Looking for an energy auditor in Ray, ND? Describe your project once and up to three certified energy auditors who work in Ray and Williams County get back to you with a quote. It's free and there is no obligation.
Ray is home to about 756 people (2024 Census Bureau estimate), a growing community (+2.4% since 2020). With 573 people per sq mi, it is a semi-rural area. Older homes and long heating or cooling seasons make energy audits worthwhile here.
Ray at a glance
- Population (Census Bureau estimate, 2024)
- 756 (+2.4% since 2020)
- Rank in North Dakota
- 68th of 355 cities and towns
- Land area
- 1.3 sq mi
- Population density
- 573 people per sq mi (semi-rural)
- Type
- City (Ray city)
- Main county
- Williams County
What to check before hiring in Ray
- Certification: choose a RESNET or BPI certified professional.
- Rebates: in North 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 Ray
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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 Ray
How much does an energy audit cost in Ray, ND?
It depends on the home and the tests. Describe your home: auditors who serve Ray 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 Ray 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.