4.7 
2k+ *The Angi rating for Heating And Air Conditioning Service companies in Olathe, KS 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 Olathe, KS 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 May 23, 2025
Serving Olathe, KS and surrounding areas
Approved
In business since 1985
Free estimates
Emergency services offered
"Took two trips, but they checked all the electrical components in our HVAC thoroughly and found tiny bits of melted plastic on a coil that shorted out the a/c. Saved us so much money. Very professional company."
+39
Serving Olathe, KS and surrounding areas
Approved (Corporate)
In business since 1951
Free estimates
Emergency services offered
"Technician was quiet, unobtrusive, efficient. He told me what work was done and the condition of my HVAC system. He dutifully recommended a couple of accessory items for me to consider, but did not “push” them."
+38
Serving Olathe, KS and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Delivered the service as promised! Both Mike and Jake are friendly and answered all of my questions. They Cleaned up area around vents on main floor but I found several areas left in the basement. Even though I was cleaning after they left I was surprised to find these areas after the careful attention to detail demonstrated in other areas. I wouldn t hesitate to call them again though."
Serving Olathe, KS and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Antoine and his Service Specialist were very polite and pleasant. Diagnosed on Tuesday and repaired on Wednesday. Nice and honest guys! Prompt service, also called ahead before coming out. Made sure to clean after themselves and replaced the heating element in no time. Reasonable pricing as well! I would recommend All 4 One Heating & Cooling. Thanks Guys!"
Serving Olathe, KS and surrounding areas
Approved
Super Service Award Winner
Free estimates
Warranties offered
Credit card accepted
"Installed a new AC and furnace for waaay less than what Anthony’s quoted me. Erick was affordable and did quality work, will definitely work with him on other future projects."
Serving Olathe, KS and surrounding areas
Approved
In business since 2018
Free estimates
Credit card accepted
"Sean was a real pro, will have him or his company back for any hvac issues, thanks."
Serving Olathe, KS and surrounding areas
Approved
In business since 2014
Free estimates
Credit card accepted
We are a trusted leader in our trade, known for reliable execution, integrity, and excellent client communication. Our priority is providing quality work while ensuring you are well-informed throughout your project. We welcome the chance to earn your business
Serving Olathe, KS and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"Very responsive and professional. Went above and beyond to help me with HVAC, plumbing and other services. Great work! They are my go to for HVAC services! Highly recommend!!"
Serving Olathe, KS and surrounding areas
Approved (Corporate)
In business since 2000
Emergency services offered
Credit card accepted
"Friendly and easy to work with. Installed new AC as promised. Cleaned up nicely."
Serving Olathe, KS and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"All about air came out rectified the problem and done an excellent job. I would recommend them to anyone"
+9
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