Leaders in HVAC

Solutions & Services


Mechanical Services

ENTEC’s Mechanical Services include: Generator Service, Chiller Service, Heating Plant Optimization, Cooling Plant Optimization, Test & Balance and HVAC Service & Solutions.

Control Systems

ENTEC’s Control Systems include: Building Automation, Lighting, Building Access and Security Access.

Energy & Solutions

ENTEC’s Energy & Solutions include: Energy Star Audits, Building Performance Analytics, Retro-Commissioning, Measurement & Verifications and Energy Services.

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ENTEC Services, Inc. proudly offers top-quality commercial building solutions with customer service to match. ENTEC has been engineering innovative building solutions throughout Central Illinois and the Midwest since 1981.

ENTEC specializes in a number of cutting-edge technologies, such as retro-commissioning, building performance analytics and advanced chiller optimization that is unmatched by other service providers.

ENTEC knows that you care about your customers. What makes us a different kind of service company is that we care about them, too. We strive to not only help you invest in your business, but also to form a valuable partnership based on quality and trust.

  • 1981

    Year Established

  • 10,000

    Projects Completed

  • $4.4M

    Energy Incentives

  • 24/7



Hope Church

Figge Art Museum

Bank of Springfield Center




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Peoria Office

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Springfield Office

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For any inquiries, questions or comments, please call: 309-697-2122 or fill out the following form

ENTEC Services, Inc

4300 Entec Drive
Peoria, IL 61607

​427 East Monroe Street, Suite 202
Springfield, IL 62701

Tel: 800-383-2122
Fax: 309-697-8119


To view jobs and/or to apply for a job with ENTEC, please go to ENTEC Services Careers