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Greater Tri Cities, TN and beyond
Pamper yourself with superior comfort and consistent temperature control. For the ultimate in quiet efficiency, the Model 987M warms your winters with up to 98.3% AFUE efficiency. You'll also experience the additional benefit of summertime humidity control through variable speed airflow.
Our modulating gas valve (Model 987M) offers multiple stages of heating, and our two-stage gas valve (Model 986T) provides high- and low-stage options. Either way, you’ll enjoy low-stage heating the majority of the time and higher heating stages for extreme winter conditions. It means consistent temperature control with minimal “swings” in comfort.