HRV / Green Building & Sustainable Home Renovation Information & Advice

...HRV) or Energy Recovery Ventilator (ERV). The required solution, mandatory in these structures, is a room-sealed wood burner that pulls 100% of its combustion air from the outside, thereby operating completely independently of the indoor air volume. A diagram illustrating how a sealed combustion stove prevents depress...

...HRV or ERV (Heat Recovery and Energy Recovery Ventilation). This guide covers the best methods, materials, and strategies to make an old house airtight, ensuring a healthier and more comfortable living space for years to come. Why airtightness matters for older homes Finding air leaks in old houses Strategic air seali...

...HRVs for renovations - try ductless wall insert HRVs for additions  Frost in attics - why it happens and how to prevent it  Why roofs need ventilation and how to ventilate a roof properly sign up now and reap the benefits of a free Ecohome Network Membership!

...HRV) or Energy Recovery Ventilator (ERV) into new builds and renovations is essential. This buyer guide reviews the best models on the market, evaluating their mechanical performance, core heat exchange efficiency, and operational reliability. Understanding balanced ventilation: HRV vs ERV Key features to evaluate bef...

...HRVs) and Energy Recovery Ventilators (ERVs) help maintain balanced air pressure in homes, reducing the likelihood of a house becoming depressurized and "sucking" exhaust gases back down a flue. Choosing detection technology: dedicated vs. combination alarms When selecting a detector, the choice often comes down to de...

...HRVs and ERVs (heat recovery and energy recovery ventilators) that can be added without great hassle to improve indoor air quality.  Ductless ventilators simply require feeding a low-voltage wire to units, so no major renovation is required and wires can be fairly easy to hide. See our DIY ductless HRV installation vi...

...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 shape w...

...HRV or ERV unit filter must have a Minimum Efficiency Reporting Value (MERV) of 13 to provide effective protection against particulate matter in the air we're going to breath inside a home or office building if it's smokey outside. How an HRV works © Cold Climate Housing Research Center Window-type air conditioners o...

...HRV units is so important  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 maintenance of some of the mechanical equipment in our homes; keeping your HRV (heat recovery ventilator) clean would be...

...HRV and ERV). PHI set up its own proprietary method of evaluating air exchangers to make an enlightened choice between HRV & ERV and among certified models. If, however, one wants to use a model that hasn’t been evaluated (aka not PH-certified) PHI uses the manufacturer’s specifications and cuts 12% from its effici...

...HRV), which serves two purposes. First, the HRV circulates stale air out of the house while bringing fresh air in. All sorts of gases can build up inside homes, from cooking, off-gassing from materials, even simple human habitation, and these are vented to the outside when bringing in fresh air. Second, an HRV exchange...