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Mr. Heater Portable Buddy 9,000 BTU Propane Radiant Space Heater - MH9BX

4.5 stars out of 6249 reviews
(4.5)|
6,249 ratings

Key item features

  • Powerful Heating: Emits 4,000 or 9,000 BTU/hr radiant heat, capable of warming up to approximately 225 square feet, suitable for both indoor and outdoor use.
  • Extended Operation: Runs for 5.4 hours on low and 2.4 hours on high with a 1 lb propane cylinder, with an option to connect to a 20 lb cylinder using an optional hose and filter.
  • Enhanced Safety: Features an emergency low oxygen safety system, accidental tip-over switch, and thermal shut-down system for user protection.
  • Effortless Ignition: Equipped with a single control knob start and a piezo igniter for quick and easy operation, along with a swivel regulator for simple propane installation.
  • Clean Performance: Designed to be clean burning and odor-free, constructed with self-extinguishing materials, and CSA Certified for safety standards.
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was $119.00
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Mr. Heater Portable Buddy 9,000 BTU Propane Radiant Space Heater - MH9BX $89.00 Was $119.00

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4.5 out of 5 stars
stars6,249 ratings2,851 reviews
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Showing 1-3 of 2,851 reviews

Jan 5, 2026
wendell
Top Reviewer
Item details
Color: 1 Pack
5 out of 5 stars review

Verified Purchase

Old reliable

I’ve got one that’s 15 years old, occasionally it will just go out but always relights, the operation of the thermocouple seems inconsistent but it has never failed as backup heating for my house. I bought this new one for my camper and it’s excellent, pilot stabilizes easily and heater lights quickly, infrared with no fan is the only way IMHO .

Helpful?ae790350-0b0e-11f1-8e30-63e7131886fb55234301
Dec 20, 2025
guydiver
Item details
Color: 1 Pack
5 out of 5 stars review

Verified Purchase

Works great with the right supply hose

Just get a genuine Mr. Heater gas hose if you use a portable tank. Don't use cheap ones from a big box store or online. They will slowly stop up the heater and getting it running again is next to impossible.

Helpful?ae790350-0b0e-11f1-8e30-63e7131886fb55234301
Feb 5, 2026
Jeanne
Top Reviewer
Item details
Color: 1 Pack
5 out of 5 stars review

Verified Purchase

Product great shipping sucks

Thank goodness I was on the phone because when the notification came it was delivered I was in bed for the night. The delivery driver left on the side of the ROAD. Didn’t come down our CLEARED driveway. I’ve already had one item stolen from the delivery incompetence. Got out of bed and drove 4 aces to mailbox. Checked immediately and it works perfectly. Happy with purchase NOT with delivery. 🤬

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