NRM Products
CoolTrol® Anti-Sweat Door Heater Controller

NRM’s fully automatic, dual channel controller for your cooler and freezer doors will reduce electric and refrigeration operating costs — up to $50-$100 per door annually!*

Simple & Flexible Installation
Each channel can drive up to 10 remote switching modules, ideal for isolating door circuits when lighting or other loads are on the same circuit.
No unsightly sensor required for frames or doors.
Features special settings for freezer doors that are used in cooler applications.
Integrated dew point sensor.
Automatically Calculates Store's Dewpoint
Controller applies just enough heat to your cooler or freezer doors to prevent sweating
Fail-Safe Operation
If controller unit loses power, door heaters default to “ON.”
CoolTrol Brochure
CoolTrol Case Studies
CoolTrol Case Studies
*Based on utility rate of 10¢ per kWh.
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Remote Site Manager and CoolTrol are registered trademarks, and NRM and the NRM logo are trademarks of National Resource Management, Inc.