Stove exhaust vent moving and closing an old one
Meg Gal
21 days ago
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Meg Gal
21 days agoRelated Discussions
Pellet Stove Exhaust Venting into a Greenhouse
Comments (17)I know this is an old post but, since winter is coming, this post may give people an idea. It's a bad idea. Not just "No" but "Hell no!" Deliberately introducing an invisible, odorless, undetectable lethal agent like CO into your greenhouse is a bad idea and could have fatal consequences. Not doubting jeff granacki's results but a 30x96 has a lot more room to dissipate the CO than many hobby houses. He's got close to 30,000 cu ft inside his house whereas a 12x10x8 house has less than 1,000 cu ft. That means they could have a stove just as efficient as his and have levels of 500-1,000 ppm. (1,000 ppm is referred to as "rapidly lethal to humans") Also, where would you mount the monitor? Inside the greehouse so that you have to enter the potentially lethal atmosphere to read the dial? Nope. Don't do it....See MoreExterior vent proximity to attic vent - How close?
Comments (1)If it was a fresh air intake vent into the house it should be 25'. If it is a attic vent i don't think the code dictates that. Of corse if you are venting grease fumes out you might not want too much of that going into the attic. I don't know how many attic vents you have and how they are laid out, but if the attic wall vent is hi in the attic wall it would probably have air moving out from the attic, and not sucking fumes in. Later paulbm...See MoreDoes closing one vent change pressure ?
Comments (24)I completely close the dampers to the basement during the cooling season, so it doesnt get uncomfortably cold down there with the AC running. During heating season I open up everything and if a room gets too hot I close the damper halfway. Sure, some locations this probably works pretty well. But for my climate a home owner is driven insane just having to switch from heat to cool on the thermostat in what seems like a continual battle for 2-4 months in my climate. (Katy, Texas) We don't have basements here... the Gulf of Mexico would probably find a way in.... What is a shoulder season? Climates are not the same nation wide. Say what? In my location (Katy, Texas) winter is often times short, can last two weeks and then go back to summer like conditions. Can you imagine having to readjust manual dampers every two weeks, two days, 24 hours as the weather changes? Realize many times I post things as they relate to MY climate. This forum board is a nation wide board so it really pays no dividends to make blanket statements that probably will only work for you. A shoulder season is the season of my climate in between the dire hot of summer and between the dire cold of winter. (winter here [Katy, Texas] is typically very short, can last a few days, a few hours, only to turn hot again for a short time then repeat this process over and over for 2-4 months.)...See MoreShould bath exhaust fan be vented to roof RIDGE VENT through attic?
Comments (11)Happy to help. I've had a bit of this work done myself, in two different houses. In one, I had a Fantech BFRK 100 installed. There was an existing bathroom exhaust fan that worked poorly but I didn't want to put in a new grill. With the BFRK, you take out the guts of the old fan, keep the housing in place, and then connect ducting that runs first to the Fantech unit located a few feet away up in the attic and then from it to the roof passthrough. I had that done by an HVAC contractor who was on site replacing HVAC equipment. I'm not sure they would have done the work otherwise, it was like a favor to me. The second one was the replacement of a 20 year old exhaust fan with light in a WC closet that was noisy and ineffective. I had that done by an electrician who also was doing other work. He needed to go into the attic to remove the old unit, connect the new one to the framing, put in a new duct and connect the power. It made a huge difference. That one also vents through a roof pass-through, important because we use it to vent the bathroom of moisture from showers and baths. Good luck and keep your BS detector handy. If other exhaust vents terminate in the attic, it's time to fix those too. Each duct run needs its own roof passthrough unless you're using a Y setup with one fan at the base of the Y for two locations. Be careful if so, those can be tricky if the duct runs from the rooms to the base of the Y aren't of equal length. As far as duct run distances go, the unit will specify the maximum distance. For my most recent job, the ceiling unit with light that was 110 CFM, I want to say the spec for the duct run was something like 60 feet. I wrestled with putting a wall vent on a gable end but decided to stick with the existing through-roof vent....See MoreMeg Gal
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