Looking for an energy auditor in Hermantown, MN? Describe your project once and up to three certified energy auditors who work in Hermantown and St. Louis County get back to you with a quote. It's free and there is no obligation.
Hermantown is home to about 10,265 people (2024 Census Bureau estimate), a stable community (+0.4% since 2020). With 299 people per sq mi, it is a semi-rural area. Older homes and long heating or cooling seasons make energy audits worthwhile here.
Hermantown at a glance
- Population (Census Bureau estimate, 2024)
- 10,265 (+0.4% since 2020)
- Rank in Minnesota
- 101st of 855 cities and towns
- Land area
- 34 sq mi
- Population density
- 299 people per sq mi (semi-rural)
- Type
- City (Hermantown city)
- Main county
- St. Louis County
What to check before hiring in Hermantown
- Certification: choose a RESNET or BPI certified professional.
- Rebates: in Minnesota, check your utility's programs before booking: some require their own approved auditors.
- Test-in, test-out: a blower door test before and after upgrades shows the result.
- Price drivers: home size, tests included and report detail.
Useful official resources
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ENERGY STAR
Energy efficiency guidance for homes.
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RESNET
Find a certified HERS rater.
Services available in Hermantown
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Home energy audit
Whole-home assessment with blower door test and infrared scan, with a prioritized list of upgrades.
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HERS rating
HERS Index rating of a new or existing home by a RESNET-certified rater, for code compliance or programs.
Frequently asked questions in Hermantown
How much does an energy audit cost in Hermantown, MN?
It depends on the home and the tests. Describe your home: auditors who serve Hermantown reply with a quote.
How long does it take?
Usually two to four hours on site.
Will the auditor sell me upgrades?
Some do; an independent auditor gives a neutral list.
Which certified energy auditors will contact me?
Up to three independent certified energy auditors who serve Hermantown and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.