Smart Roof:
Ice‑Free Roof

Imagine you’re watching weather reports of a massive winter storm approaching your vacation home on the southern East Coast. You dread the possibility of a call from your neighbor saying, “You need to get out here right now. Your roof just collapsed.”

Homes in cold and snowy environments often suffer damage from snow and ice accumulation on rooftops. Each year, this problem causes millions in property damage, with 1 in 50 home insurance claims related to snow or ice damage. Some homeowners install simple radiant heating systems to melt snow and ice, but these systems are manually operated and often left running throughout the entire winter season, resulting in exorbitant energy costs.

CEM Products approached us with a vision for a smarter solution: an IoT-based roof heating system that could automatically detect snow and ice accumulation and activate heat only when necessary. The goal was to protect homes while saving energy and reducing costs.

Reimagining an Old-fashioned, Inefficient Solution

Existing roof heating systems are essentially “dumb” devices that require manual operation and treat the entire roof uniformly, ignoring the varying risks across roof facets. Depending on the roof’s architecture and its exposure to the sun, certain areas accumulate more snow and ice than others. The new system aimed to address these inefficiencies by dividing the roof into multiple zones, each independently monitored and heated as needed. This zoned approach promised significant energy savings.

Ensuring Reliability and Durability in Extreme Conditions

Material selection, waterproofing, and sensor functionality were critical to ensuring the system could withstand harsh conditions while operating reliably. The system’s reliability hinged on accurate snow and ice detection, achieved with custom PCBs for the snow sensor, control board, and gateway. An infrared beam solution was rigorously tested and refined to prevent refraction errors caused by transparent ice and snow. Research into plastic resins accounted for extreme cold and UV exposure, leading to upfront decisions about wall thickness and durability, which avoided costly redesigns later.

Pilot Testing for Installation Feedback

Low-volume pilot units were tested by professional roof technicians to gather feedback on usability and installation. This real-world testing revealed critical changes that would not have been identified otherwise, such as the need for larger switch enclosures to simplify wiring and improve installation efficiency. These units also supported UL and FCC certifications, streamlining approvals and reducing risks. By integrating end-user feedback at this stage, we prevented potential issues in mass production and enhanced overall product success.

Smart Roof’s advanced technology automatically detects snow and ice accumulation, activating roof heating only when needed. The system’s app connects to one or more units, each capable of managing up to eight roof zones independently.

Unlike traditional systems that remain on throughout the winter, Smart Roof activates only during critical weather conditions, saving energy and reducing costs. In fact, the system can pay for itself through energy savings within just 24 months.

Designed for quick and easy installation, the system uses durable, UV-resistant plastic to withstand harsh winter conditions while sealing out moisture and dust.  Its sleek, modern appearance enhances its market appeal, aligning with the expectations of high-end IoT home customers.