30 Dec '11, 10pm

Tips on ventilation system design: - and an article to help you decide between an HRV and an ERV:

Your article and the ensuing discussion have been very informative to me, for a variety of reasons. My wife and I are currently in the design phase of our retirement home and, based upon the information and opinions expressed in this thread, I think I am now prepared to finalize some major design considerations regarding HVAC. We will be living in a relatively hot-humid climate and, as you know (as well as many of the contributors to this thread) the economics of weather tight construction with affordable “cooling” is a delicate balance in my location. I would value input on my current design elements. First, some design background. We have made a decision to use off-grid PV power generation and solar heated water. This decision was driven by several factors: The site is remote and we had to deal with the cost to install U/G power from the grid, about $20K; the current tax...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/musings/hr...

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Dedicated ERV system and Bathroom Exhaust #green

greenbuildingadvisor.com 02 Jan '12, 9pm

We are designing a dedicated ERV (recouperator) duct system in a high efficiency remodel. The question has arisen regardin...