# Best RV Water Heaters Source: https://rvupgradehub.com/best/best-rv-water-heaters Updated: 2026-10-20 Publisher: RV Upgrade Hub. Our score is an editorial rating out of 10 (fit 35%, features 25%, build 20%, value 20%), not a customer rating. Method: https://rvupgradehub.com/how-we-research#our-score A cold shower after a long hike is a quick way to sour a trip, and the small tank heaters in many rigs run out of hot water before you have rinsed the shampoo out. Upgrading, whether to a larger tank or an on-demand tankless unit, means reliable hot water for showers and dishes without the anxious countdown. Here we compare RV water heaters across tank and tankless designs. We look at recovery time and endless-hot-water capability, propane and electric fuel options, water and battery draw for off-grid use, and how the physical size and mounting match common RV openings so the upgrade fits the space you already have. ## Picks ### 1. Andeman RV Tankless Water Heater 55,000 BTU 2.9 GPM Instant Hot Water with Remote and 15x15 inch Door, 12V DC, CSA Certified (Black) Our score: 8.3/10 (Fit for the job 8/10 · Features and specs 9/10 · Build and materials 8/10 · Value 8/10) Andeman's black 55,000 BTU 2.9 GPM RV tankless water heater with remote, 15x15 inch door, 12V DC and CSA certification. Pros: - CSA certified with clearly stated BTU and GPM specs - Remote included for temperature changes from inside - 15x15 inch door suits standard RV heater openings Cons: - 2.9 GPM flow may struggle with two taps running at once - Black door can get hot in direct summer sun Details: https://rvupgradehub.com/product/B0DPWW94GF ### 2. MYACUC RV Tankless Water Heater Propane, 61000 BTU Upgraded Dual Outlet On Demand with Remote, Shower Head and 15x15 inch Door Our score: 8.1/10 (Fit for the job 8/10 · Features and specs 9/10 · Build and materials 7/10 · Value 8/10) MYACUC's 61000 BTU propane RV tankless water heater with dual outlet, remote, shower head and 15x15 inch door. Pros: - 61000 BTU output delivers strong hot water even in cold weather - Dual outlet design supports kitchen and bathroom demand - Remote control lets you adjust temperature from inside Cons: - Install requires matching your 15x15 inch wall opening - Propane and DC wiring connections make the swap a real project Details: https://rvupgradehub.com/product/B0F52CM991 ### 3. RecPro RV Tankless Water Heater, On Demand, 42,000 BTU, Remote Control Included (18x18 inch Door, Black) Our score: 8.0/10 (Fit for the job 8/10 · Features and specs 8/10 · Build and materials 8/10 · Value 8/10) RecPro's 42,000 BTU on demand RV tankless water heater with remote control and an 18x18 inch black door. Pros: - Remote control included for setting temperature from inside - RecPro is a large RV supplier with accessible support - On demand heating ends the wait for a tank to warm up Cons: - 18x18 inch door only fits larger openings, not the common smaller cutouts - 42,000 BTU output is lower than many competing units Details: https://rvupgradehub.com/product/B0CZS5KT3J ### 4. RV Tankless Water Heater, On Demand Instant Propane, DC 12V, 15x15 inch Door, 55000 BTU 3.9 GPM, CSA Certified Our score: 7.8/10 (Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 8/10) An on demand propane RV tankless water heater, 55000 BTU and 3.9 GPM with DC 12V, 15x15 inch door and CSA certification. Pros: - 3.9 GPM flow supports showers and dishes at the same time - CSA certified for tested gas appliance safety - 15x15 inch door matches common RV water heater cutouts Cons: - Check the warranty terms before buying - No remote mentioned, unlike several similar units Details: https://rvupgradehub.com/product/B0DJQFH7TN ### 5. RVPart Pro RV Tankless Water Heater, Propane, White Door, Remote, 12V DC | For RV Family & Camper, with 15"×15" White Door, High-Altitude, CSA Certified, Remote Temperature Control Our score: 7.8/10 (Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 8/10) RVPart Pro propane tankless RV water heater, 60,000 BTU with remote control and a 15 x 15 inch white door, the same brand's current listing. Pros: - Same RVPart Pro 60,000 BTU propane model line as the heater it replaces, with a white door. - Oxygen-free copper heat exchanger, brushless DC fan, and a built-in 150 PSI pressure reducing valve. - Fits a 15 x 15 inch door with a 13 x 13 inch opening, and the listing says it is designed for high altitude use. Cons: - The door is white where the previous listing had a black door, so check the color against your RV exterior. - It runs on 12V DC and propane, and the listing asks you to confirm your RV operates on 12V before installing. Details: https://rvupgradehub.com/product/B0DHWRYW3H ### 6. ORBEK RV Tankless Water Heater, Propane, 12V DC, For RV Family & Camper | High-Altitude Performance, Continuous On-Demand Hot Water, Remote Temperature Control, Built for RV Travel, CSA Certified Our score: 7.6/10 (Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 7/10) A 60,000 BTU propane tankless RV water heater running on 12V DC, with a remote temperature control, CSA certification and a high-altitude mode. For RVers who want continuous hot water. Pros: - 60,000 BTU propane burner for continuous on-demand hot water for showers, dishes and handwashing. - CSA certified with a forced-draft exhaust fan and automatic gas shut-off listed among its safety protections. - Built-in 150 PSI pressure-reducing valve and a high-altitude mode are listed, and door panels are sold separately for 15 inch openings. Cons: - Door panels are sold separately, so an existing opening may need an extra purchase to finish the look. - At a higher price than many tankless units in this guide, it suits owners planning a full water heater swap. Details: https://rvupgradehub.com/product/B0FR8NDM36 ### 7. ITEFDTUTNE RV Tankless Water Heater with 15x15 inch White Door and Remote Controller, DC 12V, High Altitude Performance Our score: 6.8/10 (Fit for the job 7/10 · Features and specs 7/10 · Build and materials 6/10 · Value 7/10) ITEFDTUTNE's DC 12V RV tankless water heater with 15x15 inch white door, remote controller and high altitude performance. Pros: - High altitude performance suits mountain campgrounds - Remote controller adjusts water temperature conveniently - 15x15 inch door fits the most common RV heater openings Cons: - Check the BTU rating to judge hot water output - Very obscure brand with uncertain parts and support Details: https://rvupgradehub.com/product/B0D1QTXJ4T As an Amazon Associate I earn from qualifying purchases.