Big Buddy® Portable Heater
SPEND $500 — GET $25 STORE CREDIT
Shop eligible products worth $500 or more and receive $25 in RMH Outdoors store credit for your next purchase.
SPEND $1,200 — GET $75 STORE CREDIT
Spend $1,200 or more on eligible products and receive $75 in RMH Outdoors store credit for your next purchase.
Mr. Heater Portable Buddy® Propane Heaters are the Most Popular Portable Heaters in America.
- 4,000, 9,000, or 18,000 BTU per hour
- For use with propane gas
- Heats up to 450 sq. ft.
- Single control start knob
- Hi-Med-Low heat settings
- Swivel regulators
- Automatic low oxygen shut-off system (ODS)
- Accidental tip-over safety shut-off
- Connects to two 1 lb. cylinders
- Connects to a 20 lb. cylinder with optional hose
- The distinctive RED Mr. Heater Buddy that has delivered comfort and safety for decades.
- THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE WARRANTY.
*Due to recent governmental changes to import tariffs, Mr. Heater has removed the fan on some models of the Mr. Heater Big Buddy® (MH18B). We apologize for the inconvenience and confusion this has caused some customers.
- Outdoor radiant propane heater emits 4,000/9,000/18,000 BTU
- Equipped with safety shut-down systems for protection
- Provides 450 sq ft of coverage for up to 11 hours with dual tanks













