Ventilation & HRVs

Heat recovery and maintaining indoor air quality

© Zehnder

Guide

The importance of Cleaning HRV intakes

How to keep your HRV clean and operating efficiently

Cleaning your heat recovery ventilation HRV unit will extend the lifespan & Keep it running Efficiently. Why Cleaning HRV Units is a Great Idea! When any machine has its normal operation hampered, it will reduce its efficiency and ability to function properly. Many of us are probably guilty of forgetting about basic…

Aeratron AE2 ceiling fan

Ceiling fans and air circulation- video

To ensure comfort and get the highest efficiency from the systems in the Edelweiss House air must circulate. In order to ensure comfort and get the most from the various systems of our house air needs to move around. Our air source heat pump and our heat pump water heater work together in boosting the efficiency…

DIY air exchanger installation video

DIY Lunos HRV air exchanger installation video

The Lunos Heat Recovery Ventilation system (HRV) is a completely new approach to home ventilation, great for both new home construction and renovations. 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 heat…

Heat Recovery Ventilation - Lunos video

Lunos ductless air exchanger

Lunos wall-insert air exchangers offer alternative to conventional HRV systems. Almost daily, new products come on the market that are more efficient, more effective, and/or more innovative. The ones we are really impressed with will make it here to our product of the month feature. Today we look at a new solution…

How to Choose between an HRV and ERV system

Choosing between an HRV and an ERV

A modern airtight home needs mechanical ventilation. The choices are Heat Recovery Ventilation or Energy Recovery Ventilation & this page explains the difference between an HRV & ERV to help choose which one you need. All homes need ventilation, whether natural or mechanical with an ERV or HRV system. Buildings and…

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

Ventilation & air exchangers

Are houses too airtight? No they aren't! Fresh air circulation is essential to prevent mold & mildew in today's modern energy-efficient homes so Heat Recovery Ventilation (HRV) or Energy Recovery Ventilation (ERV) is fitted. Homes built in the last 40 years in Canada are relatively airtight. Before that we generally…

Crawlspace radon barrier installation for radon mitigation

Removing radon gas from basements and crawlspaces

Removing radon gas from existing basements and crawlspaces can be very effective, here are different options for different situations. Radon Gas in Crawlspaces & Basements - why is it a problem? Radon gas was not high on the radar of builders and home owners over the last few decades, but as it is the second leading…

Non-toxic building materials can improve home air quality

Maintaining healthy indoor air quality

We spend an average of 90% of our time indoors, where air is usually 3 to 4 times more polluted than outside air. Building practices and building materials can lead a building up of VOCs, chemicals, mold and mildew in our homes. Mold in homes is a bad sign so how to get rid of it or prevent mold in drywall? Mold and…

Wildfire Smoke & How to Keep it Outside Homes

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

Normally Homes & Indoor Spaces Should be Ventilated with Outdoor Air - But What Should we do when It's Smoky Outside? How to protect our Health when our high efficiency Homes have HRV, ERV or Central Aircon Systems. How to protect indoor air quality from smoke during wildfires in homes with HVAC? As we move towards…

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

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

The practice of putting polyethylene vapor barriers in houses was intended to keep them dry, but it ends up keeping them wet. It's time to explore alternatives and to reconsider how to keep homes cool in summer. Vapor Barrier + Air-Con = Damp Moldy Walls So here's a little known fact that most HVAC installers won't…

Passive House certification - PHI or PHIUS? The Spring House Passive House

Everything you need to know about Passive House certification

A certified Passive House in North America & Canada can be certified by the Passive House Institute PHI or PHIUS, the US certification system. Discover the differences to decide which Passive House certification is best for you. What is Passive House certification? The term “Passive House” was once obscure jargon…

Advice

Should I install an HRV or ERV?

Posted by David Hinton March 4, 2022, 10:08 a.m. 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, 1:33 p.m. Ventilation 3 Responses

What is the best ductless HRV system?

Posted by michelle ifversen Dec. 17, 2021, 5:38 p.m. HRV and ERV 1 Responses

Does an air exchanger affect indoor humidity levels?

Posted by Dale Hanson Dec. 6, 2021, 4:13 p.m. HRV and ERV 1 Responses

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

Posted by Ellen Murray Zappone Sept. 1, 2021, 4:35 p.m. HRV and ERV 1 Responses

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

Posted by Fred Velsen Aug. 28, 2021, 11:10 a.m. Ventilation 1 Responses

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

Posted by Brad Sullivan April 12, 2021, 1:13 a.m. Ventilation 1 Responses

Can I regulate my heat/ air exchanger?

Posted by Paula Pearcey March 27, 2021, 6:28 a.m. Ventilation 0 Responses