InformationHorder t1_iw3m2d1 wrote
Reply to comment by vtjohnhurt in Has anyone installed a geothermal heat pump? Was it worth it with the incentives + reduction in energy costs? by ochenpriatyno
The air driven heat pumps don't heat efficiently once you get below freezing. Geothermal doesn't have that problem but you do have to have a well insulated house in order for geo to keep it warm once it gets cold. Geo runs nearly continuously but runs more slowly so it's a very gradual system.
vtjohnhurt t1_iw3qy28 wrote
>The air driven heat pumps don't heat efficiently once you get below freezing.
Your information is out-of-date. The current generation of heat pumps do not have this problem.
>As long as your house is properly air-sealed and insulated, an air-source heat pump can perform well beyond temperatures of -13 degrees Fahrenheit! If you live in extreme cold, you may need to use supplemental heat, or what’s called a dual-fuel system (or consider switching to a ground-source heat pump).
https://sealed.com/resources/winter-heat-pump/
https://www.efficiencyvermont.com/ will provide in depth consultation of installation of air source heat pumps in existing homes.
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