ERV / Guides

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

Choosing between an HRV and an ERV

...ERV Ventilation Exchanger Systems . The key questions are: How much fresh air is enough? How much fresh air comes in through the building envelope? What is the difference between an ERV and an HRV? How to choose between an HRV and an ERV? How much fresh air is required in homes and the bes...

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 13 rating or higher should be used in HRV or ERV systems and central Air conditioning units. A portable air cleaner with a HEPA filter is also recommended. To read more about ventilation in Green homes see here , or specifically everything about HRV & ERV systems see here , and to learn why it's a bad idea to put...

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 it to treat (precondition) the incoming outdoor fresh air in residential and commercial HVAC systems. During warmer days, an ERV system pre-cools and dehumidifie...

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

Airtight Construction of Homes is Essential: "Your house sucks." "Oh yeah? your house blows!"

...ERV rating of a filter (Maximum Efficiency Reporting Value), which determines the amount of particulate they collect and the quality of air they expel. As a bench mark, the LEED rating system lists MERV 11 as a 'good' quality , MERV 13 as 'excellent'. The higher the number the better. You always want an airtight hous...

The importance of Cleaning HRV intakes
HRV and ERV

How to keep your HRV clean and operating efficiently

...ervicing is worth the money; it will pay for itself through less wear and a longer lifespan of equipment, but also in more efficient operation, and above all, healthier indoor air quality. To read more about the importance of Air Quality in Homes - see here , to read more about how to choose between a HRV & ERV venti...

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 are particularly well suited to extreme northern climates. Air is able to support less and less water vapour the colder it gets, and an ERV extracts that energ...

Slab on grade or a foundation and basement?
Foundation choices

Choosing between a slab-on-grade or a foundation and basement

...ERV , because let's face it - fresh air improves any Man Cave! How to choose between an ERV & HRV system for basement ventilation & Mold prevention - EcoHome Guide 'How to build basements that don't stink' - Dr. John Staube, University of Waterloo Top Tips: For Building a Slab-on-Grade Foundation: Insulate ...

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 while saving a ton of money. Remember, Insulation is the gift that keeps on giving, long after that fancy new central air conditioning system needs major servicing or replacement. Why are old homes with air-con in great ...

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 air before it is distributed through the house. In addition, An ERV system also regulates indoor humidity levels. An ERV is particularly suitable for northern ...

Heat Recovery Ventilation - Lunos video
HRV and ERV

Lunos ductless air exchanger

...ervice with individual units placed inside your exterior walls, making it the ideal compact HRV unit for reno's and retrofitting . Consequently, there is no need for ductwork or reserving space in your mechanical room for an air change system. Wall sleeve for Lunos © Ecohome Wall sleeve for Lunos © Ecohome ...

Better Basement Design on basement walls prevents mold and midlew
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...ERV, because let's face it - fresh air improves any Man Cave! Further reading for basement mold prevention: How to choose between an ERV & HRV system for basement ventilation & Mold prevention - EcoHome Guide How much insulation does a basement need - EcoHome Guide 'How to build basements that don't stink' ...