What is an ERV / Guides

...an be 2 to 5 times more polluted than outdoor air under normal conditions. Since outdoor air is usually cleaner, ventilation systems and especially HRV's and ERV's can reduce indoor pollutant levels by constantly changing the air in a building. However, this approach does not work when there is a wildfire in the area, ...

...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 best way to provide it are important issues. Energy recovery from exhaust air is becoming common place in cold regions, and two types of equipment can do this - an HRV (...

...What is an 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 ...

...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 energy rich moisture from interior exhaust air before it is ejected....

...ange of permanent and washable furnace filters? See here for details and cost. We also found this US manufactured washable filter that's had full testing and seems good quality - watch out for our video review coming soon! What is a MERV rating on air filters? MERV is an air filter rating system that stands for Max...

...and design perspective, these make for very cool living rooms. Having potted plants in a home makes it more welcoming and relaxing; a living wall ensures you have an abundance of such greenery. And an automated system such as this also means your plants won't die of thirst due to forgetfulness. Green walls for li...

...ishes and clothes. This system currently provides 100% of our domestic hot water needs, and this is without skimping on usage." Regarding winter, Alain anticipates that "the lower angle of the winter sun will increase the efficiency of the solar panels on cold, sunny days, and when the heat pump is installed this ass...

...ising many go moldy, and this is hoping that measures have been taken to ensure it is completely protected from ground moisture ingress by waterproof membranes on every single surface. Concrete is like a sponge, and when left unchecked will continue to wick moisture from the ground and distribute it into your home for ...

...any unresolved issues which could result in severe and immediate health problems, and even death" Radon, where does it come from & what is safe? Radon gas is a by-product of decomposing uranium in rocks and soil , and homes in all regions across North America are at risk because there is always some amount in the r...

...is more intended to service 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 on my radar. I recently had my air tested and discovered that the radon levels in the basement were significantly higher than Health Canad...

...is not. While the mechanism is the same science as surface condensation, interstitial condensation forms in the core of home structures. This causes damage we can't typically see until most of the damage has been done and the only remedy is often an extensive and costly rebuild, which is why it's important to prevent i...