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1-Year Houseware Protection Plan

from Assurant Solutions
  • Delivered by e-mail; register and file claims online or by phone
  • We will fix the item, replace or pay up to the original purchase cost of the item. Zero deductible
  • Fully transferable if you give as a gift
  • Cancel anytime for a full refund within the first 30 days

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Mr. Heater 35,000 BTU Propane Forced-Air Heater #MH35FA

4.3 out of 5 stars 119 customer reviews
| 31 answered questions

Price: $109.99
Sale: $99.99 + $14.06 shipping
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  • 35,000 Btu forced-air propane heater
  • Ideal for smaller industrial/commercial workspaces; heats up to 800 square feet
  • Runs up to 12 hours
  • Requires 20-pound propane tank (not included); 10-foot hose and regulator included
  • Adequate combustion and ventilation air must be provided; 1-year limited warranty
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$99.99 + $14.06 shipping In stock. Usually ships within 2 to 3 days. Ships from and sold by Northern Tool + Equipment.

Frequently Bought Together

  • Mr. Heater 35,000 BTU Propane Forced-Air Heater #MH35FA
  • +
  • Sportsman LPHK5 5-Foot Propane Regulator Hose Kit
Total price: $123.98
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Product Description

Product Description

The Mr. Heater Portable 35K Forced Air Propane heater offers efficient temporary heat for construction sites, agricultural buildings, industrial workspaces, remodeling jobs and more. Features a high-output fan to maximize air circulation, 10-ft. hose and regulator (tank sold separately). High-temperature limit switch/flame safety. Compact and lightweight with attached carrying handle. CSA certified.

Amazon.com

The MH125FAV is the least powerful of Mr. Heater's line of propane forced-air heaters for smaller jobs (see the MH55FAV and the MH85FAV). The heater gives you 35,000 Btu--enough to heat 800 square feet. Though the larger models give you more Btus, each heater in the line shares the same basic features, including an automatic shutoff with loss of flame or power supply and a high-output fan that circulates heat quickly. Hooking the heater up to the 20-pound propane cylinder (not included) is easy, and the 10-foot hose and regulator are included. CSA certified. One-year limited warranty.--Josh Dettweiler

What's in the Box
Heater (heater body kit, control box assembly, valve with thermocouple, wire assembly, electrode, high limit switch [240 degrees F], thermocouple, motor 0.74 A, grille assembly, fan blade, 6.75 x .75 pitch, power, cord assembly, strain relief bushing, piezo ignitor, clip handle, handle), 10-foot hose, regulator, operating instructions and owner's manual

Five Tips for Buying a Heater
Choosing a space heater is a matter of sifting through a bewildering array of types, power ratings, and fuel sources. Let's break it down a little to make the process easier.

What are the different types of space heaters?

  • Radiant heaters emit infrared radiation that directly warms the objects in front of the heaters (rather than the surrounding air). If you only need heat by a desk or in a small section of a room, a radiant heater is quiet and will use very little power.
  • Forced-air heaters use a fan to blow air that has been warmed by metal or ceramic heating elements. A forced-air heater is appropriate for quickly heating up a small- to medium-sized room, but can be noisy.
  • Convection heaters draw cold air from the floor; the air is warmed by heating coils and emitted from the top of the heater. A convection heater is appropriate for quickly heating up a small- to medium-sized room, but also can be noisy.
  • Radiators work by heating oil enclosed in a reservoir, gradually heating the surrounding air. If heating speed isn't an issue, you might want to opt for a radiator. These are extremely quiet and effective--perfect for bedrooms.

Should I buy an electric or a combustion model?
If you want a heater that will be available in emergencies, or that can heat areas larger than a single room, choose a "combustion" model--one that is powered by a gas or fuel like propane, kerosene, natural gas, or diesel. Which fuel type you choose depends largely on convenience and local availability. For example, diesel would be appropriate for a heater you take with you on long car trips.

How powerful a heater do I need?
Heaters are rated by BTU, which stands for British Thermal Unit (the amount of heat needed to heat one pound of water by 1 degree F). To find out how many BTU you need:

  • Calculate the volume of the space to be heated by multiplying square footage by height.
  • Multiply that number by 4 if your insulation is poor, 3 if it's average, or 2 if it's good.
The resulting number is a ballpark figure for how many BTU you'll need.

Do space heaters cost a lot to operate?
As a general rule, electric space heaters are more expensive to use than combustion models. To ensure energy efficiency, a thermostat is a must-have feature for any heater. For radiant heaters, models with a 360 degree heating surface can heat larger spaces. If you need a forced-air heater, models with ceramic elements tend to be more efficient.

Are space heaters a fire hazard?
Space heaters are implicated in about 25,000 residential fires every year. To ensure proper safety, always follow the manufacturer's usage instructions and fill out the warranty card to receive informational updates from the manufacturer. Also, look for extra safety features such as an automatic shutoff switch that can shut down the unit if, for example, it gets upended. In addition, choose a model where the heating element is adequately enclosed within the unit.


Product Information

Product Dimensions 20.6 x 9.8 x 12.8 inches
Item Weight 17 pounds
Shipping Weight 16 pounds (View shipping rates and policies)
Department Tools
Manufacturer Mr. Heater
ASIN B0000C6E3H
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
California residents Click here for Proposition 65 warning
Item model number F270035
Customer Reviews
4.3 out of 5 stars 119 customer reviews

4.3 out of 5 stars
Best Sellers Rank #586,832 in Home and Kitchen (See Top 100 in Home and Kitchen)
#124 in Patio, Lawn & Garden > Outdoor Heating > Patio Heaters

Technical Specification

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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From the Manufacturer

Forced Air Propane Heaters

Mr. Heater Contractor Series Forced Air Propane Heaters range from 38K to 400K BTU’s and are built to last with high quality components. Typical uses include: Construction sites, patios, factories, sporting events, utility and out buildings, and farming functions, (barns etc.).

How Much Heat Do you Need?

You can calculate the amount of BTUs required by using the following method: Measure the space’s dimension to determine cubic feet. (Length x Width x Height = Cubic Feet). Subtract the outside temperature from the desired inside temperature to determine the temperature increase. If you have measured temperature in Fahrenheit, calculate the required BTUs with this formula: (Cubic Feet x Temperature Increase x . 133 = Required BTUs) If you have measured temperature in Celsius, calculate the required BTUs with this formula: (Cubic Feet x Temperature Increase x . 2394 = Required BTUs.)

Mr Heater F270035-MH35FA Features:
  • Heats approximately 800 sq. ft.
  • Runs up to 12 hrs. on 20lb. tank
  • High temperature limit switch
  • Piezo ignition
  • 10’ hose and regulator included
  • CSA certified
Mr Heater MH35FA Specifications:

F270035-MH35FAB0000C6E3H

F270085-MH85FAVB000UPR5OO

F270125-MH125FAVB0000C6E3K

F270170-MH170FAVTB0000C6E3L

F272425-MH400FAVTB000AGVB34
Fuel (Propane)
Thermostat Included
Continuous Igniton
Assembly Required
Overheat Safety Shutoff

Compare to Similar Items


This item: Mr. Heater 35,000 BTU Propane Forced-Air Heater #MH35FA
Customer Rating 4 out of 5 stars (119) 4 out of 5 stars (251) 4 out of 5 stars (1559) 4 out of 5 stars (259)
Price $99.99 $86.55 $81.26 $44.15
Shipping $14.06 FREE Shipping FREE Shipping FREE Shipping
Sold By Northern Tool + Equipment Amazon.com Amazon.com Amazon.com
Color Black Grey/Black Red-black Multicolored
Dimensions 12.75 inches x 20.63 inches x 9.75 inches 14.76 inches x 20.08 inches x 10.04 inches 14.37 inches x 8.97 inches x 14.17 inches 12.75 inches x 9.75 inches x 8 inches
Item Package Weight 16 pounds 19.25 pounds 9.9 pounds 3.31 pounds
Add to Cart Add to Cart Add to Cart Add to Cart

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
First, let me say this little heater puts out a lot of heat. It heats up my 2-car garage quite nicely. That said, I do have to leave the personnel door cracked open, first because I leave the propane cylinder outside and it connects to the heater via the hose. Second, I need fresh air. So do you. Don't try to operate this heater without having fresh air for yourself. It is easy to start. Make sure the fan is running before you try to start it. There's even a warning in the instructions for that. It is a little noisy but you can have a conversation standing next to it if you raise your voice a little. You do need to hold the button down for awhile until it has had a chance to get going. It'll seem like a long time and your finger will probably get a little sore. Seconds will seem like minutes when it's hurting your finger. If you let go too soon, it will quit. Just follow the directions and you'll be fine. Also, I was surprised when it quit once even though it had almost full tank of propane and had been running fine for 20 minutes or so. The reason? It was 14 degrees outside and the propane couldn't evaporate fast enough in the tank to keep it running. The outside of the tank will take on a white snowy appearance when this happens. There's nothing wrong with your heater if this happens. It just means that it's too cold for the propane to turn from liquid to gas. You don't have that problem with your gas grill because it's usually warmer outside when you're grilling. Lastly, remember that it might seem like a good idea to warm your propane tank using your heater, but keep your propane tank away from the heater; the entire distance of the hose is my advice.
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It's a bit loud and I wish there was a setting to control the amount of heat (it's either full on or off) but for the money it can't be beat. I have a 2 car garage shop and it will make the room warm within about 20 minutes.
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Verified Purchase
The heater arrived in picture-perfect condition two days after I ordered it. Within five minutes, after UPS left, I had it set up and making heat. It has worked flawlessly for several days now. Starts right up every time and heats up my two-car garage in about twenty minutes. Yes, it is a little noisy, but that is characteristic of these types of heaters.

I highly recommend this heater. For the price, you can't beat it...
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Verified Purchase
I bought this heater for my garage.It is the nicest heater i have ever used.Being propane you don't have the stinky fumes like a kerosene heater.Its 35000 btu and has a forced air fan.It did a good job heating my garage.I would very much recommend this heater.It is very easy to use. All you need is a propane bottle.
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Verified Purchase
I am a home improvement contractor and I am very impressed with this little heater. it put out a tremendous amount of heat for a small unit. Allows me to install doors and windows in the winter without me or my customers freezing.
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Verified Purchase
I purchased this for my husband. He had been looking at similar ones for our garage. In addition I purchased a gas watch connector so that he could see when the level of gas was low. It heats up our 400 square foot garage with no problems. It's extremely easy to use right out of the box, hook a propane bottle up to it and plug it in (for the fan). Very happy with this purchase.
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By Stream6 on February 17, 2013
I bought this with the intention to heat a two bay repair shop. It works GREAT and in 5 seconds it is going. I know my shop is very well insulated but I dont have to run the heater over two hours combined in a day. The secret is aim a fan at the ceiling and keep the air moving so the hot air stays stirred up and equal.
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Verified Purchase
Bought this to heat up my garage when I need to do a project in the winter (I'm in the Northeast). Amazon had the best price - prompt delivery. It does a good job(my garage is about 400 sq-ft), uses a standard 20# propane tank . Nice and compact for storage when you're not using it.
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