• Neuromancer@lemm.ee
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    5 months ago

    They also don’t work in many parts of the country without a secondary source of heat.

    When it goes below zero. Mine stops working. I found it baffling but the hvac guy explained it in email.

        • carl_dungeon@lemmy.world
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          5 months ago

          So like I said- builder grade. If you had a company come in to install a system, you can pick from many options and features, like multi stage pumps, variable speed fans, etc. the base models from these companies are “builder grade” because it’s basically the cheapest model they can install in 100 houses they’re building. You can look up your system specs online and also see what other similar models are in the product line. You dont need the most expensive system to have good cold weather performance, but you may not get it on the cheapest model.

      • Neuromancer@lemm.ee
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        5 months ago

        Ac summer. Heating winter.

        I never knew about the limitation but the hvac guy was right. Once it went over 0. The heat kicked back on. We rarely get below zero here and that’s why they don’t installed the secondary heat source.