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X3 Helix 12V rooftop air conditioner; PWM efficiency, Helix remote control, stainless hardware, and a flush powder-coated interior plate. Fits 14×14 roof openings and ships from Elkhart, IN with US-based support. Available in 12V and 48V, black or white.
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Key Highlights
- Efficient PWM compressor holds target temperature.
- Helix control on phone, tablet & watch—remote access, scenes & schedules.
- Stainless hardware resists corrosion coast to coast.
- Flush, powder-coated interior plate—clean look, no bulky plastic.
- High Humidity mode clears moisture in van/RV cabins.
- Sealed back plate + automotive-grade, water-resistant connectors protect electronics.
- RV-C integration (optional Helix AC Controller): publishes AC status and accepts commands on multiplex coach networks.
- US-based tech support — Elkhart, Indiana.
What's Included
- X3 Helix rooftop unit — Black or White
- Foam gasket for standard 14×14 roof opening
- Crossbars (foam-wrapped) with mounting hardware
- Flush-mount metal interior faceplate (in protective foam pouch)
- Faceplate screws (black)
- M8 mounting bolts
- M8 mounting nuts
- M8 flat washers
- M8 lock washers
- Remote control
- Leveling strip
- Foam air separator
- Air separator screw
- Control panel & wire harness (boxed/bagged)
- Full-size 14×14 cutout template (1:1 scale)
Shipping & Warranty
- Shipping — AC unit: X3 Helix ships via LTL freight (curbside). Ships from Elkhart, Indiana.
- Shipping — Helix add-ons: Pulse, Eye, and other accessories ship parcel (UPS/USPS) with selectable methods at checkout and may arrive separately.
- Rates: Standard shipping rate shown at checkout.
- Freight tip: Inspect the shipment upon delivery and note any visible damage with the carrier before signing.
- Warranty: 1-year limited warranty with US-based tech support.
- Policies: See our detailed Shipping, Returns & Order Policy.

X3 Helix 12V/48V Rooftop RV Air Conditioner — Helix-Ready, PWM Smooth Cooling
Meet The Helix Ecosystem
Helix brings your rig together—remote climate control for the X3 Helix 12V rooftop air conditioner, visual check-ins, and proactive alerts, all from your phone, tablet, or watch. Scenes and schedules keep comfort steady while you’re off grid.
X3 Helix
Details, Specs & Downloads
Start Here
X3 Helix is the next step in our X-Series—built for people done with heat soak, sticky humidity, and “apps” that stop at Bluetooth range. An efficient PWM compressor modulates instead of hard cycling, so your 12V rooftop air conditioner (or 48V) holds target temperature with less battery stress. Helix adds scenes, schedules, and true remote access on phone, tablet, and watch—pre-cool before you return, keep pets safe while you’re out, and see live status anywhere.
- Steady comfort: smooth modulation, less overshoot.
- Real remote control: set and adjust from anywhere (not range-bound).
- Cleaner interior: flush powder-coated metal faceplate (no bulky plastic box).
- Humidity handled: High Humidity mode for van/RV cabins.
- Built for miles: corrosion-resistant stainless hardware (our long-standing standard).
- US-based support: Elkhart, Indiana—level-one techs and engineers.
- Options: 12V or 48V, Black or White.
- Coach integration: RV-C ready via the optional Helix AC Controller for multiplex coach panels.
Bottom line: if you’ve outgrown on/off cycling and short-range apps, X3 Helix delivers steady comfort, real control, and road-ready construction.
What is the X3 Helix?
X3 Helix is our next-generation DC rooftop platform in the X-Series lineage—engineered for battery-friendly, steady cooling and built to solve real road issues: heat soak, coastal humidity, and control that stops at the door. It pairs precise PWM compressor control with the Helix platform for scenes, schedules, and true remote access on phone, tablet, and watch.
For builders and multiplex coaches, X3 Helix can publish status and accept commands on RV-C when paired with the optional Helix AC Controller, giving you unified, coach-wide climate control.
What’s new in X3 Helix
- Improved control logic: purpose-built algorithms that fully leverage PWM—smooth ramps, minimal overshoot, steady hold at lower compressor RPMs.
- Helix ecosystem integration: native scenes/schedules and remote access across phone, tablet, and watch (beyond Bluetooth range).
- Sealed back plate: shields control electronics from dust and debris for added durability.
- Redesigned internal plenum / air separator: cleaner airflow paths and more consistent cabin performance.
- Automotive-grade, water-resistant connectors: robust, service-minded connections—no messy sealants.
- R1234yf refrigerant: low-GWP, A2L (low-flammability) class with conservative charge limits—meets modern safety standards and avoids the high-flammability hydrocarbons used in some budget systems.
Built on proven X-Series fundamentals
- PWM compressor control (X-Series core): precise modulation that maintains comfort with less battery stress.
- Stainless hardware: our long-standing standard for coast-to-coast corrosion resistance.
- Flush, powder-coated metal interior plate: premium look without a bulky plastic bezel intruding into the cabin.
- Spring-bushing compressor mounts: vibration-damping support for a quieter, smoother feel.
- Low-profile interior presence: space-efficient design that preserves headroom.
- Bright, high-contrast LCD & tactile buttons: clear readout and glove-friendly control at the unit.
- Fit & install: industry-standard 14×14 opening with a familiar X-Series install flow.
- Premium crossbars & logical fuse access: secure mounting and sensible service points.
Supported by a US-based team in Elkhart, Indiana. Hardware by Nomadic Cooling, control by Nomadic Controls (Helix)—all under Nomadic Innovations. Whether you search for Nomadic Cooling AC or Nomadic Innovations AC, you’re in the right place—and the same ecosystem.
Why X3 Helix?
Because it solves the problems that actually matter: unstable temps, short-range control, sticky air, and gear that ages fast. X3 Helix combines PWM-driven stability with true remote access and road-tough construction, so comfort is predictable and control is always in reach.
Comfort you can set and forget
- Holds the set point: improved control logic + PWM smooth the ramps and reduce overshoot.
- Night-friendly quiet: PWM maintains temp at lower compressor RPMs; create a “Quiet Night” scene in Helix.
- Moisture control: High Humidity mode clears the cabin fast after showers or in coastal weather.
Control that works wherever you are
- Scenes & schedules: set routines that match how you travel.
- Remote access: adjust and monitor from phone, tablet, or watch—pre-cool before you arrive; check in on pets from the trail.
- Coach integration: multiplex-friendly RV-C control via the optional Helix AC Controller.
Built for the miles ahead
- Road-ready construction: flush metal interior plate, corrosion-resistant hardware, protected electronics.
- Service-minded: automotive-grade, water-resistant connectors and sensible access points.
- Aligned with modern standards: R1234yf with thoughtful charge limits and components chosen for long-term support.
Fit, finish, and support
- Standard 14×14 opening: install flow familiar to X-Series owners and builders.
- Variants: 12V or 48V; Black or White.
- US-based help: real support from Elkhart, Indiana.
Choose X3 Helix if you want steady comfort, remote climate control that actually reaches you, and components chosen for longevity—not a bargain-bin quick-sale unit you’ll be replacing next season.
What You’ll Notice on Day One
Specs matter—but comfort is what you feel. Here’s what owners report the first time they run X3 Helix.
- No temperature roller-coaster: improved control logic and PWM modulation glide to your set point and hold it.
- Pre-cool actually works: scenes/schedules in Helix let you return to a rig that’s already comfortable.
- Night-friendly quiet: PWM holds temp at lower compressor RPMs for a softer sound profile; set a “Quiet Night” scene in Helix to minimize fan and compressor activity while you sleep.
- Cabin looks cleaner: the flush, powder-coated metal plate replaces the bulky plastic box.
- Sticky air fades fast: High Humidity mode pulls moisture quickly after showers or coastal drives.
- Fewer “is it okay?” worries: check status on phone, tablet, or watch; add Helix Eye for a visual glance at pets and temps.
- Built to live outside: stainless hardware, sealed back plate, and automotive-grade water-resistant connectors inspire confidence.
Result: steadier comfort, quieter nights, simpler routines, and control that follows you—without standing next to the unit.
Specs
Until verification is complete, the figures below are provisional estimates derived from our X-Series comparison data; final certified numbers will be posted after testing.
Model & Fit
- Model: X3 Helix
- Voltages: 12V DC or 48V DC
- Type: DC rooftop air conditioner
- Roof opening: industry-standard 14×14 in
- Finishes: Black or White
Estimated Performance (averages across 70–100+°F)
Why these numbers matter: We publish averages across 70–100+°F, not a single “best-case” spike. That makes comparisons fair and closer to real use. Final certified figures will replace these estimates after verification.
- Full AC — 12V: ~12,893 BTU/hr • COP ~2.9 • ~1,297.2 W • ~88.6 A
- Full AC — 48V: ~11,671 BTU/hr • COP ~2.47 • ~1,386 W • ~25.21 A
- ECO — 12V: ~10,503 BTU/hr • COP ~3.4 • ~899.4 W • ~61.2 A
- ECO — 48V: ~5,216 BTU/hr • COP ~2.92 • ~523 W • ~10.26 A
Components & Control
- Compressor control: PWM modulation with improved control logic (smooth ramps, minimal overshoot, steady hold)
- Humidity mode: High Humidity (fast moisture pull-down)
- Refrigerant: R1234yf (low-GWP, A2L) — final charge posted after verification
- RV-C integration: supported via the optional Helix AC Controller — publishes AC status and accepts basic commands for multiplex/coach UIs; designed for standard RV-C networks (proper bus termination and wiring)
- Ecosystem control: Helix scenes, schedules, and remote access on phone, tablet, and watch
- Electronics protection: sealed back plate; automotive-grade, water-resistant connectors
- Interior plate: flush, powder-coated metal (no bulky plastic intruding into the cabin)
- Hardware: stainless fasteners & mounts
Dimensions & Weight
- Overall length: 31.5 in
- Overall width: 30.9 in
- Overall height (above roof): 7.36 in
- Roof opening (cutout): 14 × 14 in (industry standard)
- Weight: 57.3 lb
Provisional results reflect averaged bins in the X-Series comparison and are useful for planning; final certified performance will be posted following testing.
Install, Fit & Downloads
X3 Helix fits the industry-standard 14×14 in opening and follows a familiar X-Series install flow. Use the guides below (digital versions will be posted as they’re released).
Fit & options
- Roof opening: industry-standard 14×14 in
- Interior presence: low-profile, flush powder-coated metal faceplate
- Voltage options: 12V DC or 48V DC
- Finish options: Black or White
What's included for install
- Foam gasket (14×14), crossbars + mounting hardware
- Flush-mount metal interior faceplate + screws
- Leveling strip; redesigned foam air separator + screw
- Control panel & wire harness (boxed/bagged)
- Full-size 14×14 cutout template (1:1 scale)
Basic install sequence
- Prep & dry-fit: confirm/cut 14×14; verify clearance with the included 1:1 template.
- Gasket & placement: seat gasket, position unit, confirm level.
- Secure: install crossbars and hardware; tighten evenly in a criss-cross pattern.
- Interior assembly: install air separator and faceplate.
- Electrical: connect DC (12V/48V), route harness, verify fuse access.
- Commission: power on, verify airflow and temperature hold.
Downloads
- X3 Helix Install Guide (PDF) — 14×14 opening, gasket/crossbars, wiring, commissioning. (coming soon)
- X3 Helix Troubleshooting Guide (PDF) — startup checks, airflow verification, control logic basics, error states. (coming soon)
- Wiring Diagram — 12V (PDF) & 48V (PDF) — fuse sizing, isolation notes, harness routing. (coming soon)
- Cutout Template 14×14 (PDF) — full-scale 1:1 (printed in box). (digital copy coming soon)
- Control Panel Pinout (PDF) — connector map, fuse locations. (coming soon)
- Helix AC Controller — RV-C Quickstart & Message Map (PDF) (coming soon)
- Shipping, Returns & Order Policy
Pro tips
- Dry-fit before sealing; plan wire routing.
- Evenly compress the gasket; don’t over-torque.
- Install the redesigned plenum/air separator as directed for best airflow.
- Set a “Quiet Night” scene in Helix for low-RPM hold while sleeping.
Value & Pricing
X3 Helix is priced for long-term ownership, not disposability. Here’s what you’re paying for—and why it matters on the road:
- Stable comfort: PWM modulation with improved control logic reduces overshoot and battery stress.
- True remote control: Helix scenes, schedules, and access from phone, tablet, and watch—beyond Bluetooth range.
- Road-tough build: flush metal interior plate, corrosion-resistant hardware, sealed back plate, and automotive-grade, water-resistant connectors.
- Airflow & moisture: redesigned internal plenum/air separator and High Humidity mode for real-world cabins.
- Future-ready: R1234yf (low-GWP A2L) aligned with modern standards and service considerations.
- Support you can reach: US-based tech team in Elkhart, Indiana.
Total cost of ownership: steadier comfort, fewer service headaches, and a platform designed to be maintained—not tossed.
**Builder-grade option: RV-C integration (via the optional Helix AC Controller) reduces wall clutter and unifies coach UX on multiplex panels.**
Helix Ecosystem
The Helix Era has arrived
One app. Builder-grade hardware. Helix ties climate, camera, sensors, tank levels, lighting and awning control into scenes and schedules so your rig stays comfortable, informed and ready, even off-grid. Set day, night and away routines to pre-cool, hold a quiet low-RPM night, switch lights on and off, extend or retract the awning with weather-aware rules, and alert on leaks or temperature spikes. You arrive to perfect; Helix handled the rest.
Why Nomadic Cooling
Real support, fast fulfillment, and gear built to survive real miles.
US-Based Tech Support
Elkhart, Indiana. Level-one techs and engineers who know off-grid builds. Real answers, not scripts.
Fast, Builder-Grade Fulfillment
Ships from the RV capital. In-stock units move quickly; parts and docs are easy to access.
Designed for the Miles
Built to be maintained. Stainless hardware, protected electronics, and service-minded details.
Does X3 Helix Beat the Alternatives

Steady Temps
Holds the set point: without the roller-coaster
X3 Helix uses efficient PWM modulation with improved control logic to glide to temperature and hold it with less battery stress. Many budget units hard-cycle on/off, overshoot, and feel noisy even when the numbers look similar.

Beyond Bluetooth
Control that follows you, not the other way around
Set scenes and schedules and adjust climate from phone, tablet, or watch—pre-cool before you arrive and check on pets from anywhere. Bluetooth-only systems stop at the door; Helix gives true remote access.

RV-C Integration
Native coach-network control
X3 Helix speaks RV-C—the open standard for RV multiplex networks—so climate ties cleanly into your coach’s existing system. Set points, status, and diagnostics live on the same bus as lighting, tanks, and power, enabling centralized control and easier service. Keep full Helix app control and add RV-C interoperability for builders, upfitters, and future upgrades.

Flush Interior
Clean cabin look; no bulky plastic box
The powder-coated metal faceplate sits low and flush, preserving headroom and elevating the interior. Many alternatives protrude inches into the cabin with plastic bezels that look and feel cheap.

Sealed Electronics
Protected where it matters, service-minded by design
A sealed back plate shields control electronics from dust and debris, and automotive-grade, water-resistant connectors beat messy sealants. Logical access points and clean harness routing make maintenance straightforward on the road.

Beat Humidity
Sticky air? Handled
High Humidity mode increases moisture removal after showers or coastal drives so the cabin feels crisp, not damp. Most systems treat humidity as an afterthought

Built to Last
Stainless hardware that resists salt and seasons
Hardware & fasteners are stainless by design to handle coastal air and winter roads. That keeps mounts solid and finishes clean after miles, where budget hardware can rust and loosen.

US Support
Real help, from Elkhart, Indiana
Talk to level-one techs and engineers who know off-grid builds and the X-Series install flow. When you’re on the road, you need answers—not scripts, emails, or unit replacements by default.

Future-Ready
Modern refrigerant, chosen for longevity
With R1234yf, X3 Helix pairs low global warming potential with low-flammability classification and prudent charge sizing—avoiding the hydrocarbon shortcuts found in many budget units. A smarter path as regulations tighten.
FAQs
How is the X3 Helix different from the X3 Plus and X2?
X3 Helix keeps the proven X-Series form factor but adds improved control logic, Helix ecosystem compatibility (scenes/schedules/remote), a sealed back plate, slightly redesigned internal plenum/air separator, automotive-grade water-resistant connectors, and R1234yf refrigerant.
Will it fit my build and what does installation involve?
It fits the industry-standard 14×14 roof opening and follows a familiar X-Series installation process (cut, drop in, secure, wire, and connect); choose from 12V or 48V in Black or White. Detailed guides and wiring diagrams are in the Downloads section.
How quiet and stable is the X3 Helix at night?
The efficient PWM compressor with improved logic glides to temp and holds it with less battery stress, and a “Quiet Night” scene in Helix maintains comfort at lower RPMs for a calmer sound profile. You can also dim or turn off the control-panel backlight at night to keep the cabin dark while it runs.
How do I maximize runtime off-grid (battery life and comfort)?
Pre-cool the cabin, use reflective window covers and shade (awning), keep airflow paths clear, and set a realistic target temp. In Helix, create a “Quiet Night” scene to hold comfort at lower compressor RPMs and use High Humidity mode after showers or coastal drives.
What maintenance and support should I expect over time?
X3 Helix is service-minded: protected electronics, clean harness routing, and sensible access. Periodically inspect gasket compression and connections; consult the Install/Troubleshooting guides. If you need help, our US-based team in Elkhart, Indiana, supports you, and warranty coverage is 1 year.
Does X3 Helix support RV-C / multiplex control?
Yes. X3 Helix includes an RV-C (SAE J1939-based) interface. Today, it integrates through the Helix hub for scenes, schedules, and true remote access. Direct third-party multiplex integrations (e.g., coach control systems) are on our roadmap; updates will be posted on the Helix page. The AC still works standalone from its local controls if you don’t add a hub.
What people
are saying
Michael GustafsonI am writing to express my sincere appreciation for the great customer service we consistently receive from Nomadic Innovations.
Prime MoverI had a small issue when installing my AC. I contacted support and had prompt response within 24 hours. Ongoing email support from Eric B. was awesome as well and my issue was resolved successfully. Great company and great products.
Michael WilliamsHe spent well over an hour on the phone with us and again the next day. He followed up and was immediately responsive to calls and emails. Overall 5-star tech support!
Lee WaldmanAs a dealer for Nomadic Cooling’s air conditioning units and awnings, I’ve always appreciated the quality of their products—but this experience reinforced just how good their customer service is.
Rebecca RathbunI’m not really knowledgeable about this type of stuff and he was patient and answered all my questions. In the past I’ve dealt with the owner too who was amazing when I stopped at their new facility for a visit last summer.

Make it Helix Smart
Unlock true remote control and automation with Helix Pulse—build scenes and schedules, pre-cool before you arrive, and set a Quiet Night routine from your phone, tablet, or watch. Add Helix Eye for quick pet/cabin check-ins and motion/threshold alerts. Two essentials, one bundle.