REHAU launches weather-sensing control option for hydronic snowmelting systems

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LEESBURG, Va. — REHAU announces the launch of an advanced new weather-sensing control module developed for use with REHAU hydronic snow and ice melting (SIM) systems. The REHAU Smart Controls SIM Module also features an automated option that allows the system to operate with optimum efficiency.


REHAU SIM system at Salt Lake City condominium community


REHAU’s innovative hydronic SIM system is designed to quickly and efficiently remove snow and ice from vehicle or pedestrian pathways. SIM systems minimize snow removal and accompanying costs, as well as the need to apply salt or other melting agents that can be corrosive to outdoor surfaces and detrimental to the environment. Installed underneath or embedded within an outdoor surface such as concrete, asphalt or paving stones, the system includes RAUPEX® pipe, the EVERLOC® compression-sleeve fitting system and PRO-BALANCE® manifolds.

REHAU Smart Controls SIM Module

The SIM controls module employs the unique ability to “listen” to the weather forecast via web-enabled access to the National Weather Service (NOAA) and Environment Canada. Using the weather data and temperature sensors installed within the melting area, the control chooses an automatic idle temperature setting to warm the slab so that melting begins at the first sign of snow or ice. To save energy, the control turns the system off once the surface is dry.


REHAU SIM system being installed at Union Station in Toronto

“The REHAU hydronic SIM system combined with our Smart Controls SIM module provides a sensible alternative to the annual expense and complication of manual snow and ice removal,” said Ollie Carman, applications engineer at REHAU. “In comparison, operating costs are usually much lower while the ability to effortlessly maintain safer outdoor surfaces during winter provides unparalleled convenience.”

The SIM control module’s web-enabled feature also allows the system to be controlled remotely from any internet-accessible device. In addition, the module is flexible, scalable and programmed to meet a range of requirements including unlimited snow melting zones and priority scheduling to clear crucial areas such as walkways and entrances first. The SIM module can be used independently or integrated with a REHAU Smart Controls indoor comfort control system.

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