General Questions- Page 158 of 1411
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correcting new construction install of HRV and dehumidifier
Hello,We recently bought a new construction home in zone 7. In addition to the standard HRV the builder provided, Fantech flex 100H, we had them install a whole-house dehumidifier, Santa-Fe…
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The weather stick, old timey humidity meter — How does it work?
I recently finished cutting the corridor of a hiking trail here in Maine, and we made sure to cut in a good bit of head room using a pole saw.…
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Heat Pump Water Heater and Tankless in combination?
I live in Down East Maine, and have a house with an existing propane-fueled boiler and tankless water heater combo. My intention is to eventually use the heat from that…
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Screw size for attaching second layer of sheathing through 3.1” polyiso
I am building a 2/12 sloped roof with an unvented cathedral ceiling. I am screwing 1/2” plywood through 3.1” polyiso, 5/8” zip sheathing and into I joists. GRK makes a…
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200 amp underground service wire
Electrical experts, For 200 amp service my electrician recommended 4/0 Urd cable. I noticed the cable is made up of 4/0 4/0 and 2/0 for the neutral vs all wires…
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Mechanical Room layout- best location for water main?
Hi all, I’m designing the layout of our 7.5’x6’ mechanical room and trying to figure out the best location for the water main. I’ll be spec’ing a 119 gallon storage tank…
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PPE for Working with Asbestos-Containing Floor Tile
I am ripping out carpeting in a house built in 1960s and encountered vinyl tile under the padding. Did some searching and I am assuming that peeling off the old…
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Possible to Calculate BTUs from Surface Temperature
Basic theory question. I have an IR camera. Is it possible to calculate BTU gains and losses based on surface temperature?For example, if I have a wall that IR camera…
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Choosing an All-Electric Water Heater
Hi, I am looking for an electric hot water heater for domestic hot water. I understand that there is a balance between the volume (in Gallons) and how quickly the…
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Soundproofing a Ceiling
If I wanted to soundproof an existing ceiling what would be the technique? There are no lights or anything up there. Would I install a channel of some sort and…