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According to the Department of Energy:

A professional energy assessment can provide you with a roadmap to saving money and improving the comfort of your home.

Home energy assessments are conducted by professionals that have industry-accepted credentials. Professional energy assessments generally go into great detail to assess your home’s energy use. The energy assessor will do a room-by-room examination of the residence, as well as a thorough examination of past utility bills. Many professional energy assessments will include a blower door test and a thermographic scan. Assessors may use equipment to detect sources of energy loss, such as blower doors, infrared cameras, furnace efficiency meters, and surface thermometers. Check out the Energy Saver 101 home energy audit infographic to get an idea of what energy assessors look for and to learn more about the special tools they use to conduct an assessment.

Through the process, the home assessor will gather information and produce a report including characterizations of your home and action you can take to reduce your home’s energy use while increasing the comfort of the living space. Common recommendations often include:

Conduct Whole-Home Air Sealing to Reduce Air Leakage and Drafts

  • Add insulation to your home’s attic, foundation, or walls to prevent heat loss.
  • Seal and insulate ducts in unconditioned spaces.
  • Remove or repair any parts of the home with internal moisture or mold to improve air quality and reduce deterioration.
  • Improve the efficiency of heating, cooling, and hot water equipment.
  • Install home ventilation, smart thermostats, LEDs, smart power strips, ENERGY STAR appliances, solar PV, an electric vehicle charger, and other efficient technologies that improve home performance.
  • The right mix of improvements to your home will depend on the age and quality of current equipment, the local climate, and your home energy goals. The first step to determining the appropriate combination and size of equipment for your home is getting a professional assessment.
  • How well the insulation is performing to keep heat out in the summer and cold out in the winter.
  • Where gaps and cracks allow air leaks, causing drafts.
  • Structural problems that hinder home performance.
  • If your home is properly ventilated for proper indoor air quality.
  • How well your heating and cooling systems are functioning?