‹ BACK TO ALL 2015 RECS TABLES
Release date: February 2017
Revised date: May 2018
Number of housing units (million) | ||||||
Housing unit type | ||||||
Total U.S.2 | Single-family detached | Single-family attached | Apartment (2- to 4-unit building) |
Apartment (5 or more unit building) |
Mobile home | |
All homes | 118.2 | 73.9 | 7.0 | 9.4 | 21.1 | 6.8 |
Fuel used by main water heater | ||||||
Natural gas | 56.3 | 37.4 | 4.0 | 5.0 | 9.0 | 0.9 |
Electricity | 54.6 | 31.2 | 2.9 | 3.9 | 11.2 | 5.3 |
Propane | 4.2 | 3.2 | Q | Q | Q | 0.5 |
Fuel oil/kerosene | 2.8 | 1.8 | Q | Q | 0.7 | Q |
Some other fuel | 0.3 | 0.2 | Q | N | Q | N |
Size of main water heater | ||||||
Small (30 gallons or less) | 15.3 | 7.2 | 0.8 | 1.9 | 3.1 | 2.3 |
Medium (31 to 49 gallons) | 51.8 | 37.3 | 4.2 | 2.0 | 4.9 | 3.5 |
Large (50 gallons or more) | 31.8 | 26.9 | 1.8 | 1.0 | 1.2 | 1.0 |
Tankless | 3.0 | 2.6 | 0.2 | Q | Q | Q |
Central water heater in an apartment building | 16.3 | N | N | 4.4 | 11.8 | N |
Age of main water heater | ||||||
Less than 2 years old | 16.1 | 8.6 | 0.8 | 3.4 | 2.5 | 0.7 |
2 to 4 years old | 23.9 | 13.6 | 1.1 | 1.5 | 6.4 | 1.3 |
5 to 9 years old | 37.8 | 24.8 | 2.4 | 1.6 | 6.4 | 2.6 |
10 to 14 years old | 23.0 | 16.1 | 1.9 | 1.7 | 2.0 | 1.2 |
15 to 19 years old | 8.9 | 5.8 | 0.6 | 0.6 | 1.3 | 0.5 |
20 years or more | 8.6 | 5.0 | 0.2 | 0.5 | 2.5 | 0.4 |
Fuel used by secondary water heater | ||||||
Natural gas | 1.7 | 1.6 | Q | Q | Q | N |
Electricity | 2.3 | 2.0 | Q | N | Q | Q |
Some other fuel | 0.4 | 0.4 | Q | N | N | Q |
Do not have a secondary water heater | 97.6 | 70.0 | 6.9 | 4.9 | 9.2 | 6.6 |
Not asked (central water heater in an apartment building) | 16.3 | N | N | 4.4 | 11.8 | N |
1Housing characteristics data were collected between August 2015 and April 2016. 2Total U.S. includes all primary occupied housing units in the 50 states and the District of Columbia. Vacant housing units, seasonal units, second homes, military houses, and group quarters are excluded. Q = Data withheld because either the Relative Standard Error (RSE) was greater than 50% or fewer than 10 households responded. Notes: Because of rounding, data may not sum to totals. See RECS Terminology for definition of terms used in these tables. Source: U.S. Energy Information Administration, Office of Energy Consumption and Efficiency Statistics, Forms EIA-457A and EIA-457C of the 2015 Residential Energy Consumption Survey. |