Heat Pumps • Air Conditioners • Gas Furnaces • Ductless Mini-Splits • Package Units • Indoor Air Quality Systems • Ductwork • Thermostats • HVAC Maintenance, Service, Installation & Repair
HVAC Contractor in Pacheco, CA
Over 50 Years of HVAC Service for Pacheco Homes & Businesses
At Connolly Heating & Air Conditioning, we provide HVAC services for homeowners and businesses throughout Pacheco, CA and Contra Costa County. As a family-owned company established in 1971, we service all makes and models.
Whether you need a new air conditioning system, furnace replacement, heat pump installation, HVAC repair, water heater service, duct cleaning, or preventative maintenance, our technicians work on residential and commercial systems. We offer free estimates, financing options, and warranty coverage.
Our primary service area includes Pacheco and communities throughout Contra Costa County, including Martinez and Walnut Creek.
Call (925) 281-3462 today to schedule HVAC installation, repair, or maintenance or request a free estimate.
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Licensed & Insured HVAC Contractor
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Family-Owned Since 1992
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Free Estimates Available
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Financing Options Available
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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.
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“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.
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“Everyone was helpful, knowledgeable and professional. Would definitely use again and recommend.”- Beth K.
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“Brian was extremely professional, thorough, and spent time discussing options with us to replace our HVAC and water heater.”- Doug & Vicki H.
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“All of the Connolly staff are top notch and get the job done!”- Jessica L.
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“We are very happy with Chris’ work ethic, professionalism and friendly manner.”- Barbara L.
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“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.
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“Everyone I spoke with from the woman who was on the phone to the technician Chris was friendly and professional.”- Kat R.
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“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.
Family-Owned HVAC Company Serving Pacheco Since 1971
We provide year-round heating and cooling service for homeowners and businesses throughout Contra Costa County.
We provide straightforward recommendations based on the condition of your equipment, your comfort needs, and whether repair or replacement makes sense.
NATE-Certified Technicians & Established Service Standards
Our North American Technician Excellence (NATE)-certified technicians meet recognized standards for heating and cooling knowledge. We’re also Building Performance Institute (BPI®) certified, reflecting national standards for home performance and energy efficiency. As a Carrier® Factory Authorized Dealer, we meet the manufacturer’s requirements for technical knowledge, customer service, and business practices.
We service all makes and models, not only Carrier® equipment. Customer reviews describe our staff as helpful, knowledgeable, professional, prompt, courteous, and thorough. Our work is supported by a satisfaction guarantee and available warranty coverage.
Free estimates help you understand the proposed service before moving forward. Financing options are also available for customers who prefer to manage the cost of qualifying HVAC work over time.
Schedule HVAC Service for Your Pacheco Property
Contact us to discuss HVAC installation, repair, replacement, or maintenance for your home or business. We can evaluate your needs, explain the available options, and provide a free estimate.
Our NATE-certified technicians service all makes and models, and we offer free estimates, financing options, available warranty coverage, and a satisfaction guarantee.
Call (925) 281-3462 to request HVAC service or a free estimate.
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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.
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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.
