Choosing a robotic mower for New Hampshire properties means understanding wire-free GPS navigation, coverage capacity, slope handling, and the real differences between residential and commercial-grade equipment. Segway’s Navimow lineup eliminates boundary wire installation while delivering centimeter-accurate GPS navigation across four distinct series: the compact i Series, the mid-range H Series, the residential flagship X Series, and the commercial Terranox models.
At Seacoast Power Equipment in North Hampton, our factory-trained sales team has served the seacoast since 1965, helping property owners throughout Portsmouth, Hampton, Exeter, and surrounding communities select equipment that matches their terrain and maintenance requirements. We carry the complete Navimow robotics lineup and offer try-before-you-buy testing on your actual property. That kind of hands-on support is something you will not find through online retailers or big box stores.
This comparison examines all four Navimow series organized by property size: the i and H Series for properties under one acre and the X Series and Terranox for properties ranging from one to three acres and beyond. We will break down coverage capacity, slope capability, navigation technology, and total cost of ownership based on our experience installing and servicing these units throughout the seacoast region.
Understanding Wire-Free GPS Navigation Technology
All Navimow models eliminate the perimeter wire requirement that traditional robotic mowers demand. Instead of spending 4-8 hours trenching or surface-staking boundary wire around your property, the Navimow setup involves walking the property perimeter while the base station records GPS coordinates through the Navimow app. For most residential properties, this takes 20-40 minutes, including time to mark exclusion zones around garden beds, trees, and obstacles.
The EFLS (Exact Fusion Locating System) combines GPS satellite positioning with onboard sensors and vision systems to achieve navigation accuracy within one to two centimeters. The system requires cellular connectivity for Network RTK (Real-Time Kinematic) GPS correction data. Properties in areas with weak cellular coverage (some inland rural areas in Strafford County and western Rockingham County) should verify signal strength before purchasing.
This wire-free advantage particularly benefits New England properties with three characteristics common throughout the region. First, properties with established mature landscaping where trenching risks damaging root systems or underground utilities. Second, properties where seasonal landscaping changes occur regularly: expanding gardens, adding raised beds, adjusting ornamental plantings. Third, properties where underground irrigation, electric, or septic infrastructure makes trenching impractical.
Section 1: Under One Acre Properties (i Series and H Series)
For properties with lawn areas under one acre, the Navimow i Series and H Series provide wire-free robotic mowing without the cost and capacity of larger models designed for extensive estates. Understanding which series matches your specific property characteristics ensures optimal performance and value.
Navimow i Series: Compact Properties Up to 0.25 Acres
The Navimow i Series targets compact residential properties, courtyard lots, and smaller suburban yards where the total lawn area stays under one-quarter acre. Multiple models within the series handle different acreage maximums: the i105 covers up to 0.125 acres (approximately 5,445 square feet), while the i110 extends to 0.25 acres (10,890 square feet). The newer i2 AWD series includes the i206 AWD (0.15 acres) and i210 AWD (0.25 acres) with enhanced all-wheel-drive traction.
Coverage and Terrain Capability: The i Series handles slopes up to 24 degrees (45% grade) on standard models, with the i210 AWD model extending to 29 degrees through its all-wheel-drive system. This slope capability accommodates most suburban drainage grading and moderate berms common throughout seacoast properties. The 7.1-inch cutting width provides adequate coverage for compact properties, though it requires more passes than wider decks on larger models.
Navigation Technology: The i Series uses EFLS 2.0, combining Network RTK GPS positioning with Visual SLAM (Simultaneous Localization and Mapping) for accurate navigation even under tree canopy, where satellite signals weaken. The VisionFence sensor detects obstacles, including pets, furniture, and outdoor equipment, enabling safe autonomous operation. The 140-degree fish-eye camera with AI algorithms distinguishes grass from obstacles across over 150 object types.
Operating Specifications: Noise output measures 58 decibels (quieter than normal conversation), permitting early-morning or evening operation without disturbing neighbors. Cutting height adjusts manually from 2.0 to 3.6 inches. The units operate on rechargeable lithium-ion batteries with runtime varying by model, typically 60-90 minutes per charge for the smaller models and up to 120 minutes for the i210 models.
Best Applications: The i Series works well for newer suburban developments with relatively flat lots, townhome properties with small yard areas, and urban properties where total lawn area, excluding building footprint and landscaping beds, falls below one-quarter of an acre. Properties in Hampton, Seabrook, and North Hampton with simple rectangular layouts and minimal mature trees match this series’ capabilities.
The i Series becomes less suitable for properties with complex layouts requiring navigation between multiple separated lawn zones, properties with extensive mature tree coverage affecting GPS signals, or properties approaching the upper acreage limits where the narrow cutting deck increases total mowing time significantly.
Navimow H Series: Mid-Size Properties from 0.12 to 0.74 Acres
The Navimow H Series bridges the gap between compact i Series models and large-property X Series equipment, targeting typical suburban residential lots where lawn areas range from one-eighth acre to three-quarters acre. Four models span this range: H500 (500 square meters or 0.12 acres), H800 (800 square meters or 0.2 acres), H1500 (1,500 square meters or 0.37 acres), and H3000 (3,000 square meters or 0.74 acres).
Coverage and Terrain Capability: All H Series models handle slopes up to 24 degrees (45% grade), matching the standard i Series slope capability. The 8.3-inch cutting width provides improved efficiency over the i Series while remaining compact enough for properties with narrow passages between lawn zones. Battery capacity scales with each model: the H500 provides 180 minutes of runtime, while the H3000 extends to 300 minutes, supporting the larger coverage areas.
Navigation Technology: The H Series combines RTK (Real-Time Kinematic) technology with vision-based positioning to achieve pinpoint accuracy without a physical perimeter wire. The VisionFence sensor provides obstacle detection for both stationary and moving objects, quickly responding and navigating around potential obstacles. The systematic mowing pattern (rather than random navigation) ensures even, efficient coverage with visible mowing lines.
Operating Specifications: The H Series operates at 54 decibels, making it one of the quietest robotic mowers available. It is quieter than most electric toothbrushes. This ultra-low noise permits nighttime operation in noise-sensitive neighborhoods. Cutting height adjusts from 1.2 to 2.4 inches. The IP66 waterproof rating protects against rain and wet grass during the mowing season, though winter indoor storage remains necessary for New England’s freezing temperatures.
Smart Features: The H Series includes 4G cellular connectivity on H800, H1500, and H3000 models for enhanced remote control and monitoring. The Navimow app supports scheduling, boundary adjustment, multi-zone management, and over-the-air firmware updates. App-based setup and mapping typically completes in 20-30 minutes for standard residential properties.
Best Applications: The H Series suits most suburban residential properties throughout Portsmouth, Rye, Newcastle, and inland communities where lot sizes range from 0.3 to 1.0 acres but where actual lawn area (excluding building footprint, driveways, patios, and landscaping beds) falls between 0.2 and 0.7 acres. Properties with established landscaping, multiple lawn zones, and moderate terrain complexity benefit from the H Series’ balance of capacity and manageability.
The H1500 and H3000 models particularly suit properties where homeowners want capacity headroom for future landscaping expansion or where seasonal growth rates require frequent mowing during peak spring months. Commercial applications including small office complexes, townhome common areas, and managed residential properties with 0.5 to 0.7 acres of maintained lawn also match the H3000’s capabilities.
H Series Limitations: Properties with slopes exceeding 24 degrees require models with enhanced traction systems. Properties where lawn area genuinely exceeds 0.7 acres need the larger X Series for adequate coverage. Properties with very narrow passages (under 24 inches) between lawn zones may experience navigation challenges with the 8.3-inch cutting width plus unit housing dimensions.
i Series vs H Series: Decision Framework for Under-One-Acre Properties
Property owners with lawn areas under one acre face a straightforward selection process based primarily on total acreage after excluding non-lawn features. Properties with 0.15 acres or less of actual lawn use the i Series. For properties from 0.15 to 0.25 acres, choose between the larger i Series models (i110, i210) or the smallest H Series model (H500) based on terrain complexity and budget.
Properties from 0.25 to 0.74 acres use the H Series, selecting the specific model (H500, H800, H1500, H3000) based on actual measured lawn area. We recommend choosing the model whose capacity rating exceeds your measured lawn area by 15-20% to account for navigation inefficiencies around obstacles, irregular property shapes, and seasonal growth rate variations.
Both series share the 24-degree slope limitation (except the i210 AWD at 29 degrees), meaning properties with steeper sustained slopes require the X Series or Terranox regardless of total acreage. Both series require indoor winter storage in New England’s climate. Both support the try-before-you-buy program at Seacoast Power Equipment, enabling property owners to test actual performance on their terrain before purchasing.
Section 2: One to Three Acre Properties (X Series and Terranox)
Properties with lawn areas exceeding one acre require equipment designed for extended coverage, faster mowing speeds, and enhanced durability. The Navimow X Series provides residential flagship capability for properties up to 2.5 acres, while the Terranox commercial line extends to six acres with commercial-grade construction.
Navimow X Series: Residential Flagship for 0.4 to 2.5 Acres
The Navimow X Series represents Segway’s residential flagship line, launched in 2025 specifically for large suburban estates, rural properties, and light commercial applications. Four models span the range:
- X315 (0.4 acres)
- X330 (0.75 acres)
- X350 (1.5 acres)
- X390 (2.5 acres)
Universal X Series Specifications: All four models share core specifications that differentiate them from the smaller i and H Series. The 9.3-inch cutting width provides 12% more coverage per pass than the H Series and 31% more than the i Series. The six-blade cutting system with an anti-clogging disc prevents grass buildup during heavy growth periods, maintaining consistent cutting performance across varying grass densities and moisture conditions.
Enhanced Slope Capability: All X Series models handle slopes up to 27 degrees (50% grade), exceeding the i and H Series’ 24-degree maximum. This three-degree difference matters substantially on New Hampshire properties. Properties with deliberate drainage swales, raised berms for privacy screening, or natural hillside terrain frequently feature slopes between 24 and 27 degrees. The X Series Traction Control System (TCS) precisely controls wheel traction to prevent slippage during acceleration or on low-traction surfaces.
Navigation Technology: The X Series uses EFLS 3.0, the most advanced version of Segway’s positioning system. EFLS 3.0 layers three technologies: Network RTK satellite positioning, Visual SLAM for real-time 3D mapping and Visual Inertial Odometry (VIO) that tracks position through camera and motion sensor data when satellite signals temporarily drop. This triple-layer approach ensures continuous accurate positioning even in challenging environments with dense tree canopy, narrow passages, or rapid elevation changes.
The 360-degree VisionFence camera array handles obstacle detection, recognizing over 200 object types. The system distinguishes between stationary obstacles requiring permanent navigation around them and temporary obstacles like outdoor furniture or children’s toys that may not appear during future mowing cycles.
X315: Entry Point for Properties Up to 0.4 Acres
The X315 handles up to 0.4 acres with a 6-amp-hour battery providing 120 minutes of runtime per charge. A full recharge requires 60 minutes, twice as fast as the industry average. This model suits properties where measured lawn area falls at or under 0.4 acres, providing the X Series’ enhanced slope capability and cutting width without the cost of larger models.
Pricing starts at $2,299, positioning the X315 as the most accessible entry to the X Series capabilities. Properties throughout Stratham, Exeter, and Greenland with smaller lawn areas and moderate slope complexity match this model’s sweet spot.
X330: Coverage Up to 0.75 Acres
The X330 extends to 0.75 acres with an 8-amp-hour battery providing 160 minutes of runtime. Full recharge takes 65 minutes. This model suits properties with 0.5 to 0.75 acres of maintained lawn, common throughout Portsmouth, Rye, and inland rural areas. It also suits commercial landscapers managing multiple smaller properties, property management companies maintaining condominium complexes, and municipalities handling parks or facility grounds in that size range. Pricing starts at $2,799.
X350: Extended Capacity for 1.5 Acres
The X350 increases coverage to 1.5 acres with a 10-amp-hour battery providing 200 minutes (over three hours) of runtime. Full recharge requires 80 minutes. The unit also increases mowing speed from 2.6 feet per second on smaller models to 3.3 feet per second, improving efficiency on large open lawn sections.
This model targets larger suburban estates, rural properties, and commercial applications where lawn areas exceed 0.75 acres but do not justify commercial-grade equipment. Properties throughout rural Rockingham and Strafford Counties where lot sizes commonly exceed one acre match this capacity. Pricing starts at $3,499.
X390: Maximum Residential Capacity for 2.5 Acres
The X390 delivers the maximum capacity in Segway’s residential line: 2.5 acres with a 12.8-amp-hour battery providing 240 minutes (four full hours) of runtime. Full recharge takes 100 minutes. This model suits large estates, extensive rural properties, and commercial properties approaching the threshold where commercial equipment becomes necessary.
The X390’s coverage approaches the lower threshold of the Terranox commercial line, creating a decision point. Properties with exactly 2.5 acres face a choice: the residential X390 at $4,999 or the commercial Terranox with enhanced construction and fleet management capabilities. For most large residential estates, the X390 provides sufficient capacity and durability.
X Series Operating Characteristics: All X Series models operate at 60 decibels (comparable to normal conversation and significantly quieter than traditional mowers). IP66 weather protection handles rain and wet conditions during the mowing season. Smart home integration includes Amazon Alexa and Google Home voice control for starting, stopping, and schedule management.
Fast-charging capability enables the X Series to complete multiple daily mowing cycles when necessary, extending effective coverage beyond single-charge capacity. This matters particularly for properties at the upper end of each model’s range or during peak spring growth when mowing frequency increases.
X Series Best Applications: The X Series suits established suburban estates with one to two acres of maintained lawn, rural properties with mixed terrain including moderate hills and swales, light commercial properties including small business campuses and managed residential complexes, and any property where slopes between 24 and 27 degrees require the enhanced traction capability regardless of total acreage.
Terranox Commercial Line: Professional-Grade for 3 to 6 Acres
The Segway Navimow Terranox represents Segway’s commercial-grade robotic mowing platform designed for professional landscaping operations, property management companies, municipalities, and extensive estates. Two models serve properties from three to six acres: CM120M1 (up to 3 acres) and CM240M1 (up to 6 acres).
Commercial-Grade Construction: The Terranox distinguishes itself from residential X Series through enhanced durability, extended warranty coverage, and fleet management capabilities. The four-wheel all-wheel-drive system features dual independent steering motors delivering superior traction on uneven terrain and slopes up to 40 degrees (84% grade), substantially exceeding the X Series’ 27-degree maximum.
Extended Slope Capability: The 40-degree slope handling makes Terranox suitable for properties with steep hillside sections, aggressive drainage grading, or natural terrain variations common in New Hampshire’s rolling inland areas. Properties with slopes between 27 and 40 degrees must use Terranox regardless of total acreage, as no residential model safely navigates this range.
Coverage and Efficiency: The 17-inch cutting width provides 82% more coverage per pass than the X Series’ 9.3-inch deck. This wider deck dramatically reduces total mowing time on large properties. The CM120M1 covers three acres with 180 minutes of runtime, while the CM240M1 extends to six acres with 240 minutes of runtime.
Mowing Speed: Terranox operates at 2.2 miles per hour (significantly faster than residential models), enabling efficient coverage of large properties during normal business hours. The faster speed combined with a wider cutting deck means the CM120M1 completes three acres in less time than the X390 requires for 2.5 acres.
Operating Specifications: Despite its larger size and enhanced power, Terranox operates at only 68 decibels. Cutting height adjusts from 0.75 to 4 inches, accommodating both maintained turf and rougher grass areas. The extended cutting height range suits commercial properties with mixed maintenance standards where some areas receive intensive care while others maintain functional coverage only.
Navigation and Fleet Management: Terranox uses EFLS NRTK (Network Real-Time Kinematic) GPS with VisionFence AI obstacle detection and 4G cellular connectivity for remote management. The commercial platform includes fleet dashboard monitoring enabling one operator to manage multiple units across different properties, remote task assignment for scheduling and zone management, and centralized map editing suitable for operations managing numerous locations simultaneously.
This fleet capability makes Terranox appropriate for professional landscaping companies maintaining contracts at multiple sites, property management firms handling geographically distributed properties, municipalities managing parks and facility grounds across town boundaries, and large institutions with multiple disconnected lawn areas requiring coordinated maintenance. Our commercial fleet program provides 15-25% discounts and priority service scheduling for qualified operators.
Terranox Best Applications: The CM120M1 suits sports fields, municipal properties, corporate campuses, and professional landscaping operations managing areas up to three acres. The CM240M1 extends to golf course roughs, large corporate parks, institutional grounds, and extensive estates where acreage exceeds residential equipment capabilities.
X Series vs Terranox: Decision Framework for One-to-Three-Acre Properties
Property owners and commercial operators with lawn areas between one and three acres face a clear decision framework based on property characteristics and operational requirements.
Acreage-Based Selection: Properties from 0.75 to 2.5 acres with slopes under 27 degrees use the X Series, selecting the specific model (X330, X350, X390) based on measured lawn area. Properties from 2.5 to 3.0 acres: choose between the residential X390 and commercial Terranox CM120M1 based on slope requirements and whether commercial-grade construction justifies the additional investment. Properties from 3.0 to 6.0 acres require the Terranox line.
Slope-Based Override: Properties with any sustained slopes exceeding 27 degrees must use Terranox regardless of total acreage. A property with 1.5 acres of flat lawn but a 30-degree slope connecting two elevations requires the Terranox CM120M1, not the X350, because safe navigation of the slope determines equipment capability.
Commercial vs. Residential Use: Residential property owners whose acreage falls within X Series capabilities generally find better value with residential models unless specific terrain challenges (steep slopes, extremely uneven ground) justify commercial equipment. Commercial operators (professional landscapers, property management companies, and municipalities) benefit from Terranox’s fleet management capabilities and enhanced durability even when managing properties under 2.5 acres.
Maintenance and Service Requirements for New England Climate
All Navimow models require maintenance appropriate to New England’s seasonal climate and operating conditions. Understanding these requirements helps property owners evaluate the total cost of ownership beyond the initial purchase price.
Blade Replacement: The primary recurring maintenance item involves blade replacement every 3-6 months during the mowing season. Sandy coastal soils accelerate blade wear compared to loamy inland soils. The i and H Series use three-blade systems, while the X Series uses six-blade systems. Terranox commercial models use heavy-duty blade assemblies designed for extended life under commercial operating conditions. Replacement blade sets typically cost $30-50 for residential models and $60-80 for commercial units.
Battery Replacement: Lithium-ion batteries require replacement every 3-5 years depending on charging cycles and storage practices. Robotic mowers operating daily from April through October accumulate significant cycle counts. Battery replacement costs range from $300-600 for residential models and $600-900 for commercial Terranox units, including professional installation.
Winter Storage Requirements: New Hampshire’s climate requires indoor storage from November through April. The IP66 weather rating protects against rain and wet grass but does not accommodate freezing temperatures, snow coverage, or ground frost. Proper winter storage involves removing the battery, cleaning the cutting deck and undercarriage thoroughly, inspecting and replacing worn components, and storing the unit in a garage, shed, or basement where temperatures stay above freezing. Battery storage requires maintaining a 40-60% charge level in temperature-controlled conditions.
Seasonal Preparation: Spring startup should occur in late March or early April before grass growth exceeds 4-5 inches. Properties where grass grows to 8-10 inches during spring require initial mowing with traditional equipment before deploying robotic mowers. Fall preparation includes final cleaning, blade inspection, and proper battery storage procedures.
Our service department at Seacoast Power Equipment handles all Navimow maintenance and repairs for units purchased through our dealership. We stock replacement blades, batteries, and common wear parts for same-day or next-day service during the mowing season. Units requiring extensive repairs typically see a 24-48 hour turnaround, with pickup and delivery available throughout the Seacoast region.
Installation and Setup Process
The wire-free GPS navigation system simplifies installation compared to traditional boundary-wire systems but still requires proper planning for optimal performance.
Charging Station Placement: Select a location with level ground, strong cellular signal coverage, access to electrical power, and proximity to the primary lawn area. The charging station should sit on firm, stable ground (not soft soil where settling might occur). Position the station to minimize the mower’s travel distance to the farthest lawn sections.
GPS Boundary Mapping: Walk the property perimeter while holding the GPS antenna and recording coordinates through the Navimow app. For most residential properties, this takes 20-40 minutes, including time to mark exclusion zones around garden beds, trees, and permanent obstacles. The system stores boundaries digitally with no physical infrastructure required.
Zone Configuration: Properties with multiple separated lawn areas require zone mapping for each section. The app supports multi-zone management, enabling the mower to navigate between zones automatically. Complex properties with numerous zones may require additional mapping time during setup.
Test Cycles: Run initial test cycles to verify boundary accuracy, confirm obstacle detection performance, and adjust mowing patterns for optimal efficiency. Most properties complete setup and initial testing within 90 minutes.
Seacoast Power Equipment provides complete installation support for all Navimow purchases. Our factory-trained technicians handle charging station placement, GPS boundary mapping, zone configuration, and initial testing. We include setup training showing property owners how to adjust boundaries, modify schedules, and perform basic maintenance.
Try Before You Buy: Testing on Your Property
Seacoast Power Equipment offers try-before-you-buy testing for all Navimow models. Property owners can test a unit on their actual property before purchasing, revealing how the equipment handles specific grass types, terrain variations, and property layouts. It is a structural advantage you will not find through online retailers or big box stores.
Testing benefits property owners unsure whether their terrain, landscaping complexity, or property layout suits robotic mowing. Real-world testing reveals GPS navigation accuracy on your boundaries, obstacle detection performance around your specific landscaping features, and how well the unit navigates irregular lawn shapes, mature tree root systems, or drainage features.
Most property owners complete testing within 7-10 days during the active growing season. This timeline allows the unit to complete several full mowing cycles under varying conditions: dry grass, wet grass, and actively growing grass. Property owners see exactly how the unit performs in real conditions rather than making decisions based solely on manufacturer specifications.
For property owners considering multiple models (typically choosing between H3000 and X315 for properties near the 0.4 to 0.5 acre range, or between X390 and Terranox CM120M1 for properties near 2.5 acres), we arrange sequential testing of both units. Direct comparison on your property provides clarity that showroom demonstrations cannot match.
Commercial and Fleet Applications
Professional landscapers and property management companies throughout the seacoast region have begun incorporating robotic mowers into service offerings for specific property types. Understanding commercial applications helps both operators evaluating fleet purchases and property managers considering autonomous mowing for managed properties.
Cost-Per-Acre Analysis: Commercial operators evaluate robotic mowers based on labor cost displacement and service consistency rather than convenience factors that drive residential purchases. A robotic mower operating autonomously reduces weekly labor hours by 3-5 hours per property compared to traditional walk-behind or ride-on mowing, translating to meaningful labor cost savings over a season.
Fleet Program Benefits: Seacoast Power Equipment offers fleet program benefits for commercial operators purchasing multiple units. Fleet discounts range from 15 to 25% depending on volume and service program commitment. Commercial buyers also gain priority service scheduling, extended payment terms for qualified accounts, loaner equipment availability during service periods, and dedicated commercial support from our sales team.
Service Consistency: Robotic mowers maintain consistent cutting height and coverage patterns regardless of operator fatigue, experience level, or time pressure. This consistency matters particularly for property management companies serving multiple similar properties where residents compare lawn quality across the community.
Competitive Positioning: Commercial landscapers incorporating robotic mowing into service packages differentiate themselves from competitors offering traditional mowing only. The technology appeals particularly to environmentally conscious commercial clients, properties with noise restrictions limiting traditional mowing hours, and facilities requiring daily maintenance during peak growing season.
Property Size and Model Selection Summary
Under 0.25 Acres: Navimow i Series (i105, i110, i206 AWD, and i210 AWD) provides compact, affordable wire-free mowing for small residential lots, courtyard properties, and urban yards. Best for simple layouts with minimal obstacles and slopes under 24 degrees (29 degrees for i210 AWD).
0.25 to 0.74 Acres: Navimow H Series (H500, H800, H1500, H3000) suits typical suburban residential properties throughout the seacoast region. Select a specific model based on the measured lawn area. Handles moderate terrain complexity and slopes up to 24 degrees. Provides excellent value for properties in this size range.
0.4 to 2.5 Acres: Navimow X Series (X315, X330, X350, and X390) delivers residential flagship capability for large suburban estates, rural properties, and light commercial applications. The X315 covers up to 0.4 acres and the X330 up to 0.75 acres, with the X350 handling 1.5 acres and the X390 reaching 2.5 acres. Enhanced slope capability (27 degrees), wider cutting deck (9.3 inches), and advanced EFLS 3.0 navigation distinguish the X Series from smaller models.
2.5 to 6.0 Acres: Terranox Commercial Line (CM120M1, CM240M1) provides professional-grade construction, extended slope capability (40 degrees), the widest cutting deck (17 inches), and fleet management capabilities. Required for properties exceeding 2.5 acres or any property with slopes between 27 and 40 degrees regardless of total acreage.
Frequently Asked Questions About Navimow Robotic Mowers
Does Seacoast Power Equipment service all Navimow models?
Yes. Our factory-trained technicians service all Navimow i Series, H Series, X Series, and Terranox models sold through our dealership. We stock replacement parts including blades, batteries, and common wear items for same-day or next-day service during the mowing season. Learn more about our service department.
Can I test a Navimow on my property before buying?
Absolutely. We offer try-before-you-buy testing for all Navimow models. Property owners typically test units for 7-10 days during the growing season, allowing multiple full mowing cycles under varying conditions. This reveals how the equipment handles your specific terrain, grass type, and property layout. Contact us to schedule testing.
What slope angle can each Navimow series handle?
The i and H Series handle slopes up to 24 degrees (45% grade), with the i210 AWD extending to 29 degrees. The X Series handles slopes up to 27 degrees (50% grade). The Terranox commercial line handles slopes up to 40 degrees (84% grade). Properties with slopes exceeding these limits require the next series up regardless of total acreage.
Do Navimow mowers require boundary wire installation?
No. All Navimow models use wire-free GPS navigation through the EFLS (Exact Fusion Locating System). Setup involves walking your property perimeter while the base station records GPS coordinates through the Navimow app. Most residential properties complete boundary mapping in 20-40 minutes, compared to 4-8 hours for traditional boundary wire installation.
How does New Hampshire’s winter affect robotic mowers?
All Navimow models require indoor storage from November through April. The IP66 weather rating protects against rain and wet grass but not freezing temperatures, snow, or ground frost. Proper winter storage involves removing the battery, cleaning the unit thoroughly, and storing in a garage, shed, or basement where temperatures stay above freezing. We offer seasonal maintenance services, including storage preparation.
What is the difference between residential X Series and commercial Terranox?
The Terranox features commercial-grade construction with four-wheel all-wheel drive, extended slope capability (40 degrees vs. 27 degrees), a wider cutting deck (17 inches vs. 9.3 inches), faster mowing speed, and fleet management capabilities for multi-property operations. Residential X Series suits individual estates up to 2.5 acres, while Terranox targets professional landscapers, property management companies, and properties from 3 to 6 acres.
Local Service and Parts Availability
Purchasing robotic mowing equipment from a local dealer rather than online retailers provides three significant advantages during the ownership lifecycle.
First, our factory-trained technicians service all Navimow models sold through Seacoast Power Equipment. When service issues arise (GPS connection problems, blade wear concerns, battery performance questions, or software updates) property owners work with technicians familiar with their specific unit and property rather than remote customer service representatives without local context.
Second, we stock replacement parts including blades, batteries, charging stations, and common wear items. Properties experiencing blade damage from hidden debris or needing emergency blade replacement during peak growing season get same-day or next-day parts availability rather than waiting for online shipments from distant warehouses. Our $150,000+ parts inventory ensures components are available when you need them.
Third, our service includes pickup and delivery throughout the seacoast region, southern Maine, and northern Massachusetts. Property owners who prefer not to transport their robotic mower for service or who lack appropriate vehicles for transport can schedule pickup for routine maintenance, winter storage, or repair service.
These service advantages matter most during the first season of ownership when property owners are learning the unit’s behavior and optimizing performance for their specific property. Having local support during this learning period significantly improves the ownership experience compared to troubleshooting through remote support channels or online forums.
Final Recommendations and Next Steps
Segway’s Navimow lineup provides wire-free robotic mowing for properties from 0.125 acres through six acres, with models spanning residential compact (i Series), residential mid-range (H Series), residential flagship (X Series), and commercial-grade (Terranox) categories. Model selection depends primarily on measured lawn area and maximum sustained slope, with secondary considerations including terrain complexity, obstacle density, and commercial vs. residential use.
Property owners with flat to moderate terrain (under 24 degrees) should select based purely on acreage: i Series for under 0.25 acres, H Series for 0.25-0.74 acres, X Series for 0.4-2.5 acres, and Terranox for 2.5-6.0 acres. Property owners with slopes exceeding 24 degrees must use X Series (for slopes 24-27 degrees) or Terranox (for slopes 27-40 degrees) regardless of total acreage.
We recommend visiting our North Hampton showroom to see all models and discuss your specific property characteristics with our sales team. Our factory-trained specialists can review property photos, discuss terrain challenges, and recommend the optimal model based on 100+ years of collective experience serving the seacoast region since 1965.
We also recommend scheduling try-before-you-buy testing to verify performance on your property before purchase. This testing reveals how the equipment handles your specific grass type, terrain variations, and property layout. That is information showroom demonstrations and online reviews cannot provide.
For property owners ready to move forward, we provide complete installation support, including charging station placement, GPS boundary mapping, zone configuration, and initial setup training. Our service department handles all maintenance and repairs with pickup and delivery available throughout New Hampshire’s seacoast, southern Maine, and northern Massachusetts.
Contact Seacoast Power Equipment at (603) 964-8384 or visit our showroom at 106 Lafayette Road, Unit #1, North Hampton, NH 03862, to schedule a consultation or property evaluation. We have been equipping and maintaining the seacoast since 1965, and we bring that same commitment to every robotic mower installation and service call we handle.