It got down to -0.2°F at 8AM this morning.. The new Gree was using 1.6 to 2kw
when I got up, and putting out 115f air.. The living area was 71F.. (set point 69F).
It's switching on and off just fine..
Used 12.3kwh in 9.5 hours. Averaging 1.3kw, while it was 3 to 4 degrees..
By 8PM last night, it was below 10F, so I was really surprised to see the Sanyo (no defrost cycles)!
still heating the den, using only 480 watts! Until around 5F & 2kw, when I shut it down.
Kept the 'mostly closed off' den at 68F all night using two 900w space heaters.
They hogged 1.8kw, making 6,141 BTUh for much of the night.
Their thermostats were mostly On, until early this AM when I turned one off.
We did use a small amount of heating oil last night. Maybe a gallon. We wanted extra hot water this AM,
because we dishwashed last night + two showers..
(I don't run the hotwater ASHP at night) Clothes wash this morning.
Anyways, we were in Hybrid Heating Mode last night, since the free-flow valve was open,
allowing the baseboards to warm up a little..
In case of grid fail, I don't want the baseboards to freeze up..
Hot water in the burner water jacket (127 gallons) is insurance and provides a little heat to the assist the MS units..
I'm still (slowly) evaluating this setup.. But, I'm starting to think another Gree Crown in the Den, would be a good move.
With that area good to -20f, I wouldn't have to worry about messing with space heaters.
Not sure what BTUs I would put in the den.. But something in the 12kBTU -20F range might allow for skipping the oil free-flow assist..
I hope to be a Grand Dad this week (1st time), so my mind isn't fully on MS stuff..
Edit 10AM:
It just hit 10F and I turned the Sanyo back on.. It's working okay at 670w. Last space heater is off.. Free-flow is off..
