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Walnut Creek Residential HVAC Services

Serving Homes Across Concord, Pleasant Hill, & Lafayette 

Connolly Heating and Air Conditioning is your trusted partner in keeping your home comfortable. Our skilled and well-trained HVAC professionals are ready to tackle any heating or cooling issue, no matter how big or small. 

Our residential HVAC services include:

Call (925) 281-3462 or contact us online to book your residential HVAC services in Walnut Creek.

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  • Customer Satisfaction Guaranteed
  • Industry Experts Established in 1971
  • Ask Us For A FREE Estimate
  • Financing Options Available
  • We Service All Makes and Brands

Common Heating & Air Conditioning Problems We Solve 

We're committed to providing swift, effective solutions for a wide range of HVAC issues. From minor annoyances to major breakdowns, our NATE-certified, factory-trained team can help restore your comfort quickly and efficiently.

We offer solutions to these HVAC challenges:

  • Uneven heating or cooling
  • Strange noises 
  • Frequent cycling on and off 
  • high energy bills due to system inefficiencies
  • Poor indoor air quality
  • Thermostat issues
  • Leaks or moisture issues
  • Dirty or clogged filters 
  • Mechanical wear and tear 
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Hear From Our Happy Customers

We love hearing from our customers! If you've had us work on your HVAC system, we would love to hear from you too.

    “Five Stars!”
    “We have had a maintenance program with Connolly for several years. Chris goes above and beyond in all that he does to provide the best experience possible for his customers.”
    - Dianne B.
    “Helpful, knowledgeable and professional”
    “Everyone was helpful, knowledgeable and professional. Would definitely use again and recommend.”
    - Beth K.
    “Prompt, courteous and professional”
    “Brian was extremely professional, thorough, and spent time discussing options with us to replace our HVAC and water heater.”
    - Doug & Vicki H.
    “A true lifesaver”
    “All of the Connolly staff are top notch and get the job done!”
    - Jessica L.
    “Efficient and reasonably priced services”
    “We are very happy with Chris’ work ethic, professionalism and friendly manner.”
    - Barbara L.
    “I have no hesitation in recommending them”
    “There was no high pressure sales, only options for me to choose from. They quoted me a two-day installation but it was completed in just one-day. I appreciate a company that underpromises but over delivers.”
    - Tim F.
    “Went above and beyond”
    “Everyone I spoke with from the woman who was on the phone to the technician Chris was friendly and professional.”
    - Kat R.
    “Repaired my A/C within 30 minutes”
    “The next day, technician Russ showed up and repaired my A/C within 30 minutes. A/C is working great. I highly recommend Connolly Heating and Air Conditioning.”
    - Rosalind B.

Contact Connolly Heating & Air Conditioning Today!

We’re Ready to Help

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