Elizabeth Stuart's Blog – October 2012 Archive (1)

CA Title 24 will require RTUs to have automated fault detection and diagnostics

When your "check engine" light comes on in your car, your mechanic (or you, with a low-cost codes reader) can get a quick readout about the possible problem(s).  Now, CA's Title 24 will require something similar for Rooftop HVAC units by 2014.

See this article:…

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Added by Elizabeth Stuart on October 11, 2012 at 4:50pm — 2 Comments

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Speed Tips For Duct Airtightness Testing?

Started by Brendan Reid in General Forum. Last reply by David Butler 2 hours ago. 1 Reply

What made this chimney fall down?

Started by Eric Kjelshus in General Forum. Last reply by Eric Kjelshus on Tuesday. 7 Replies

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by Dave Taylor Nov 11. 61 Replies

Manual J (SD) for custom, luxury homes

Started by Dav Camras in HVAC. Last reply by Dav Camras Nov 10. 3 Replies

Quantitative methods for residential zoning

Started by Brett in HVAC. Last reply by David Butler Nov 9. 1 Reply

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Speed Tips For Duct Airtightness Testing?

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