Nomadic X3 24V DC Rooftop Air Conditioner
FREE SHIPPING
Ships within 24 hours - Nationwide delivery
NO TAX
Save on sales tax - Applied at checkout
The Nomadic X3 24V is a low-profile, battery-friendly rooftop air conditioner built for real off-grid comfort.
It runs directly from a 24V house battery system, no shore power or idling engine required and uses an efficient brushless motor with multiple modes (ECO, MAX, Auto, Fan-Only) to balance performance and battery life. Its aerodynamic form drops into an industry-standard 14×14 roof opening, the flush-mount metal interior faceplate keeps the cabin clean and open, and whisper-quiet operation (≤60 dBA) helps you sleep through the night. This page covers the 24V DC model. For the 12v/48v helix models, look here.
Why X3 24V?
Engineered for hot, high-load conditions, the X3’s high-output compressor and advanced fan system move serious air while maintaining efficient power draw. Control logic holds steady temperatures for longer runtimes off solar or lithium storage. Construction details are road-tested: a sealed back plate protects electronics from dust and debris, automotive-grade connectors simplify service, stainless hardware resists corrosion, and spring-bushed compressor mounts reduce vibration. A bright LCD control panel and a flush, powder-coated metal interior plate deliver a clean, modern finish.
Highlights
- Brushless internal fans for efficient, quiet airflow
- Stainless steel hardware and powder-coated interior components
- Spring-bushing compressor mounts and rubber-damping feet
- Sight glass for on-the-road troubleshooting
- Whisper-quiet operation: ≤60 dBA
Package Options
1. AC Only
Rooftop unit with interior faceplate, control panel, remote, and mounting hardware.
2. AC + DIY Install Kit (Optional Upgrade)
Everything in AC Only, plus a streamlined bundle for a clean self-install:
- 15 ft 2AWG power harness (requires a butt connector for installation; Anderson connectors are no longer recommended)
- Single-layer foam gasket with adhesive and leveling strip
- Heat shrink, threadlocker
- Internal support trim ring
- Zip ties and extra hardware
Fit & Compatibility
- 24V DC battery systems (off-grid ready; no shore power or generator required)
- Standard 14×14-inch roof opening
- Ideal for camper vans, RVs, and overland builds
- Exterior shroud color: Black or White
Tech Specifications

FAQ (Frequently Asked Questions) — click to expand
1.Is this the 24V version of the Nomadic X3?
Yes. This page is for the X3 configured for 24V DC systems. It’s designed to run directly from a 24V house battery, no inverter, generator, or shore power required.
2.Will it fit my van or RV roof opening?
Yes. The X3 mounts in the industry-standard 14" × 14" roof cutout used on most vans and RVs.
3.How quiet is the X3 24V?
Whisper-quiet operation up to ≤60 dBA under typical use, with brushless fans and vibration-damping compressor mounts for a calmer sound profile.
4.What modes does it support?
ECO, MAX, Auto, and Fan-Only. ECO extends runtime, MAX prioritizes peak cooling, Auto balances comfort and draw, and Fan-Only circulates air without active cooling.
5.What’s included with the AC-Only package?
Rooftop unit (Black or White shroud), foam gasket (14×14), crossbars with mounting hardware, flush-mount metal interior faceplate with screws, M8 mounting hardware, leveling strip, control panel and wire harness, remote control, and a full-size 14×14 cutout template.
6.What’s added in the AC + DIY Install Kit?
Everything in AC-Only, plus: 15 ft 2AWG power harness, single-layer foam gasket and leveling strip, heat shrink, threadlocker, internal support trim ring, and zip ties with extra hardware.
7.Do I need an inverter or shore power to run it?
No. The X3 24V is a DC rooftop air conditioner that runs directly from a 24V battery system. Many users pair it with solar and lithium storage for off-grid stays.
8.How do I control the unit?
Use the included LCD control panel for on-unit settings and the handheld remote for quick adjustments. Both provide clear, glove-friendly operation.
9.What refrigerant does the X3 use?
R1234yf, a modern low-GWP, A2L refrigerant aligned with today’s safety and environmental standards.
10.Any install tips?
Dry-fit before sealing, plan wire routing, and compress the gasket evenly in a criss-cross pattern when tightening. Keep airflow paths clear and confirm operation in ECO and MAX to validate performance.
11.What maintenance should I plan for?
Periodically check gasket compression, mounting hardware, and electrical connections. Keep the intake/exhaust paths free of debris for optimal performance.
12.What’s the warranty?
1-year limited warranty with US-based support.
Shop The Full Collection
What Our Customers Say
Trusted by 5000+ Happy Homeowners
John M.
Texas
"This zero-turn mower cut my mowing time in half! The 50% discount made it an incredible deal. Highly recommend S3Stores!"
Product: Zero-Turn Mower
Sarah K.
Florida
"Best purchase ever! The Husqvarna arrived quickly and was easy to assemble. My lawn has never looked better."
Product: Husqvarna Mower
Mike R.
Ohio
"Amazing customer service and unbeatable prices. Got my Cub Cadet at half price - couldn't be happier!"
Product: Cub Cadet
David L.
Georgia
"Professional quality at residential prices. The financing options made it easy to upgrade my equipment."
Product: Professional Mower
Jennifer S.
Tennessee
"Fast shipping, great communication. My new Ariens handles like a dream. Worth every penny!"
Product: Ariens Mower
Robert T.
Alabama
"S3Stores made buying a mower so easy. The team helped me choose the perfect model for my 2-acre lot."
Product: Riding Mower
Brands We Trust
Authorized Dealer of Industry-Leading Outdoor Power Equipment