Source: Sun Heating and Cooling / October 1, 2022
This is a huge series of regulations that the government is introducing in an effort to help reduce the rate of inflation (as the name implies!). But there are also a lot of measures taken in the Act to try and fight climate change, and help the environment. So what the Inflation Reduction Act, specifically the High-Efficiency Electric Home Rebate Program (HEEHRP), is doing is offering HUGE discounts on installing energy-efficient equipment.
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Balance Point HVAC Blog

The energy intensity for cooling commercial buildings in the United States depends on the climate the building is located in. Energy intensity in buildings is the energy consumed per square foot of floorspace. U.S. commercial buildings in hot or very hot climates, which are primarily in the southernmost parts of the country, were more than six times more energy-intensive for cooling (14.2 thousand British thermal units per square foot [MBtu/sf]) than buildings in cold or very cold climates (2.3 MBtu/sf).