Cadet Com-Pak Twin CSTC402TW
#3 in Wall heaterFull review
A powerful, low-cost twin wall heater for a big room on 240 V. The best price per watt in the category.
Amazon $193.98$193.98
The Cadet Com-Pak Twin CSTC402TW is the better baseboard or wall heater overall, rated 3.9 to 3.5. The Cadet Com-Pak Twin CSTC402TW leads on value and safety. The Fahrenheat FZL4004F wins on warranty. The Cadet Com-Pak Twin CSTC402TW costs $237.97 less ($193.98 vs $431.95).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Fahrenheat FZL4004F
#7 in Wall heaterFull review
A heavy-duty 4,000 W wall heater for an entry, lobby or large room on 240 V. The Cadet Com-Pak Twin gives the same output for much less.
Amazon $431.95$431.95
Which should you buy?
- Choose the Cadet Com-Pak Twin CSTC402TW for value ($48.49 per kW ($193.98, 4,000 W) vs $107.99 per kW ($431.95, 4,000 W)) and safety (manual-reset overheat cutout, backup thermal fuse vs manual-reset overheat cutout).
- Choose the Fahrenheat FZL4004F for warranty (1-year warranty, 10-year on the element vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every wall heater baseboard or wall heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Cadet Com-Pak Twin CSTC402TW | Fahrenheat FZL4004F |
|---|---|---|
| Overall rating | 3.9/5 | 3.5/5 |
| Value 35% | 100 $48.49 per kW ($193.98, 4,000 W) | 69 $107.99 per kW ($431.95, 4,000 W) |
| Controls 25% | 50 thermostat in the box | 50 thermostat in the box |
| Safety 15% | 100 manual-reset overheat cutout, backup thermal fuse | 75 manual-reset overheat cutout |
| Warranty 25% | 19 2-year warranty | 40 1-year warranty, 10-year on the element |
Specifications
| Cadet Com-Pak Twin CSTC402TW | Fahrenheat FZL4004F | |
|---|---|---|
| Heat | ||
| Type | Fan-forced wall heater | Fan-forced wall heater |
| Rated output | 4,000 W (3,000 W on 208 V) | 4,000 W |
| Voltage | 240/208 V | 240 V |
| Heating element | Two nichrome wire elements on mica insulators | - |
| Maker's heating area | 750 sq ft | - |
| Controls | ||
| Thermostat | Built in (mechanical) | Built in (mechanical) |
| Selectable wattage | No | No |
| Remote or timer | No | No |
| Fan delay | - | Yes |
| Safety | ||
| Overheat cutout | Manual reset | Manual reset |
| Backup thermal fuse | Yes | - |
| Build | ||
| Weight | 12 lb | 19.2 lb |
| Warranty | 2 years | 1 year, element 10 years |