A mini split 2-zone system is an ideal solution if you want separate temperature control for the main living area and an addition, attic conversion, or basement in your home. The condenser unit is installed outside and linked to two air handlers inside the house.
Each zone has its thermostat to control the temperature for that area. Mini-splits are very energy efficient since there is no ductwork to lose energy. They are also ideal for homes where installing or extending ductwork is not practical.
Installing a mini split 2 zone system in your home typically ranges from $2,500 to $5,000 for the equipment and installation. The final cost will depend on several factors:
For most 2-zone mini split heat pump systems with efficiency ratings of 15 SEER or higher, a double pole 30 amp breaker should suffice. However, it is best to check the requirements listed in the product specifications for your exact model. The breaker must be properly rated for the voltage of your unit, which is typically 240V. An undersized breaker can trip frequently, causing the unit to turn off, while an oversized breaker will not provide adequate protection.
To determine the right BTU for your space, measure the square footage of each zone and add them together. As a rule of thumb, you'll want:
It’s best to slightly oversize your mini split by about 10% to ensure adequate cooling on the hottest days. An undersized unit won’t cool properly and will have to work harder, reducing its lifespan.
Mini-split BTU ratings correspond to a unit's tonnage, which refers to how much heat it can remove in one hour. One ton equals 12,000 BTU. So a 1.5-ton unit provides 18,000 BTU, a 2-ton unit is 24,000 BTU, and so on. In general, a mini-split can cool:
As a homeowner looking to improve energy efficiency and comfort, a mini split heat pump system with two zones is an excellent option to consider. With separate temperature controls for different areas of your home, you'll be able to heat and cool spaces according to your needs. Do some research on the best brands and models for your local climate to make the most of this efficient technology. A mini split heat pump can be an ideal solution for balancing comfort and cost in your home.
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