• halcyoncmdr@lemmy.world
    link
    fedilink
    English
    arrow-up
    1
    ·
    3 days ago

    If by recently, you mean decades. Cold climate heat pumps have been able to handle temps down to -30F for quite a while.

    The recent difference is just that they’re now being advertised, have articles being written about them, and most importantly… government subsidies to upgrade.