Looking for an energy auditor in Lemmon, SD? Describe your project once and up to five certified energy auditors who work in Lemmon and Perkins County get back to you with a quote. It's free and there is no obligation.
Lemmon is home to about 1,141 people (2024 Census Bureau estimate), a shrinking community (−1.0% since 2020). With 1,039 people per sq mi, it is a suburban area. Older homes and long heating or cooling seasons make energy audits worthwhile here.
Lemmon at a glance
- Population (Census Bureau estimate, 2024)
- 1,141 (−1.0% since 2020)
- Rank in South Dakota
- 59th of 310 cities and towns
- Land area
- 1.1 sq mi
- Population density
- 1,039 people per sq mi (suburban)
- Type
- City (Lemmon city)
- Main county
- Perkins County
What to check before hiring in Lemmon
- Certification: choose a RESNET or BPI certified professional.
- Rebates: in South Dakota, 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 Lemmon
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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 Lemmon
How much does an energy audit cost in Lemmon, SD?
It depends on the home and the tests. Describe your home: auditors who serve Lemmon 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 five independent certified energy auditors who serve Lemmon 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.