Quote:
Originally Posted by timun
In Calgary's climate the requisite heating capacity is significantly more than cooling, so it's not uncommon that either
1) the cooling capacity is grossly oversized and you get short-cycling as you described, or
2) you quite deliberately undersize the heating capacity and leave the deficit for a "back-up" gas-fired or electric (resistive) furnace. Option 2) isn't so bad really, as you need the additional heat source for peak conditions anyway, but it means deliberately less use of the heating cycle and not taking advantage of outdoor conditions where the heat pump's COP could be significantly better than the thermal efficiency of your furnace. |
This is a interesting wrinkle I wasn't aware of. I wonder if there could be a way fix this from a technological standpoint? Like maybe reduce the cooling intensity to avoid the short cycling?