Choosing an HRV / Guides

...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 (Heat Recovery Ventilation) and ...

...an HRV? Mechanical ventilation systems are known as heat exchangers , HVACs (Heating, Ventilation and Air Conditioning) or HRVs (Heat Recovery Ventilators). The point of these systems is to remove moisture and provide fresh air to your home that is pre-heated by the outgoing air. © Van EE The core of an HRV h...

...ant wall Now that you understand what Living Green Walls do and don't do, find more about protecting indoor air quality by Choosing non-toxic paint , Choosing non-toxic floor finishes to protect indoor air quality , and the Difference Between an HRV and an ERV to ensure proper home ventilation, all in the E...

...and even more worryingly that in Canada only around 6% of homes have actually been tested for Radon . The Canadian Home Builders' Association also say that Canada's building codes designed to reduce radon in new homes have " many unresolved issues which could result in severe and immediate health problems, and even dea...

...ant manner. Just like with a few plants in your living room, it’s a matter of scale. While better than plants, they just can’t keep up with the internal volume of most American and Canadian homes which average around 2200 ft 2 . Your ventilation system will be bringing in between 100 and 200 CFM of air (cubic feet pe...

...an be manufactured from dicyandiamide, hydrogen cyanide, or urea . Modern commercial production of melamine usually employs urea as a starting material. Urea is broken down to cyanuric acid, which then can be reacted to form melamine. Traditionally (and this is where individual manufacturer's processes can make things ...

...ane tanks, foam panels and tens of thousands for a solar array and battery backup system. You'll need a lot more than tires, dirt and pop cans. For an example of a Green Build that costs the same as a regular home build, see the EcoHome Edelweiss House . Our conclusions on Earthships: This is a concept born of want...

...and call it done. All the electrical, plumbing and other mechanical infrastructure you will have to do anyway throughout your house, so don’t think of it as added cost. In fact with a slab that can all be done cheaper. Laying out plumbing and wiring on a flat surface is a lot easier than drilling a thousand holes and...

...and they will absorb and release moisture as the levels change, and they will expand or contract in the process. Hemp natural insulation batts help balance humidity in homes, and they are non-toxic and hypoallergenic And to have more fun with anologies…a box of crackers can be left unsealed on the counter in a ...

...ant, Tillandsia, Cactus and English Ivy should help lower humidity and improve internal air quality , but water sparingly and often for best effect. Check for water leaks! – Any pipes carrying water in the house, both delivery of hot and cold or heating and evacuation, should be checked for leaks and any leaks fixed ...

...an 10 or 12% more than a kitchen made of standard and probably toxic products. If you have asked a cabinetmaker for a price comparison and it is more than that, ask for a breakdown of the price difference. If you are unsatisfied with the answers, contact us so we can see where the discrepancy may lie. And interestingly...