Heating and Cooling Service, Installation, Repair and Sales

HVAC Certified Technicians. Heating and Cooling Services when you need it including
24-Hour Emergency Service Available!


Summer Full System Special

Take advantage of these super low seasonal prices for a full HVAC system. You can’t beat these prices! Call 309.349.0977

$6,800.00 complete HVAC system which includes 80% efficiency furnace and up to a 3 ton 14 seer a/c unit.

$7,400.00 complete HVAC system which includes a 95% efficiency furnace and up to a 3 ton 14 seer a/c unit.

Our Services & More

Providing over 15 years of quality service, top-of-the-line products, certified installation and repairs for Cooling and heating,
in the Peoria, IL and surrounding areas. We're Licensed Certified HVAC Professionals.
24 Hour Emergency Service Available: For Heating and Cooling call services call 309.349.0977

HVAC Heating Repair installation, & Maintenance

Looking for services on your furnace, new heating equipment built to last, or just looking for a maintenance plan? We offer all this and more. Give us a call today!

HVAC Cooling Repair, Installation, & Maintenance

From small repairs to large AC installations we are here to help from start to finish offering affordable maintenance plans to keep your AC investment running smoothly.

Ductless Heating & Cooling Systems

Looking to heat or cool one or more spaces in your home for a more comfortable environment? Choose our RunTru® Ductless Systems and replace those old inefficient window units.

Indoor Air Quality Systems

If you are concerned about your airs quality ask us about humidifiers, dehumidifiers, and purifiers for your home. We're here to help!

Heating & Cooling Products

We sell top-notch air conditioners, furnaces, thermostats and controls, air handlers, heat pumps, specializing in RunTru® Products...the newest name in heating and cooling systems.

Service Specials & Credits

Get our latest specials on heating and cooling and see how you can save on energy efficient products. Coming Soon!

Why Choose Us

Diamond Climate Control Systems customer satisfaction has always been exceptional going above and beyond helping our customers with their heating and cooling needs. We take extra care to do the job right meeting local codes. We provide same day service in most cases and also provide 24-hour emergency services for heating and cooling emergencies. We serve residential clients and offer a variety of money-saving solutions. Our technicians are HVAC certified providing top-of-the-line equipment.

Diamond Climate Control Systems combine our use of the highest quality parts and equipment, and our dedication to delivering exceptional service to satisfy our customers. We provide top-notch services for air conditioner and furnace repairs, sales, and installation in the Peoria, IL and surrounding areas. 

Looking for a heating and cooling maintenance plan? We provide affordable maintenance plans keeping your investments running smooth giving more life to your heating and cooling system. 

Client Testimonials


How Can We Help You!

Let us know what services you’re looking for for your heating and cooling needs.

Hours of Operation: Monday-Sunday: 8am-6pm

Phone: 309.349.0977

24-Hour Emergency Service: