Sweeney HVAC Solutions LLC — San Diego's Trusted Heating & Cooling Contractor

Fast, reliable AC repair for all makes and models. Our technicians diagnose and fix refrigerant leaks, compressor failures, frozen evaporator coils, electrical faults, and blower motor problems. We service central air systems, ductless mini-splits, window units, and package systems throughout San Diego.

Expert installation of new central air conditioning systems, ductless mini-splits, and high-efficiency heat pumps. We perform full load calculations per Manual J to ensure your new system is properly sized for your home or business — never too large, never too small.

Furnace, heat pump, and boiler repair services throughout San Diego County. We diagnose ignition failures, heat exchanger cracks, blower motor issues, gas valve problems, and thermostat malfunctions. Same-day appointments available for most heating repairs.

New furnace, heat pump, and radiant heating installation by certified HVAC technicians. We install gas, electric, and dual-fuel systems from leading manufacturers including Carrier, Trane, Lennox, and Rheem. All installations include manufacturer warranty registration.

24 hours a day, 7 days a week emergency HVAC service for homes and businesses. When your heating or cooling system fails on a hot summer night or cold winter morning, Sweeney HVAC Solutions is available to restore your comfort quickly and professionally.

Whole-home air purification, UV germicidal lights, HEPA filtration, humidifiers, dehumidifiers, and energy recovery ventilators. We test your indoor air and recommend solutions to reduce allergens, dust, mold spores, bacteria, and volatile organic compounds.

Annual HVAC tune-ups and maintenance agreements for residential and commercial customers. Regular maintenance extends equipment life, reduces energy costs by up to 15%, prevents unexpected breakdowns, and keeps manufacturer warranties valid.

Commercial heating and cooling services for offices, retail stores, restaurants, warehouses, and multi-unit buildings. We install and service rooftop package units, VRF systems, commercial boilers, cooling towers, and building automation controls.

Heat pump installation, repair, and maintenance for both air-source and ground-source systems. Heat pumps provide efficient heating and cooling in one unit and can reduce energy costs by 30–50% compared to traditional gas furnaces in mild climates like San Diego.

Duct design, installation, repair, sealing, and cleaning services. Leaky or poorly designed ductwork wastes 20–30% of conditioned air and increases energy bills significantly. We seal and insulate ducts to improve efficiency, comfort, and indoor air quality.

Programmable and smart thermostat installation and setup. We install Nest, Ecobee, Honeywell, and Carrier thermostats and configure them for your schedule and comfort preferences. Smart thermostats can reduce energy costs by up to 23% annually.

HVAC efficiency assessments and equipment upgrades to reduce energy consumption. We evaluate your current system, recommend high-SEER replacements, add variable-speed technology, and help you qualify for California utility rebates and federal tax credits.