• grue@lemmy.world
    link
    fedilink
    English
    arrow-up
    5
    ·
    5 months ago

    I want a how-to video on adding a reversing valve and control electronics to my existing HVAC.

    • slazer2au@lemmy.world
      link
      fedilink
      English
      arrow-up
      3
      ·
      5 months ago

      Wouldn’t that require draining the system of refrigerant thus requiring a certified person?

      • Cort@lemmy.world
        link
        fedilink
        English
        arrow-up
        4
        ·
        5 months ago

        Generally. They’re not add on devices. Would be cool if manufacturers had an incentive to make one but there’re too many models out there to make something universal. It would probably be custom if you could even do it at all