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What is a Home Performance Evaluation?

Most homes are not as energy efficient as they could be. The Wilson Home Performance Evaluation is a comprehensive top-to-bottom assessment of your home and its comfort systems. Our goal is to make sure you are getting the most for you energy dollar, and to ensure that your home is healthy and safe.

Using the data we gather when we conduct the home performance evaluation, we will make specific recommendations for improvements. Our assessors will show you what you can do—starting today—to reduce your energy bills and shrink your carbon footprint.

To request a home performance evaluation, just click here.

How a Home Performance Evaluation Works

Initial Consultation

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Your checkup starts with an initial interview with a Comfort and Indoor Air Quality Consultant. Your input provides valuable information, such as whether any rooms feel clammy when the air conditioner is running, or if any parts of the house need to be dusted more often than others.

Equipment Inspection

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The inspection begins with your heating and cooling equipment. Is it efficient, dependable and safe? Your consultant will visually inspect your equipment for any signs of deterioration, improper installation or insufficient maintenance. He or she will let you know the average life span of your type of equipment. Your consultant will also evaluate your system’s air filtration and purification efficiency, to determine if improvements would better clean your indoor air.

Insulation Inspection

Even the best heating and cooling system will have trouble keeping you comfortable or will cost more to run if you don’t have enough insulation. Your consultant will visually inspect insulation levels throughout your home and determine if they meet currently recommended levels. More important, he or she will look for hidden defects, such as hollow wall cavities, that allow air and heat to bypass your insulation. Attic ventilation levels will also be checked.

Infiltrometer Blower Door Test

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All houses should have some air leakage, but most leak too much. Symptoms of excessive leakage include uneven temperatures throughout the house, wasted energy, excessive dust, cold drafts, dry air in winter and clammy air in summer. On the other hand, some homes are too airtight and may have unhealthy indoor air.

Using an Infiltrometer™ (a computerized blower door system) your Comfort and Indoor Air Quality Consultant will evaluate how leaky or airtight your entire home is, and where improvements can be made.

Air Leakage Evaluation

Not all air leaks are created equal. From an air-quality standpoint, those around your windows and doors are good leaks, since they let in fresh outdoor air. Bad leaks let in dusty, moldy or polluted air from your attic, garage or crawl space. Leaky air ducts often bring in dirty air, and cause your heating and cooling equipment to perform far below peak efficiency. As part of the Infiltrometer™ blower door test, your consultant will pinpoint where your home’s worst air leaks are, and where improvements can be made.

Air Flow Diagnosis

air flow diagnostics

If your air duct system has hidden design flaws or blockages, your air flow will be restricted or unevenly distributed. This wastes your money and can make your home uncomfortable. Studies conducted for electric utilities nationwide show that over 66% of heat pumps and air conditioners suffer from this problem. Your consultant will conduct “static pressure” tests—like a blood pressure check for your ducts—to reveal any hidden blockages or design problems.

Electronic Air-Flow-Capture Hood Test

Do you have rooms that are hard to heat or cool? There are economical solutions. Your consultant will use an air-flow-capture hood to measure precisely how much conditioned air is getting to those rooms (provided the supply vents are accessible).

Personalized Improvement Plan

Once the inspection and testing are complete, your consultant will explain the results and give you a prioritized plan of recommended improvements. Many—such as adding insulation or weatherstripping—can be performed by homeowners as weekend projects. Other improvements may require professionals. Upon request, your consultant will prepare a proposal for you.

To know more about the home performance evaluation we provide, just click here.