Air-to-Air Energy Recovery Ventilation

Product Guide Enerboss HRV/Air Handler
Product Guide Lossnay ERVs
Product Guide Whisper Comfort ERV
Product Guide Matrix Total Home System
Product Guide ComfoAir HRV/ERV System
Product Guide Lunos e2 HRV
Product Guide Novus 300 HRV
Product Guide Air Pohoda HRVs and ERVs

Commissioning Our Heat-Recovery Ventilator

Posted on April 21,2015 by AlexWilson in airflow

In last week's blog I described our state-of-the-art Zehnder heat-recovery ventilator (HRV), explaining its various features and specifications. This week I’ll review what should be a critical step in the installation of any HRV: commissioning, including the critical step of balancing the air flow. This is absolutely necessary to ensure proper operation and full satisfaction from a Zehnder HRV and most other HRVs.

Our Top-Efficiency Heat-Recovery Ventilator

Posted on April 21,2015 by AlexWilson in air-to-air heat exchanger

In last week's blog I reviewed some of the general strategies used for ventilating buildings — or not. This week, I’ll zero in on the types of balanced ventilation in which heat is recovered from the outgoing airstream to preheat the incoming fresh air.

Providing Fresh Air in Our Home

Posted on April 21,2015 by AlexWilson in ERV

One of the features in our new house that I’m most excited about barely raises an eyebrow with some of our visitors: the ventilation system. I believe we have the highest-efficiency heat-recovery ventilator (HRV) on the market — or at least it’s right up there near the top. I’ll describe this Zehnder HRV and its impressive specifications and features — but not until next week. This week I’ll provide a little background on ventilation.

Passivhaus is Blossoming in Brooklyn

Posted on April 21,2015 by AlexWilson in Brooklyn

I was in New York City over the weekend where I spoke at the Annual Meeting of the Northeast Sustainable Energy Association. That meeting on Saturday night was okay (you can access my presentation from this link if you just have to know what I talked about), but what was really great was an opportunity to explore a new infill housing project in Brooklyn that’s being built to the Passivhaus standard and may well achieve net-zero-energy performance.

Visiting Passivhaus Job Sites in Washington State

Posted on April 21,2015 by user-756436 in airtight

On March 16, 2011, I flew to Seattle for a three-day visit to Washington state. Although the main purpose of my visit was to attend the spring conference of Passive House Northwest, I devoted a day and a half to visiting Passivhaus buildings and construction sites in Seattle and Olympia. With the help of my gracious hosts, Dan Whitmore and Albert Rooks, I was able to see four Passivhaus sites and a large workshop where Passivhaus wall panels were being assembled indoors.

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