Looking Beyond the RecPro RV Tankless Water Heater? 6 Alternatives Worth a Look

How each alternative compares

Suburban 6-Gallon Gas and Electric RV Water Heater

The Suburban 6-Gallon unit shifts from instant heating to stored hot water. It holds 4.0 gallons, providing a buffer of hot water that the RecPro cannot. This storage tank relies on electric power, offering dual-fuel flexibility if your RV supports it. The dimensions are similar at 12.7 inches wide and tall, but it weighs slightly more at 32.9 pounds. You trade continuous flow for steady temperature stability. This option suits RVers who need reliable hot water reserves rather than high-volume instant delivery. It is a durable steel solution for those prioritizing storage capacity over tankless efficiency.

Ranein 65,000 BTU RV Tankless Water Heater

The Ranein 65,000 BTU model delivers significantly more heat output than the RecPro’s 42,000 BTU unit. This higher BTU rating supports greater flow rates, making it suitable for families needing simultaneous hot water use. It is lighter at 15.5 pounds and features a silver finish. The Ranein includes remote monitoring capabilities, offering convenience the RecPro’s manual controls lack. You gain robust performance and temperature stability for full-time living. However, you give up the compact copper-core durability and simpler manual interface. This unit is ideal for travelers who prioritize high-volume heating and smart monitoring over basic manual operation.

APUS 80,000 BTU Propane RV Tankless Water Heater

The APUS 80,000 BTU heater provides the highest output in this list, surpassing the RecPro’s 42,000 BTU. It is designed for high-output showers and high-altitude camping, ensuring consistent performance in thin air. Weighing only 24.1 pounds, it is lighter than the RecPro. The unit is black and requires a wired remote installation, adding complexity compared to the RecPro’s direct controls. You gain substantial heating power and altitude resilience. You sacrifice aesthetic matching if you prefer white units and lose the simplicity of manual adjustment. This choice fits travelers who need maximum flow rate and can accommodate a black unit with remote wiring.

FOGATTI InstaShower 7 RV Propane Tankless Water Heater

The FOGATTI InstaShower 7 is a propane-powered tankless unit built for standard 15x15 RV installations. It matches the RecPro’s footprint but focuses on safety certifications and built-in pressure relief. You do not get the RecPro’s adjustable flow speeds or wind resistance features. Instead, you gain peace of mind through rigorous safety standards. The unit is silver and designed for propane users who prioritize safety over maximum flow rate. It is a solid choice for standard installations where propane is the preferred fuel. You trade the RecPro’s advanced performance features for a certified, safety-focused design that fits tight spaces securely.

Suburban 60,000 BTU RV Tankless Water Heater

The Suburban ST-60 offers 60,000 BTU of power, significantly higher than the RecPro’s 42,000 BTU. It includes freeze protection and child safety locks, features the RecPro lacks. The unit is gold and has a standard size profile, measuring 12 inches wide and tall. It weighs 21 pounds, making it lighter than the RecPro. You gain enhanced safety and freeze resistance for cold weather camping. You give up the RecPro’s copper-core heat exchanger and manual control simplicity. This model suits RVers who value child locks and voltage protection over maximum BTU output. It is a safe, freeze-resistant option for families and cold-climate travelers.

Camplux Elite Series RV Propane Water Heater

The Camplux Elite Series 10 delivers 65,000 BTU with a precise flow rate of 2.64 GPM. It offers stable water temperature and high-altitude performance, exceeding the RecPro’s capabilities. The unit is white and weighs 35.4 pounds, making it heavier than the RecPro. It is designed for boondocking where water conservation and precise heat control matter. You gain superior temperature stability and altitude resilience. You sacrifice the RecPro’s compact 15x15 door size compatibility and manual control simplicity. This heater suits RVers who prioritize precise temperature regulation and high-altitude reliability over basic manual operation and compact footprint.

Quick picks

Our 7 picks

1 Best overall

RecPro 42,000 BTU RV Tankless Heater

Best for: Compact RVs needing reliable manual control

BTU

42,000 BTU

Installation Location

Outdoor

Dimensions

12.5 x 12.5 x 12.5 inches

Use

RV

Weight

31.6 pounds

View on Amazon: RecPro 42,000 BTU RV Tankless Heater Affiliate link

This RecPro tankless water heater delivers 42,000 BTU of heating power for your RV. It features a compact 12.5-inch cubic design with a copper heat exchanger for efficient performance. The unit supports outdoor installation and includes a wired controller for precise temperature adjustments. It is suitable for travelers who need reliable hot water in tight spaces without the bulk of a traditional tank.

Pros

• 42,000 BTU heating capacity
• Copper heat exchanger for durability
• Compact 12.5-inch cube dimensions
• Wired controller with temperature display
• Suitable for outdoor installation

Cons

• Lower 42,000 BTU output compared to 65,000+ BTU competitors
• Requires hardwired controller, no wireless app control
• Heavier at 31.6 pounds than many lightweight units

Good fit if

• You need a compact unit for small RV storage spaces
• You prefer a durable copper heat exchanger
• You want precise manual temperature control via a wired interface

Skip if

• You require high-flow heating above 42,000 BTU
• You want smart app-based remote control
• You need a lighter unit under 25 pounds

Verdict: RecPro 42,000 BTU RV Tankless Heater fits RV owners who prioritize a compact, durable copper-core unit with manual controls over raw heating speed or smart features.

2 Best premium

Suburban 6-Gallon Gas and Electric RV Water Heater

Best for: RVers needing durable stored hot water

Fuel Type

Electric, Gas

BTU

12,000 BTU/h

Wattage

1,440 W

Capacity

6 Gallon

Dimensions

12.69 x 12.69 x 19.19 in

Use

RV

View on Amazon: Suburban 6-Gallon Gas and Electric RV Water Heater Affiliate link

This Suburban unit is a compact 6-gallon tank heater designed for RV use. It delivers 12,000 BTU of gas power with an optional 1,440-watt electric element. The porcelain-lined steel tank includes a replaceable anode rod for corrosion protection. Its flue tube design optimizes heat transfer. It suits RVers who need reliable, steady hot water storage rather than instant flow, fitting into tight spaces with its 12.7-inch footprint.

Pros

• Porcelain-lined steel tank for durability
• Dual fuel: 12,000 BTU gas and 1,440W electric
• Replaceable anode rod reduces corrosion
• Optimized flue tube for efficient heating

Cons

• Small 4.0-gallon usable capacity
• Lower 12,000 BTU output than tankless competitors
• Requires 2-year limited warranty coverage

Good fit if

• You need a reliable backup water source
• You prefer stored hot water over instant flow
• You want electric heating flexibility at campsites

Skip if

• You require high-flow instant hot water
• You need more than 6 gallons of storage
• You want a 12VDC relay option

Verdict: Suburban 6-Gallon RV Water Heater is a sturdy storage solution for RVers who prioritize durability and dual-fuel flexibility over high-volume instant heating.

3 Best budget

Ranein 65,000 BTU RV Tankless Water Heater

Best for: families needing simultaneous hot water use

Fuel Type

Propane

Flow Rate

3.9 GPM

BTU

65,000 BTU

Voltage

12V DC

Temperature Control

95°F to 124°F

Certification

CSA

View on Amazon: Ranein 65,000 BTU RV Tankless Water Heater Affiliate link

The Ranein RV tankless water heater delivers 65,000 BTU and 3.9 GPM for strong, stable hot water flow. Its 12V DC power and CSA certification make it suitable for RV use. The unit features an oxygen-free copper heat exchanger and thermostatic mixing for temperature stability. It includes a multi-function remote and anti-freeze protection. This model fits standard RV cutouts and supports simultaneous use for families.

Pros

• 65,000 BTU output for faster heating
• 3.9 GPM flow rate for strong pressure
• Oxygen-free copper heat exchanger for durability
• Multi-function remote with real-time monitoring
• Anti-freeze protection activates below 42.8°F

Cons

• Exterior door not included
• No electric heating element for backup
• Limited to propane fuel source

Good fit if

• You need high flow for family showers
• You want real-time system monitoring
• You travel in cold climates

Skip if

• You need an included exterior door
• You require electric heating backup
• You prefer a larger 18-inch unit

Verdict: Ranein RV 65K BTU Tankless Heater offers robust performance for families needing simultaneous hot water. Its high flow rate and remote monitoring suit full-time RVers who prioritize reliability and temperature stability.

4 Also great

APUS 80,000 BTU Propane RV Tankless Water Heater

Best for: High-output RV showers and high-altitude camping

Fuel Type

Propane

Flow Rate

4.8 GPM

BTU

80,000 BTU

Voltage

12V DC

Temperature Control

95–124°F

Certification

CSA

View on Amazon: APUS 80,000 BTU Propane RV Tankless Water Heater Affiliate link

The APUS RV tankless water heater delivers 80,000 BTU of heating power with a 4.8 GPM flow rate. It runs on propane and 12V DC, fitting standard 13x13 inch RV cutouts. The unit includes a wired remote for temperature control between 95–124°F. It operates up to 10,000 feet elevation and features automatic anti-freeze protection. This model suits RVers needing high output and reliable performance in varied climates.

Pros

• 80,000 BTU heating output for fast hot water recovery
• 4.8 GPM flow rate supports multiple fixtures
• Fits standard 13x13 inch RV wall cutouts
• Wired remote controller for internal temperature adjustment
• Operates at elevations up to 10,000 feet

Cons

• Black finish may not match white RV interiors
• Wired remote requires installation through the wall
• Heavier build at 24.1 pounds

Good fit if

• You need high BTU output for multiple water outlets
• You camp at high elevations above sea level
• You want a standard 13x13 inch replacement unit

Skip if

• You prefer white units to match existing RV decor
• You need wireless smart home integration
• You require a unit under 20 pounds

Verdict: APUS 80,000 BTU RV Tankless Water Heater provides robust heating for travelers who prioritize flow rate and altitude performance over aesthetic matching. It is ideal for those who can accommodate a black unit and wired remote installation.

5 Also great

FOGATTI InstaShower 7 RV Propane Tankless Water Heater

Best for: Compact 15x15 RV propane installations

Fuel Type

Propane

Flow Rate

2.5 GPM

Voltage

12V DC

Temperature Control

95–123°F

Dimensions

15 x 15 x 15 inches

Use

RV

View on Amazon: FOGATTI InstaShower 7 RV Propane Tankless Water Heater Affiliate link

The FOGATTI InstaShower 7 delivers 48,000 BTU of heat output with a flow rate of 2.5 GPM. It features a compact 15x15x15 inch footprint and CSA certification for safety. The unit includes a built-in 150 PSI pressure relief valve and a 6.6-foot smart remote. You can adjust water temperature between 95°F and 123°F. It also offers antifreeze protection down to -22°F.

Pros

• 48,000 BTU heat output for instant hot water
• 2.5 GPM flow rate suitable for RV use
• Built-in 150 PSI pressure relief valve
• 6.6-foot smart remote for temperature control
• CSA certified with forced exhaust and antifreeze protection

Cons

• Lower flow rate of 2.5 GPM compared to 3.9 GPM or 65,000 BTU competitors
• Requires separate purchase for 15x18 or 18x18 door kits
• Propane only, no electric heating element option

Good fit if

• You need a CSA-certified unit with built-in safety valves
• You prefer propane fuel for RV applications
• You want a compact 15x15 inch installation footprint

Skip if

• You require a flow rate above 3.5 GPM
• You need an electric or dual-fuel water heater
• You have an 18x18 inch opening and want an included kit

Verdict: FOGATTI InstaShower 7 RV Tankless Heater fits RVers who prioritize safety certifications and built-in pressure relief over maximum flow rate. It is a solid choice for standard 15x15 installations where propane is the preferred fuel source.

6 Also great

Suburban 60,000 BTU RV Tankless Water Heater

Best for: RVers needing freeze protection and child safety

Fuel Type

Propane

BTU

60,000 BTU

Dimensions

12 x 12 x 20 inches

Use

RV

Weight

21 pounds

View on Amazon: Suburban 60,000 BTU RV Tankless Water Heater Affiliate link

The Suburban ST-60 delivers 60,000 BTU of hot water for your RV. It measures 20 by 12 by 12 inches and weighs 21 pounds. The unit includes Active Freeze Protection and Voltage Protection. It features a child lock set at 113 F and a max temperature of 131 F. This model suits RVers who prioritize safety features and reliable freeze protection in a compact design.

Pros

• 60,000 BTU heating capacity
• Active Freeze Protection prevents damage
• Child lock limits output to 113 F
• Voltage Protection shuts down during electrical issues
• Includes wall mount digital control center

Cons

• Lower 60,000 BTU output compared to 65,000 or 80,000 BTU competitors
• Door and wall mount kit sold separately
• No mention of remote control capability

Good fit if

• You need robust freeze protection for cold climates
• You want a child-safe temperature limit
• You prefer a standard 60,000 BTU unit

Skip if

• You require 80,000 BTU for high flow
• You want an all-in-one installation kit
• You need remote temperature adjustment

Verdict: Suburban ST-60 60,000 BTU RV Heater is a safe, freeze-resistant option for RVers who value child locks and voltage protection over maximum BTU output.

7 Best 2.64 gpm

Camplux Elite Series RV Propane Water Heater

Best for: High altitude camping and precise temperature control

Fuel Type

Propane

Flow Rate

3.9 GPM

BTU

65,000 BTU

Installation Location

Outdoor

Temperature Control

±1°F

Dimensions

12.6 x 12.6 x 15.4 inches

View on Amazon: Camplux Elite Series RV Propane Water Heater Affiliate link

The Camplux Elite 10 delivers 65,000 BTU of heating power with a 3.9 GPM flow rate for RV use. It features a precise ±1°F temperature control and ignites at just 0.5 GPM, making it efficient for low-flow plumbing. This unit includes a mixing tank and remote controller. It is designed for outdoor installation and handles high altitudes up to 9,800 feet.

Pros

• 65,000 BTU heating core supports simultaneous multi-use
• ±1°F precise temperature regulation eliminates hot or cold spikes
• Ultra-low 0.5 GPM startup saves propane and water
• Includes 15-inch exterior access door and smart remote controller

Cons

• 2.64 GPM flow rate is lower than competitors offering 3.9 GPM
• Requires outdoor installation only
• Heavier build at 35.4 pounds compared to lighter units

Good fit if

• You need precise shower temperature control with ±1°F accuracy
• You camp at high altitudes up to 9,800 feet
• You want a complete retrofit kit with a mixing tank included

Skip if

• You require indoor installation options
• You need a flow rate higher than 2.64 GPM
• You prefer a lighter unit under 35 pounds

Verdict: The Camplux Elite 10 65K BTU RV Heater suits RVers who prioritize stable water temperature and high-altitude performance over maximum flow rate. It is a solid choice for boondocking where water conservation and precise heat control matter most.

Specifications side by side

Frequently asked questions

See also

• recpro suburban 17 RV gas range alternatives
• dreo space heater alternatives