Reznor UDXC 60
#5 in GasFull review
A three car garage heater with Reznor’s long warranty, ready for propane out of the box.
Amazon $1,504$1,504
2.9/5
A two car garage heater for buyers who value the longest parts warranty here.
- 37,350 BTU/hHeat
- BothFuel
- NoThermostat
Check price at Amazon$1,389
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 5 year parts warranty, the longest of any heater here
- 83% thermal efficiency
- Diagnostic display shows fault codes, which speeds up repairs
- Light at 62 lb for its output
Cons
- Needs a wall thermostat and venting kit, bought separately
- Costs more than a Modine HD45 of the same output
- Propane needs a conversion kit
The Reznor UDXC family
Every Reznor UDXC model we rank, smallest first. Ratings compare each against its own fuel.
| Model | Heat | Rating | Price |
|---|---|---|---|
| Reznor UDXC 45 (this one) | 37,350 BTU/h | 2.9/5 | $1,389 |
| Reznor UDXC 60 | 49,800 BTU/h | 3.0/5 | $1,504 |
| Reznor UDXC 75 | 62,250 BTU/h | 3.1/5 | $1,520 |
How it scores
The rating comes from 3 measured or published factors, each scored 0-100 against fixed reference points for its fuel. How we rank explains each one.
Specifications
| Model number | UDXC-45 |
|---|---|
| Heat | |
| Heat output | 37,350 BTU/h |
| Gas | Both |
| Efficiency | 83% |
| Venting | Power vented |
| Controls and build | |
| Thermostat | No |
| Digital display | Yes |
| Remote or app | No |
| Weight | 62 lb |
| Warranty | 5 years |
Alternatives in this fuel
Modine Hot Dawg HD125
#6 in GasFull review
A large shop heater from a commercial maker. The Mr. Heater Big Maxx 125 gives similar heat for less.
Amazon $1,552$1,552
Modine Hot Dawg HD75
#8 in GasFull review
A large garage heater from Modine. Reznor’s UDXC 75 costs about the same with a longer parts warranty.
Amazon $1,371$1,371
Compare
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