4.6 
353 *The Angi rating for Heating And Air Conditioning Service companies in Winnetka, CA 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 Winnetka, CA 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 March 23, 2026
Serving Winnetka, CA and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"Top-notch installation! The new HVAC system is super efficient and the crew explained everything clearly. They handled the entire job with care. I feel the temperature difference immediately?very satisfied!"
+24
Serving Winnetka, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2006
Free estimates
Emergency services offered
"We noticed a foul smell coming from one of the vents in our HVAC system. We turned the system off and called AC Dave. Dave sent Justin and James to troubleshoot the problem. They quickly found a tear in one of our ducts--and the remains of a dead rodent. They cut open the duct, cleaned it and resealed it. We had heat again, about an hour after they arrived. Very fast and competent service."
+6
Serving Winnetka, CA and surrounding areas
Approved
In business since 1990
Free estimates
Warranties offered
"Sabaz and his assistant were prompt and cordial. They did a neat job. I will call them again to service my HVAC ducts in the attic.
Thanks guys!
"
+11
Serving Winnetka, CA and surrounding areas
Approved
Super Service Award Winner
In business since 1985
Free estimates
Credit card accepted
"Worked with Tim - was looking for new HVAC system. He was honest and provided the best price for what you got (literally thousands of dollars cheaper from other options I was finding). Was very communicative and easy to work with. He made sure to educate you on the ins-and-outs of HVAC systems, and did not try to upsell you like other companies might do. He and Efficiency Air definitely got me as a new continued client."
+50
Serving Winnetka, CA and surrounding areas
Approved
In business since 1994
Warranties offered
Credit card accepted
"Had a new HVAC unit installed at my rental home. Was walked through the bid process and the work was done very quickly. Appreciate the customer service I received. Everyone was professional and answered my quetions."
Serving Winnetka, CA and surrounding areas
Approved
In business since 2019
Free estimates
Warranties offered
"Installed a new HVAC system. They were punctual and professional. I'm very pleased."
+87
Serving Winnetka, CA and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Haroon provided excellent HVAC service from start to finish at Help-Me HVAC LLC. He was professional, punctual, and courteous, and he took the time to explain everything clearly. The service was efficient, the workmanship was excellent, and the whole experience was smooth and stress-free. I would definitely recommend Help-Me HVAC LLC and Haroon for reliable HVAC service."
Serving Winnetka, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Emergency services offered
"I needed my HVAC system urgently repaired, the technician arrived promptly to resolved the issue. They were professional and knowledgeable and gave me honest recommendations & also was very helpful. Highly recommend! Thank you!"
+22
Serving Winnetka, CA and surrounding areas
Approved
In business since 2004
Free estimates
Offers commercial services
"They responded right away and were able to get my A/C running quickly on a very HOT day. My heros basically. Coming back to do a HVAC cleaning service next week!"
Serving Winnetka, CA and surrounding areas
Approved
In business since 2021
Free estimates
Credit card accepted
"I would highly recommend KoolGuysHVAC. They did such an amazing job my AC unit wasn?t blowing out any cool air and they had a technician come out and fix problem immediately and even changed out my vent filter. They worked so quickly and efficiently, I will definitely be using them for all of my HVAC and AC needs."
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