Newair G73
#14 in ElectricFull review
A light, simple 5,000 W heater with a 2 year warranty for a one car garage. Cheaper heaters put out the same heat.
Amazon $279.99$279.99
The Newair G73 rates 2.6 among electric garage heaters; the Modine Hot Dawg HD30 rates 2.2 among gas ones. The Newair G73 costs $719 less ($279.99 vs $998.99).
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
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
These two sit in different fuel classes (electric and gas), and each is scored against the reference points for its own class, so a rating says how well each does among its own fuel peers. How we rank explains each factor.
| Factor weight | Newair G73 | Modine Hot Dawg HD30 |
|---|---|---|
| Overall rating | 2.6/5 | 2.2/5 |
| Value 40% | 23 $16.41 per 1,000 BTU ($279.99, 17,060 BTU/h) | 6 $40.12 per 1,000 BTU ($998.99, 24,900 BTU/h) |
| Controls 25% | 50 thermostat | 40 electronic ignition |
| Warranty 35% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Newair G73 | Modine Hot Dawg HD30 | |
|---|---|---|
| Heat | ||
| Heat output | 17,060 BTU/h | 24,900 BTU/h |
| Power | 5,000 W | - |
| Voltage | 240 V | - |
| Gas | - | Both |
| Efficiency | - | 83% |
| Venting | - | Power vented |
| Rated garage | 500 sq ft | - |
| Controls and build | ||
| Thermostat | Yes | No |
| Digital display | No | - |
| Remote or app | No | No |
| Electronic ignition | - | Yes |
| Weight | 15 lb | - |
| Warranty | 2 years | 2 years |