How do I choose a cold-climate heat pump for a 180 m² house?
Start with a Manual J style load calculation rather than square meters alone. Insulation, windows, and climate zone matter more than floor area.
For a well-insulated 180 m² home in a cold region, many people land between 9 and 14 kW of rated capacity, with a unit that still delivers heat near -15°C. Ask the installer for the capacity curve, not only the nameplate.
Thought for 6s · Size from heat load, then verify low-temp capacity curves.
Should I go ducted or mini-split?
Use ducted if your ducts are sealed and sized for heat pump airflow. Go multi-zone mini-split when ducts are leaky, missing, or would be expensive to rebuild.
A hybrid is common too: ducted downstairs for even heat, and one or two heads upstairs for rooms that never felt right.
Thought for 4s · Match distribution system to existing duct condition.
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