Mr. Heater Big Buddy Portable Propane Heater (18,000 BTU) with Tank Refill Adapter

All-Season Warmth, Wherever You Go

From freezing garages to drafty cabins and chilly camping nights, the Mr. Heater Big Buddy delivers maximum heat performance with unmatched portability and peace of mind. With an impressive 4,000–18,000 BTU output, this propane heater is your go-to solution for keeping spaces up to 450 sq. ft. warm and cozy.

✅ Key Features & Benefits

3 Heat Settings – 4,000 / 9,000 / 18,000 BTU
Customize your comfort level and fuel usage with adjustable heating power.

Wide Heating Coverage
Heats up to 450 sq. ft. — ideal for garages, workshops, cabins, tents, ice fishing huts, and more.

Propane Refill Adapter Included
Easily refill your propane tanks and keep warm without interruption.

Effortless Controls & Portability
Features a fold-down handle, swivel-out fuel connection, and easy-start dial for quick ignition and smooth operation.

Advanced Safety Systems
Includes Oxygen Depletion Sensor (ODS) and Tip-Over Shutoff to ensure safe indoor use.

Safe, Reliable Heat When You Need It Most

Built with safety in mind, the Big Buddy is certified indoor-safe, equipped with smart sensors that shut off the unit in low oxygen or accidental tip situations. It's the trusted choice for heating enclosed spaces when the temperatures drop.

What’s Included:

Mr. Heater Big Buddy Portable Propane Heater

Brass Propane Tank Refill Adapter

Manufacturer’s Warranty (USA Authorized Dealer)

Specs at a Glance:

Heating Area: Up to 450 sq. ft.

BTU Output: 4,000 / 9,000 / 18,000

Fuel Type: Propane Gas

Safety Features: ODS, Tip-Over Auto Shutoff

Portability: Fold-down handle, compact body

Fan: Not included

Warranty: Manufacturer Warranty Included

Ideal For:

❄️ Garages & Workshops

🏕️ Camping, Ice Fishing, Tents

🏠 Power Outages & Emergency Heating

🛠️ Construction Sites & Outdoor Workspaces

“Easy to use, heats fast, and keeps my whole garage warm even on snowy days!”
“Perfect for our tent during cold fall nights. Feels safe and super efficient.”
“The refill adapter is a game changer — no more small tanks running out.”

🚚 Fast & Free Shipping | 🔁 30-Day Guarantee | 🛡️ Secure Checkout

Bring heat, safety, and comfort wherever your adventures take you.
🎯 Get the Mr. Heater Big Buddy today — and stay warm no matter what!