In stock now: Carbonogy 12V RV Roof Vent Fan with Remote Control, Reversible Airflow & Rain Cover
Free shipping & free 30-day returns (prepaid label, no restocking fee) — plus 10% off your first order with code RVSAFE10 . Ships from Upland, CA.
Good roof ventilation is the cheapest comfort upgrade an RV can get. A 12V vent fan moves hot air, cooking smells, and — critically — moisture out of the cabin for a tiny fraction of the power an air conditioner draws, which is why experienced boondockers run their vent fan constantly and their AC rarely.
Why a Powered Vent Fan (Not Just a Vent)
A passive vent lets air drift; a powered fan exchanges it. That means: cooler sleeping without running the AC off your battery bank, condensation control in winter (the difference between damp bedding and a dry camper), fast smoke/odor clearing when cooking, and positive airflow that pulls a breeze through an open window even on still nights. On a lithium-and-solar rig, a vent fan draws roughly 1–3A — an AC draws over 100A through an inverter. That math is the whole argument.
What the Carbonogy 12V Fan Gives You
The Carbonogy 12V roof vent fan packs the features people actually wish for after living with a basic fan into one unit:
- Remote control — change speed from bed at 2am, no ladder to the ceiling switch.
- Reversible airflow — exhaust hot air in summer, draw fresh air in without wind-chill in winter.
- Thermostat with LCD panel — set a temperature and let the fan self-regulate (remote range −2°C to 40°C).
- Aerodynamic rain cover — keep venting in weather; fans you must close when it rains stop being used. Side vents keep air moving even with the lid closed.
- Washable filter + insect screen — keeps dust and bugs out of the cabin, which off-road travel supplies in quantity.
- Quiet low gears — ≤ 29 dB at the default gear, quiet enough to sleep under.
It fits the standard 14" x 14" (355 × 355 mm) roof opening used on Black Series HQ trailers and most US campers — a direct upgrade from a passive vent or a tired old fan. Wondering how it stacks up against the big names? See our head-to-head comparisons with the MaxxAir MaxxFan Deluxe and the Dometic Fan-Tastic Vent.
Where to Put It
- Kitchen/bathroom vent: run it as an exhaust — the rain cover and washable filter make it the workhorse for steam and cooking odors.
- Over the bed or lounge: reversible flow and the remote earn their keep daily.
- Best setup for full-timers: two fans — exhaust at the kitchen, intake over the bed, creating constant cross-flow through the camper. A dedicated 12V bathroom fan completes the wet bath.
Installation Notes
The fan fits the standard 14x14 cutout: remove the old vent, clean the flange, bed the new fan on quality sealant, screw down, and connect to a fused 12V circuit (see our fuses collection). It's a two-hour DIY job — follow the step-by-step replacement walkthrough. While you're on the roof it's the right moment to inspect all your seals — our roof maintenance range covers sealants and covers.
FAQ
Will it fit my camper?
If your existing vent uses the standard 14" × 14" roof opening (nearly all US RVs do), yes. Measure the cutout and check your roof thickness (27–80 mm mounting range) before ordering.
Can I run it in the rain?
Yes — the aerodynamic rain cover and IPX4-rated housing are designed so you can keep venting in light rain, and side vents pass air even with the lid closed.
How much power does it draw?
About 0.25A at the quiet default gear and no more than 1.6A flat out — an all-night run costs your battery bank almost nothing compared to minutes of air conditioning.
Related guides
- Carbonogy vs MaxxAir MaxxFan Deluxe
- Carbonogy vs Dometic Fan-Tastic Vent
- RV Roof Vent Fan Buying Guide: How to Choose the Right Fan
- 12V RV Roof Vent Fan Install & Buying Guide
- How to Replace an RV Roof Vent Fan (Step-by-Step)
The fan is in stock in the Carbonogy collection, shipping from Upland, CA — and it pairs perfectly with the low-power off-grid philosophy of our Victron power systems.