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Showing results 1 - 11 of 11

Description
Guide describing categories of direct-vent combustion space- and water-heating equipment and combustion safety testing.
Description
Guide describing the use of electronically commutated motors (ECMs) in HVAC central air handler fans to reduce power consumption compared to a single-stage fan motor.
Description
Information guide describing how to apply a whole-house approach to home improvement with energy efficiency upgrades, improved indoor air quality, and increased comfort.