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  1. HVAC
    Got a new multistage variable fan system installed 6 years ago to replace old single stage. Has a single stage zone panel and single stage tstats. Lennox furnace is set to use timers to go to second stages for heat and cool. We are replacing the zone panel and tstats, all of which can be...
  2. HVAC
    I recently had a new heat pump installed in place of an old A/C system. It's a multi-stage; Amana ASZ140361 Link to product description Side note.. this IS a multi-stage unit, right!? That brochure is making me wonder. It's paired with a Goodman variable speed air handler AVPTC313714. Link...
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