A significant amount of energy is often wasted due to air leakage. Many air leaks and drafts are easy to find because they are easy to feel — like those around windows and doors. But holes hidden in attics, basements, and crawlspaces are often the more significant sources of energy loss in a home.
Air infiltration also can contribute to problems with moisture control. Air leaks often allow moldy and dusty air to enter a house, causing health problems. Sealing these leaks with caulk, spray foam, or weather stripping will have a great impact on improving your comfort, reducing utility bills improving building durability, and creating a healthier indoor environment.
It is unwise to rely on air leakage for ventilation because it can’t be controlled. During cold or windy weather, too much air may enter the house. When it’s warmer and less windy, not enough air may enter. This is why we recommend reducing air leakage as much as possible and providing controlled ventilation as needed
Many homes have leaky ductwork and poor air flow, resulting in stuffy and uncomfortable rooms — regardless of the thermostat setting. We may recommend sealing your home’s ducts, and balancing the duct system to optimize air flow to all rooms. Insulating ductwork in attics, crawlspaces, and some basements can also help to ensure that your home will be more comfortable.
Many older homes are not well-insulated, and some have no insulation at all. Properly installed insulation in your walls, floors, and attic keeps your home warm in the winter and cool in the summer.
Insulation works best when air is not moving through or around it. So it is important that we seal air leaks before installing insulation to ensure that you get the best performance from the insulation. Insulation performance is measured by R-value — its ability to resist heat flow.