Air leaks add up to energy loss

Did you know that the average home has enough air leakage to add up to a two-foot-square hole? That is like leaving a small window open 24 hours a day. This is usually the biggest source of energy loss in a home. Sealing holes, cracks, chases and penetrations is one of the quickest ways to make your home more comfortable and efficient.

The energy audit identifies areas of your home that are in need of air sealing (before you insulate make sure that your home is properly air sealed).

A blower door test, performed during a home energy audit, locates air leaks. Blower door tests are performed by Home Performance contractors before and after air sealing to measure the effectiveness of their work.

Insulation plus air sealing equals comfort, winter and summer

Many homes are missing a simple but important piece of the energy efficiency equation: proper insulation. Many older homes have less insulation than homes built today, but even adding insulation to a newer home can pay for itself within a few years. Insulating your attic/ceiling and floors keeps you comfortable throughout the year, reduces outside noise, prevents ice dams in the winter, saves energy, and reduces your heating and cooling costs.

A Home Performance contractor will include an insulation check as a routine part of a whole-house energy audit, and provide recommendations for adding insulation. Find a Home Performance contractor to help improve the efficiency of your home with air sealing and insulation.

What is a Home Energy Audit?

It is an assessment of where your house is losing energy, specifically trouble spots that can be fixed to make your home more energy efficient.

The 2 most common types of energy audits are:

The DCSEU doesn’t perform energy audits, but we can help you find a qualified contractor.

Homeowners are encouraged to contact DCSEU with questions and energy efficiency guidance, or for help selecting a contractor.

Reasons to get a professional energy audit in DC

  1. Qualified Home Performance with ENERGY STAR contractors will guide you through the process of improving the energy efficiency of your home and identifying financial incentives.
  2. A whole-house energy audit focuses on ways to make your home comfortable, energy efficient, and healthy. A comprehensive audit includes checking for air leaks, examining insulation, inspecting heating and cooling equipment and ductwork, and performing a blower door test.
  3. All homes are different and need to be evaluated individually. It takes a home energy professional to evaluate your home and your family’s specific needs.

How the DCSEU can help

The DCSEU doesn’t perform energy audits and no longer offers incentives for air sealing and insulation, but we can help you find a qualified contractor. Homeowners are encouraged to call the DCSEU with questions and for any and all energy efficiency guidance.

Contact us for help selecting a Home Performance contractor for your project at 202-479-2222 or

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