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...

What is best type of home ventilation system for Florida?

Posted by Alan McIlwain July 15, 2025 HRV and ERV 1 response

Which HRV system is best for commercial medical building?

Posted by Erik Baardsen June 4, 2025 HRV and ERV 1 response

How do you determine the correct sizing of an HRV?

Posted by Matt Russell April 14, 2025 HRV and ERV 1 response

What are your recommendations for an HRV system for a Tiny Home less than 500sq feet in Northern Ontario?

Posted by Marsha Kalita April 8, 2025 HRV and ERV 1 response

The Lunos E2 ductless HRV looks like an interesting product but are there equivalents?

Posted by Romain Jzlavid April 1, 2025 HRV and ERV 1 response

Is a Minotair heat pump ERV better than a standard ERV or HRV?

Posted by dean c March 12, 2025 HRV and ERV 1 response

Can you use a ZEHNDER ERV with ground Loop?

Posted by Trish Wise Oct. 29, 2024 HRV and ERV

What system do I use to circulate air or exchange fresh air in a home?

Posted by Tiana Robinson Dec. 19, 2023 HRV and ERV 1 response

Which is the best ERV for cold climates?

Posted by Khoa Anh Nguyen Aug. 1, 2023 HRV and ERV 1 response

Where should you locate HRV and ERV exhaust vents?

Posted by Micara Muir July 12, 2022 HRV and ERV 3 responses

Where can I find a trusted HVAC designer in NH for a new build?

Posted by Kevin Claeson July 12, 2022 Ventilation 1 response

Should I install an HRV or ERV?

Posted by David Hinton March 4, 2022 HRV and ERV 2 responses

Do I need exhaust fans for bathrooms if I have an ERV that is connected to them?

Posted by Dennis Pierron Jan. 10, 2022 Ventilation 4 responses

What is the best ductless HRV system?

Posted by michelle ifversen Dec. 17, 2021 HRV and ERV 1 response

Does an air exchanger affect indoor humidity levels?

Posted by Dale Hanson Dec. 6, 2021 HRV and ERV 1 response

What type of hrv system should I put in a 4 year old home?

Posted by Ellen Murray Zappone Sept. 1, 2021 HRV and ERV 1 response

Is installing a venting skylight to release hot air from my a home a good idea?

Posted by Fred Velsen Aug. 28, 2021 Ventilation 1 response

Do you need ventilation in a cold storage pantry in a high performance house?

Posted by Brad Sullivan April 12, 2021 Ventilation 1 response

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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