Heated gutter cables · Cleveland, OH
Heated gutter cables that turn your gutter into a heater, from the roof edge to the downspout.
If you've seen the ceiling stain, the gutter pulled off the fascia, or icicles over the front door, you've seen what an ice dam does. We heat the path the water needs so it leaves the roof.
- Licensed and insured
- 10-year cable warranty
- 5-year labor guarantee
- Free on-site assessment
- 1Roof edge. Heat from the gutter melts the first stretch of shingles. Nothing clipped to the roof.
- 2Gutter and guard. One pass along the bottom, the return pass inside the guard. The whole gutter becomes a heater.
- 3Downspout. Cable goes down inside it to the ground.
- 4Sensor. Turns it on when it's cold and wet.
What's happening on your roof
The dam forms where the roof hangs past the warm house.
Heat from the attic melts snow over the living space. The water runs to the eave, which has no warm room under it, and refreezes. Each thaw adds to the ridge until water pools behind it and works under the shingles.
The east side and the Heights sit downwind of the lake and carry more snow. The inner-ring suburbs have the oldest houses with the least attic insulation. A Tudor in Shaker Heights with a finished third floor gets both. So does a cape in Parma with a shed dormer on the north side.


How heated gutter cables fix it
A warm gutter and an open path to the ground.
Most ice builds in and right above the gutter, so that's where we put the heat. One pass of cable runs along the bottom of the gutter and the return pass runs inside the gutter guard, so the whole gutter becomes a heater. It warms the bottom of the roof enough to melt the first stretch of shingles, and cable down the downspout keeps the water moving until it's off the house. Leave out any piece and the water refreezes at the gap.
- Self-regulating cable. A conductive polymer core that puts out more heat as it gets colder and throttles back as it warms. It can't overheat itself.
- Cable in the gutter and the guard. One pass along the bottom, one inside the guard. Nothing clipped to your shingles.
- Roof clips made for your roofing. Where a roof also needs cable on it: shingle, slate, tile, or standing seam. Nothing nailed through the roof.
- Valley and dormer runs. Their own cable, tied into the eave and gutter path.
- Automatic controller. Senses temperature and moisture. Off on dry cold days, which is most of the electric savings.
- Dedicated GFCI circuit. Wired by us, to code, with the permit pulled. No extension cords.
Straight answer
When you don't need this
A well-insulated attic, a simple gable roof, and no history of icicles: skip it, or fix insulation first. Finished attics, cathedral ceilings, valleys, dormers, deep overhangs, slate and metal: that's where insulation alone rarely solves it and cable at the eave is the practical answer.
Two minutes to check: the Ice Risk Evaluator. Comparing coverage: the System Finder.
How the job goes
One visit to measure. One day to install.
Free on-site assessment
Eaves, gutters, downspouts, valleys, last winter's trouble spots, and where power is.
Three written options
Good, better, best coverage. No pressure.
One-day install on most homes
Licensed crew, GFCI circuit, manufacturer clips.
Automatic protection
The sensor turns it on when it's cold and wet.
Roofs we work on
What changes by roof type
Asphalt shingle
Clips grip the shingle edge. The most common install.
Slate and tile
Slate clips, slower footwork, no drilling. Common on east-side Tudors.
Metal
Layout follows the seams. A low-profile heated eave panel is often cleaner.
Flat and membrane
Dams form at drains and scuppers, so that's where the cable goes.
14 questions
Questions Cleveland homeowners ask about heated gutter cables
Ask yours on the phone: (216) 868-4261
What's the difference between heat cable and heat tape?
Heat tape usually means the constant-wattage product sold in hardware-store kits: same output whether it's 30°F or -10°F, on or off by a switch, and it can't be overlapped. Self-regulating heat cable adjusts its output to the temperature, can be cut to length and crossed safely, and runs on an automatic controller. They look similar and behave very differently.
Where does the cable go on the roof?
Mostly in the gutter, not on the roof. One pass runs along the bottom of the gutter and the return pass runs inside the gutter guard, so the whole gutter becomes a heater. That's where most of the ice builds, and it puts out enough heat to melt the first stretch of shingles above it too. A run then goes down every downspout to the ground. Valleys, dormers, and the area below skylights get their own runs because that's where meltwater concentrates, and where a roof needs more we add a zig-zag on the first few feet above the eave.
Why do I need cable in the gutters and downspouts, not just on the roof?
Because the water has to go somewhere. Roof-only cable melts a channel, the meltwater reaches the gutter, hits a frozen downspout, and refreezes right there. You've moved the dam from the roof into the gutter. A full path keeps the water moving until it's on the ground.
What does the sensor or controller do?
It turns the system on only when it's below freezing and there's moisture (snow, melt, or rain) present, and off when it's dry or warm. A simple thermostat only checks temperature, so it runs on dry cold days for nothing. The sensor is the biggest single factor in keeping the electric cost down.
Can heat cable damage my shingles?
Our gutter install doesn't touch the shingles at all. Where we do put cable on the roof, it's held by manufacturer-approved roof clips that grip the shingle edge rather than nailing through it. Self-regulating cable can't get hot enough to harm asphalt. The damage stories you hear come from constant-wattage tape overlapped on itself, or from nails and screws through the roof.
Does roof heat cable raise my electric bill?
Some, during cold wet stretches. Self-regulating cable draws less as it warms, and the sensor keeps it off on dry days, so the cost is a fraction of what constant-wattage tape running all winter would use. Most homeowners see a modest seasonal bump, not a shock. Compare it to one ceiling repair.
Does heat cable work on slate or tile roofs?
Yes, with clips designed for slate and tile rather than shingle clips, and with more care in the layout. Slate roofs on the older Tudors in Shaker Heights and Cleveland Heights are some of the most common ice dam roofs we see, because they're steep, complicated, and the attics are often finished.
Do gutter guards prevent ice dams?
Not on their own. Gutter guards keep leaves out; the dam forms on the roof above the gutter regardless. In many Cleveland homes an unheated guard makes winter worse: meltwater freezes on top of it, builds an ice shelf, and hangs icicles off the front edge. We run one pass of heat cable along the bottom of the gutter and the return pass inside the guard, so the guard and the gutter both stay warm and snow on the guard melts and drains through. We check on site whether your guards work with it, or install ours.
Will fixing my attic insulation stop ice dams instead?
Sometimes, and when it will, we tell you to do that first. On a simple gable roof with a full, open attic, air sealing and insulation attack the cause. On finished attics, cathedral ceilings, valleys, dormers, and deep overhangs, insulation alone rarely solves it, and heat cable at the eave is the practical fix.
Can I install roof heat cable myself?
You can clip the cable to the roof if you're comfortable on a ladder in the cold, but the layout is where DIY goes wrong: zig-zags too short for the overhang, no downspout run, wrong cable type, and no sensor. The circuit must be done by an electrician. If your roof has valleys or dormers, get someone who has laid out a few.
Is heat cable a fire hazard?
Self-regulating cable that is UL listed, installed on a dedicated GFCI-protected circuit, with proper end seals and splices, is not. The fires you read about involve constant-wattage tape overlapped on itself, damaged or aged tape, or an extension cord run out a window. Those are exactly the things a professional install avoids.
How much does heat cable installation cost?
It depends on the roof, so there's no flat number. What drives it: how many feet of eave need coverage, how many downspouts, whether valleys or dormers need runs, the voltage the run length calls for, and the controller type. The on-site assessment is free, and the proposal comes as three options so you can pick the coverage that fits.
What warranty comes with the installation?
Ten-year manufacturer warranty on the cable components and a five-year labor guarantee on our installation. If something we installed fails, we fix it.
Can you fix or replace heat cable someone else installed?
Yes. We see a lot of systems that are the right idea with the wrong layout: no downspout run, short zig-zags, or constant-wattage tape on a switch. We'll assess what's there and give you options to fix, extend, or replace it.
Service area
Where we install
Cleveland, Lakewood, Parma, Shaker Heights, Cleveland Heights, Strongsville, Westlake, Rocky River, Mentor, Solon, Avon, Bay Village, Berea, Broadview Heights, North Olmsted, Euclid, and the surrounding Cuyahoga, Lake, and Summit County communities.
To see how the whole system fits together, start at the Dam Defenders home page.
Book before the first freeze.
September to November is install season. By December cable stock runs short and the roof is icy. If you already have a dam, call today.