Top-Rated Home Energy Auditors in Ann Arbor, MI
3 local auditors ranked by 115 Google reviews. Free to compare, no sign-up.
Short answer: The top-rated home energy auditors in Ann Arbor are D.R. Nelson & Associates, Inc. (5.0★, 4 reviews), Spink Insulation (4.6★, 31 reviews), Fiberclass Insulation (4.0★, 80 reviews).
Home energy auditors in Ann Arbor, ranked
- D.R. Nelson & Associates, Inc.Top pick5.0 (4 Google reviews)5920 N Adams Rd, Troy, MI 48098
- 4.6 (31 Google reviews)951 E South St, Jackson, MI 49203
- Fiberclass InsulationMost reviews4.0 (80 Google reviews)50370 Dennis Ct, Wixom, MI 48393
Every company here is on RESNET's 2026 list of HERS rating companies and has an office within 80 km of Ann Arbor. See every home energy auditor we list, rated or not. Check your utility's own assessment before you pay for an audit.
Together these 3 companies average 4.2★ across 115 reviews. Fiberclass Insulation has the most reviews (80).
Ranked by Google rating weighted by review count, collected October 2026. Rankings are not paid for. How we rank and how we make money.
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- A one-page Ann Arbor rebate sheet to print or email to clients, with every open program, the main rule and the official source. Open the rebate sheet.
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What a home energy audit costs in Ann Arbor
Some utility programs pay for the assessment. Ask each auditor for the price of the audit and any test-out visit after the work, so you can compare.
Check whether each one needs an energy assessment or pre-approval before work starts. That could cut your cost by up to $6,500 if you qualify. Most rebates have rules (income, your current heating, a registered contractor, approval before work starts).
Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.
What a home energy audit covers in Ann Arbor
A home energy auditor visits your home and finds where it wastes energy. Most test how much air leaks out with a blower door, check insulation in the attic, walls and basement, and look at your heating, cooling and hot water. You get a report that lists upgrades in order of value.
If your program needs an audit, book it first. Some utility insulation and air sealing programs pay only after an assessment, and some need it before any work starts. Ask your utility whether an outside auditor's report counts, or whether you must book through the program.
In Michigan, DTE pays a $50 rebate for a blower door pre-test, and $75 to $150 for air sealing that cuts air leakage by 10% to 40%. Electric customers who heat with an air source heat pump or baseboards can get 50% of the cost of a comprehensive audit, air sealing and insulation, up to $5,000.
Source: DTE home energy assessment.
Before you hire a home energy auditor
- Ask whether they are BPI certified or a RESNET HERS rater, and whether they run a blower door test.
- Ask whether your utility's insulation or heat pump program accepts their report, or whether you must book through the program.
- Ask what the audit costs, what the report includes, and whether a test-out visit after the work costs extra.
- Ask whether they also sell or install upgrades. An auditor who does not sell gives the most neutral advice.
Questions about home energy auditors in Ann Arbor
Who is the best home energy auditor in Ann Arbor?
Based on Google reviews, the top-rated home energy auditors in Ann Arbor are D.R. Nelson & Associates, Inc. (5.0★, 4 reviews), Spink Insulation (4.6★, 31 reviews), Fiberclass Insulation (4.0★, 80 reviews). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.
How are the home energy auditors in Ann Arbor ranked?
We list 3 home energy auditor companies in Ann Arbor, ranked by Google rating weighted by review count. Together they have 115 Google reviews and average 4.2 stars, collected October 2026. Fiberclass Insulation has the most reviews (80). No company pays to be listed or ranked.
How much does a home energy audit cost in Ann Arbor?
Prices vary by auditor and by the size of your home. Some utility programs pay for the assessment. Ask each auditor for the price of the audit and any test-out visit after the work.
Are there rebates for home energy upgrades in Ann Arbor?
Yes. Our verified program data shows insulation rebates up to $1,000, heat pump rebates up to $5,500 open in Ann Arbor. Check whether each one needs an energy assessment before work starts. Most rebates have rules, such as income, your current heating, a registered contractor, or approval before work starts, so check the rebate page before you sign.
Do I need an energy audit before I upgrade in Ann Arbor?
If your program needs an audit, book it first. Some utility insulation and air sealing programs pay only after an assessment, and some need it before any work starts. Ask your utility whether an outside auditor's report counts, or whether you must book through the program. In Michigan, DTE pays a $50 rebate for a blower door pre-test, and $75 to $150 for air sealing that cuts air leakage by 10% to 40%. Electric customers who heat with an air source heat pump or baseboards can get 50% of the cost of a comprehensive audit, air sealing and insulation, up to $5,000.
What should I ask a home energy auditor before I hire?
Ask whether they are BPI certified or a RESNET HERS rater, and whether they run a blower door test. Ask whether your utility's insulation or heat pump program accepts their report, or whether you must book through the program. Ask what the audit costs, what the report includes, and whether a test-out visit after the work costs extra.
Before you call anyone, check what home energy auditor rebates you can get in Ann Arbor. Many programs require approval or a registered contractor before work starts.
Planning more upgrades? See the top-rated heat pump installers, solar installers, insulation installers, home battery installers in Ann Arbor.
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