Home Performance Energy Audits
Your Home Performance Energy Audit is customized to identify the particular needs of your home based on our analysis. The information that your BPI Certified Energy Auditor gathers is entered into computer software that helps AccuGreen Home Performance determine the most cost-effective measures you can take to make your house more efficient and comfortable. This report outlines that analysis, prioritizes recommended home repairs, and helps you determine the best improvements for your home.
AccuGreen Home Performance Energy Auditors have successfully completed a comprehensive skills evaluation in home performance diagnostics and have been accredited by the Building Performance Institute (BPI), a nationally recognized organization for building science technology that sets the standards for assessing and improving the energy performance of homes.
Air leakage, or infiltration, occurs when outside air enters a home uncontrollably through cracks and openings. Typically, your heating and cooling dollars escape through these unseen cracks and gaps, which are usually found in attics and basements, and also around floors, doors, and windows. During cold or windy weather, too much air may enter your home. When it’s warmer and less windy, not enough air may enter. Air infiltration also can contribute to problems with moisture control, mold or dust. Properly air sealing such cracks and openings in your home can significantly reduce heating and cooling costs, improve building durability, and create a healthier indoor environment for you and your family.
The recommended strategy in both new and old homes is to reduce air leakage as much as possible and to provide controlled ventilation as needed. If you have too much air infiltration, AccuGreen Home Performance will provide recommended measures to seal air leaks. A variety of materials may be used to eliminate unwanted air passages in attics, basements, and living spaces. These materials include foams, caulking, weather stripping, and rigid insulation. These procedures also help to control moisture problems. For this reason, air sealing must accompany most attic insulation work. If the measurements indicate that your home does not provide sufficient fresh air, AccuGreen Home Performance may recommend mechanical ventilation to assist in the removal of potential indoor air pollutants.
Insulation keeps your home warm in the winter and cool in the summer. There are several common types of insulation — fiberglass (in both batt and blown forms), cellulose, rigid foam board, and spray foam. When correctly installed with air sealing, each type of insulation can deliver comfort and lower energy bills during the hottest and coldest times of the year. Insulation performance is measured by R-value — its ability to resist heat flow. Higher R-values mean more insulating power. Different R-values are recommended for walls, attics, basements and crawlspaces, depending on your area of the country. Insulation works best when air is not moving through or around it. So it is very important to seal air leaks before installing insulation to ensure that you get the best performance from the insulation.