Expert Exchange Q&A- Page 4 of 11
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Can I use a wood burner as backup to natural gas furnance?
We have a great natural gas forced air heating system. The house is 1950's frame construction, two stories with the furnace on the lower floor at one end. In the…
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Rigid w/ reflective or without in Basement
I am building a conditioned basement in Los Angeles. I'm installing rigid on the 12" foundation walls to keep heated air off the cold concrete. I thought I would use…
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How to choose a furnace filter for pressure drop
I finally came down with Covid and also, we are having the dryest/warmest winter on record (think forest fires next summer) so I got to thinking about using MERV13 filters…
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Slate Roof Attic Insulation
Hi, I am looking at different options for insulating the attic of a very complicated slate roof. The house has 3 main stories and a basement which has just gotten…
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waterproof membrane on icf walls
I intend to use ICF foundation wall. What is good membrane on the eps insulation?
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Mitsubishi HyperHeat Installation
questioning if my PVA‐A36AA7 & PUZ‐HA36NKA was properly installed and operating correctly. I Recently had a Mitsubishi HyperHeat PVA‐A36AA7 & PUZ‐HA36NKA installed and have been tracking power consumption on it…
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Airtight attic floor and humidity
Hi everyone, I am new here, I just recently built my own home in CT. Here we are climate zone 5A (cool humid). Mostly cold dry winters, but as…
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Insulation for 1978 house 3/12 roof, attic, and cathedral ceilings
I just purchased a 2,200 s.f. 1978 house that needs better insulation and air sealing. The interior was beautifully remodeled 6 years ago and it received high quality siding and…
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Referral for Manual J & Radiant System Design – Thoughts on Arctic Heat Pumps
UPDATE: For future readers, Borst Engineering has agreed to run new manual J numbers and design our radiant system. Now to address my concrete slab concerns. It seems the magnesium…
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Installing Meter Panel on Wall With Exterior Foam Insulation
Hello We are installing a new meter main panel on the house and am wondering the best practice for doing this with 3” of exterior foam insulation. I’ve got zip…