Looking for a reliable HVAC company in Livermore, CA? Whether you're dealing with an AC that won't cool, a furnace that won't light, uneven rooms, or you're ready to upgrade to a heat pump, choosing the right technician makes all the difference. We've researched and compiled the top 9 HVAC companies serving Livermore to help you find the best fit.
From diagnostic skill to response times, customer reviews, and service range, here are the 9 best HVAC companies in Livermore, CA.
Livermore HVAC ★ Editor's Pick
Livermore HVAC is Livermore's premier heating and air conditioning provider, delivering professional residential and commercial repairs and installations backed by experienced technicians and over a decade of hands-on HVAC work. As a locally owned and operated company, they understand the climate patterns and housing stock that shape how Livermore comfort systems perform and fail.
What sets Livermore HVAC apart is their repair-first approach, transparent pricing, and commitment to complete customer satisfaction. Every technician is background-checked, professionally trained across air conditioners, furnaces, heat pumps, and ductless systems, and arrives in a truck stocked with the most common replacement parts. They offer upfront pricing with no hidden fees and fast same-day or next-day appointments.
Why Livermore HVAC Is Our #1 Pick:
- Fast Response & Same-Day Service, Available 6 days a week with same-day or next-day appointments across the Livermore area
- Experienced Technicians, Every technician brings years of hands-on field experience across cooling, heating, heat pump, and ductless systems
- Upfront, Transparent Pricing, Clear diagnosis and written quotes before any work begins, no surprise charges
- Full-Service Comfort, Repairs, replacements, heat pump conversions, duct cleaning, maintenance, and commercial systems, all in one company
- Repair-First Honesty, If a small part fixes it, that's the recommendation; replacements are proposed only when the math truly favors them
- Maintenance Plans, Annual flush-and-inspect visits that clear sediment, check the anode rod, and extend system life
Moore Mechanical
Moore Mechanical offers comprehensive heating and air conditioning services, including AC repair, furnace repair, and new HVAC system installations. They are known for their reliable service and commitment to customer satisfaction.
Notable Strength: Strong focus on customer service and satisfaction.
Years in Business: 35+
Pleasanton Heating & Air Conditioning
This company provides a full range of HVAC services to Livermore and the surrounding areas, specializing in AC and heating system repairs, maintenance, and new unit installations. They have a reputation for thorough work and knowledgeable technicians.
Notable Strength: Expertise in both residential and commercial HVAC systems.
Years in Business: 40+
NEMCO Heating & Air
NEMCO Heating & Air offers expert AC repair, furnace repair, and complete HVAC system installations for homes and businesses. They are recognized for their prompt response times and efficient problem-solving.
Notable Strength: Fast and responsive emergency repair services.
Years in Business: 20+
Connolly Heating and Air Conditioning
Connolly Heating and Air Conditioning provides reliable HVAC services, including AC repair, heating repair, and new system installations. They are praised for their honest assessments and transparent pricing.
Notable Strength: Commitment to transparent pricing and honest recommendations.
Years in Business: 30+
Service Champions Heating & Air Conditioning
Service Champions offers a wide array of heating and air conditioning services, from routine maintenance and repairs to full system replacements. They are known for their high standards of service and customer care.
Notable Strength: Extensive range of services and customer-centric approach.
Years in Business: 20+
Comfort Time Heating & Air Conditioning
Comfort Time specializes in AC and heating system repairs, maintenance, and installations, serving the Livermore community with a focus on efficiency and comfort. They have a reputation for providing effective and long-lasting solutions.
Notable Strength: Focus on energy-efficient HVAC solutions.
Years in Business: 15+
Accent Comfort Services
Accent Comfort Services offers comprehensive HVAC solutions, including AC repair, furnace repair, and new system installations. They are valued for their attention to detail and personalized service.
Notable Strength: Personalized service and attention to detail.
Years in Business: 10+
All Pro Plumbing, Heating, Air & Electrical
While offering a broad range of home services, All Pro provides reliable heating and air conditioning repair, maintenance, and installation services. They are known for their professional technicians and comprehensive service offerings.
Notable Strength: Convenience of combined plumbing and HVAC services.
Years in Business: 25+
How We Chose the Best HVAC Companies in Livermore
Our ranking considered several key factors:
- Local Experience & Reputation: An established local track record, years of hands-on HVAC work, and strong word-of-mouth across the community.
- Customer Reviews: Online reviews across Google, Yelp, and the BBB for consistent quality and satisfaction.
- Response Time: Priority for companies offering fast scheduling, especially for no-hot-water calls and leaking tanks.
- Pricing Transparency: Companies providing clear diagnostics and written estimates ranked higher.
- Range of Services: Full-service companies that handle repairs, system replacements, heat pump conversions, ductless installs, and commercial work scored best.
- Diagnostic Quality: Preference for companies that identify the actual failed component, element, thermostat, gas valve, anode, rather than defaulting to full replacement.
- Local Presence: Companies with deep roots in the Livermore community.
Need HVAC Help in Livermore Right Now?
Call Livermore's top-rated heating and air team for fast, professional service.
Call Livermore HVAC: (925) 205-6529