We have a air-to-air heat pump (minisplit). We also have heat foil in the floors. We've had weeks around -20C and below most winters. I do hear the minisplit w

We have a air-to-air heat pump (minisplit). We also have heat foil in the floors. We've had weeks around -20C and below most winters. I do hear the minisplit working hard those weeks, but we just needed a bit of extra help from the floor heating to have a comfortable 20C indoor.