About ETRU

ETRU About Team Photo


Located in Southern Illinois, ETRU serves the HVAC, insulation and spray-coating needs of both commercial and residential customers throughout the midwestern United States. Originally NewComb Heating & Air, ETRU is a family-owned business with many years of experience and a strong background in HVAC applications. As testament to this statement, owner Ryan Newcomb alone has over 17 years in construction experience and 10+ years experience on refrigeration equipment having repaired thousands of HVAC units.  Combined with the individual works experiences of our team members, ETRU is second to none in terms of capability and know-how with over 75+ years of combined experience.


Over time, ETRU has evolved to also encompass serving a growing need for professional spray coating services which include the residential and commercial application of spray insulation, moisture protection, roofing, as well as industrial applications for concrete jacking, soil stabilization and much more.  Additionally, we are a licensed applicator of the product, SpectraShield; a polymeric lining system leading product in the polyurea coating industry.  


As a company, ETRU takes pride in doing the job the right way, the first time.  Are you a contractor, engineer or municipality?  We will work with you and your team to deliver timely and efficient results on your next project.  Are you a homeowner?  We will gladly work directly with you as well answering any questions you have along the way to get your job done right.

Partners in Construction

Proud Partners with

We Produly Partner with TRU-BILT

Tru-Bilt Construction Services

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Integrity & Honesty

We Finish the Job Right the First Time

100% Satifaction Guaranteed

24hr Emergency Service

Licensed & Insured

Over 75 years of Combined Experience


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