![I just moved into a new house and it has a heat recovery ventilator. How do I use it? — Efficiency Manitoba I just moved into a new house and it has a heat recovery ventilator. How do I use it? — Efficiency Manitoba](https://efficiencymb.ca/wp-content/uploads/2020/03/banner-blog-ask-our-energy-team-hrv_2x.jpg)
I just moved into a new house and it has a heat recovery ventilator. How do I use it? — Efficiency Manitoba
![NuTone Variable Speed Wall Control for Ventilation Fans, Dial Knob Control, 3 Amp., 120V, White - Hvac Controls - Amazon.com NuTone Variable Speed Wall Control for Ventilation Fans, Dial Knob Control, 3 Amp., 120V, White - Hvac Controls - Amazon.com](https://m.media-amazon.com/images/I/31p07eHjUAL._AC_UF894,1000_QL80_.jpg)
NuTone Variable Speed Wall Control for Ventilation Fans, Dial Knob Control, 3 Amp., 120V, White - Hvac Controls - Amazon.com
![hvac - Should Honeywell W8150A1001 switch be set to “On” or “Override”? - Home Improvement Stack Exchange hvac - Should Honeywell W8150A1001 switch be set to “On” or “Override”? - Home Improvement Stack Exchange](https://i.stack.imgur.com/pSMmo.jpg)
hvac - Should Honeywell W8150A1001 switch be set to “On” or “Override”? - Home Improvement Stack Exchange
![CertainTeed Ventilation 4CH67 Whole House Fan Two Speed Rotary Wall Switch 12188 for sale online | eBay CertainTeed Ventilation 4CH67 Whole House Fan Two Speed Rotary Wall Switch 12188 for sale online | eBay](https://i.ebayimg.com/images/g/O5QAAOSwuRxfz9vi/s-l1600.jpg)
CertainTeed Ventilation 4CH67 Whole House Fan Two Speed Rotary Wall Switch 12188 for sale online | eBay
![electrical - Timer for house ventilation switch - high/low voltage wiring - Home Improvement Stack Exchange electrical - Timer for house ventilation switch - high/low voltage wiring - Home Improvement Stack Exchange](https://i.stack.imgur.com/i5mcY.jpg)