heating

Live Webcast of a Building Science Seminar

Posted on March 01,2015 by user-756436 in BSC

GBA has made arrangements to provide live video streaming of an educational seminar by two renowned building science experts, Joseph Lstiburek and John Straube. Dubbed the Building Science Experts' Session, the seminar is being held on Wednesday December 5 and Thursday December 6, 2012, in Westford, Massachusetts. Sessions begin each morning at 8:00 a.m. Eastern Standard Time. The video stream will be available at no charge to all GBA Pro members. A link to the live video stream will be added to this page on the morning of December 5, 2012.

Heating a Tight, Well-Insulated House

Posted on March 01,2015 by user-756436 in direct vent

If you build a small, tight, well-insulated home — in other words, a green home — it won’t need much heat. Since typical residential furnaces and boilers are rated at 40,000 to 80,000 Btuh, they are seriously oversized for a superinsulated home, which may have a heating design load as low as 10,000 to 15,000 Btuh. Builders have been struggling for decades with the question, “What’s the best way to heat a superinsulated home?” Your solution will depend in part on your answers to a couple of other questions:

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