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Oil Fired Boiler & Mini Splits
I have a 2 story brick house with a full basement and an oil fired boiler with a mono flow system. I also have a mini split system. I would like to utilize the mini splits more in the spring and fall (25 degrees and above). The mini splits keep the living area warm. My fear is pipes in the basement or in the walls will freeze if I don't use the oil furnace. I'm trying to figure out the best way to use the mini splits and have the boiler run just enough to keep the pipes from freezing.