Write a review
Sign up
Key Heating & Air Conditioning
About the business:
At Key Heating & Air Conditioning in Alton, we take pride in delivering exceptional HVAC services, specializing as both heating and air conditioning contractors. Our expertise spans across repair services, ensuring your home stays comfortable all year round.
We understand the importance of a well-functioning HVAC system, which is why our team focuses on providing reliable solutions tailored to your specific needs. From installations to routine maintenance, we're here to help keep your systems running smoothly.
With a customer rating of 4.8/5, based on 143 reviews, you can trust us for all your HVAC requirements in the Alton area. Let Key Heating & Air Conditioning be your go-to partner for all things related to heating, cooling, and ventilation.
Services:
All services 5-
Hvac Contractor
Book from $50In Alton, trust Key Heating & Air Conditioning for comprehensive HVAC services. We deliver reliable solutions, ensuring your home's comfort …
-
Air Conditioning Contractor
Book from $50In Alton, we're Key Heating & Air Conditioning – your reliable choice for top-tier air conditioning services. Our team specializes …
-
Air Conditioning Repair Service
Book from $50In Alton, we're your reliable air conditioning repair specialists. When your cooling system falters, count on us to swiftly diagnose …
-
Contractor
Book from $50In Alton, we specialize in comprehensive home service solutions as a Contractor. Our focus is on delivering top-tier HVAC services, …
-
Heating Contractor
Book from $50In a homeowner's chilly moment, turn to Key Heating & Air Conditioning in Alton. We're your reliable heating contractor, providing …
Photos and videos
Hours of operation
- Mon – Sun
- Open 24 hours
Latest reviews
-
David Meuse26 June 2026
Matt resolved the issue with the air handler that was installed last year. (Loose wires evidently). He also diagnosed the problem we were having with an AC condenser unit (failed motor).
-
John Burke26 June 2026
Knowledgeable and helpful with understanding my HVAC options to replace my existing system. Price is competitive.
-
Dana Christian26 June 2026
Matt has worked on our HVAC several times and always does a great job
