Air conditioning is a major household technology, electricity load, health protection measure and refrigerant-management issue. The statistics below distinguish observed survey results from estimates and forecasts, and identify the population, geography and period behind each measure.
Key Air Conditioning Statistics
These figures summarize the most useful cross-section of air conditioning data:
- In 2020, 109.51 million U.S. occupied homes, or 89%, used air-conditioning equipment.
- In 2020, 83.16 million U.S. occupied homes, or 67%, used central air-conditioning equipment.
- In 2020, 32.42 million U.S. occupied homes, or 26%, used individual air-conditioning units.
- In 2020, Florida had 96% air-conditioning adoption among occupied housing units.
- In 2020, U.S. residential air conditioning consumed 254 billion kWh, equal to 19% of household electricity use.
- In 2020, July household cooling used 63.5 billion kWh in the United States, compared with 1.5 billion kWh in January.
- In 2024, global air-conditioner shipments reached 200 million units.
- In 2024, India sold 14 million air-conditioning units, 27% more than in 2023.
- About 40% of the world population currently has access to air conditioning, while more than 80% experiences cooling needs during part of the year.
- Under the IEA net-zero pathway, global household AC ownership rises from 36% in 2022 to 60% in 2050.
- Under the same pathway, installed global space-cooling capacity rises from 850 GW in 2022 to 2,700 GW in 2050.
- In a DOE Southeast model, best-available central AC used 5,222 kWh per year, versus 9,159 kWh for the less-efficient model.
- In the DOE Southeast model, 18-year energy costs were $8,922 for the best-available model and $15,646 for the less-efficient model.
- Among people aged 65 and older worldwide, estimated average annual heat-related deaths increased 61% between 2002-2004 and 2019-2021, reaching at least 300,000.
- In the IEA estimate, air conditioning averted about 190,000 heat-related deaths per year in 2019-2021.
- The U.S. AIM Act requires an 85% phase-down of regulated HFC production and consumption by 2036.
- U.S. reported HFC reclamation reached 4,115 metric tons in 2023, representing 8.8 million metric tons CO2e in the reclaimed material.
Contents
- Household adoption and equipment types
- Electricity use and seasonal cooling trends
- Global growth, access and installed capacity
- Efficiency, energy use and lifetime costs
- Heat exposure, cooling demand and health
- Refrigerants, reclamation and emissions
Air Conditioning Adoption Statistics and Equipment Types
The U.S. Energy Information Administration’s 2020 Residential Energy Consumption Survey covers occupied housing units. Its categories can overlap because central and individual equipment may include main or secondary systems.
| U.S. occupied homes, 2020 | Homes | Share |
|---|---|---|
| Any air-conditioning equipment | 109.51 million | 89% |
| Central equipment | 83.16 million | 67% |
| Individual units | 32.42 million | 26% |
Source: EIA, Highlights for air conditioning in U.S. homes by state, 2020. RECS excludes vacant, seasonal and second homes, military housing and group quarters, and percentages are rounded.
State adoption varied substantially in 2020:
- Florida reported 96% air-conditioning adoption, with 90% using central equipment and 11% using individual equipment.
- Texas reported 95% adoption, including 83% central and 16% individual equipment.
- Washington reported 53% adoption, including 30% central and 25% individual equipment.
- Hawaii reported 57% adoption, with 12% central and 48% individual equipment.
- Maine reported 70% adoption, with 10% central and 63% individual equipment.
- Oregon reported 76% adoption, with 49% central and 30% individual equipment.
The same EIA table counted 9.74 million air-conditioning-equipped occupied homes in Texas and 6.60 million in New York in 2020. These are occupied housing-unit counts, not all residential structures, and equipment-type percentages are not mutually exclusive.
Air Conditioning Electricity Use and Seasonal Cooling Trends
Cooling is a significant electricity end use in U.S. buildings. EIA estimated that residential air conditioning consumed 254 billion kWh, or 19% of household electricity use, in 2020; commercial-building cooling used 170 billion kWh, or 14% of commercial electricity use, in 2018, while manufacturing-facility HVAC used 76 billion kWh, or 8% of manufacturing electricity use.
Source: EIA, How much electricity is used for air conditioning in the United States?. Manufacturing HVAC includes heating, ventilation and air conditioning rather than cooling alone.
The EIA’s monthly household cooling table reports 253.8 billion kWh and 866.1 trillion Btu for U.S. household cooling in 2020. Monthly demand was strongly seasonal: July accounted for 63.5 billion kWh, compared with 1.5 billion kWh in January.
| State household cooling, 2020 | Annual electricity |
|---|---|
| Texas | 38.7 billion kWh |
| California | 32.2 billion kWh |
| New York | 8.6 billion kWh |
| Nevada | 3.9 billion kWh |
| Oregon | 1.3 billion kWh |
Florida household cooling totaled 115.4 trillion Btu in 2020, including 17.8 trillion Btu in August. Source: EIA, Monthly household site electricity cooling consumption in the United States—totals, 2020.
These are survey estimates, and small monthly cells may be suppressed elsewhere in the table.
Global Air Conditioning Growth, Access and Installed Capacity
Global shipments show annual equipment flows, not the number of systems currently installed. The IEA reports 200 million air-conditioner units shipped worldwide in 2024, 25% above the 2019 level.
China produced around 170 million units annually and exported around 60 million, while its manufacturing capacity was around 300 million units per year. These rounded figures describe different measures: production, exports and capacity.
About 40% of the world population has access to air conditioning, while more than 80% experiences cooling needs during at least part of the year. Nearly 90% of households in Japan and the United States have an air conditioner, although country survey definitions may differ.
Source: IEA, Cooling a hotter world: El Niño meets strong growth in global electricity demand.
The IEA net-zero pathway provides scenario milestones rather than observed outcomes:
| Global pathway measure | 2022 | 2030 | 2035 | 2050 |
|---|---|---|---|---|
| Household AC ownership | 36% | 45% | 50% | 60% |
| Cooled floor area | 105 billion m² | 140 billion m² | 170 billion m² | 250 billion m² |
| Installed space-cooling capacity | 850 GW | 1,400 GW | 1,750 GW | 2,700 GW |
| Share of final electricity consumption | 9% | 7% | 6% | 5% |
Source: IEA, Space cooling. The final-electricity shares are pathway outputs, not a current global time series.
India sold 14 million AC units in 2024, up 27% from 11 million in 2023, while household penetration remained below 20%. Cooling contributed an estimated 60 GW to India’s total peak load in 2024; total peak load rose from 148 GW in 2014 to 250 GW in 2024, a 68% increase.
Source: IEA, Electricity 2025: Demand.
Air Conditioner Efficiency, Energy Use and Lifetime Costs
DOE’s examples compare a 36,000 Btu/h central air conditioner at three efficiency levels. They are modeled examples, not market-wide averages, and use stated operating hours, test assumptions and an electricity price of 11 cents per kWh.
| DOE example | Best available | ENERGY STAR | Less efficient |
|---|---|---|---|
| Southeast SEER2 | 23.5 | 15.2 | 13.4 |
| Southeast annual use | 5,222 kWh | 8,074 kWh | 9,159 kWh |
| Southeast annual cost | $575 | $889 | $1,008 |
| Southeast 18-year energy cost | $8,922 | $13,793 | $15,646 |
| Southwest annual use | 2,450 kWh | 3,787 kWh | 4,296 kWh |
| Southwest annual cost | $270 | $417 | $473 |
| Southwest 25-year energy cost | $4,185 | $6,470 | $7,339 |
Source: DOE, Purchasing Energy-Efficient Residential Central Air Conditioners. The Southeast example assumes 3,409 operating hours; the Southwest example assumes 1,599 hours.
In the Southeast model, the best-available system saved $6,724 in modeled lifetime energy costs versus the less-efficient model, while the ENERGY STAR example saved $1,853. In the Northern-states example, annual modeled energy use was 2,612 kWh for the best-available model, 4,038 kWh for ENERGY STAR and 4,581 kWh for the less-efficient model.
Air Conditioning, Heat Exposure and Health Outcomes
Cooling access is linked to protection from heat, but the available worldwide figures are modeled population estimates rather than randomized clinical-trial results. Among people aged 65 and older, estimated average annual heat-related deaths increased 61% between 2002-2004 and 2019-2021, reaching at least 300,000.
Over the same period, estimated heat-related deaths averted by air conditioning increased threefold, reaching about 190,000 lives saved per year in 2019-2021. The estimate concerns population-level effects and should not be read as a direct measurement of every air-conditioning intervention.
Source: IEA, Sustainable, Affordable Cooling Can Save Tens of Thousands of Lives Each Year.
Cooling demand also responds to weather. Cooling degree-days in China and Europe were 25% higher in 2024 than in 2020, while Japan and Korea recorded levels almost 50% higher than in 2020; cooling degree-days measure climatic need, not ownership or actual electricity use.
In India, each 1°C increase in daily average temperature was associated with more than 7 GW of additional daily peak electricity demand in 2024. The IEA projects sensitivity could exceed 11 GW per °C by 2027, and forecasts cooling equipment could contribute one-third of India’s peak load, potentially reaching 140 GW, by 2030.
The IEA also estimates that cooling demand accounts for 50% of total peak load on the warmest days in Texas. These peak-load figures are not annual averages and are not exclusively AC consumption.
Air Conditioning Refrigerants, Reclamation and Emissions
Refrigerant statistics cover regulated HFC activity across uses, not air conditioning alone. Under the U.S. AIM Act schedule, regulated HFC production and consumption are required to decline 85% from baseline levels by 2036; this is a regulatory target, not a measured emissions reduction.
EPA-reported HFC reclamation increased from 2,309 metric tons in 2017 to 2,382 in 2018, reached 2,749 in 2019, fell to 2,445 in 2020, then measured 2,455 in 2021, 3,450 in 2022 and 4,115 in 2023. The 2023 reclaimed material represented 8.8 million metric tons CO2e, with CO2e depending on refrigerant global-warming potentials.
| U.S. HFC measure | Period | Reported amount |
|---|---|---|
| HFC consumption | 2017 | 290 million metric tons CO2e |
| HFC consumption | 2018 | 306 million metric tons CO2e |
| HFC consumption | 2019 | 314 million metric tons CO2e |
| HFC consumption | 2020 | 309 million metric tons CO2e |
| HFC consumption | 2021 | 462 million metric tons CO2e |
| HFC consumption | 2022 | 253 million metric tons CO2e |
Source: EPA, 2024 HFC Emissions Reduction and Reclamation Rule Regulatory Impact Analysis Addendum. EPA’s consumption series includes regulated HFC uses beyond air conditioning.
EPA’s HFC Data Hub reported 5,620.6 metric tons received for reclamation across certified reclaiming entities in 2025. The two largest listed recipients were A-Gas at 1,951.1 metric tons and Hudson Technologies at 1,311.2 metric tons; material received is not necessarily successfully purified refrigerant output.
EPA’s 2022 comparison showed 3,450 metric tons reclaimed versus 253 million metric tons CO2e consumed, a gap described by EPA as over 40 to 1. That comparison uses different units and should not be recalculated as a physical mass ratio.
Source: EPA, HFC Data Hub.
UNEP reports that the Kigali Amendment could avoid up to 0.4°C of global warming by 2100 through HFC phase-down action. This is a climate-model estimate across HFC uses, not an air-conditioning-only result.
Source: UNEP, Cooling Emissions and Policy Synthesis Report.