Buy Mr. Heater Big Maxx 45,000 BTU Natural Gas Garage Unit Heater #MHU45NGMr. Heater Big Maxx 45,000 BTU Natural Gas Garage Unit Heater #MHU45NG Product Description:
- Efficient and effective convection heat for up to 700 sq. ft.
- Attractive low profile design
- Easily installs from ceiling
- Power exhaust allows for vertical or horizontal venting
- Features self-diagnostic control module
Product Description
The MHU45NG is a natural gas fired, forced air convection heater. This unit is ideal when ceiling heights do not allow for infrared heaters to be used. It easily installs from the ceiling with included angle brackets. Unit has power exhaust which allows for both vertical or horizontal venting. Unit is thermostatically controlled and includes a spark ignition system with self diagnostic control module. This CSA certified heater will heat up to 700 square feet and comes with a three year limited warranty on the parts and the burner and a ten year warranty on the heat exchanger.
Customer Reviews
Most helpful customer reviews
12 of 12 people found the following review helpful.
By Northern MN Big Maxx owner
I have had the 45,ooo btu Big Maxx heater now for about 4 years. Every winter is a new set of repairs and continued repairs to keep it working. I leave my step ladder set up next to it because I am constantly working on it to keep it heating. I have ordered my 4th circut board to be put in this time. There is a bad connection in it now so I have touch the circut board everytime I want it to start heating. The others were shorted out because there is no fuse on the circut board. I would recommend spending a little more money and getting a better, lower maintenance heater.
24 of 30 people found the following review helpful.
By L. Sprinkle
We used an unvented natural gas heater in our garage for several years. With many more cold days this past winter, we began having concerns with the excess amount of moisture and condensation produced by non-venting. Having already roughed-in the electrical and thermostat wiring for a unit heater when the garage was built, we decided it was time to switch to a vented heater.We looked at the Modine and Big Maxx heaters and selected the Big Maxx 45 when it went on sale for $399 at Northern Tool. We ordered the heater and had it shipped to a store in our area to avoid shipping charges. The heater arrived much quicker that we anticipated. Our original plan was to install the heater sometime during the summer and be ready for next winter. The next weekend was nice weather so we decided to go ahead and install the Big Maxx.Since the heater needed to mount at a 45 degree angle to the room, we mounted unistrut channel to the ceiling joists and mounted the heater thereto. We used category I gas vent from Lowe's. Installation was simple and straight forward. Then we turned the heater on.The induced draft motor made a LOT of noise and vibration. Then the blower fan came on and you needed hearing protection to stay in the room. In the bedroom above the garage, it actually sounded like someone was running a couple of hammer drills. Being an engineer, I inspected both blowers to see why they vibrated so badly. The induced draft blower had a nice looking squirrel cage blower but the shaft hole was drilled off center. The next day we took the heater down, boxed it up and returned it to Northern as defective.Next we ordered a Modine heater. Installation was a little more complicated because we already had the hole in the wall for the vent. We mounted this heater slightly differently to take advantage of the existing hole. This heater required Category III venting for our installation so we ordered Z-Vent online. The Modine heater is quiet as a mouse. As they say, "you get what you pay for".
9 of 10 people found the following review helpful.
By Jim Olson
I bought this unit in Nov 2007. I have had trouble with it from day one. The company has been good to work with ( they sent replacement parts) but it just stopped working again. Parts come but takes 2 weeks or so. They don't rush it. 3 times now in 4 months. It is garbage and should be recalled and taken off the market. Spend more or get a different brand but stay away from this. I put one star only because that was as low as it would go.
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