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How to Choose between an HRV and ERV system
HRV and ERV

Choosing between an HRV and an ERV

...ERV and an HRV? How to choose between an HRV and an ERV? How much fresh air is required in homes and the best way to provide it are important issues...

Condensation on windows leads to mold & mildew in homes, ERV & HRV systems help
Ventilation

Ventilation & air exchangers

...ERV? Energy Recovery Ventilation ( ERV ) is the process of exchanging the energy contained in normally fan extracted stale or humid air from homes and using i...

Wildfire Smoke & How to Keep it Outside Homes
Healthy indoor air quality

How to keep wildfire smoke out of Green Homes with mechanical ventilation systems?

...ERV unit filter must have a Minimum Efficiency Reporting Value (MERV) of 13 to provide effective protection against particulate matter in the air we're going to...

DIY air exchanger installation video
HRV and ERV

DIY Lunos HRV air exchanger installation video

This heat recovery ventilation (HRV) system is very different than what people are probably used to seeing, where air is directed to a centralized core for a...

Passive Solar Home design at it's best - Kenogami House - EcoHome
Passive solar home design

Ecohome Kenogami House wins Home of the Year Award

...ERV (Energy Recovery Ventilator) While similar in concept, an ERV (Energy Recovery Ventilator) was chosen over an HRV (Heat Recovery Ventilator) , as they a...

Solar panels power the Kenogami House in Saguenay, Quebec
Renewable energy

The Kenogami House: Energy systems at the cutting edge of innovation

...ERV): Energy Recovery Ventilator © Ecohome An ERV system uses basically the same principle as an HRV (Heat Recovery Ventilator) , which preheats fresh a...

The importance of Cleaning HRV intakes
HRV and ERV

How to keep your HRV clean and operating efficiently

...ervice the main floors and much less the unfinished basement that we rarely use. By no means is this an ideal set up, but it was done before radon gas showed up...

Finished basements can lead to mold and mildew
Healthy indoor air quality

Why are basements moldy? How to fix or Prevent a Moldy Basement

...ERV System . The only way walls below grade can possibly dry is to the inside. We have to stop trying to prevent that by wrapping them with an impervious laye...

Living green wall
Healthy indoor air quality

Living walls: what they do and don't do

...ERV and choosing non-toxic building materials and surfaces finishes . So while we quite like living walls, we question claims about their impact on indoor air...

Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Why you should Never Install Air-Con in a Home with a Vapor Barrier

...ERV or HRV unit for ventilation, as a way to keep your home cooler in summer and warmer in winter whilst saving a ton of money. Remember, Insulation is the gift...

Problem areas of air leakage in a home and blower door test being cond
Air and vapour barriers

Balancing air pressure in a house: "Your house sucks." "Oh yeah? your house blows!"

...ERV 11 as a 'good' quality , MERV 13 as 'excellent'. The higher the number the better. You always want an airtight house in winter, but everything written her...

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