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Guides for Ventilation Systems including Fans, HRV, ERV, Air Conditioning in High Efficiency Homes

Modern air-tight homes need mechanical air ventilation or circulation, especially when built to Passive House, LEED, Passive Solar or ZNE specifications (to mention a few Green Building certifications) or when reducing radon in homes. The following Ventilation Guides help make informed choices for Ventilation easier when building or renovating a home...

How do you add an Air Exchanger to a house with Hot Water Heat?

Posted by Bob Engelhart June 17, 2020, 10:08 a.m. Ventilation 3 Responses

Can you use a Lunos E2 HRV System to circulate air between two floors?

Posted by Richard Kolla May 20, 2020, 1 a.m. HRV and ERV 1 Responses

How do you deal with a house under negative pressure?

Posted by Connie Taylor April 16, 2020, 1:41 p.m. Ventilation 1 Responses

Can you preheat ERV inlet air?

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 1 Responses

Improving the efficiency of a home built in 1978 during renovations, do I need an HRV?

Posted by joe cruikshank Feb. 8, 2020, 12:08 p.m. HRV and ERV 1 Responses

What is the best choice for me, HRV or ERV?

Posted by John Oakes Jan. 10, 2020, 11:04 p.m. HRV and ERV 1 Responses

Lunos HRV - where can I buy them and get advice?

Posted by martin tierney Nov. 16, 2019, 4:57 p.m. HRV and ERV 1 Responses

Is an HRV or ERV system best in a cold climate?

Posted by Michael Duncan Nov. 14, 2019, 3:53 a.m. HRV and ERV 1 Responses

Has anyone used Lunos Ductless HRVs in Alberta and passed inspection?

Posted by Michelle Dimaano Nov. 4, 2019, 12:41 p.m. HRV and ERV 2 Responses

Where can I buy an HRV in New York State?

Posted by Jarred Weaver July 29, 2019, 8:55 a.m. HRV and ERV 3 Responses

Do I need ceiling fans if I have an HRV?

Posted by S McIntyre April 2, 2019, 10:01 p.m. Ventilation 1 Responses

Can you recommend an HVAC contractor in Vancouver?

Posted by Jennifer Smith March 18, 2019, 5:58 p.m. HRV and ERV 1 Responses

How do you install a ground loop for an HRV?

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 1 Responses

Can you help trouble shoot my Lunos HRV e2 system in my tiny home?

Posted by L Dingwall May 24, 2018, 11:06 p.m. HRV and ERV 2 Responses

What should I be looking for in a heat recovery ventilator?

Posted by Adam Y. Dec. 11, 2017, 1:07 p.m. HRV and ERV 1 Responses

Is it normal that condensation forms on the windows of my new home?

Posted by Kevin Newman April 19, 2017, 10:30 a.m. Ventilation 1 Responses

About

Ventilation

In this section you can learn why you need a Heat Recovery Ventilation (HRV) or Energy Recovery Ventilation (ERV) system in a modern house, how to choose between an ERV & HRV system for a Green Home, all about ceiling fans & air circulation or even why Cleaning HRV Units is such a Great Idea! 

While Effective Ventilation in Homes is Essential, so is controlling Air Quality & Energy Savings