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23 Years
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Emergency
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Your Trusted HVAC Partner in San Diego
AC Sure Plan has been San Diego's trusted HVAC contractor since 2003, delivering high-efficiency heating, ventilation, and air conditioning solutions for residential and commercial clients. Our locally owned and managed company specializes in system installations, repairs, and preventive maintenance, backed by a team of NATE-certified technicians who prioritize quality, safety, and customer satisfaction. With over 18 years of experience, we guarantee all work and maintain rigorous standards through regular training, advanced technology, and comprehensive 24-point service inspections.

Our commitment to excellence extends to commercial projects, including large-scale HVAC installations for apartments, industrial buildings, and municipal facilities. We operate with full transparency, offering free estimates and tailored maintenance plans to maximize system longevity and energy efficiency. Licensed, bonded, and fully insured, AC Sure Plan combines technical expertise with personalized service to address diverse climate control needs across San Diego County.
Services
Air Conditioning Installation Heater Repair Commercial HVAC Preventive Maintenance Emergency AC Repair Thermostat Services Indoor Air Quality Hot Water Heaters HVAC Maintenance Agreements Commercial Rooftop Units
Details
  • Year established: 2003
Highlights and features
  • 18 years of specialized HVAC experience since 2003
  • NATE-certified technicians with factory training
  • Free estimates for all installation services
  • 24/7 emergency repair availability
  • Satisfaction guarantee on all work performed
Associations and certifications
  • NATE Certified
What people say
Prompt service Professional technicians Energy savings Thorough maintenance 24/7 availability
Services
Air Conditioning Installation
We install state-of-the-art high-efficiency residential air conditioning units that save homeowners hundreds annually. Our technicians recommend customized solutions based on your home's specific cooling needs. Free estimates ensure transparent pricing while maximizing energy efficiency and comfort for San Diego's climate.
Commercial HVAC
Our commercial HVAC services cover installations, repairs, and maintenance for all building types. We specialize in rooftop units, split systems, and water-source heat pumps while offering 24/7 emergency support. Licensed technicians ensure code compliance and energy efficiency for apartments, industrial facilities, and municipal buildings.
Preventive Maintenance
Our 24-point inspection service includes system diagnostics, component cleaning, and safety checks. Regular maintenance extends equipment lifespan, reduces energy costs, and prevents unexpected breakdowns. Customizable plans available for both residential and commercial clients across San Diego County.
Heater Repair
We repair all heating system components including thermostats, ignition controls, and air filters. Technicians diagnose issues quickly to restore winter warmth efficiently. Emergency services available for urgent repairs while preventive maintenance plans help avoid future breakdowns in San Diego's variable climate.
Emergency AC Repair
24/7 emergency repair service addresses urgent cooling system failures. Our rapid response team diagnoses and fixes issues like refrigerant leaks, electrical problems, and compressor failures. Available year-round to ensure comfort during San Diego's hottest summer days.
Questions
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency repair services for urgent heating and cooling system failures.
What areas do you service?
We serve all areas of San Diego County including residential and commercial properties.
Are your technicians certified?
All our technicians are NATE-certified and factory-trained for HVAC installation and repair.
Do you provide free estimates?
Yes, we offer free written estimates for all new HVAC installation services.
What maintenance plans are available?
We offer customizable preventive maintenance plans with 24-point system inspections for residential and commercial clients.
How can I schedule service?
Call us at 858-566-4800 or contact through our website to schedule immediate or appointment-based service.
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