Looking for an energy auditor in Sour Lake, TX? Describe your project once and up to three certified energy auditors who work in Sour Lake and Hardin County get back to you with a quote. It's free and there is no obligation.
Sour Lake is home to about 1,845 people (2024 Census Bureau estimate), a growing community (+4.1% since 2020). With 801 people per sq mi, it is a semi-rural area. Older homes and long heating or cooling seasons make energy audits worthwhile here.
Sour Lake at a glance
- Population (Census Bureau estimate, 2024)
- 1,845 (+4.1% since 2020)
- Rank in Texas
- 636th of 1,224 cities and towns
- Land area
- 2.3 sq mi
- Population density
- 801 people per sq mi (semi-rural)
- Type
- City (Sour Lake city)
- Main county
- Hardin County
What to check before hiring in Sour Lake
- Certification: choose a RESNET or BPI certified professional.
- Rebates: in Texas, 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 Sour Lake
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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 Sour Lake
How much does an energy audit cost in Sour Lake, TX?
It depends on the home and the tests. Describe your home: auditors who serve Sour Lake 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 Sour Lake 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.