Every figure below was verified against its primary source on 2026-10-07. This page is a public reference, not a sales pitch — cite freely.
| # | Statistic | Value | Source |
|---|---|---|---|
| 1 | Share of US households using air conditioning (2020 RECS) | 88% | EIA Today in Energy #52558 |
| 2 | Households using central AC or central heat pump as main equipment | two-thirds | EIA Today in Energy #52558 |
| 3 | South Census Region AC usage rate (highest in US) | 93% | EIA Today in Energy #52558 |
| 4 | West Census Region AC usage rate (lowest in US) | 73% | EIA Today in Energy #52558 |
| 5 | Pacific-Coast marine-climate residential AC use | 49% | EIA Today in Energy #52558 |
| 6 | Northeast households primarily using individual AC units | 50% | EIA Today in Energy #52558 |
| 7 | Single-family detached homes using AC | 90% | EIA Today in Energy #52558 |
| 8 | Apartments in 2-4 unit buildings AC usage | 80% | EIA Today in Energy #52558 |
| 9 | Apartments in 5+ unit buildings AC usage | 85% | EIA Today in Energy #52558 |
| 10 | Midwest Census Region AC usage | 92% | EIA Today in Energy #52558 |
| 11 | 2020 RECS respondent sample size | 18,496 households | EIA Today in Energy #52558 |
| 12 | Add 600 BTUs per additional regular occupant (DOE) | +600 BTU/person | ENERGY STAR Room Air Conditioners |
| 13 | Reduce capacity 10% for heavy shade (DOE sizing rule) | -10% shaded | ENERGY STAR Room Air Conditioners |
| 14 | Increase capacity 10% for very sunny rooms (DOE) | +10% sunny | ENERGY STAR Room Air Conditioners |
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