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Found 17 results for the keyword(s) ‘HRV’

• Article

  Remove the outside air intake for the furnace when going all-electric?

  Gregory in Québec asked:   I recently replaced my oil furnace with a heat pump/electric furnace system. I live in the region of Montreal. The heat pump can heat/operate in temperatures as low as -30c. The oil furnace had an air intake duck supplying the furnace with outside (cold) air. I underst...
• Article

  STOPPING WOOD HEATING SMOKE FROM COMING INTO YOUR HOUSE.

  Cliquez ici pour voir cet article en français IS THERE A FIRE IN THE NEIGHBORHOOD? December 2018 - As I was walking home from the grocery store in the Montreal suburb of Longueuil in one of the first cold days of winter, I found myself choking on smoke.   I started looking around to see if the...
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  Blocking cannabis odours in an appartment building.

  Jon, On the radio last week you gave someone a remedy to get rid of a smoker's odours coming up through the apartment building.  Could you please post that for me.  Francine. ---- First my opinion -- second hand smoke from cigarettes is already identified as a public health problem, and is ofte...
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  EMPÊCHER LA FUMÉE DE CHAUFFAGE AU BOIS D'ENTRER DANS VOTRE MAISON

  Click here to see this article in English Je vis dans un quartier francophone, donc même si ce site est essentiellement en anglais, j’écris quelques articles dans la langue de Molière, surtout celui-ci pour mes voisins.  Pour les autres articles en français, cliquez ici. Y A-T-IL UN INCENDIE D...
• Article

  An alternative to ducting through the attic in a cold climate.

    In my experience, heating ducts that run through attics cause serious problems in snow country. Don't let a contractor talk you into it. In warm climates it is common practice to run heating and air conditioning ducting through attic spaces simply because it is easy to do. Unfortunately this ...
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  OVERVIEW:Improper exhaust fans can pollute your home -- could even kill you

  More and more people are asking for powerful kitchen range hoods or bathroom exhaust fans. The logic appears simple, increase the power of the exhaust fan and get rid of pollutants quicker. In more and more modern homes which have been weather-stripped and sealed against cold air leaks and heat l...
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  Freezing metal door locks -- removing broken keys & is there a right side up for locks?

  Wendy in Golden, British Columbia is having constant problems with her front door lock freezing up. Actually this is common in a very cold climate when you have a positive pressure in your house for some reason. The positive pressure pushes moist warm air out the door lock, and it freezes there. ...
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  CONFUSION: SHOULD VENT DUCTS GO THROUGH THE CEILING?

  Many government or crown corporation publications are afraid to ask too much of homeowners both in terms of work and comprehension. They prefer that homeowners do things half-way rather than not at all. When compromises seem to work some of the time, these publications (and many contractors) are ...
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  Choosing between an HRV and an ERV

  After 30 years of installing Heat Recovery Ventilators (HRV) we are now asked to choose between an HRV and an ERV (Energy Recovery Ventilator).  What is an ERV and does it really work in Canada? Early Development Both HRVs and ERVs were developed together in the early 80s with the promise that ...
• Article

  WHAT IS AN AIR-TO-AIR HEAT EXCHANGER, HRV and ERV?

  Air-change ventilation systems exist that take stale air out and bring fresh air in so as to not rely on cold air drafts for the entry of fresh air to the house. They are simply a box with two fans. In a few of the warm spots of Canada these are legitimate systems on their own. In most of Canada ...