WE DO FINANCE! Get 0% 12 Months Deferred Interest Upon Approval
Skip to Content Top
Your California Air Care Specialists

Serving Walnut Creek, CA & Surrounding Communities With Quality Residential & Commercial HVAC Since 1971

Leading Our Industry in Air Care Comfort

Walnut Creek HVAC Services

At Connolly Heating and Air Conditioning, we offer more than just services; we provide honest solutions and a commitment to quality. Our workmanship guarantee stands as a testament to our dedication. With us, you're not just getting repairs or installations; you're gaining a dependable long-term ally in ensuring your home's comfort.

As a NATE-Certified contractor and a Carrier factory-trained dealer, we walk the talk. We bring you the best in HVAC technology, combined with services that speak for themselves. Our team provides free estimates and flexible financing options, catering to both urgent repairs and new installations. As a fully licensed and insured service provider for over five decades, we're committed to your peace of mind. 

Call (925) 281-3462 or contact us online for HVAC services in Walnut Creek, Concord, Pleasant Hill, Lafayette, and the surrounding areas.

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

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.

Affordable & Professional HVAC Services 

Back in 1971, Connolly Heating and Air Conditioning started with a simple goal: to provide reliable HVAC services. Fast forward to today, and we're a name that families and businesses trust for all their heating and air conditioning needs. Our secret? It's not just about fixing issues; it's about creating comfort and building lasting relationships.

We're more than professionals. We're your neighbors, committed to ensuring your home or workplace has the ideal temperature all year round. Our focus has always been on delivering high-quality service with a personal touch. It's about being there for you, understanding your needs, and ensuring you get the comfort you deserve without breaking the bank.

Your Go-To Team for Comfort & Efficiency

We want to help create an environment where you feel relaxed, safe, and happy. We bring you this comfort with a blend of modern efficiency and good old-fashioned customer service. From regular maintenance to emergency repairs, our team handles it all with the same dedication and attention to detail. 

Schedule a free estimate for your next HVAC service. Call (925) 281-3462 or contact us online to get started.

We're Not Comfortable Until You Are

We provide quality HVAC services along with regular discounts and maintenance plans. Call Connolly Heating & Air Conditioning today for comfort you can count on.

  • Special Offers Priceless HVAC service that you can afford!
    Beat the heat or stay cozy warm without breaking the bank. Check out our coupons and make every breath at home a refreshing and budget-friendly experience.
  • The Connolly Blog Hear from industry experts with decades of experience!
    View our blog to learn about our tricks of the trade! We've gathered the best tips to share with you to help you keep your home comfortable, no matter the season.
  • Maintenance Plans Peace of mind with year-round protection!

    Keep your HVAC system protected with one of our maintenance plans! You'll score some exclusive savings and have the comfort of knowing that your HVAC systems are running smoothly.

  • North American Technician Excellence (NATE) Certified
  • Carrier Factory Authorized Dealer
  • Building Performance Institute (BPI) Certified Professional
  • Carrier Factory Authorized Dealer Presidents Award 2021
  • Carrier Factory Authorized Dealer Presidents Award 2022
  • BBB Accredited Business

What Are You Waiting For?

Contact Us Today!
  • Please enter your first name.
  • Please enter your last name.
  • Please enter your phone number.
    This isn't a valid phone number.
  • Please enter your email address.
    This isn't a valid email address.
  • Please lookup your address.
  • Please make a selection.
  • Please enter a message.
  • By submitting, you agree to be contacted about your request & other information using automated technology. Message frequency varies. Msg & data rates may apply. Text STOP to cancel. Acceptable Use Policy