+1 for Brent.
All heat pumps lose efficiency at around 35 degrees. If your already warm. the fireplace will hold you over.
2013 Alpine 3535RE
Good Luck,
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Pull Toy
Steve & Jan, Ava & Emma (Mini Schnauzers):
2016 F350 Lariat 4X4 Powerstroke CC/SB "PULLTOY V"
2013 Alpine 3535RE "MAGIC CARPET IV"
Proud Navy Vet!
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