Mr. Heater 4,000 - 18,000 BTU Big Buddy Heater

Mr. Heater 4,000 - 18,000 BTU Big Buddy Heater

Mr. Heater
SKU:
F274805
(No reviews yet)
$159.99
Width:
24.00 (in)
Height:
15.00 (in)
Depth:
15.00 (in)
Shipping:
Free Shipping
Current Stock:
1
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Description

Mr. Heater Big Buddy Portable Heater F274805

The Mr. Heater Big Buddy F274805 is the ultimate indoor-safe propane heater for spaces up to 450 sq ft. With 4,000–18,000 BTU and 2 heat settings, it delivers clean, quiet radiant heat for camping, garages, RVs, or emergency use. Indoor-safe with built-in low oxygen sensor and tip-over shut-off.

Built for Portability & Power

  • 4K–18K BTU – Adjustable for precise warmth
  • Heats 450 sq ft – Larger than Little Buddy
  • 1-lb cylinder – Up to 5.4 hrs on high
  • 20-lb tank compatible – 220 hrs on low (hose separate)
  • Carry handle & fold-down stand – Easy transport
  • One-knob control – Simple Hi/Low operation

Safety & Compliance

  • Low oxygen shut-off – Auto-stop if O2 drops
  • Tip-over safety – Shuts off if tipped
  • Approved for indoor use – Ventilated areas only
  • No electricity needed – Runs on propane

Specifications

FeatureDetails
Model F274805
BTU 4,000 – 18,000
Heating Area Up to 450 sq ft
Fuel Propane (1-lb or 20-lb tank)
Run Time 5.4 hrs (high, 1-lb); 220 hrs (low, 20-lb)
Weight 17.6 lbs
Safety Low oxygen shut-off, tip-over shut-off
Control One-knob Hi/Low
Use Indoor (vented), outdoor, camping, RV, garage
Warranty 1 Year Limited

Why Choose Mr. Heater Big Buddy?

The Big Buddy F274805 is Mr. Heater’s bestseller for reliable, portable heat – warm up your space today!

Warranty
Standard Manufacturer's Warranty
Additional Information
Product Type:
Heaters