Home Energy Audit: Everything You Need to Know

Lower your utility bills and improve indoor comfort by planning for a home energy audit before extreme weather hits

Get quotes from energy efficiency auditors near you
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Get quotes from energy efficiency auditors near you
No obligation · 100% free
Highlights
  • A home energy audit identifies air leaks and insulation gaps to improve your overall energy efficiency.

  • Homeowners pay an average of $440 for this service, depending on the size of the property.

  • Square footage and the level of detail required for the inspection will impact your final price.

  • Hiring a local home energy auditor provides reliable help with testing and saves you time and effort.

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This article was created using automation technology and thoroughly fact-checked and edited by an Angi Editor in accordance with our AI policy.

Scheduling a home energy audit helps you pinpoint exactly where your house loses heat and conditioned air. Identifying these drafts and gaps in insulation allows you to improve your home's energy efficiency, lower your monthly utility bills, and maintain a comfortable indoor temperature year-round. This guide covers reasons to get your project done, the average costs, and tips for hiring a pro.

What Is a Home Energy Audit?

A home energy audit is an assessment that pinpoints exactly where your house loses temperature controlled air. Professionals use specialized tools like thermal cameras to locate hidden drafts and missing insulation.

Skipping this inspection leaves you paying higher utility bills because your HVAC system works overtime to compensate for leaks. Addressing the findings can lower monthly costs and improve indoor comfort. Ignoring these inefficiencies forces your climate control equipment to work harder, which can lead to premature replacements in severe cases.

When Is a Home Energy Audit Urgent?

A home energy audit becomes urgent when you experience sudden, unexplained spikes in your monthly utility bills or feel severe drafts making some rooms uncomfortably cold. Finding visible indoor mold growth or excessive winter condensation on your windows indicates significant ventilation issues that require prompt attention to protect your indoor air quality and home's structural integrity. If you notice warning signs like these, call a local home energy auditor today.

Is a Home Energy Audit a "Now" or "Later" Project?

A home energy audit rewards early planning, giving you time to find qualified professionals and budget for upgrades. Waiting until peak winter or summer to book an assessment can result in scheduling delays and missed utility savings. Booking an audit in late summer provides ample time to compare bids and finish insulation work before freezing temperatures arrive. Contact local auditors two months before extreme weather hits.

However, if you are seeing mold, excessive condensation, or other warning signs, call a pro as soon as possible.

How Much Does a Home Energy Audit Cost?

A home energy audit costs an average of $435, with a standard range between $100 and $2,400. The total price depends heavily on the level of detail required and the square footage of your house. Other common factors that affect your final bill include the specific type of inspection you choose, local labor rates, and any specialized diagnostic testing. Adding extras like blower door tests, infrared thermography, or detailed written reports increases the overall expense.

What Should I Be Saving For?

Budget proactively for a home energy audit by accounting for the initial project scope and additional cost factors like your home's age. Set a savings target that covers any extra materials or site-specific preparation required. Many local pros offer payment plans, which help ease the up-front cost of larger projects. Consider starting an efficiency fund a few months before extreme weather hits, giving yourself time to plan for recommended upgrades.

  • Assess your usage: Gather past utility bills to identify usage spikes and note any drafty rooms.

  • Plan your budget: Review cost factors like your property size to set a realistic savings goal.

  • Hire a local pro: Compare pricing from multiple home energy auditor and ask about different types of tests, including blower door tests and infrared scans.

  • Implement the upgrades: Complete the recommended improvements, such as sealing attic air leaks, to maintain a comfortable climate.

How to Find and Hire the Best Home Energy Audit Pro

Hire a home energy auditor near you who can pinpoint drafts and evaluate your property's power usage efficiently and correctly. Always ask to see proof of active liability insurance, relevant trade certifications, and valid state licensing before beginning the process. Read recent online customer reviews and request detailed written estimates from at least three different companies to compare labor warranties and avoid hidden fees.

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The homeowners guide to energy efficiency auditing services

From average costs to expert advice, get all the answers you need to get your job done.