Who We Are: AC Sure plan is a full service heating, ventilation, and air conditioning (HVAC) company. Since 2003, AC sure plan has been installing and servicing Heating and Air Conditioning systems for residential and commercial customers throughout San Diego. We provide a wide variety of services that range from small residential sector, commercial property maintenance to large commercial contracts. AC sure plan is licensed, bonded and fully insured company. Our certified technicians take pride in their work. We stand behind the quality of service our company provides, and guarantee all of our work. Our services include: complete heating and air conditioning installations, equipment replacements, complete indoor air quality services, hot water heaters, programmable and non-programmable thermostats, all phases of maintenance and repair, and more. We also offer preventive maintenance agreements to keep equipment running at optimum efficiency and ensure safety.