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How Much Does A Home Energy Audit Cost?

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Key Takeaways
Average home energy audit cost: $200 – $600
Cost per square foot: $0.10 – $0.50
Prices vary based on home size, audit level, and specific tests
Energy efficiency improvements can provide significant savings

$200 – $600 Average Home Energy Audit Cost

The typical cost for a home energy audit ranges from $200 to $600. This is the average range homeowners can expect to pay, though the exact amount can vary based on several factors such as the size of the home, the level of the audit, and the specific tests included.

$0.10 – $0.50 Energy Audit Cost Per Square Foot

On a per square foot basis, a home energy audit can cost between $0.10 and $0.50. This metric can help homeowners estimate costs based on the size of their property.

Average Cost Of Home Energy Audit

Average Home Energy Audit Cost

National Average Cost$400
Minimum Cost$99
Maximum Cost$2,300+
Average Range$200 to $600

The cost of a home energy audit can vary significantly. While the national average hovers around $400, it can be as low as $99 or higher than $2,300, depending on various factors.

What Is A Home Energy Audit?

A home energy audit is an assessment of a home’s energy use and efficiency. It identifies areas where energy is being wasted and provides recommendations for improvements. These audits typically involve inspecting the building’s exterior, HVAC systems, electrical systems, and using tools like thermographic imaging to detect issues.

Home Energy Audit Cost Per Square Foot

Home Energy Audit Cost By Home Size

Home Size (in square feet)Average Cost
1,000$100 – $500
1,200$120 – $600
1,500$150 – $750
1,800$180 – $900
2,000$200 – $1,000
2,500$250 – $1,250
3,000$300 – $1,500

The cost of a home energy audit can be influenced by the size of the home. Larger homes tend to have higher costs due to the increased complexity and time required for the audit.

Home Energy Assessment Cost By Level

Home Energy Assessment Cost By Level

Audit LevelAverage CostDescription
Level 1$100 – $250Basic walkthrough and energy bill review
Level 2$250 – $650More thorough inspection that may involve one or more tests
Level 3$650 – $1,000+Most advanced inspection including additional testing and more advanced analysis

Level 1 Audit

A Level 1 audit is a basic assessment that involves a walkthrough of the home and a review of the energy bills. This is the least expensive option, costing between $100 and $250.

Level 2 Audit

A Level 2 audit provides a more thorough inspection and may include one or more tests. This level of audit usually costs between $250 and $650.

Level 3 Audit

The most advanced option, a Level 3 audit, includes additional testing and more detailed analysis. This comprehensive inspection can cost $650 to $1,000 or more.

Energy Audit Cost By Test

Energy Audit Cost By Test Type

Test TypeAverage CostDetails
Duct Testing$100 – $700Determines if and where ductwork is leaking and tests overall efficiency
HERS Certifications$150 – $250 ($50 – $100 each additional)Required in some states to qualify for rebates; mostly used by builders and realtors to confirm a home or remodel meets industry energy efficiency standards
HERS (Home Energy Rating System) Test$150 – $800+Mostly used by builders and realtors but may be added to a home energy audit to analyze and rate a home’s energy efficiency
Thermographic Imaging$200 – $500Uses infrared cameras to find temperature fluctuations within the home to pinpoint the sources of air leakage
Blower Door Test$200 – $650Finds and measures air leakage through doors, cracks, or broken seals

Different types of tests can be included in a home energy audit. The cost and necessity of each test can vary depending on the specific needs of the home.

Home Energy Audit Cost Factors

Efficiency Improvements

Numerous factors impact the cost of a home energy audit, including the types of tests performed, the size of the home, and follow-up improvements that may be recommended. Here are some common efficiency improvements and their average costs:

Efficiency UpgradeAverage Cost (after tax credit & rebates)
Insulation$1,600 – $8,000
ENERGY STAR Appliance Package (Fridge, Microwave, Oven-Stove Range, & Dishwasher)$2,100 – $5,400+
Weatherstripping Installation$130 – $470
Electrical Panel$850 – $2,500
Exterior Door$300 – $1,900
Storm Window$150 – $400 each
Window Replacement$450 – $1,500 per window
HVAC Zoning System$1,700 – $4,500
Solar Panel$12,600 – $31,500
Solar Water Heater$1,500 – $6,600
Solar Battery Storage$5,600 – $11,200
Micro Wind Turbine$500 – $4,000
Geothermal Heat Pump$15,000 – $35,000

Energy Efficiency Tax Credits & Incentives

Tax credits and incentives can significantly reduce the cost of energy efficiency improvements. Homeowners should explore available federal, state, and local programs to take advantage of these financial benefits.

Benefits Of A Home Energy Audit

  • Reduced Energy Bills: Identifying energy leaks and inefficiencies can lead to significant savings on utility bills.
  • Increased Comfort: Improved insulation and air sealing can make a home more comfortable.
  • Environmental Impact: Lower energy consumption means a reduced carbon footprint.
  • Home Value: Energy-efficient homes can command higher resale values.
  • Health and Safety: Proper ventilation and sealed leaks can improve indoor air quality.

Home Energy Audit FAQs

Is A Home Energy Audit Worth It?

Yes, a home energy audit can be a worthwhile investment. The savings on energy bills, along with increased home comfort and environmental benefits, often outweigh the initial cost of the audit.

Can I Do My Own Energy Audit?

While there are DIY methods to conduct a basic energy audit, a professional audit provides a more comprehensive and accurate assessment. Professionals use specialized tools and have the expertise to identify issues that may be missed in a DIY audit.

How Long Does A Home Energy Audit Take?

A professional home energy audit typically takes between two to four hours, depending on the size of the home and the complexity of the audit.

How Often Should You Do A Home Energy Audit?

It is recommended to conduct a home energy audit every five years or whenever significant changes are made to the home, such as renovations or new system installations.

Getting Estimates From Energy Audit Companies

When seeking out energy audit services, it is important to get estimates from multiple companies to compare costs and services provided. Here are some questions to ask a potential home energy auditor:

Questions To Ask A Home Energy Auditor

  1. What tests are included in the audit?
  2. How long will the audit take?
  3. Can you provide references or reviews from previous clients?
  4. What are the qualifications of the auditor?
  5. Will you provide a detailed report with recommendations?
  6. Are there any incentives or rebates available for efficiency improvements?
  7. What follow-up services do you offer?

By asking these questions, homeowners can ensure they are choosing a qualified professional who will provide a thorough and beneficial energy audit.

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