A bulk self-regulating cable with one plug kit included, for one long custom-length run.
Amazon $111.99The HEATIT 5HTM 100 ft Kit rates 3.4 among pipe freeze protection heat cables; the Frost King RC100 100 ft rates 2.8 among roof & gutter ones. The Frost King RC100 100 ft costs $16.01 less ($95.98 vs $111.99).
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 plain 100 ft constant-wattage kit for shingle roofs at a fair price per foot.
Amazon $95.98Scores side by side
These two sit in different use classes (pipe freeze protection and roof & gutter), 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 | HEATIT 5HTM 100 ft Kit | Frost King RC100 100 ft |
|---|---|---|
| Overall rating | 3.4/5 | 2.8/5 |
| Value 35% | 55 $1.12 per ft ($111.99, 100 ft) | 62 $0.96 per ft ($95.98, 100 ft) |
| Heating type 20% | 100 self-regulating | 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 | 100 plugs in out of the box, roof clips included |
| Safety 10% | 60 ETL listed | 0 no cable safety listing stated |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| HEATIT 5HTM 100 ft Kit | Frost King RC100 100 ft | |
|---|---|---|
| Heating | ||
| Heated length | 100 ft | 100 ft |
| Rated output | 5 W/ft | 5 W/ft |
| Total watts | - | 500 W |
| Voltage | 120 V | 120 V |
| Heating type | Self-regulating | Constant wattage |
| Built-in thermostat | No | No |
| Largest pipe | 2 in | - |
| Installation | ||
| Connection | Plugs in | Plugs in |
| Roof clips included | - | Yes |
| Safety and warranty | ||
| Safety listing | ETL | - |