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To: didjuneau who wrote (393321)	5/3/2023 8:09:45 PM
From: Stock Puppy	1 Recommendation Recommended By Honey_Bee Read Replies (1) \| Respond to of 459707

Today's heat pumps are much more efficient than those in the past, and usable temperature range is much greater as well. As to ROI - that wasn't a major concern as the house was very uncomfortable in the summer even with ACs in the window - whose noise during the night made it difficult to sleep. The heat pump units are fairly quiet as the main noise maker - the compressor - is outside. Even when heating - I've lived with steam and water circulation systems before and this is quieter.