About Allseason Mechanical
Founded in 1989, Allseason Mechanical has built a reputation in San Diego, CA as a straight-shooting locally-owned hvac contractor that doesn't push system replacements when a repair will do. The team is unusually rigorous about indoor air quality and ventilation work in addition to core heating and cooling, and is one of the few local shops that will quote both a repair and a replacement option on the same visit so homeowners can make an informed call. NATE-certified, state-licensed, EPA refrigerant-handling certified, and proudly insured.
Allseason Mechanical serves homeowners across San Diego, CA and surrounding ZIP codes including 92101, 92103, 92109, 92115, 92122. Pricing is up-front and quoted in writing before any work begins, with no obligation if the estimate isn't right for your project.
Services offered
- Manufacturer warranty work
- Ductless mini-split install
- Central AC install & repair
- Smart thermostat install
- Whole-home humidifier
- Spring & fall tune-ups
- Refrigerant leak detection
- Commercial RTU service
Service area
Allseason Mechanical covers San Diego and the surrounding metro, typically responding to addresses within 25–35 miles of 92115. Same-day appointments are commonly available for non-emergency requests booked before noon, and 24/7 emergency dispatch is offered for active leaks, electrical hazards, no-heat/no-cool calls, and lockouts when applicable.
Licensing & insurance
FixNearMe verifies that Allseason Mechanical holds an active CA contractor license (#CA-257073) and carries general liability insurance covering work at residential properties. We re-verify licensing annually and remove any pro whose status lapses or whose review pattern deteriorates.
How to request a quote
Use the free quote form on this page to send your job details directly to Allseason Mechanical and up to two other nearby hvac pros in San Diego. You'll receive up-front written quotes — usually within an hour during business hours — so you can compare apples to apples before booking.