Every Room Perfectly Comfortable
Expert HVAC installation, repair, and upgrades for homes, apartments, and commercial spaces — done right the first time.
Protect Your Wine Investment
Specialized wine room and cellar climate control — precise, reliable, and built for the world’s finest collections.
Upgrade Your Comfort — Today
From luxury homes to light commercial projects, we deliver fast, flawless service and lasting results.
Leading the industry in Residential HVAC Services!
Trusted by San Diego’s Finest Homes Since 1988
At Alessio Heating & Air, we specialize in delivering high-quality HVAC services to homeowners, landlords, property managers, real estate professionals, contractors, and luxury clients. Whether it’s a cozy ADU, full custom estate, or coastal condo, we bring family-rooted honesty and industry-leading expertise to every home we touch.
Why Choose Alessio?
We’re a multi-generational, family-owned business with over 150 years of combined experience. Our technicians aren’t salesmen—we’re craftsmen. We don’t fix what isn’t broken, and we never up-sell. Our name, Alessio, is known across San Diego as a symbol of quality, trust, and craftsmanship—especially in custom wine room cooling and ADU HVAC system design where experience truly matters.
You can’t learn what we know in a book—it’s passed down, generation to generation.
Our Residential Services
Installation
- Central Air Conditioning & Furnaces
- Heat Pumps & Thermostats
- Whole-House Fans & Smart HVAC
- ADU (Accessory Dwelling Unit) HVAC Systems
- Wine Room Cooling Equipment
- Air Purification & Filtration Systems
Repairs
- Emergency Diagnostics
- Fast, Honest Fixes (We only replace what’s truly needed)
- All Major Brands & System Types
- Priority Response for Wine Room Emergencies
Maintenance
- Seasonal Tune-Ups (Fall & Spring)
- Filter Changes, Coil Cleaning, Drain Service
- Full-Service Maintenance for Just $129.99
- Join Our Annual Plan and Stay Worry-Free Year Round
The Alessio Advantage:
- Specialists in Custom ADU HVAC Design & Installations
- 10-Year Equipment Warranty on most HVAC installs
- 2-Year Warranty on Wine Cooling Equipment Parts
- 3 Licensed Contractors on staff
- Same-Day Emergency Services Available
- Organized Maintenance Scheduling to keep your system (and your calendar) running smoothly
Our Maintenance Plan helps you avoid costly repairs by catching issues early—and it includes full service, not just a filter check. Beware of low-cost offers that cut corners! Ask about our Annual Maintenance Plan to save money and extend the life of your system.
Trust, Privacy & Reputation – We work with top general contractors, celebrity clients, and elite homeowners—so much so that some of our work is protected by NDAs. But rest assured, our reputation is built on discretion, quality, and long-term reliability.
* Ready to Stay Cool and Covered? – Call today to schedule your service or request a free estimate.
* Building an ADU? – Let us help you design the perfect HVAC solution from the ground up.
* Got a wine room emergency? – We’ll make you a priority.
+5128
Commercial Projects finished and still counting
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Residential Customer Instals
+42764
WIneroom Projects Completed
Servicing San Diego for over 37+ years!
Proudly serving San Diego County since 1988 ~ Family-Owned & Operated!
Alessio Heating & Air is a trusted, family-owned and operated HVAC company serving San Diego County since 1988. We’re built on a legacy of quality, integrity, and personal service — and we’re committed to keeping it that way.
Our Mission: To deliver top-tier products and service, backed by industry-best warranties and a team that shares our values. We treat every customer like family, and every job as part of our legacy. Our goal is to remain family-owned, protect what we’ve built, and grow with the community for generations to come.
We can help plan your heating and air projects
We provide complete HVAC services for both residential and light commercial clients:
• HVAC installation, repair, and maintenance
• Wine room cooling design & installation
• Whole-house air purification & quality systems
• Cool fans and ventilation
• Ducting, kitchen hoods, and exhaust systems
• New construction, remodels, and apartment complexes
• Custom design, retrofits, and full system replacements
Lets build your dream system together!
Our expertise covers a wide variety of services.
Wine Rooms
Safeguard your wine with expert climate control — precision, reliability, and care for every bottle.
See our work New Construction
Custom homes to small apartment projects — comfort systems built to perform for decades.
See our work
ADU Solutions
Smart, space-saving heating and cooling designed to keep your ADU perfectly comfortable all year.
See our workContact
Any questions? Get in touch
Have a question or need service fast? We’re here to help!
Call/Text us directly for the quickest response. Whether you need repairs, maintenance, or a new installation, our team is ready to serve you with expert care and reliable service.
