HVAC
HVAC Energy Cost Calculator
Work out what running an air conditioner or heat pump costs per hour, month and season.
Result
SEER is a seasonal average across a range of conditions, so hourly figures are approximate. Real consumption depends on outdoor temperature, humidity, duct losses and how well the system was installed.
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About this calculator
How much does it cost to run a 3-ton AC?
At 16 SEER and $0.16/kWh, roughly 36 cents an hour. Over a hot season running eight hours a day, that is a few hundred dollars.
Is SEER2 the same as SEER?
No. SEER2 is tested at higher external static pressure and produces a slightly lower number for the same equipment. Compare like with like when shopping.
The formula
kW = BTU/h ÷ SEER ÷ 1,000; cost = kW × hours × rate
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