Easy-peasy. Higher purchase price: Inverter air conditioners are usually more expensive up front. The 12,000-Btu GE Profile AHTR12AC inverter, for example, costs $600, while a comparable ...
The average cost to run central air conditioning is $30 to $270 per month, depending on the unit size and efficiency. A three-ton unit (or 36,000 BTU) can cool a 1,500-2,000 square foot home and ...