7.4 - HEAT/ENERGY RECOVERY VENTILATORS IN DWELLINGS
  Number of households by region
Canada Atlantic Quebec Ontario
Households with a heat recovery ventilator or an energy recovery ventilator
Heat recovery ventilator (HRV) 876,251 A 150,894 A 281,873 A 279,915 A
Energy Recovery Ventilator (ERV) 84,182 M - U - U 24,264 M
No 8,759,578 A 611,414 A 2,761,046 A 2,806,018 A
Don't know 3,992,027 A 180,283 A 329,562 A 2,044,044 A
Not stated 461,769 A 46,108 M 148,454 M 126,154 M
Households with an ENERGY STAR® heat/energy recovery ventilator
Yes 599,028 A 91,781 A 194,678 M 190,202 A
No 90,805 A 19,936 M 48,290 M - U
Valid skip 8,759,578 A 611,414 A 2,761,046 A 2,806,018 A
Don’t know 300,858 A 53,992 M 82,867 M 114,271 M
Not stated 4,423,537 A 220,203 A 474,403 A 2,156,909 A

Legend:

The letter beside each estimate classifies its quality as follows: A–Acceptable, M–Use with caution, U–Too unreliable to be published.

Notes:

Valid skips indicate households that did not use a heat/energy recovery ventilator.
Due to rounding, the numbers may not add up and may differ slightly among tables.

Source:

2015 Survey of Household Energy Use