Mr. Heater Buddy Portable Propane Heater

The Mr.

4.6

HitchHaven score4.6 out of 5 · our editorial rating

9,000 BTU/hr output ideal for small to mid-size RV interiors
Built-in low-oxygen shutoff safety system (ODS)
Automatic tip-over safety shutoff
Clean-burning technology, no odor during operation
Runs on 1 lb propane cylinders or connects to larger tanks with optional hose
Piezo igniter for easy one-button start

Check price on Amazon

As an Amazon Associate we earn from qualifying purchases. Price and availability are shown on Amazon.

Overview Specs Pros & cons Full review Related

The verdict

The Mr. Heater Buddy is a dependable, no-frills propane heater that fits perfectly into the RV and camper accessories category, offering quick, safe, and portable heat for cold-weather trips. Its safety features and simple operation make it a trusted companion for off-grid warmth, though those needing extended runtime should plan for extra propane or a hose adapter.

Spec plate

Heat Output: 4,000–9,000 BTU/hr
Fuel Type: Propane (1 lb cylinder or hose-connected tank)
Burn Time: Up to 3 hours on low per 1 lb cylinder
Weight: 9 lbs
Coverage Area: Up to 225 sq ft

Pros & cons

What we like

Heats up small RV or camper space quickly
Safe indoor use with ODS and tip-over shutoff
Simple to operate with no electricity needed
Portable and lightweight for travel
Reliable in cold weather camping conditions

What to watch

Not rated for continuous unattended overnight use in all states
1 lb propane bottles deplete quickly on long trips
Can create condensation/moisture inside closed RV in humid climates
No built-in thermostat for precise temperature control

Full review

The Mr. Heater Buddy portable propane heater has become a trusted companion for RV owners and campers who refuse to let cold temperatures cut their adventures short. Designed with a clean-burning propane system, this compact heater delivers up to 9,000 BTUs of radiant warmth, making it ideal for heating small to medium-sized spaces such as camper interiors, truck cabs, and tent setups. Its portability is a defining feature, with a sturdy carry handle and lightweight construction that allows it to be easily moved from the RV to a campsite picnic table or garage workspace, giving outdoor enthusiasts flexible warmth wherever they need it most.

Safety is clearly a priority in the engineering of the Buddy heater, which comes equipped with an automatic low-oxygen shutoff sensor and a tip-over switch that instantly cuts off fuel flow if the unit is knocked over. These built-in safeguards make it a reliable choice for RV and camper use, where space is often tight and ventilation can vary. The heater also includes a piezo igniter for simple, match-free startup, and its fold-down handle doubles as an on/off control and regulator knob, simplifying operation even for those new to propane heating equipment. This thoughtful design minimizes fuss while maximizing peace of mind during chilly nights on the road.

Compatible with both small disposable propane cylinders and larger refillable tanks via an optional hose and filter assembly, the Mr. Heater Buddy offers versatility that suits a range of camping and RV lifestyles. Whether you're parked at a remote boondocking site without electrical hookups or settled into a campground during shoulder season, this heater provides dependable heat without draining your battery reserves. Its durable metal housing and wire guard are built to withstand the rigors of travel, making it a long-lasting addition to any RV or camper's climate control setup, ensuring comfort remains part of the journey no matter how far the temperature drops.

See Mr. Heater Buddy Portable Propane Heater on Amazon