Complete HVAC Solutions
Heating, Cooling, Mini-Split, & Air Quality Services in San Diego County
Full-Service Care
Comfort for Every Season
Sunline Heating & Air provides residential and commercial HVAC services throughout San Diego County. Whether you need a repair, routine maintenance, a system replacement, or a new installation, our team is here to help keep your space comfortable and running efficiently. Explore our heating, cooling, ductless, and indoor air quality services below.
Air Conditioning
Services
Stay cool and comfortable during the hottest months with reliable air conditioning services tailored to your home or business. Our team works with all major system types and provides solutions designed to improve efficiency, extend equipment lifespan, and ensure consistent cooling performance when you need it most.
Heating
Services
When temperatures drop, you need a heating system you can depend on. We provide expert furnace and heat pump services to keep your space warm, safe, and energy-efficient throughout the colder season. Whether you're dealing with an unexpected breakdown or planning a system upgrade, we deliver solutions built for long-term comfort.
Ductless Mini-Splits
Services
Get precise, room-by-room comfort with modern ductless mini-split systems. These energy-efficient solutions are ideal for homes without ductwork, room additions, garages, or spaces that need independent temperature control. We handle everything from new installations to fast, reliable repairs.
Indoor Air Quality
Services
Breathe cleaner, healthier air with indoor air quality solutions designed to reduce allergens, dust, and airborne contaminants. From advanced filtration to purification systems, we help create a more comfortable indoor environment for your family, employees, or customers.
Our Services
Heating & Air Solutions for Your Home or Business
Sunline Heating & Air offers dependable HVAC services designed to keep homes and businesses comfortable, efficient, and running smoothly. From cooling and heating to ductless systems and indoor air quality, we provide practical solutions tailored to your needs.



