Mr. Heater Medium Buddy MH9BX 4,000BTU-9,000BTU Portable Radiant Heater

The Mr. Heater Portable Buddy MH9BX is one of the most popular and reliable propane heaters on the market, designed for both indoor and outdoor comfort. Compact yet powerful, it provides adjustable heat output between 4,000 and 9,000 BTU — ideal for warming up spaces up to 225 square feet.

Built with convenience and safety in mind, the MH9BX features a swivel regulator, easy one-knob ignition, and fold-down handle for effortless portability. Whether you’re heating a garage, tent, cabin, RV, or job site, this heater ensures steady warmth wherever you go.

Features

• Dual heat settings: 4,000 / 9,000 BTU

• Heats up to 225 sq. ft.

• Safe for indoor and outdoor use

• Clean-burning radiant propane heat

• Compatible with 1 lb propane cylinders or larger tanks (with optional hose)

• Easy-start Piezo ignition with single control knob

• Automatic low-oxygen shut-off (ODS)

• Tip-over safety switch for added protection

• Fold-down handle for compact storage and transport

• Durable design built for reliable, long-term performance

Specifications

Perfect For:
Workshops | Camping | Garages | Ice Fishing | RVs | Emergency Heating