What Is a Home Energy Audit? Understanding the Key to Energy Efficiency

Your home may be leaking more energy than you think

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Photo: BullRun / Adobe Stock
Couple spending time together in the living room
Photo: BullRun / Adobe Stock
Highlights
  • A home energy audit is a comprehensive evaluation of a home’s energy efficiency.

  • Blower door tests and HVAC inspections are common components of energy audits.

  • Home improvement tax credits can offset the cost of a home energy audit.

  • Benefits of an audit include energy savings, health benefits, and increased home value.

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In our increasingly energy-conscious world, finding ways to reduce our energy consumption and lower our utility bills has become a top priority for many of us. While it’s common practice to winterize your home, another effective way to achieve this goal is through a home energy audit. But what exactly is a home energy audit, and why is it so important? Let’s explore the world of home energy audits and give you all the essential information you need to understand the concept, its benefits, and how it can help you save both energy and money.

What Is a Home Energy Audit?

A home energy audit, often referred to as a home energy assessment or inspection, is a comprehensive evaluation of your home's energy efficiency. This assessment is conducted by a trained professional who specializes in identifying areas where energy is being wasted. The professional then suggests measures to improve your home's energy efficiency.

At its core, a home energy audit is all about discovering how efficiently your home is using energy and where improvements can be made. The audit helps you gain insights into your home's energy consumption patterns and highlights potential opportunities to reduce energy waste.

What Does a Home Energy Audit Consist Of?

A typical home energy audit consists of several key components, each designed to provide a thorough evaluation of your home's energy performance. Here's an overview of what you can expect during a home energy audit.

1. Inspection and Assessment

The auditor will start by inspecting your home, both inside and out, to identify areas where energy may be escaping or inefficiently used. They will check the insulation in your walls, attic, and basement to determine if it meets the recommended standards. Windows, doors, and ventilation systems will also be examined to ensure they are not contributing to energy loss.

2. Blower Door Test

A blower door test is a critical part of the audit. It involves sealing off your home and using a powerful fan to depressurize it, which helps identify air leaks and drafts. The auditor will measure the rate of air infiltration, giving you an idea of how much conditioned air is escaping from your home.

3. Thermal Imaging

Infrared thermal imaging cameras may be used to detect temperature variations in different areas of your home. These variations can indicate insulation issues or air leakage points. Thermal imaging provides a visual representation of where energy inefficiencies exist, helping the auditor pinpoint problem areas.

4. Appliance and HVAC Inspection

The auditor will assess the efficiency of your appliances, heating, ventilation, and air conditioning (HVAC) systems. They will check for proper maintenance and potential upgrades to improve efficiency.

5. Data Analysis

After collecting all the data from your home energy audit, the auditor will analyze your energy consumption patterns and identify areas where improvements can be made. They will provide you with a detailed report outlining their findings and recommendations for energy-saving upgrades.

How Much Does a Home Energy Audit Cost?

The cost of a home energy audit depends on your location and the complexity of your home. On average, you can expect to pay anywhere from $200 to $700 for a professional audit. While this may seem like a high upfront cost, the potential savings in energy bills and the long-term benefits far outweigh the initial investment. 

Possible Tax Credits

The Inflation Reduction Act of 2022 (IRA) has ushered in fresh benefits for those cutting energy use in their homes. Through the IRA's Energy Efficient Home Improvement Credit, you can now claim a 30% home energy tax credit on expenses for installing upgraded heat pumps, insulation, breaker boxes, biomass stoves, and other energy-saving systems, with an annual limit of $2,000. Moreover, this credit extends to cover the costs of home energy audits up to $150 and electrical panel upgrades up to $600.

Benefits of Getting a Home Energy Audit

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Now that you have a clearer understanding of what a home energy audit entails, let's explore the numerous other benefits that come with it.

Energy Savings

A home energy audit can save on heating costs since it helps you identify and address energy inefficiencies. This ultimately leads to reduced energy consumption and lower utility bills. By implementing the recommended upgrades, you can potentially save hundreds or even thousands of dollars each year.

Increased Comfort

Fixing insulation problems and sealing air leaks can significantly improve your home's comfort levels by eliminating drafts and temperature variations. You'll enjoy a more consistent and comfortable indoor environment.

Environmental Impact

Reducing energy consumption also means reducing your carbon footprint and contributing to a more sustainable future. Lower energy use reduces greenhouse gas emissions.

Home Value

An energy-efficient home is a modern upgrade that adds value to your home. Saving money on utilities and contributing to green initiatives is attractive to potential buyers, increasing your home’s resale value. Energy-efficient features can make your home stand out in a competitive real estate market.

Health Benefits

Proper ventilation and improved indoor air quality resulting from energy-efficient upgrades can lead to better respiratory health for you and your family.

Signs You Need a Home Energy Audit

Wondering if it's time to schedule a home energy audit? Here are some signs that indicate your home could benefit from this assessment:

  • Rising energy bills: If your energy bills have been steadily increasing, it's a clear indicator that your home may have energy efficiency issues that need addressing.

  • Uneven temperature distribution: Noticeable temperature variations in different rooms of your home may suggest insulation or HVAC system problems.

  • Drafts and air leaks: Feeling drafts or noticing air leaks around doors and windows is a clear sign of potential energy waste.

  • Outdated appliances and systems: If your appliances and HVAC systems are old and inefficient, they could be contributing to excessive energy consumption.

  • Condensation and mold growth: Excessive moisture, condensation, or mold growth in your home can be indicative of ventilation or insulation issues.

Can I Perform a Home Energy Audit Myself?

While it's possible to perform a basic DIY home energy audit, a professional audit is recommended for a more comprehensive evaluation. DIY audits typically involve simple tasks like checking for drafts, inspecting insulation, and assessing your energy bills. 

However, a local home energy auditor has the expertise and specialized equipment to identify hidden issues and provide detailed recommendations tailored to your home's unique energy profile.

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