All rankings
Here are all the VanThermia rankings: the overall ranking for each category plus rankings by use and by feature.
Camper and RV heaters
- Best Diesel Heaters for Camper Vans and RVs: 7 Ranked for 2026The best diesel heaters for camper vans and RVs in 2026: 7 fixed and all-in-one units ranked on specs, with the fuel math that exposes inflated kW claims.
- The 6 Best Electric Space Heaters for Camper Vans and RVs (2026)The 6 best electric space heaters for camper vans and RVs, ranked on wattage for 15 A and 30 A hookups, tip-over and overheat protection, and noise.
- The 4 Best Propane Heaters for Camper Vans and RVs (2026)The best propane heaters for camper vans and RVs, ranked on low-oxygen sensor, tip-over shutoff and output, with the ventilation and CO rules to follow.
Camper and RV air conditioners
- The 4 Best Portable Air Conditioners for Camper Vans and RVs (2026)The 4 best portable air conditioners for camper vans and RVs, all with real compressors, ranked on cooling per watt, venting, noise and heat mode.
- The 8 Best RV Rooftop Air Conditioners of 2026 (120 V and 12 V)The 8 best RV rooftop and 12 V parking air conditioners of 2026, ranked on cooling, power draw, heat pump and noise, with the battery and hookup math.
Camper ventilation and damp control
- The 6 Best RV Dehumidifiers of 2026, by Real CapacityThe 6 best dehumidifiers for RVs and camper vans in 2026, compared on real daily capacity, type (desiccant or Peltier), cold-weather use, power and noise.
- The 7 Best RV Roof Vent Fans of 2026The 7 best RV and camper van roof vent fans of 2026 compared on airflow, speeds, reversible flow, rain protection, 12 V draw and 14 × 14 in fit.
Insulation and safety
- The 6 Best RV Carbon Monoxide Detectors of 2026The 6 best carbon monoxide detectors for RVs and camper vans in 2026, compared on standard, sensor, battery, display and 12 V CO/LP propane detection.
- The 6 Best Van Insulation Products of 2026: Thinsulate, Foam, ReflectixThe 6 best camper van insulation products of 2026: Thinsulate, polyester batts, foil foam and Reflectix compared on thickness, coverage and real effect.