Energy Audits

why energy audit? 

Why order an energy audit?  The average home can lose efficiency from countless areas of the home, wasting energy and money.  Just as high miles can take their toll on your car, the age of your home is a determining factor in your homes inefficiency. An energy audit is the best place to start to discover the areas of your home that need the most attention and will produce the greatest energy savings.

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Blower door testing

A blower door is used to measure leaks in your home and to determine the air exchange rate between the interior and exterior spaces. It also determines where connectivity exists between the attic or crawl space and the condition space.
The blower door works by creating a negative pressure of 50 Pascal’s in the home. Next, by using a monometer, the auditor can measure the difference in pressure between indoor and outdoor air. Then through a series of calculations the home is given a CFM “Cubic Feet Per Minute” rating. The CFM rating is the measurement of outside air that is making it into the home, or the air leaks. 

energy audits

Improving home performance is best completed by using a whole home approach. The first step is a BPI certified energy audit. The auditing process works by analyzing the home and determining where failures and improvement opportunities exist. This is done by using building science techniques designed by Energy Star and the Building Performance Institute “BPI” to determine the most cost effective strategies to improving your home’s performance. Energy Audit testing reveals the homes weaknesses and strengths in efficiency, providing the homeowner a much better understanding of where their energy is begin lost.

what happens during my audit?

During a Home Performance Energy Audit a Certified Building Performance Institute (BPI) certified professional will perform a series of tests to determine the most cost-effective approach to improving your home’s performance. The audit process ensures that the correct improvements are made specific to the conditions of your home.

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This process can be duplicated on the homes HVAC ducting to measure leakage, as well as each individual room in the home to pinpoint energy losses and pressure differentials.
Some additional blower door tests include:
Pressure Pan testing identifies leaks in your air conditioning duct system by isolating the pressure in each individual air register.
A Static pressure test measures air flow and helps improper duct design.
Room Pressure Tests identify pressure imbalances in room that can contribute to hot spots in the home and extra workload on the homes HVAC system.

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