3 ms·
It won't even operate at -30F though. In fact it won't even operate below 0F, so it's just not going to work regardless of the COP above that. As nightly temps
by denimnerd42 4y ago
It won't even operate at -30F though.
In fact it won't even operate below 0F, so it's just not going to work regardless of the COP above that. As nightly temps are below 0F all the time.
So i'll get good savings on my bill when it's daylight and freeze to death at night. Great.
- pfdietz 4y agoAt that point you fall back to resistive backup. The overall efficiency averaged over time should still be good. Why are you talking about 0 F now instead of -30 F? Modern heat pumps can work just fine at 0 F. If you find one that doesn't, then don't buy it, get a better one.
- denimnerd42 4y agoI'm talking about 0F because you brought up the average. Regardless. Night time temps fluctuate at the bottom of the COP range and then might even need resistive when the heating demand is the absolute greatest. Plus you would need to build an outdoor shelter for the outside unit to handle snow. Then you have to hope the power grid holds up to all these people on resistive power. You can't just look at the happy path of.. well on average it works out great. The system seems to get quite complicated in extreme environments.