If you have a basement, the cooler air will circulate through the vents when the fan is not running. If you see steam coming out of your outdoor coil that is a normal operating procedure for a heat pump system, so don't be alarmed. My floors are not cold at all.... but I have a air return register that is in the floor and there is a very cold draft coming in and it is in my living room. We bought a house earlier this year that has a family room addition with a brick fireplace. The other day, we noticed it was drafty (our house is cold anyhow in general) and I found that cold air is coming out of the air vents when the heat is not on. This week: I had my kitchen remodeled recently and purchased a new downdraft range, vented to the exterior. According to Larry D. Armanda, Owner of Therma-View Infrared and Energy Consultants, orphan water heater-related backdrafting occurs “when the draft temperature is so low in the water heater that it often can’t overcome the slug of cold air inside the chimney, and the flue gasses can't escape so they come back into the CAZ (combustion appliance zone).” Main Hearth Forums. Help with cold air coming in through bottom of gas direct ven fireplace. Reply. So stop up all the areas draughts can enter — you’ll save money and make your house a more comfortable place to live in at the same time. How well is your loft insulated? Quality butterfly dampers are available that have a little spring inside, two flappers and a weather-stripped rubber stopper. Time. That cold air mixes with the warm air from your furnace, causing the air coming from your vents to feel considerably cooler than it should. Relevance. They can be placed into staircase cavities, stacked closets that run one on top of the other, or in stud cavities in the wall. You get that from being around infected people. I read in a scientific article about 30 years ago the actual answer. They were sure I needed to use foam sealant even though there is no evidence of air leakage. Every editorial product is independently selected, though we may be compensated or receive an affiliate commission if you buy something through our links. Poor insulation causes rapid cooling of the air as it moves through your home. George. Favorite Answer. Myriad | Jan 26, 2005 04:54am | #7. These vents are seen in many types of furnace systems, although there are alternatives, such as drawing air from the outside or from the area around the furnace. Maggie Scofield is suffering from cold air that's coming down through her kitchen exhaust fan in Raleigh, NC. Butterfly dampers. Here’s what to do if you notice cold air coming from your vents: Install insulation. Bottom line: Don't panic if you have a heat pump and if cold air blows out of your duct work for a little while on and off while you run your heat at home. Q. I get a lot of complaints about cold air drafts coming in through ducts connected to the outdoors. I can’t believe so much disinformation still hangs around about this. I reached my hand and touch the bottom of the fireplace unit by removing the front bottom cover, and confirmed that it is very cold. Inadequate insulation will mean cold ceiling at top of stairs therefore cold air up there which then 'drops' down the stairs. A cold-air return is a vent that sucks cold air into a furnace so that it can be heated and brought back to a room through a furnace register. Foam Outlet Insulation Stops Cold Air Coming Through Electrical Outlets. The gaps between the baseboards and the walls are a likely place for this cool air to enter. It is an air inlet. Vents letting in cold air... Jetpac 20. You will stop the cold drafty air in the winter and keep warm humid air from coming in during the summer months. So there seems to be 2 schools of thought here then. Joined: May 2005 Posts: 586 CT: We have forced air heat. Thread starter Agent0071; Start date Nov 6, 2009; Forums. Insufficient Combustion or Makeup Air. From there, your next savings opportunity may come from tackling the basement and crawlspace, where sealing air leaks can help prevent cold floors and reduce drafts from below. Leaks in your ductwork means that cold, unconditioned air from inside your attic gets sucked into your ductwork. I opened up the vent grill and made sure there were no holes, cracks etc. Nov 6, 2009 1 Northeastern CT. Nov 6, 2009 #1 Bought new construction colonial house 2007. This year, I even keep the pilot fire/light on to see whether it makes any different. Posted 12th Nov 2013. It's a Gas! Window Seal Failure. We have a vent in our living room bay window. Check connections. DEALING WITH DRAUGHTS. Pinpointing the cause of your problem can change the urgency and the solution. He didn't do the duct work, he just installed the furnace, but he said whoever did it, did a nice job. Drafts, or air leaks, can come into your home through windows, fireplaces and even electrical outlets, making your house feel several degrees colder and driving up your heating bills. Common Causes for Window Drafts. For doors, use a draft stopper. Firstly it is an infection, so as pointed out in this article, being cold does not cause colds/pneumonia. Another popular and inexpensive way to keep cold air from coming through windows is to purchase draft stoppers or maker your own draft snakes. Cold air drafts in your laundry room are often caused by stuck dryer vent flaps or faulty caulking. Stop drafts cold at electrical boxes with these easy foam outlet insulation tips. Answer: There are several possible causes of feeling cold air from a wood fireplace. All you need is some fabric and your choice of stuffing to sew together a tubular, window-length wind blocker. COLD INDOOR DRAFTS CAN CAUSE ILLNESS! I was checking everywhere for draughts and thought ok well let's just check the vent to see how much is coming through.... Lots. For a water heater to draft properly, it needs to have plenty of available air. You say the joists are being used maby they dident block off the runs from the outside walls or other wall stacks causing a draft. Cut the new weather stripping to length and reinstall it, pinning it with new brads positioned near the old ones. When ever cold air returns are installed in a basement 'back drafting ' can occur. tim r. 1 decade ago. Next Project . The previous owner had a contractor put in a gas insert. A few hours. Family Handyman. I never noticed before, but there is a very cold […] How to Keep Cold Air Out From a Dryer Vent. Warm air rises, and if your house isn't properly sealed, this air escapes through the ceiling and walls, drawing cooler air from below to replace it. It is eather being blown up from a fresh air sorce that is unseen. Not only does hot air rise but cold air drops (you said the "draft" comes down the stairs). blow out a mathc and look at the smoke. Why is cold draft air coming out of the vents? 153 Posts . Some say yes some say no. Discussion Starter • #1 • Dec 10, 2010. We’ll highlight all of the major causes for window drafts below. How To Trace Where A Draught Is Coming From. Learn how to remove old, damaged weather stripping around a steel entry door and replace it with new magnetic weather stripping and a new door sweep. A basement air sealing project might include using spray foam or caulk to seal cracks and openings in the basement walls, ceiling or floor. Posted on November 24, 2010 by admin • 0 Comments. Their purpose is to allow air to return to the furnace to be heated or cooled. I've sealed any holes around my double glazed window with a silicon sealeant. It goes directly outside and cold air pours through it! Allow her to give you a full report: "It's been frigid here in NC yesterday, and expected to get down to 0 degrees over the next few days. If you’re unsure how to locate your ducts or apply insulation, call a professional. A. Agent0071 New Member. You will want to make sure the flu is closed. I've sealed the gaps between the skirting board and florboard. There is no rubber, gasket, or seal around that area to prevent cold draft air from entering through the pivot light or burner area. One of the worst problems is seal failure. It has a gas direct vent fireplace installed in a bump-out on the 1st … The cold hearth syndrome: A common complaint of fireplace and stove owners is that cold air and odors leak from it when it is not in use, a problem referred to here as the cold hearth syndrome.The causes of this problem and its solutions reveal some of the basic physics of chimneys. TRACING DRAUGHTS. Any exhaust vent that rises up and out will have a tendency to let cold air fall back down that duct. … If your vents do not have an open/close feature then you need to cover the vents when the fireplace is not in use. There’s no point in spending money heating your home if cold draughts are cooling it down again. Answer Save. I've also got door draughts and thick curtain put up. You can also buy fitted draft stoppers which seal firmly against both sides of the window for even better results. Unlike supply vents, return vents do not need to be cased in metal. One is at the top of the hood, where it connects to the duct, and the other is at the wall or roof cap where the duct exhausts its air. I did some sealing and nothing changed. The answer may be your return air grills- also known as “cold air returns”. Things i've done; I've sealed the gaps between the wooden floorboards. Most pros recommend insulating your ducts up to the floor vents. Before you can fix your drafty windows, you need to know where the problem originates. Gerald T. on March 17, 2019. Status Not open for further replies. #3 Draft Snakes. Bit of a builders/diy one this. The potential energy savings from reducing drafts can range from 5% to 30% per year, according to the U.S. Department of Energy. COLD air coming from heat vents when heat off #587799 01/15/10 06:10 PM 01/15/10 06:10 PM: Joined: May 2005 Posts: 586 CT. bristolbaby OP fanatic bristolbaby OP fanatic. I read that I might need a back-draft damper? Here are some solutions. “A properly installed range hood has two metal dampers to stop outside air from coming in. Paul - convection current. I took pictures and sent them to an HVAC contractor for advice. I've put down thermal 1mm sheets on the floor to stop any cold air comming throught the floor. Draft stoppers, like this best-seller on Amazon , prevent cold air from sneaking in under doors. So the solution might be to insulate dear boy, insulate. The return vent pulls cold air from the bottom of the room and returns it to the furnace to be reheated and returned as warm air. These are the vents that are usually on the wall and they do not have a control mechanism to open or shut their flow. I have a cold draft coming from my main return vent. What to do: Unfortunately, you’ll need a … I had my furnace replaced and the HVAC tech checked my duct work and said everything is great. Family Handyman . 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