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31 Years
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Trusted HVAC Installation & Repair Services in California
A Plus Heating & Air Conditioning has been a trusted provider of residential HVAC solutions in California for over 25 years. Our team of 50+ skilled technicians specializes in heating, air conditioning, and indoor air quality services, backed by partnerships with industry leaders like Lennox and Trane. As a certified dealer for major brands and an approved contractor for the League of California Homeowners, we combine advanced technology with personalized service.

Our commitment to quality craftsmanship extends to electrical upgrades, solar installations, and plumbing services, all supported by flexible financing options. With service departments operating six days a week and emergency availability, we ensure year-round comfort for homeowners across Southern and Northern California.
Services
AC Repair Furnace Installation Heat Pump Service Solar Installation Plumbing Repairs Electrical Upgrades Generator Maintenance Ductwork Installation Mini-Split Systems Energy Audits
Details
  • Year established: 1995
Highlights and features
  • We have over 25 years of experience serving California homeowners
  • Our team includes 50+ certified HVAC professionals
  • We are official dealers for Lennox and Trane systems
  • We offer flexible financing through major financial institutions
  • We provide 24/7 emergency HVAC service
Associations and certifications
  • Lennox Premiere Dealer
  • Trane Comfort Specialist
  • League of California Homeowners Approved Contractor
What people say
Very professional Quiet fan Happy with everything Fast and prompt Energy bill reduced
Services
AC Repair
Our certified technicians provide prompt air conditioning repair services for residential systems. We diagnose and fix cooling issues with all major brands, ensuring optimal performance during peak summer months. With 24/7 emergency availability, we restore comfort quickly while maintaining manufacturer warranties.
Furnace Installation
We specialize in high-efficiency furnace installations with top brands like Lennox and Trane. Our NATE-certified technicians ensure proper sizing and installation, maximizing energy efficiency and comfort while meeting all local building codes and safety standards.
Solar Installation
Our team designs and installs complete solar power systems for residential properties. We handle all aspects from permitting to grid connection, helping homeowners reduce energy costs while maintaining system warranties through manufacturer-certified installation processes.
Electrical Upgrades
We provide comprehensive electrical services including panel upgrades, rewiring, and EV charging station installation. Our licensed electricians ensure safe, code-compliant upgrades that support modern home energy demands and improve overall system reliability.
Plumbing Repairs
Our licensed plumbers handle water heater installation, leak repairs, and piping upgrades. We specialize in integrated plumbing solutions that complement HVAC systems, ensuring efficient hot water delivery and reduced energy consumption across residential properties.
Questions
What HVAC services do you offer for residential customers?
We provide complete HVAC solutions including AC repair, furnace installation, heat pump services, ductwork, and mini-split systems for homes across California.
Do you offer financing options for HVAC installations?
Yes, we partner with 1st Security Bank and Wells Fargo to offer flexible financing programs for HVAC upgrades and home energy projects.
Are your technicians certified to work on major HVAC brands?
Our team is factory-certified for Lennox, Trane, Carrier, and Goodman systems, ensuring proper installation and warranty compliance.
What emergency HVAC services are available?
We offer 24/7 emergency service for urgent HVAC issues with our on-call technicians available year-round across California.
How often should I schedule HVAC maintenance?
We recommend bi-annual maintenance for combined heating/cooling systems, with annual check-ups for single-system units to ensure optimal efficiency.
What areas in California do you service?
We serve Southern California (Garden Grove, Corona) and Northern California (Milpitas, Sacramento) with full-service departments in both regions.