A 1 lb cylinder will last approximately 5.4 hours on low or 2.4 hours on high.
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Buddy FLEX Portable Omni-Directional Radiant Propane Heater, 11,000 BTU, Model# MH11BFLEX

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- Emits 6,000 – 11,000 BTU/hr radiant heat
- Designed and approved for indoor and outdoor use
- Heats up to approximately 275 square feet
- Runs up to 3.5 hours on low and 2 hours on high
- Constructed with self extinguishing materials
Prop 65 Warning: See Details
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Heater

Features + Benefits
- Emits 6,000 – 11,000 BTU/hr radiant heat
- Designed and approved for indoor and outdoor use
- Heats up to approximately 275 square feet
- Runs up to 3.5 hours on low and 2 hours on high
- Constructed with self extinguishing materials
- Integrated electronic ignition
- Omni-directional fiber mesh burner
- Thermal shut-down system
- High wind resistance technology
- Infinitely variable output control for efficient fuel consumption
- Integrated heater and accessory controls
- Integrated accessory safety shut-off
- Quick-connect gas and accessory system
- Directly connects to 1 lb disposable propane cylinders
- Connects to 20 lb cylinder with optional hose and filter
- Suitable for recreational or professional use
- Clean burning and odor-free
- Clean burning and odor-free
- Ideal for tents, campsites, porches, tailgating, hunting, ice fishing, garages, workshops, and power outages
Key Specs
| Attribute | Specification |
|---|---|
item# | 98364 |
Brand | Mr. Heater |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 13.47 LB |
Heat Type | Radiant |
Heat Output | 11,000 Btu/hour |
Heating Capability | 275 ft² |
Hardwired | No |
Indoor-Outdoor Use | Indoor |
Assembled Width | 9 in |
Assembled Height | 14.25 in |
| Attribute | Specification |
|---|---|
Assembled Depth | 13.5 in |
Needs Direct Venting | No |
Power Cord Length | 0 ft |
Remote Included | No |
Regulator Included | No |
Tip-Over Safety Switch | Yes |
Blower Included | No |
Oscillating | No |
Product Weight | 10.8500 lb |
Dimensions L x W x H (in.) | 13.5 x 9.0 x 14.25 in |
Reviews
Questions & Answers
Questions
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· 2 years ago
How long does it last connected to a 1lb propane tank?
1 answer-
ProductExpert11· 2 years ago
Helpful?
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· 3 years ago
Does it take the small spin on propane canisters? Does it take the small spin on propane canisters? What are its dimensions height depth width.
1 answer-
ProductExpert37· 3 years ago
The connection for the propane tank accepts standard universal 1 lb. propane tanks. The dimensions are 14.18 x 12.25 x 15 in L x W x H.
Helpful?
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· 3 years ago
If it doesn’t start can you spray starter fluid in it?
1 answer-
ProductExpert6· 3 years ago
You could not use starter fluid with this heater to start it.
Helpful?
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· 3 years ago
What is the size of the gas hook up, is it a standard size for a large propane tank?
1 answer-
ProductExpert5· 3 years ago
The connection for the propane tank is standard for a 1 lb cylinder.
Helpful?
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· 4 years ago
Can you run heater and cook at the same time?or do you have to hookup cooker to propane tank directly?
1 answer-
ProductExpert6· 4 years ago
The cooker is sold separately and is item #98365. The cooker would need to be connected directly to the heater and the propane tank to the heater to use the cooker.
Helpful?
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· 5 years ago
Can this be used on a screen porch.
1 answer-
ProductExpert12· 5 years ago
This heater is safe to use on a screen porch.
Helpful?
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· 5 years ago
What is the run time at medium output for the 1lbs cylinder?
1 answer-
ProductExpert38· 5 years ago
On medium, this will run for about 2.75 hours on a 1 lb. cylinder.
Helpful?
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· 5 years ago
How many hours of run time at 5500 BTU's on the 20lb tank?
1 answer-
ProductExpert12· 5 years ago
The runtime with a 20lb. tank at 5,500 BTU’s is approximately 70 hours.
Helpful?
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· 5 years ago
Is the burner separate?
1 answer-
ProductExpert11· 5 years ago
The burner model number MH8CFLEX (item number 98365) is sold separately.
Helpful?
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· 6 years ago
What size propane tank does this unit take
1 answer-
ProductExpert38· 6 years ago
This heater will work on a 1 lb. cylinder, or a 20 lb. tank.
Helpful?
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Accessories We Recommend
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Warranty
Manufacturer's Warranty
1 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Replacement Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
Compare with Most Popular in Portable Propane Heaters
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Item # 98364
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Item # 21939
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Specifications
Radiant
Radiant
Radiant
Radiant
11,000 Btu/hour
15,000 Btu/hour
4,000 Btu/hour
9,000 Btu/hour
275 ft²
-
100 ft²
225 ft²
No
No
No
No
Indoor
Outdoor
Outdoor
Indoor and Outdoor
9 in
8 in
-
9 in
14.25 in
11.25 in
-
14.25 in
13.5 in
9 in
-
14.25 in
No
No
No
No
0 ft
-
-
-
No
No
No
No
No
Yes
Yes
-
Yes
-
-
-
No
No
No
No
No
-
-
-
10.8500 lb
lb
lb
lb
13.5 x 9.0 x 14.25 in
8.0 x 9.75 x 12.75 in
12.0 x 9.75 x 12.0 in
7.0 x 13.0 x 15.0 in
-
3
-
2






