Top 10 Best rv heater in 2026

Last Updated - 6/14/2026

🏆Best Choice

Mr. Heater

9,000 BTU Portable Buddy Radiant Heater

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Emits 4,000 or 9,000 BTU/hr radiant heat
•Designed and approved for indoor and outdoor use
•Heats up to approximately 225 square feet
•Features emergency low oxygen safety system
•2 temperature settings: low and high
•Runs 5.4 hours on low and 2.4 hours on high with 1 lb propane cylinder
•Constructed with self-extinguishing materials
•The use of un-authorized accessories/attachments with this heater are expressly prohibited, may cause serious injury, and will void the warranty.

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$79.99

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Mr. Heater

Mr. Heater F232017 MH9BXRV Buddy Grey Indoor-Safe Portable RV Radiant Heater (4,000-9,000-BTU)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•4,000- to 9,000-BTU radiant heater for spaces up to 225 square feet. Approved for indoor/outdoor use; clean-burning; nearly 100-percent efficient
•When operating the heater at altitudes over 7,000 FT above sea level the heater may shut off.
•Auto shut-off if tipped over, if pilot light goes out, or if detects low oxygen levels
•Fold-down handle; swivel-out regulator; connects to propane tank (not included).Fuel Type:Propane
•THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE WARRANTY.

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$91.27

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ProCom

ProCom ML100TBA-B Ventless Propane Gas Blue Flame Space Heater with Thermostat Control for Home and Office Use, 10000 BTU, Heats Up to 500 Sq. Ft., Includes Wall Mount and Base Feet, White

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•TECHNOLOGY: This compact Blue Flame mini heater produces 10000 Maximum BTU using Liquid Propane and heats up to 500 sq. ft. area; This is a great heater for office, bedroom, living room, and other residential use
•DEPENDABLE: Thermostat control on the heater offers High/Medium/Low Thermostat Control; Ideal for greater heat flow that could add a warm atmosphere as a small space heater
•STYLISH: Without compromising function for beauty, this versatile small heater has been redesigned for a slim & modern profile to effortlessly fit in your room; Mount on a wall with included hardware or place on a floor with Base Feet (Included)
•SAFE: Push button ignition with built-in pilot oxygen depletion sensor (ODS) immediately shuts down the garage heater if carbon monoxide or lack of oxygen is detected; ANSI Certified to ensure safety
•CONVENIENT: No electricity is required for this personal heater, making it perfect for power outages or any in-house emergencies; Includes Wall Mount and Base Feet

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$163.94

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Suburban

Suburban RP-30FQ 30,000 BTU/h RV Replacement Core for Suburban Furnace Series SF-25F, SF-25FQ, SF-30F, SF-30FQ, SF-FQ (2608A)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•COST-EFFECTIVE REPLACEMENT: The RP-30FQ 30,000 BTU/h Replacement RV Furnace Core by Suburban offers a simple and affordable alternative to replacing your furnace. Save time and money with this replacement module that slides into your existing cabinet, providing all the benefits of a new furnace without the extensive installation process.
•DIRECT REPLACEMENT FOR SUBURBAN SERIES: Specifically designed to replace the Suburban SF-25F, SF-25FQ, SF-30F, SF-30FQ, SF-FQ Furnace Core, this replacement module ensures compatibility and seamless integration with your existing furnace setup.
•COMPACT AND EFFICIENT DESIGN: Measuring 20 x 17 x 7.5 inches, the RP-30FQ furnace core replacement offers a compact solution that maximizes space efficiency. It fits snugly into your RV's furnace cabinet, optimizing your interior layout.
•AFFORDABLE AND WARRANTY-BACKED: This furnace core replacement is an affordable alternative to replacing old and worn-out furnace parts with little to no warranty. Enjoy peace of mind with a two-year limited warranty, ensuring quality and reliability.
•TIME-SAVING INSTALLATION: Installing the RP-30FQ Replacement Furnace Core is straightforward and time-saving. Simply slide the module into your existing furnace cabinet, avoiding the complexities and costs associated with a full furnace replacement.

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$411.83

$506.77

-19%

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Ranein

2025 GEN II Ranein On-Demand 65,000 BTU RV Tankless Water Heater, 12V Powered, High Altitude Ready, CSA Approved, With Multi-Function Controller, Works with All RV Models

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Endless Hot Water – Advanced deep fire row design maximizes heating efficiency, delivering up to 3.9 GPM at 65,000 BTU. Enjoy continuous hot water even in snowy winter. Adjustable from 95°F to 124°F with staged combustion technology, preventing overheating in summer and conserving propane for longer trips.
•Easy Replacement – Easy to replace most RV water heaters (including Suburban & Atwood 6/10/12-gallon models) with a 12.8" x 12.8" opening (door not included). Compatible door kits (15" x 15", 15" x 18", or 18" x 18") are available for separate purchase.
•Enhanced for Your Convenience - Building on the original design, we’ve upgraded the multi-function remote control to display real-time gas usage, voltage, water flow rate (GPM), anti-freeze activation status, and support operation at high altitudes up to 9,800 feet.
•Safe & Reliable – Features a top-mounted exhaust fan for stable combustion, automatic gas shut-off if flames fail, and an anti-freeze system that activates below 42.8°F to prevent damage. CSA-certified for safety. Includes a built-in pressure relief valve (no separate purchase needed)
•Ideal for - Full-time RVers needing reliable hot water and Campers who enjoy extended showers

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$319.20

$399.00

-20%

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MOZODAWN

MOZODAWN 15000 BTU Propane Heater Indoor and Outdoor use, 3 Heating Mode Propane LP Gas Heater with ODS & Tip-Over Protection, Portable buddy heater for Garage, Camping, Yards, Patio

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•🔥Efficient Heating: outdoor propane heater has 3 heating modes, offering 5000, 10000, 15000 BTU three flexible heat settings. Able to produces up to 15000 BTU for rapid heating, achieving a heating area of max 400 sq/ft.
•🔥Safety Features: propane radiant heater comes with low oxygen shut-off and tip-over switch. Tip-over protection will shut off the heater if it gets knocked over accidentally. So please put it on a flat surface to use the heater.
•🔥Outdoor & Indoor Uses: The portable propane tank heater generates heat and gives you a warm environment in the cold days. Ideal for outdoor activities such as camping, hunting, garage, patio, backyard, fishing or sporting events. Ensure it's used in a ventilated place indoors if you need.
•🔥Quiet and Portable: Use The ultra-quiet propane radiant heater creates a serene environment for working and parties. The propane heater is cordless and lightweight, easy to assemble, can be hung on the wall for use. Propane buddy heater featuring 4 durable locking casters can be placed on the ground for use both stability and easy mobility.
•🔥Packing Details: When you receive a new package, you will find the below parts inside the carton: (1) Portable L.P.G. Infrared Heater x 1; (2) 5 Feet QCC1 L.P.G. Hose & Regulator Kit x 1; (3) 19mm wrench x 1; (4) Leg x 2; (5) Wheel x 4; (6) Screw x 2; (7) User Manual x 1. Contact us if you have any isuue.

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$119.99

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LiberLive

RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•[UPGRADED RV WATER HEATER] - The upgraded RV water heater features two water outlets: a regular outlet for use inside the RV and an additional outlet for use outside the RV. To use hot water outside the RV, simply open the door of the water heater outside the RV and connect the shower head to the additional water outlet on the RV water heater. This will allow you to enjoy hot water outside the RV (The shower head kit is included in the package)
•[REPLACES ALL RV WATER HEATERS] - This tankless RV water heater features a 13 x 13 inch opening with a wider 15 x 15 inch door. It also includes a smart remote control, allowing for operation from up to 6.6 feet away. This RV water heater is designed to replace other brands of water heaters, providing a seamless upgrade to your RV's water heating system
•[ENJOY ENDLESS HOT WATER] - This RV water heater boasts up to 55,000 BTUs of thermal power, capable of producing 3.9 GPM of hot water per minute. Unlike traditional tank water heaters, it provides a constant stream of hot water for multiple showers without the need for preheating. This RV tankless water heater reaches 124°F in 25 seconds, you can enjoy warm hot water in a short time frame. Whether you're showering, washing dishes, or multi-tasking, this water heater has you covered
•[CONSTANT WATER TEMPERATURE] - The RV water heater is equipped with high-efficiency heating coils to ensure optimal heating performance. The built-in microcomputer control system provides precise flame control and delivers comfortable hot water. Temperature range is 95°F-124°F. This product uses staged combustion technology to control flame size, preventing overheating in the summer and ensuring comfort and energy efficiency. It is also energy efficient, reducing propane consumption by up to 40%
•[HIGH PERFORMANCE AT HIGH ALTITUDES] - Our RV tankless water heaters are designed to perform at high altitudes, enhancing your experience on the road. This RV tankless water heaters are equipped with a high-quality heat exchange system that operates effectively at any altitude, including the Denver Plateau, which is 9,800 feet above sea level. The enhanced NIDEC fan provides 300Pa of power, ensuring a reliable hot water supply even in high-wind conditions
•[SAFETY & RELIABILITY] - This CSA-certified instant water heater boasts nine advanced safety features, including overheat protection, dry burn protection, flame failure protection, freeze protection and anti-scald protection. These safeguards allow you to travel with confidence and ensure reliable performance in any situation
•[EASY INSTALLATION] - We provide a comprehensive installation guide to ensure a straightforward and efficient installation process. RV water heaters require a 12-volt DC power connection and propane. Water inlet & water outlet: 1/2" NPT, Gas inlet: 1/2" NPT with 5/8" NPT adapter. Please note that the RV on-demand water heater must be installed in an area with proper ventilation and exhaust in order to ensure proper operation
•[RELIABLE PROTECTION & SUPPORT] - The LiberLive water heater comes with a comprehensive 1 year warranty that covers the entire unit. Our dedicated customer support team is always on hand to address any questions or concerns, ensuring you enjoy complete peace of mind

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$259.99

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ProCom

ProCom ML100TBAHR Ventless Propane Gas Blue Flame Space Heater with Thermostat Control for Living Room, Bedroom, Home Office, 10000 BTU, Heats Up to 300 Sq. Ft., Includes Wall Mount, Black

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•THIS ITEM IS NOT FOR SALE TO RESIDENTS IN CALIFORNIA OR CANADA.
•TECHNOLOGY - 10, 000 BTU Operates off Liquid Propane Gas (Only) Blue Flame Heater which Heats up to 300 sq. ft. Area
•DEPENDABLE - Thermostat Control offers automatically cycles the burner on and off to maintain a desired room temperature. Ideal for greater heat flow that could add the warm atmosphere in your room
•CONVENIENT: Includes a 10-foot hose with a regulator so the heater can operate off a standard 20lb propane cylinder.
•ECONOMICAL - 99. 9% efficient with Vent Free gas burner. No outside duct or chimney needed! Environmental Protection and Energy Conservation
•SAFE - Push button Piezo ignition with Built-in pilot oxygen depletion sensor (ODS) immediately shuts down the heater if carbon monoxide or lack of oxygen is detected
•WARNING - Not approved for use in California or Canada. Please check local codes for permitted use.

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$169.99

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Camco

Camco Olympian Wave-3 Portable Catalytic Safety Heater for RV Use, 3,000 BTU

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Efficient Heating: Camco Olympian Wave-3 Portable Heater delivers 1,600 to 3,000 BTUs of adjustable, catalytic heating to warm spaces up to 100 sq. ft. with no flame, flue, or chimney for easy, safe use
•Versatile Placement: Use the Wave-3 as a portable unit with optional leg stands, permanently mount it, or take it outdoors - its compact design and lack of open flame allow for flexible placement while the self-generating piezo starter heater features a safety shut-off valve and operates silently without a fan or blower
•Durable and Long-Lasting: With a self-generating piezo starter that lasts for 20,000 starts, this heater is built for consistent, reliable performance season after season
•Specifications: Dimensions (L x W x H): 12.6 x 3.9 x 2 inches; Weight: 6.89 pounds; 1,600 to 3,000 BTUs; Heats spaces up to 100 sq. ft.
•WARMTH YOU CAN TRUST: Reliable, high-quality heating solutions and outdoor living products for comfort and enjoyment in any outdoor setting

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$349.99

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Ashley Hearth

Ashley Hearth Products 11,000 BTU Direct Vent Liquid Propane Wall Mounted Heater with Piezo Lightning, Safety Pilot and Built In Regulator, Cream

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Propane Heater: Direct vent wall mounted propane heater produces safe, clean, economical energy, featuring 11,000 BTU indoor gas units that efficiently warm compact spaces while ensuring air quality
•Safety Pilot: Safety pilot with a built in pressure regulator completely stops the flow of gas in the event the pilot is extinguished; For exclusive use with liquid propane only
•Ported Burner: Stainless steel ported burner provides silent on-and-off operation that heats up to 375 square feet and features a sealed burn system that is ideal for bedrooms and living spaces
•Piezo Lighting: Matchless Piezo lighting for quick starts is ideal for bedrooms and living rooms needing efficient ignition for cozy spaces; Approved for use in mobile or modular homes
•Easy to Install: No complicated venting to purchase or install; Complete kit includes a heat shield, air intake pipe, and connecting rod; Dimensions (L x W x H): 17.36 x 6.61 x 20.00 inches

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$379.99

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