Questions- Page 2386 of 3124
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Zone 2 wall insulation code
Was reviewing the IRC for insulation requirements for zone 2. Wood frame walls at 13 and mass walls with exterior foam at 4. Why the difference? And this brings up…
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Air filter MERV “sweet spot”?
I'm looking at air filters for my new house and was wondering if anyone had found a "sweet spot" in the tradeoff between filtration efficiency and cost, or some way…
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I have been reflecting on heat pumps in general lately
After reading "Solar thermal is really, really dead," which produced quite a reaction, is it possible that heat pumps themselves are at least wounded? PV at $3.50 watt installed... Note…
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What size point of use water heater should be used to heat water for my washer?
I have a high efficiency Whirpool washer in my detached garage. I plan to use a tankless point of use water heater for those occasions when I need warm or…
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Are stainless steel metal finishes for plumbing fixtures more sustainable than polished chrome?
We are trying to ascertain the environmental benefits or hazards in selecting stainless steel finishes or polished chrome finishes for our plumbing fixtures for our clients. Any insights will be…
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Follow-up question on cut & cobble rigid foam in rafters
Several weeks ago many of you were kind enough to offer advice on a cut & cobble insulation project I undertook while converting our old garage into a new master…
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Raised floor over slab, musty insulation problem
About a year ago I built a small apartment inside part of a detached garage. I have been noticing a strong musty smell lately. The space is built on a…
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Plans Review with a few questions
We are getting closer to building our new home. The preliminary drawings have been completed (links to plans at the bottom). We aren’t exactly building a green house, but over…
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Is it possible to simply drill and loose fill my ceiling to improve efficiency?
I have a 1950's split level in northern VA. My upstairs is 5-10 degrees colder than the rest of the house. Thermostats are on the main level set to comfortable…
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What type of degree do you suggest for green building?
Two studies were conducted by independent researchers, while the third was conducted by the thermostat manufacturer
