Modine Hot Dawg HD30
#12 in GasFull review
Vented gas heat for a one car garage from a long running commercial heater maker. You pay a lot per BTU at this size.
Amazon $998.99$998.99
The Modine Hot Dawg HD30 is the better garage heater overall, rated 2.2 to 2.2. The Modine Hot Dawg HD30 costs $201 less ($998.99 vs $1,199.99).
Modine Hot Dawg HDS30
#13 in GasFull review
A sealed combustion heater for a small woodshop or a garage with fumes or dust in the air. Pay the premium only if you need that.
Amazon $1,199.99$1,199.99
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every gas garage heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Modine Hot Dawg HD30 | Modine Hot Dawg HDS30 |
|---|---|---|
| Overall rating | 2.2/5 | 2.2/5 |
| Value 40% | 6 $40.12 per 1,000 BTU ($998.99, 24,900 BTU/h) | 0 $48.19 per 1,000 BTU ($1,199.99, 24,900 BTU/h) |
| Controls 25% | 40 electronic ignition | 40 electronic ignition |
| Warranty 35% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Modine Hot Dawg HD30 | Modine Hot Dawg HDS30 | |
|---|---|---|
| Heat | ||
| Heat output | 24,900 BTU/h | 24,900 BTU/h |
| Gas | Both | Both |
| Efficiency | 83% | 83% |
| Venting | Power vented | Direct vent |
| Controls and build | ||
| Thermostat | No | No |
| Remote or app | No | No |
| Electronic ignition | Yes | Yes |
| Warranty | 2 years | 2 years |