Q
Can two air conditioners provide heating and cooling for the entire house? What are the requirements?
A
In a house with adequate insulation, airtightness, and solar radiation conditions, and designed with proper airflow, one air conditioner each for underfloor heating and attic cooling can be used to heat and cool the entire house. Matsuo Design Office aims for a UA value of 0.38 or less and a C value of 0.5 or less. Please check not only the number of units but also the floor plan and air conditioning plan.
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