About RSP

RSP Heating and Cooling is one of the top heating and air companies in Southern Illinois and the surrounding areas. Since 2004, RSP Heating and Cooling has grown to become the largest Trane Comfort Specialist dealer in Southern Illinois. In addition, we are distinguished as WaterFurnace Geo Pros and a leading installer of Carrier Products. Most importantly, RSP employs an amazing staff of fast and friendly NATE Certified Technicians, client care representatives, and comfort consultants with years of education and experience in the heating and air companies in Southern Illinois.
RSP Hotline: (618) 942-2424

Talk to any of our fantastic customers over the years and they will attest to the service provided at RSP. We hold ourselves to a standard that is well beyond what the industry has come to expect. When you chose RSP, you are choosing an HVAC service provider that will never settle for average. All of our technicians are well trained, and we pride ourselves on always being available in case of emergencies. No one likes to be caught in the heat or cold, let RSP keep you and your home protected!

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Awards and Honors

  • Favorite Heating & Cooling Company

    We have been named Southern Illinois’ Favorite Heating and Cooling company in the Southern Illlinoisan’s Reader’s Choice Awards.

  • Excellence in Customer Service

    RSP is an annual recipient of Trane’s Quest Award for Excellence in Customer Service.

  • Top 5 Trane Dealer

    RSP is ranked as the Top 5 Trane Dealer in the Tri-State Heartland District. This covers all of Missouri, Iowa, and Illinois south of Chicago.


100% satisfaction. Great service. Prompt. Neat work. One of the two providers who showed up on time. The only one who completed the work exactly when they said they would. Friendly customer service. Easy to contact. – Carla Nolen

We were very satisfied with the service we received. Both Josh and Kenny were very knowledgeable and helpful. I would highly recommend RSP to family and friends. Great service and great people. – Wanda Bangs

The install crew was fast, efficient and friendly. They were in and out faster than I thought they would have been with any other company. Excellent work. – Shaun Hampton


24/7 – 365
(618) 942-2424

Mon – Fri: 7:30am – 5pm
Sat – Sun: By Appt.


PO Box 286
Carterville, IL 62918

6951 Grand Road
Carterville, IL 62918