Plugging Energy Leaks

The average home can lose 30 percent of its heat through small openings in walls, windows and doors.
The average home can lose 30 percent of its heat through small openings in walls, windows and doors. Sealing those gaps can help retain warm air and lower your heating bills by as much as 10 percent. Here are some easy and inexpensive ways to plug your home’s energy leaks:
  • If you have storm windows, install them.
  • Install the storm glass instead of the screen in a combination storm door. If you don’t have a storm door, get one.
  • To quick-seal an older, single-pane window, apply an interior storm window kit of plastic shrink-wrap film. Use a hair dryer to tighten the film.
  • Repair and replace any broken window or door glass.
  • Outside the house, use caulk to seal gaps that are 1/2 inch or smaller; use expanding foam to fill wider openings. Seal cracks around doors, windows, water spigots, the dryer vent, pipe and electrical penetrations in the siding, and where the siding meets the foundation.
  • Inside, apply weather stripping around windows and doors. If you have a pull-down attic door, weather-strip around the inside of it, too.
  • To seal the gap at the bottom of an exterior door, replace the threshold with a new one that has a vinyl insert, which acts as a gasket between the bottom of the door and the floor.
  • Insert foam gaskets behind electrical outlet cover plates.
  • When the fireplace isn’t in use, close the damper to keep heated air from escaping up the chimney.

Story by Katie and Gene Hamilton of St. Michaels, Md.

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batticdoor wrote:
How To Reduce Your Energy Bills / Energy Conservation Begins at Home

Imagine leaving a window open all winter long -- the heat loss, cold drafts and wasted energy! If your home has a folding attic stair, a whole house fan or AC Return, a fireplace or a clothes dryer, that may be just what is occurring in your home every day.

These often overlooked sources of heat loss and air leakage can cause heat to pour out and the cold outside air to rush in -- costing you higher heating bills.

Air leaks are the largest source of heating and cooling loss in the home. Air leaks occur through the small cracks around doors, windows, pipes, etc. Most homeowners are well aware of the benefits caulk and weatherstripping provide to minimize heat loss and cold drafts.

But what can you do about the four largest “holes” in your home -- the folding attic stair, the whole house fan or AC return, the fireplace, and the clothes dryer? Here are some tips and techniques that can easily, quickly and inexpensively seal and insulate these holes.

Attic Stairs

An easy, low-cost solution to this problem is to add an attic stair cover. An attic stair cover provides an air seal, reducing the air leaks. Add the desired amount of insulation over the cover to restore the insulation removed from the ceiling.

Whole House Fans and AC Returns

An easy, low-cost solution to this problem is to add a whole house fan cover. Installed from the attic side, the whole house fan cover is invisible. Cover the fan to reduce heating and air-conditioning loss, remove it when use of the fan is desired.

Fireplaces

A recent study showed that for many consumers, their heating bills may be more than $500 higher per winter due to the air leakage and wasted energy caused by fireplaces.

An easy, low-cost solution to this problem is to add a fireplace draftstopper. Available from Battic Door, a company known for their energy conservation products, a fireplace draftstopper is an inflatable pillow that seals the damper, eliminating any air leaks. The pillow is removed whenever the fireplace is used, then reinserted after.

Clothes Dryer Exhaust Ducts

An easy, low-cost solution to this problem is to add a dryer vent seal. This will reduce unwanted air infiltration, and keep out pests, bees and rodents as well. The vent will remain closed unless the dryer is in use. When the dryer is in use, a floating shuttle rises to allow warm air, lint and moisture to escape.

If your home has a folding attic stair, a whole house fan, an AC return, a fireplace, and/or a clothes dryer, you can easily, quickly and inexpensively seal and insulate these holes.

Mark D. Tyrol is a Professional Engineer specializing in cause and origin of construction defects. He developed several residential energy conservation products including an attic stair cover, an attic access door, and is the U.S. distributor of the fireplace draftstopper. To learn more visit www.batticdoor.com
treytor2 wrote:
I think the article missed an important feature? The Attic Vents on the sides of houses are prime heat loss area's. Making a cover for it is inexpensive. I put garbage bags folded over the hole and duct tape it. It would probably be easier in the long run to have metal cover that uses 2 screws and have the sides insulated with strip insulators. Also the article did not remind those with Turbine Vents to cover them preferably with tarp covers, and use duct tape to better secure them. Also for older homes with thin pane windows, you can use clear saran wrap to cover the inner window making a 4 inch buffer to hold back cold air from the outside, even if the outside window is not sealed well this stops it from penetrating further. I hope this helps someone save on heating costs and building the coffers of the rich energy companies? Happy New Year Trey Gordon

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