Comfort Zone CZ230ER
#2 in ElectricFull review
The best priced 7,500 W heater with a digital thermostat and remote, for a two car garage. The warranty is short.
Amazon $144.97$144.97
The Comfort Zone CZ230ER is the better garage heater overall, rated 3.5 to 2.9. The Mr. Heater 5,000W 240V Garage Heater costs $15.97 less ($129 vs $144.97).
Mr. Heater 5,000W 240V Garage Heater
#12 in ElectricFull review
A cheap 5,000 W ceiling heater for a small garage. Buy the Comfort Zone CZ220 instead if you want a known thermostat and warranty.
Amazon $129$129
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 electric garage heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Comfort Zone CZ230ER | Mr. Heater 5,000W 240V Garage Heater |
|---|---|---|
| Overall rating | 3.5/5 | 2.9/5 |
| Value 40% | 81 $5.67 per 1,000 BTU ($144.97, 25,590 BTU/h) | 65 $7.56 per 1,000 BTU ($129, 17,060 BTU/h) |
| Controls 25% | 100 thermostat, digital display, remote or app | 50 controls not published (neutral score used) |
| Warranty 35% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Comfort Zone CZ230ER | Mr. Heater 5,000W 240V Garage Heater | |
|---|---|---|
| Heat | ||
| Heat output | 25,590 BTU/h | 17,060 BTU/h |
| Power | 7,500 W | 5,000 W |
| Voltage | 240 V | 240 V |
| Rated garage | 1,250 sq ft | - |
| Controls and build | ||
| Thermostat | Yes | - |
| Digital display | Yes | - |
| Remote or app | Yes | - |
| Weight | - | 19.5 lb |
| Warranty | 1 year | - |
| Released | - | 2025-04-17 |