4.5 
124 *The Angi rating for Heating And Air Conditioning Service companies in Carterville, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Carterville, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on October 24, 2026
Serving Carterville, MO and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Great communication. Very personable and easy to work with. Diagnosed my furnace issue in less than 20 minutes."
Serving Carterville, MO and surrounding areas
Approved
In business since 1965
Free estimates
Credit card accepted
At Paschal there is a single statement that we live by every day. Professional People. Professional Service. Being a professional is more than just earning a living through an occupation. Professionalism involves consistently achieving high standards, both visibly and behind the scenes whatever your role or profession. \n \nProfessionalism is a powerful quality. It allows you to fulfill your role to the best of your ability. It helps you to impress and inspire others. And it gives you a deep sense of satisfaction and self-worth. \n \nWhat's more, professionalism is something that everyone can aspire to from day one of their career. \n \nA Paschal Professional gives 150% every day. They go above and beyond what needs to be done. They have pride & satisfaction in every project they tackle.
Serving Carterville, MO and surrounding areas
Approved
We have over 10 years experience with repair maintenance and installing hvac units
Serving Carterville, MO and surrounding areas
Approved
In business since 2003
Free estimates
Offers commercial services
"Ruby Construction was very professional... very clean work, good after-work clean up, I felt they offered fair prices and I am happy with the outcome. I will definitely use them again!"
Serving Carterville, MO and surrounding areas
Approved
First year election. Looking to join the residential electrician field!
Serving Carterville, MO and surrounding areas
Approved
Big or small, I do it all! Small repaints to fully custom carpentry and finish work, old school quality craftsmanship without corporate overhead. As a one-man operation, you deal directly with the person doing the work, competitive pricing, no excuses.
Serving Carterville, MO and surrounding areas
In business since 2025
Free estimates
Emergency services offered
The Wright Way HVAC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. \n
+6
Serving Carterville, MO and surrounding areas
Emergency services offered
"Prompt, friendly service. Would definitely use them again if needed."
+1
Serving Carterville, MO and surrounding areas
Serving Carterville, MO and surrounding areas
In business since 2014
Free estimates
Emergency services offered
"Great guys to work with. Did the job right and did a super job cleaning up. Thx guys. Wife also found them a referral based on great work"
From average costs to expert advice, get all the answers you need to get your job done.
A central air system is great for someone looking to cool and heat their home all year round. Even if your home uses baseboard heating, you can still make the switch. Read on to learn more about adding central air to a baseboard-heated house.
Try these 12 top tips to keep your air conditioner working at maximum efficiency. Stay cool, and minimize energy costs with this expert air conditioning advice.
Learn how to save money on air conditioning costs this summer by following this handy guide all about your favorite cooling system.
Is it time for a new cooling system for your home? Check out this guide to get a head-to-head comparison of heat pump vs. air conditioner systems.
Air-source heat pumps are an energy-efficient way to heat and cool your home. Learn the pros and cons of this heating method.
Retrofitting your house for AC is, surprisingly, not too hard. Here’s what you’ll need to consider to make it happen.
