Mr. Heater Natural Gas Garage Heater — 45,000 BTU, Model# MHU45NG
In Stock
Customer Product Rating
Overview
Quiet, vented heater for residential and commercial use easily heats 2- to 3-car garage. Requires only 1in. clearance from ceiling with 2 included angle brackets which means heater is up and out of the way. Power exhaust allows for vertical or horizontal venting. Customers are responsible for checking their local codes and Ordinances for approved installation and usage.
Venting kit required (sold separately, Item#s 173640 or 173642). Optional thermostat also available (sold separately, Item# 173641).
Features + Benefits
- Heats 2- to 3-car garage
- Requires only 1in. clearance from ceiling
- Power exhaust allows for horizontal or vertical venting
- Designed for right or left side piping, electrical and flue connections by simply rotating 180°
- Tubular heat exchanger
- Note: Due to BTU loss through exhaust gases, heater runs at approx. 81% operating efficiency
- Venting kit required (sold separately, Item#s 173640 or 173642)
- Optional thermostat also available (sold separately, Item# 173641)
Content Links
 | Heaters Buyer's Guide |
 | 173636 Product Manual |
Key Specs
Heating Application | Construction, Garage |
Vent-Free | No |
BTU Output | 45,000 |
Blower Included | Yes |
Fuel Type | Natural gas |
Igniter | Spark |
Thermostat Included | No |
Remote Included | No |
Oxygen Depletion Sensor | No |
Dimensions L x W x H (in.) | 25 1/2 x 19 x 12 |
Manufacturer Warranty | 12 months parts / 12 months labor |
Ship Weight | 70.0 lbs |
Item# | 173636 |
Brand
|
Shop for Mr. Heater |
Items You'll Need
Add
| Vertical-Mount Vent Kit For Mr. Heater 45,000 BTU Garage Heaters — 3in. Flue Pipe Temporarily Backordered — ships in 3 to 8 business days |
Item# 173640 | Only $119.99 | ||
| Horizontal-Mount Vent Kit For Mr. Heater 45,000 BTU and 75,000 BTU Garage Heaters — 4in. Flue Pipe In Stock |
Item# 173642 | Only $119.99 |
Items We Recommend
Add
| Mr. Heater Universal Gas Connection Kit, Model# F271239 In Stock |
Item# 172712 | Only $26.99 |
Add
| 24 Volt Thermostat For Mr. Heater Garage Heaters In Stock |
Item# 173641 | Only $34.99 |
Manufacturer Warranty: 12 months parts / 12 months labor
Protect Your Purchase Beyond The Manufacturer's Warranty With Service Protection Plus!
| Extended Service Plan Description (learn more) | 1 Year | 2 Year |
|---|---|---|
| Replacement Plan | $49.99 More Info | $69.99 More Info |
| Accidental Damage Replacement Plan | $79.99 More Info | $99.99 More Info |
Related Products
You may be interested in these Natural Gas Heaters
See All
4.6 / 5
4.7 / 5
4.3 / 5
4.5 / 5
Item# 173636
Item# 173950
Item# 174983
Item# 173962
Only $469.99
Only $219.99
Only $499.99
Only $169.99