I have a two-story, 2400 sq. ft. home in southern New England. Its heating is primarily from a high-efficiency oil-fired boiler with hot-water baseboard heat. In a few places we have electric heaters (in bathrooms) or fan-assisted radiators. The house has 3 zones, 2 of which are currently controlled by Nest Thermostats.
The downstairs has a large, open floor plan. The only enclosed area is a small bedroom & bathroom. The rest of the floor is living room, dining area, and kitchen. One Nest thermostat controls the large area, and a conventional programmable thermostat controls the bedroom area. Upstairs has a master-bedroom suite, including a large bedroom, sink area, tub & shower room, and toilet & laundry room. Outside the suite is a small office and a medium-sized bedroom. A single Nest thermostat currently controls the entire floor.
We are planning to install between 3 and 5 Mitsubishi mini-splits. The main purpose is for A/C, but three rooms especially (the master bedroom, upstairs bedroom, and downstairs living area) are either too cold or too warm in winter. So we're also looking for heat to fine-tune the hot water system.
Can we use Puck thermostats to control the mini-splits? Can they coordinate with the Nest thermostats? How would they split heating responsibilities between the mini-splits & the baseboard heat? Can you offer any other advice that might help this project?
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