HVAC Contractors in Palo Alto, CA

HVAC contractors install, repair and maintain the heating, ventilation and air conditioning equipment that keeps your home comfortable. They work on furnaces, air conditioners, ductwork, thermostats and ventilation, and help size replacement systems.

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Common HVAC services include:

  • Furnace and air conditioner repair
  • Seasonal tune-ups and maintenance plans
  • Replacing furnaces, AC units and air handlers
  • Ductwork repair, sealing and installation
  • Thermostat and ventilation upgrades

Call an HVAC contractor when your system stops heating or cooling, runs constantly, makes new noises, or your energy bills jump. Heat pump installation and air duct cleaning also have their own categories.

Top Professionals near Palo Alto, CA

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A-1 Heating and Cooling
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San Jose, CA HVAC Contractors

A-1 Heating & Cooling is a family-owned HVAC contractor based in San Jose providing heating, air conditioning, indoor air quality, repair, maintenance, and replacement services since 1983; the company operates a membership program (A-1 Comfort Care) with priority appointments and discounts, offers promotions and rebates, provides free estimates and diagnostic offers, and services the greater San Jose area from its main office at 476 W Taylor St with phone (408) 351-8757 and contractor license #966809 — more details are available on the company website: A-1 Heating & Cooling.

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Air Care Heating & Cooling Inc.
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San Jose, CA HVAC Contractors

Air Care Heating & Cooling is a locally owned HVAC contractor based in San Jose, California, founded in 2013, that provides residential and light-commercial heating, ventilation, and air conditioning services including installations, repairs, maintenance, and indoor air quality solutions; the company offers a recurring maintenance program called the Care Club, emphasizes honesty, fairness, and expert workmanship, and serves communities across Santa Clara County from its office at 1577 Almaden Road, San Jose (phone 408.317.2950).

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Atlas Trillo
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San Jose, CA HVAC Contractors

ARS/Rescue Rooter is a national provider of home services focused on making residential systems "work and work right" by offering HVAC, plumbing, electrical, insulation, indoor air quality, and related services with emergency response and preventative maintenance options. The company emphasizes trusted, expert technicians, an Exceptional Service Guarantee, seven-day availability, membership service plans, and resources for rebates and tax credits, and ARS/Rescue Rooter supports booking and local service through its regional locations (website: ARS/Rescue Rooter).

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Cabrillo Plumbing, Heating & Air
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San Francisco, CA HVAC Contractors

Discover Cabrillo is a real estate and community information resource focused on highlighting the Cabrillo neighborhood and surrounding areas, showcasing local amenities, lifestyle, and housing opportunities. The company presents property insights, market perspectives, and neighborhood guides to help buyers, sellers, and residents understand the community’s character and offerings. With an emphasis on curated neighborhood discovery and streamlined home search, the company connects users to relevant listings, local points of interest, and guidance for making informed real estate decisions.

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California HVAC
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Oakland, CA HVAC Contractors

California HVAC is a licensed and insured HVAC service provider based in Oakland, California, with over 35 years of experience serving a 75-mile radius around the area. The company offers comprehensive climate control solutions for both residential and commercial clients, specializing in HVAC repair and maintenance, kitchen hood installation, and walk-in cooler and freezer services. California HVAC is committed to delivering innovative, efficient, and reliable services with a focus on customer satisfaction, sustainability, and cutting-edge technology. The company operates with integrity and transparency, providing 24/7 emergency support and free estimates to ensure optimal comfort and safety for its customers.

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Care Heating & Air Conditioning Inc
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Oakland, CA HVAC Contractors

Care Heating and Air Conditioning Inc. is a family-owned and operated HVAC company serving California for over 8 years. The company specializes in providing high-quality air conditioning and heating solutions for residential and commercial properties. Care Heating and Air Conditioning Inc. focuses on installing, maintaining, and repairing cutting-edge HVAC systems to ensure optimal comfort and energy efficiency. The company is committed to building long-term relationships with clients through trust, reliability, and excellent service. Licensed and insured, Care Heating and Air Conditioning Inc. offers free estimates and accepts various payment methods, emphasizing professionalism and customer satisfaction in every project.

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DG
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San Jose, CA HVAC Contractors

DG Heating & Air Conditioning is a San Jose–based residential and commercial HVAC company that provides heating, air conditioning, ductless mini-splits, duct removal and replacement, indoor air quality solutions, and design-and-build services for new construction. DG Heating & Air Conditioning emphasizes upfront communication, free estimates, financing options, and customer-focused service backed by over 30 years of combined team experience; the company is licensed (License #1035345), accredited with the BBB, and operates from 1040 Commercial St Suite 104, San Jose, CA. More information is available at DG Heating & Air Conditioning.

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Magic Plumbing Heating & Cooling
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San Francisco, CA HVAC Contractors

Magic Plumbing is a San Francisco-based home services company providing comprehensive plumbing, drain, sewer, heating, and air conditioning solutions for residential and light commercial customers. The company delivers services such as leak detection, water heater installation and repair, drain cleaning, trenchless sewer work, HVAC repair and replacement, and indoor air quality improvements. With a focus on reliable workmanship, upfront pricing, and fast response across the Bay Area, the company emphasizes customer satisfaction, energy-efficient options, and long-term system reliability.

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Heating and Air Conditioning Questions and Answers

What does an HVAC contractor do?

An HVAC contractor installs, repairs and maintains heating and cooling systems, including furnaces, air conditioners, air handlers, ductwork and thermostats. They diagnose problems, perform seasonal maintenance and size replacement equipment for the home.

When should I repair or replace my heating or cooling system?

Repairs often make sense for a newer system with a single failed part. Replacement is worth discussing when equipment is older, needs frequent repairs, uses a phased-out refrigerant, or no longer keeps the home comfortable. Ask the contractor to compare both options in writing.

How do I choose an HVAC contractor?

Look for a contractor who performs a load calculation before recommending new equipment, explains options clearly and provides written estimates and warranty terms. Ask whether technicians who handle refrigerant hold EPA Section 608 certification and whether local licensing or permits apply.

What affects the cost of HVAC work?

Repair costs depend on the part and diagnostic time. Replacement depends on equipment type, capacity and efficiency, ductwork changes, electrical or gas work, and local permit requirements. Maintenance plans, rebates and the season you schedule in can also affect the total.

How should I prepare for an HVAC service visit?

Clear access to the furnace or air handler, the outdoor unit and the thermostat, and replace or check the air filter if you can. Note what the system is doing, such as noises, short cycling or uneven temperatures, and when the problem started.