heating, cooling, air source heat pumps, ASHPs, air conditioning, AC, AC units, window ACs, HVAC

The (Possible) Evolution of the Window AC Unit 

Mittens, where are my mittens - I’m freezing!

That might be a familiar refrain during winter months in New England, but this time, it was Memorial Day weekend! I woke up at my parents’ house in New Hampshire to a cool 43 degrees – on May 29! Thankfully, they have air source heat pumps that are keeping the house warm, and I soon forgot about my mittens and focused on a hot cup of tea.

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