The Arcoaire VS 90 is a discontinued Energy Star-qualified gas furnace that offers up to 92 percent AFUE. This series features two-stage operation with self-adjusting heat modes and a variable-speed blower that automatically adjusts to temperature changes. The EMC variable-speed motor is pre-lubricated and designed to reduce vibration, keeping operation noise at a minimum.
The manufacturer reports that the series provides all-season home comfort by removing moisture as it cools, as well as with an air cleaner and UV lights that filter out indoor air pollutants and a set-back thermostat that allows the homeowner to set custom heat settings.
Additional components of the VS 90 include a direct hot surface ignition system with a silicon nitride igniter, RPJ III primary heat exchanger made of corrosion-resistant and weld-free stainless steel, a two-stage redundant gas valve, and a two-speed induced draft blower assembly.
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