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 $66.99The Easy Heat ADKS-500 100 ft rates 3.2 among roof & gutter heat cables; the Easy Heat Freeze Free 2102 100 ft rates 2.8 among pipe freeze protection ones. The Easy Heat ADKS-500 100 ft costs $141.91 less ($66.99 vs $208.90).
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.

A cut-to-length reel for protecting many short pipe runs, such as under a mobile home. Budget for a plug kit per run.
Amazon $208.90Scores side by side
These two sit in different use classes (roof & gutter and pipe freeze protection), and each is scored against the reference points for its own class, so a rating says how well each does among its own use peers. How we rank explains each factor.
| Factor weight | Easy Heat ADKS-500 100 ft | Easy Heat Freeze Free 2102 100 ft |
|---|---|---|
| Overall rating | 3.2/5 | 2.8/5 |
| Value 35% | 78 $0.67 per ft ($66.99, 100 ft) | 28 $2.09 per ft ($208.90, 100 ft) |
| Heating type 20% | 25 constant wattage | 100 self-regulating |
| 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 | 0 needs a connection kit bought separately |
| Safety 10% | 60 UL/CSA listed | 60 UL/CSA listed |
| Warranty 15% | 11 2-year warranty | 0 1-year warranty |
Specifications
| Easy Heat ADKS-500 100 ft | Easy Heat Freeze Free 2102 100 ft | |
|---|---|---|
| Heating | ||
| Heated length | 100 ft | 100 ft |
| Rated output | 5 W/ft | 3 W/ft |
| Total watts | 500 W | - |
| Voltage | 120 V | 120 V |
| Heating type | Constant wattage | Self-regulating |
| Built-in thermostat | No | No |
| Installation | ||
| Connection | Plugs in | Connection kit sold separately |
| Cold lead (power cord) | 6 ft | - |
| Roof clips included | Yes | - |
| Safety and warranty | ||
| Safety listing | UL, CSA | UL, CSA |
| Ground-fault protection | GFCI outlet required | GFCI outlet required |
| Warranty | 2 years | 1 year |