About Our Company

Get peace of mind knowing Dyer Services Unlimited has been offering HVACR services since 1986 and is fully insured for your protection.

Our professionals are experts in the field and have served as teachers for the Job Corps for HVACR, as well as HVACR teachers to state prisoners for the State of Arkansas. Our experts taught four courses including introduction to centrifugal chillers, introduction to chill water systems, EPA refrigerant certification, and intro to R-410-A.

Family-owned and operated by Jim Dyer. Hire the pros with more than 3 decades of experience!

EPA certified and ready to serve
  • EPA Universal Certification since 1994 #2026644
  • Class A HVACR contractor license #0090509
  • Hatachi Horizontal screw compressor service and maintenance certified since 2011
  • OSHA 30 certified #20-900429692
  • Class 1 waste water operator #3163
  • Environmental systems teacher certified 1988-1994
We Pass Our Good Company Values On to You

At Dyer Services Unlimited, we embody world class service in addition to our over 37 years of experience in the heating, ventilation, air conditioning, and refrigeration industry. We build long-term working relationships with you by delivering value every day and earning your trust by keeping our promises.

We want to help you save! Call (501) 483-8638 and ask how you can get discounts on sales and service for maintenance contracts, churches, or medical facilities.

What Our Customers Say...