Easy Heat ADKS-500 100 ft
#5 in Roof & gutterFull review
The best-value 100 ft roof kit here, from a long-running brand with a published listing and warranty. Plug it into a GFCI outlet on a shingle roof.
Amazon $66.99$66.99
The Easy Heat ADKS-500 100 ft is the better heat cable overall, rated 3.2 to 2.8. The Easy Heat ADKS-500 100 ft leads on safety and value. The Easy Heat ADKS-500 100 ft costs $28.99 less ($66.99 vs $95.98).
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.
Frost King RC100 100 ft
#11 in Roof & gutterFull review
A plain 100 ft constant-wattage kit for shingle roofs at a fair price per foot.
Amazon $95.98$95.98
Which should you buy?
- Choose the Easy Heat ADKS-500 100 ft for safety (UL/CSA listed vs no cable safety listing stated) and value ($0.67 per ft ($66.99, 100 ft) vs $0.96 per ft ($95.98, 100 ft)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every roof & gutter heat cable; a clear win is highlighted. How we rank explains each one.
| Factor weight | Easy Heat ADKS-500 100 ft | Frost King RC100 100 ft |
|---|---|---|
| Overall rating | 3.2/5 | 2.8/5 |
| Value 35% | 78 $0.67 per ft ($66.99, 100 ft) | 62 $0.96 per ft ($95.98, 100 ft) |
| Heating type 20% | 25 constant wattage | 25 constant wattage |
| Thermostat 10% | 0 no built-in thermostat | 0 no built-in thermostat |
| Ready to install 10% | 100 plugs in out of the box, roof clips included | 100 plugs in out of the box, roof clips included |
| Safety 10% | 60 UL/CSA listed | 0 no cable safety listing stated |
| Warranty 15% | 11 2-year warranty | 0 warranty not published, scored as none |
Specifications
| Easy Heat ADKS-500 100 ft | Frost King RC100 100 ft | |
|---|---|---|
| Heating | ||
| Heated length | 100 ft | 100 ft |
| Rated output | 5 W/ft | 5 W/ft |
| Total watts | 500 W | 500 W |
| Voltage | 120 V | 120 V |
| Heating type | Constant wattage | Constant wattage |
| Built-in thermostat | No | No |
| Installation | ||
| Connection | Plugs in | Plugs in |
| Cold lead (power cord) | 6 ft | - |
| Roof clips included | Yes | Yes |
| Safety and warranty | ||
| Safety listing | UL, CSA | - |
| Ground-fault protection | GFCI outlet required | - |
| Warranty | 2 years | - |