Best RV Hot Water Heater for Solar (2026): 5 Compared

The listing states a propane tankless heater with a 60,000 BTU burner, 12V DC power, CSA certification, a remote control from 95°F to 123°F, a 150 PSI pressure-reducing valve, a high-altitude mode to 9,800 feet, frost protection, a forced-draft exhaust fan and automatic gas shut-off. It states a 2 Years warranty and 24-month service support, at 20.5 pounds and 12.7 by 12.7 by 12.7 inches. Door panels are available separately for 15 by 15, 15 by 18 and 18 by 18 inch openings.

Who it's for: RV owners who want on-demand hot water with the highest BTU figure here. Who should skip it: anyone who wants a tank heater or an electric heating option.

Its Solar Score of 9.7/10 comes from performance 32/35, build 22/25, value 21/25, safety 9/10 and warranty 3/5: 87 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 10 November 2026. Performance figures are manufacturer rated.

What this listing states. CSA certified with frost protection, forced-draft exhaust fan and automatic gas shut-off stated, so safety scores 9 of 10. 2 Years stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 3 of 5. See How We Pick.

Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

The listing states a 10 gallon porcelain-lined steel tank heater with direct spark ignition, an Incoloy electric element, 12,000 BTU/h, an electric element input of 1,440, and recovery of 6.1 gallons per hour on electric and 10.1 on gas. It states a replaceable anode rod that doubles as a drain, and a 2-year limited warranty with a 3-year tank limited warranty. The spec table gives 16.21 by 16.21 by 16.21 inches while the bullets give 16.22 by 16.22 by 20.50 inches, so trust the bullets for size.

Who it's for: RV owners who want a tank of hot water with gas and electric heat. Who should skip it: anyone who wants on-demand tankless heat.

Its Solar Score of 9.6/10 comes from performance 28/35, build 21/25, value 20/25, safety 4/10 and warranty 4/5: 77 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 10 November 2026. Performance figures are manufacturer rated.

What this listing states. Replaceable anode rod for corrosion protection stated, so safety scores 4 of 10. 2-year limited warranty and 3-year tank limited warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.

Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

The listing states a tankless heater with 42,000 BTU, a 15 by 15 inch black access door, a remote controller, an LED smart display with touch controls, segmented combustion, an outdoor water outlet and a rear chamber of 12.6 by 12.6 by 14 inches, with 1/2 inch NPT water and gas connectors and a 2.36 inch exhaust pipe, at 26.9 pounds. No warranty term, certification or protection feature is stated.

Who it's for: RV families who want on-demand hot water with a remote and an outdoor outlet. Who should skip it: anyone who wants a stated warranty or certification.

Its Solar Score of 9.5/10 comes from performance 29/35, build 21/25, value 21/25, safety 0/10 and warranty 0/5: 71 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 10 November 2026. Performance figures are manufacturer rated.

What this listing states. No safety listing, protection or rating is stated, so safety scores zero. No warranty term, so warranty scores zero. See How We Pick.

Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

The listing states a 2-pack of pure magnesium anode rods with an AZ31 core, a galvanized nut, 9.25 inch by 3/4 inch NPT threads and pre-applied Teflon tape, for Suburban tanks. The title says a 1-year wear-out replacement while the bullets state a 2-Year Warranty, so the warranty term is unclear between the two. The listing also says Atwood models need a 4.5 inch by 1/2 inch NPT rod.

Who it's for: Suburban tank owners who want a spare anode rod with a galvanized nut. Who should skip it: anyone looking for a water heater itself, since this is a maintenance part.

Its Solar Score of 9.3/10 comes from performance 16/35, build 18/25, value 18/25, safety 4/10 and warranty 3/5: 59 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 10 November 2026. Performance figures are manufacturer rated.

What this listing states. Pure magnesium anode rod for cathodic protection stated, so safety scores 4 of 10. 2-Year Warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 3 of 5. See How We Pick.

Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

The listing states a 2-pack of magnesium anode rods, 9.25 inches long with 3/4 inch NPT threads, for Suburban 232767 and Mor-Flo tanks, with a 1-1/16 inch socket and PTFE tape, at 0.73 pounds. The spec table gives 10.2 inches long while the bullets give 9.25 inches, so trust the bullets for length. No warranty term is stated.

Who it's for: Suburban tank owners who want a spare anode rod with tape included. Who should skip it: anyone looking for a water heater itself, since this is a maintenance part.

Its Solar Score of 9.2/10 comes from performance 16/35, build 16/25, value 18/25, safety 4/10 and warranty 0/5: 54 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 10 November 2026. Performance figures are manufacturer rated.

What this listing states. Magnesium anode rod for tank corrosion protection stated, so safety scores 4 of 10. No warranty term, so warranty scores zero. See How We Pick.

Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.