3 Best HVAC Services in Walnut Creek, CA

Expert-recommended Top 3 HVAC Repair in Walnut Creek, California. All of our Heating & Air Conditioning Services actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

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CHILL HEATING & COOLING

11 Calle Estate,
Walnut Creek, CA 94597

Since 2019

Specialty:

✓AC Repair ✓AC Maintenance ✓AC Replacement ✓Heating System Repair ✓Heating System Installation ✓Heating System Maintenance ✓Residential Heat Pump Repair ✓Residential Heat Pump Installation ✓Residential Heat Pump Maintenance ✓Heat Pump Replacement ✓Heating Services ✓Commercial Heating Services ✓Commercial Refrigeration ✓Residential Heat Pump Services

" Chill Heating & Cooling is a trusted provider of expert HVAC services, offering tailored installations, repairs, and maintenance to keep homes and businesses comfortable year-round. The company has grown to serve over 10,000 clients while staying true to its mission of keeping customers cool in the summer and warm in the winter. Their “chill,” relaxed service model emphasizes simplicity, speed, and friendliness. Chill Heating & Cooling delivers honest, high-quality solutions backed by strong values and a people-first culture with certified and highly skilled technicians. They hold a California Contractor’s License (C-20 HVAC), maintain EPA certification, and offer fast scheduling with reliable service. As a family-owned business trusted by more than 94,000 satisfied customers, including major brands like Hilton, Marriott, and Hyatt, they bring decades of HVAC expertise to every job. Their licensed, certified team includes Carrier Factory Authorized Dealers and Mitsubishi Diamond Contractors, ensuring top-tier service.

2026 Highlights: Chill Heating & Cooling is equipped to diagnose, repair, replace, or install any heating, cooling, or refrigeration system with integrity and professionalism."

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License #5018851

Price:

Diagnostic Fee $89

Discount:

Save Up to 10k Off on Tax Credits, and 0% Financing on New Install

Contact:

(925) 350-7558

Open 24 Hours

TBR® Inspection Report:

GALAXY HEATING & AIR CONDITIONING

3301 Vincent Road, Pleasant Hill,
Walnut Creek, CA 94523 Directions

Since 2009

Specialty:

✓Heat Pump Installation ✓Replacement and Repair ✓Furnace Installation ✓Replacement and Repair ✓Ductless Mini-Split Installation ✓Replacement and Repair ✓Complete Hvac System Installation ✓Replacement and Repair ✓Commercial Hvac Services ✓Heating and Cooling System Maintenance and Repair

" Galaxy Heating & Air Conditioning is a locally owned HVAC company based in Pleasant Hill, serving Bay Area homeowners and businesses. They install, replace, and repair heating and cooling systems, heat pumps, furnaces, ductless mini-splits, and full HVAC systems, and provide commercial HVAC service across Contra Costa County, Alameda County, and San Francisco. They hold a California contractor license, are Diamond Certified, and stand behind their installation work with a 5-year labor warranty. They focus on providing high-quality comfort solutions with honesty and a personal touch. The company specializes in energy-efficient heating, cooling, and electrical upgrades designed for the Bay Area's unique climate. They offer expert installation of heat pump systems, upgrades for electrical panels in modern homes, and 24/7 emergency service. Their certified team ensures each installation and repair is done right the first time. As a Diamond Elite Mitsubishi dealer and American Standard Platinum dealer, Galaxy provides highly efficient and reliable equipment. They are committed to professionalism and customer satisfaction, backing every project with strong guarantees and clear communication.

2026 Highlights: Galaxy Heating & Air Conditioning means working with a local team dedicated to delivering comfort and peace of mind for their customers. They offer a free service call with repair."

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License #1076868

Price:

Service Call Special $59

Discount:

Get 10% Off on Repairs

Contact:

(925) 578-3293 (925) 578-3379

Mon-Sun: Open 24 Hours

TBR® Inspection Report:

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CONNOLLY HEATING AND AIR CONDITIONING

Walnut Creek & Surrounding Areas,
Walnut Creek, CA 94553

Since 1971

Specialty:

✓Air Conditioning ✓Air Duct Installation and Replacement ✓Air Handler Installation and Repair ✓Ductless Mini Split Installation and Repair ✓Furnace Installation and Repair ✓Heat Pump Installation ✓Repair and Conversion ✓Zone Control Systems ✓HVAC Maintenance ✓Commercial Air Conditioning ✓Commercial Heating Repair and Replacement

" Connolly Heating and Air Conditioning provides reliable heating and cooling services throughout Contra Costa County. The company is dedicated to delivering industry-leading HVAC solutions, offering system design and installation, air duct cleaning, and a range of services that improve indoor air quality for both residential and commercial clients. Connolly Heating and Air Conditioning is also qualified to assess energy use and provide effective energy-saving recommendations. Owner Norman Grimes takes great pride in his family business and credits its success to a highly skilled, handpicked team of installers, service technicians, and office staff. Each member plays an essential role in ensuring clients receive exceptional service from start to finish. The team understands the importance of proper HVAC system design, precise execution, and the need for consistently high-quality workmanship. Connolly Heating and Air Conditioning emphasizes strong quality control at every stage of service, a priority Grimes believes is key to achieving the best results. Since its inception, the company has remained committed to taking care of customers and addressing their concerns promptly. Clients can expect professional service, attentive care, and results that exceed expectations when working with the Connolly team.

2026 Highlights: Connolly Heating and Air Conditioning has 55 years of experience in the field."

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License #658796

Price:

Dispatch Fee $45

Discount:

Get FREE Full Year of Maintenance

Contact:

(925) 281-3462 (925) 288-1408

Mon-Fri: 8am - 5pm
Sat & Sun: Closed

TBR® Inspection Report:

Frequently Asked Questions About HVAC Services in Walnut Creek, CA

Carefully selected questions to evaluate important aspects.Comparing the answers helps you choose the service that best suits your needs.

1. What advanced tools and technologies do you use?
Chill Heating & Cooling
Chill Heating & Cooling - Submit now
Galaxy Heating & Air Conditioning
Answer from GALAXY HEATING & AIR CONDITIONING
We use modern HVAC diagnostic and installation tools for heat pumps, furnaces, ductless mini-splits, and full HVAC systems, including brands such as Mitsubishi Electric, American Standard, Lennox, Bosch, Daikin, Carrier, Trane, and Rheem.
Connolly Heating and Air Conditioning
Connolly Heating and Air Conditioning - Submit now
2. How does your service improve energy efficiency and indoor air quality? 3. What is your response time for service requests? 4. How do you test an HVAC system after installation? 5. Do you offer free estimates for HVAC services? 6. What licenses and registrations do you have in Walnut Creek, CA? 7. How do you help extend the lifespan of an HVAC system? 8. What is the cost range for your HVAC services in Walnut Creek, CA? 9. What energy-saving tips do you recommend for homeowners? 10. How many service calls do you complete each month?