Building heating statistics show how strongly space heating shapes energy use across homes and commercial buildings. The measures below distinguish household and commercial populations, observed estimates and surveys, and future IEA pathway scenarios.
Key Building Heating Statistics
The most broadly useful building-heating figures are:
- In 2020, U.S. households consumed an average of 76.8 million Btu of energy per household.
- In 2020, space heating accounted for 12% of U.S. residential site-electricity consumption.
- In 2020, space heating and air conditioning together represented 52% of U.S. household annual energy use.
- In 2020, about 13% of U.S. households used a heat pump as their main heating equipment.
- In 2020, natural gas was used by 58% of U.S. homes.
- In 2020, more than half of U.S. households used natural gas for space heating.
- In 2020, 70% of Midwest U.S. households used natural gas for space heating.
- In 2020, 60% of West U.S. households used natural gas for space heating.
- In 2018, the United States had about 5.9 million commercial buildings.
- In 2018, space heating accounted for about 32% of U.S. commercial-building energy use.
- In 2018, U.S. commercial buildings spent about $141 billion on energy.
- In 2018, commercial space heating consumed about 25,000 Btu per square foot in U.S. buildings.
- In 2018, cold or very cold U.S. commercial climates averaged 36,100 Btu per square foot for space heating.
- In 2024, home heating represented 61.5% of EU household final energy consumption.
- In 2024, renewables supplied 32.3% of EU household space-heating energy.
- In the IEA’s 2022 global baseline, heat pumps met 12% of space-heating service demand.
- In the IEA pathway, heat pumps are projected to meet 55% of global space-heating service demand in 2050.
- In the IEA pathway, building space-heating energy consumption is projected to decrease by almost 70% by 2050 despite a 30% increase in heated floor area.
Contents
- Household energy use and space-heating statistics
- Residential heating fuels and equipment adoption
- Commercial building heating energy and costs
- Climate-zone differences in heating intensity
- EU household heating fuel and end-use data
- Heat-pump adoption and building-heating outlook
Household Energy Use and Space-Heating Statistics
The U.S. Energy Information Administration’s 2020 Residential Energy Consumption Survey (RECS) places household heating in the context of total residential energy demand. The figures describe U.S. households, not all building types, and some measures cover electricity or combined end uses rather than heating alone.
- U.S. households consumed an average of 76.8 million Btu per household in 2020. This is average total household energy, not space-heating energy alone. EIA, “Estimating heating and other end uses in the 2020 Residential Energy Consumption Survey (RECS)”
- Space heating accounted for 12% of residential site-electricity consumption in U.S. homes in 2020. The percentage covers electricity end use, not energy from every heating fuel. EIA, “Use of energy in homes”
- Space heating and air conditioning together accounted for 52% of U.S. household annual energy use in 2020. Because the measure combines two end uses, it does not isolate heating’s share. EIA, “Use of energy in homes”
- A detached single-family U.S. household used nearly three times as much energy as a household in an apartment building with five or more apartments in 2020. This is average total household energy by housing type, not heating-only consumption. EIA, “Use of energy in homes”
The RECS estimate is therefore best read as a scale indicator. It shows why housing type and the definition of the energy denominator matter when comparing heating statistics.
Residential Heating Fuels and Equipment Adoption Data
U.S. household heating depends on both equipment and fuel access. The 2020 RECS results distinguish main heating equipment, any household natural-gas use, space-heating use, and access without use.
| Measure | 2020 U.S. result | Population and definition |
|---|---|---|
| Main heating equipment: heat pump | 13% | Households; heat pumps may also provide cooling |
| Natural gas used for any household end use | 58% | Homes; not specifically space heating |
| Two or more energy sources | Three-quarters | Homes; multiple end uses, not necessarily multiple heating systems |
| Natural gas for space heating | More than half | Households; rounded qualitative threshold |
Sources: EIA, “Use of energy in homes” and EIA, “The majority of U.S. households used natural gas in 2020”.
Regional differences are substantial. Natural gas supplied space heating for 70% of Midwest households, compared with 60% in the West and 35% in the South in 2020; these are regional household shares from the EIA survey.
The same source found that 74% of households in both the Midwest and West used natural gas for at least one end use, a broader measure than space heating.
- 91% of U.S. households that used natural gas were in urban areas in 2020, conditional on natural-gas use and using the EIA survey’s urban classification. EIA, “The majority of U.S. households used natural gas in 2020”
- 12% of U.S. households reported access to natural gas but did not use it for any end use in 2020. This describes access without use, not heating availability alone. EIA, “The majority of U.S. households used natural gas in 2020”
- The 2020 RECS collected energy-use data from 18,496 U.S. households across all 50 states and the District of Columbia. The sample size provides survey context rather than a separate heating outcome. EIA, “The majority of U.S. households used natural gas in 2020”
Commercial Building Heating Energy and Cost Statistics
Commercial-building heating has a different denominator from household heating. The 2018 Commercial Buildings Energy Consumption Survey (CBECS) estimated the scale of U.S. commercial buildings, their total energy use and their total energy expenditures.
| 2018 commercial-building measure | U.S. estimate | Definition |
|---|---|---|
| Commercial buildings | 5.9 million | Buildings |
| Floorspace | 96.4 billion square feet | Commercial floorspace |
| Total energy consumption | 6.8 quadrillion Btu | All building energy |
| Space-heating energy | 32% of energy use | End-use share |
| Energy expenditures | $141 billion | Total energy spending |
Source: EIA, “Use of energy in commercial buildings”.
Space heating was the largest listed end-use share in this comparison: 32% of commercial-building energy use, versus about 10% each for ventilation and lighting. Electricity supplied 60% of total commercial-building energy use and natural gas supplied 34%; those fuel shares cover all end uses, not heating alone.
A separate EIA analysis estimated 2.2 quadrillion Btu of commercial space-heating energy in 2018. It also reported average space-heating intensity of 25,000 Btu per square foot across U.S. commercial buildings. EIA, “Heating U.S. commercial buildings is most energy intensive in cold climates”
Climate-Zone Differences in Building Heating Intensity
Climate changes the amount of commercial floorspace that is heated and the energy intensity of that heating. In 2018, cold or very cold U.S. commercial climates averaged 36,100 Btu per square foot, while hot or very hot climates averaged 6,300 Btu per square foot for space heating.
| U.S. commercial climate grouping, 2018 | Space-heating intensity | Buildings heating all floorspace |
|---|---|---|
| Cold or very cold | 36,100 Btu/sq. ft. | 62% |
| Hot or very hot | 6,300 Btu/sq. ft. | 40% |
Source: EIA, “Heating U.S. commercial buildings is most energy intensive in cold climates”.
The comparison uses major-fuel space-heating estimates and reported heated floorspace. It should not be read as a controlled estimate of building efficiency because climate zones differ in weather, building stock and operating patterns.
Natural gas supplied 73% of major-fuel commercial space-heating energy in the United States in 2018. About 558,000 commercial buildings used other sources such as propane and wood for space heating; the major-fuel accounting excludes those other sources. EIA, “Heating U.S. commercial buildings is most energy intensive in cold climates”
EU Household Heating Fuel and End-Use Statistics
Eurostat’s 2024 household figures use final-energy accounting for European Union households. They are not household counts, equipment-adoption rates or delivered-heat efficiency measures.
- EU households represented 26.0% of final energy consumption in 2024. Eurostat, “Energy consumption in households”
- Home heating represented 61.5% of EU household final energy consumption in 2024. Eurostat, “Energy consumption in households”
- Space and water heating together represented 77.1% of EU household final energy consumption in 2024. Eurostat, “Energy consumption in households”
The 2024 EU space-heating fuel mix was distributed across several categories:
| EU household space-heating source | Share in 2024 |
|---|---|
| Natural gas | 34.7% |
| Renewables | 32.3% |
| Oil products | 12.7% |
| Derived heat | 10.4% |
Source: Eurostat, “Energy consumption in households”. The categories are shares of space-heating energy, not shares of households.
Country-level fuel mixes varied sharply. Portugal sourced 86.6% of household space-heating energy from renewables in 2024, while the Netherlands sourced 70.3% from gas.
These figures describe country-level energy mixes and should not be interpreted as equipment ownership rates. Eurostat, “Energy consumption in households”
Heat-Pump Adoption and Building-Heating Outlook Statistics
The IEA’s global building-heating figures combine a 2022 baseline with scenario milestones. The future values below are pathway forecasts, not observed outcomes under current policy.
| Global buildings measure | 2022 baseline | Scenario milestone |
|---|---|---|
| Heat-pump share of space-heating service demand | 12% | 25% in 2030; 40% in 2035; 55% in 2050 |
| Installed building heat-pump capacity | 1,000 GW | 3,000 GW in 2030; 6,500 GW in 2050 |
| Heated floor area | 157 billion sq. m | 200 billion sq. m in 2050 |
Source: IEA, “Space heating – Analysis”. Installed capacity is a stock measure, not a unit count.
The IEA pathway projects building space-heating energy consumption to fall by almost 70% by 2050, even as heated floor area rises by 30%. The scenario attributes the outcome to building codes and efficient equipment, so it is not a measured historical trend.
The same pathway sets several building-stock milestones:
- 100% of new buildings and deep renovations are projected to meet zero-carbon-ready standards by 2030.
- 80% of the existing building stock is projected to be zero-carbon-ready by 2050.
- Advanced economies are assigned a 2.5% annual retrofit rate in 2030, 2035 and 2050.
Source: IEA, “Space heating – Analysis”. These are scenario targets rather than observed retrofit activity.
In the IEA announced-pledges scenario, electricity’s share of heating in buildings and industry is projected to double from 2021 to 16% in 2030. Global electricity demand is projected to rise by one-quarter by 2030, while heat pumps contribute less than one-tenth of that projected increase. IEA, “Executive Summary – The Future of Heat Pumps”
The same IEA analysis estimates average household or business savings from heat pumps at $300 per year in the United States to $900 per year in Europe. These are modeled averages from an analysis published in 2022, and actual savings vary with energy prices, buildings, systems and policy. IEA, “Executive Summary – The Future of Heat Pumps”