Comfort Zone CZ230ER vs Heat Storm HS-1500-PHX-WIFI
Comfort Zone CZ230ER
Heat Storm HS-1500-PHX-WIFI
The short answer
Comfort Zone CZ230ER comes out ahead overall with 7.0/10 against 6.3/10 for the Heat Storm HS-1500-PHX-WIFI. Comfort Zone CZ230ER is stronger on heating performance, health & materials and value. Heat Storm HS-1500-PHX-WIFI is stronger on noise & sleep-friendliness and bedroom usability. At current verified prices, the Heat Storm HS-1500-PHX-WIFI costs about $9.98 less.
- Choose the Comfort Zone CZ230ER if: Owners of a two- to three-car or drafty garage with a 240V/40A hardwired circuit who want the most output and remote/timer control for the money.
- Choose the Heat Storm HS-1500-PHX-WIFI if: Owners of small or insulated garages and garage gyms with no 240V circuit who want app or voice control.
Scores by criterion
| Criterion | Comfort Zone CZ230ER | Heat Storm HS-1500-PHX-WIFI |
|---|---|---|
| Noise & Sleep-Friendliness | 4.5Fan-forced blower, loud like every 240V unit here. | 6.0No rated dB; an owner (Slickdeals) reports audible fan noise; quieter than 240V blowers but not silent. |
| Safety | 7.0Overheat shutoff and ceiling mounting; the ETL listing comes only from retailers (Lowe's, Bomgaars). | 7.0Tip-over and overheat protection per Bob Vila (Woodsmith conflicts); no UL/ETL listing confirmed; wall-mounted. |
| Heating Performance | 8.57.5kW is the top output in the pool; Bob Vila reports it put out plenty of heat but gives no measured data. | 4.51.5kW suits only small or insulated spaces. |
| Bedroom Usability | 7.0Digital thermostat, remote and timer; no pigtail or clamp included and no memory after a power loss. | 8.5Wi-Fi, voice, digital thermostat and remote; the 3 ft cord limits placement. |
| Health & Materials | 7.5No combustion; the enclosed-motor claim comes only from a retailer. | 7.0Plastic-fronted housing; no combustion; no recall found. |
| Value | 9.0$145 for 7.5kW is the best output per dollar here; electrician cost possible. | 6.0$150 for 1.5kW is expensive, though you need no electrician. |
Specifications
| Spec | Comfort Zone CZ230ER | Heat Storm HS-1500-PHX-WIFI |
|---|---|---|
| Heater type | Fan-forced ceiling-mount unit heater | Infrared wall-mount (plug-in) |
| Fanless (no blower) | No | No |
| Tip-over shutoff | — | Yes |
| Overheat protection | Yes | Yes |
| Cool-touch exterior | — | Yes |
| Safety listing (ETL/UL) | ETL per retailers (Lowe's, Bomgaars); not confirmed on manufacturer site | Not confirmed (Reviewed claims ETL; not found on manufacturer or retailer pages) |
| Thermostat type | Digital thermostat, 45–95°F | Digital, 40–99°F; Wi-Fi app/Alexa/Google |
| Max timer | 12 hours | — |
| Remote control | Yes | Yes |
| Warranty | — | 1 years |
| Weight | 21.4 lb | 9 lb |
| Manufacturer-rated coverage | 1,250 sq ft | — |
| Voltage | 208/240V single phase | 120V |
| Max wattage | 7,500 W | 1,500 W |
| Power connection | Hardwired (about 31.3A) | 120V plug (about 3 ft cord) |
Comfort Zone CZ230ER
Pros
- Highest output here, about 7,500W
- Digital thermostat, 12-hour timer and remote
- Lowest cost per watt
- Overheat shutoff
- Sold and shipped by Amazon at a mid-range price
Cons
- Draws about 31A and needs a 40A circuit
- Wire and clamp not included
- No memory after a power loss
- Some retailers list it as discontinued
A strong pick for big, cold garages where output and remote control matter more than a manufacturer-confirmed listing. Confirm the wiring plan before you buy.
Full Comfort Zone CZ230ER review →Heat Storm HS-1500-PHX-WIFI
Pros
- Broadest set of recommendations among 120V picks
- Digital thermostat with Wi-Fi and voice control
- Touch-safe grill
- Plugs into a standard outlet
- Overheat protection
Cons
- Only about a 3 ft cord
- Pricey for 1,500W
- Not silent per one owner report
- Safety listing not confirmed
The best 120V option for small, insulated spaces if you value controls. Weigh the price against its limited output.
Full Heat Storm HS-1500-PHX-WIFI review →Both products are part of our guide The Best Electric Garage & Workshop Heaters (120V/240V) of 2026, where you can see every pick, how we score and current prices from each retailer.