HVAC Contractors in Alpine, CA

All Aire Heating, A/C and Refrigeration is a family-owned HVAC company serving the South Bay Area since 2007. All Aire Heating, A/C and Refrigeration provides residential and commercial heating, air conditioning, ventilation and refrigeration services including inverter A/C installation and repair, air duct installation and repair, gas and electric heating installation and repair, solar ventilation and air filtration systems, zoning and controls, and water heater services. The company emphasizes superior customer service, timely professional workmanship, free estimates, a 15% discount and support for the military community, and operates under California license C-20 (CA Lic. #891635) to deliver reliable, affordable comfort solutions.

Della-Mora Heating and Air Conditioning is a Chula Vista, CA–based HVAC company with a 30-year history and fourth-generation legacy that offers comprehensive heating, cooling, ventilation, and indoor air quality services. The company provides AC installation, maintenance and repair, furnace services, heat pump and mini-split work, thermostat and control installations, HVAC testing, tankless water heater services, and 24/7 emergency repairs, and it emphasizes free estimates, same-day responses, cooperation with insurance providers, and manufacturer and labor warranties. Della-Mora Heating and Air Conditioning is service-disabled veteran-owned, holds required licenses, insurance, and ESCO EPA certifications, and focuses on honest diagnostics, efficient repairs, and long-term comfort and reliability for homeowners and light commercial clients.

Proper HVAC is a San Diego County–based heating, air conditioning, water heater and plumbing service provider with more than 22 years of experience offering repairs, maintenance and installations for residential and commercial customers. Proper HVAC emphasizes honesty and transparency with upfront pricing, no hidden fees and no upselling, and the company focuses on fast, fair service, effective communication from first call through job completion, and professional, reliable workmanship that delivers long-lasting solutions. Proper HVAC provides free estimates, offers discounts for military and seniors, and delivers bilingual service (Se Habla Español) to better serve the local community.

Same Day Heating, Cooling, Plumbing is a family-owned HVAC and plumbing contractor serving San Diego County with same-day service for repairs and installations, backed by a promise that if we can’t get your heater, AC, or heat pump running the same day we arrive, you don’t pay the service call fee. The company provides comprehensive services including heater and AC repair, maintenance, and replacement, ductless mini-splits, heat pump services, water heater and tankless solutions, drain cleaning, sewer repair, leak detection, repipe and pipelining, fixtures, water filtration, backflow testing, and more. Same Day offers free online estimates, financing options, emergency availability, and a 24-month, 100% satisfaction guarantee on installations and replacements, combining licensed, insured technicians with efficient scheduling and clear communication to keep homes comfortable and systems reliable from its location at 9771 Clairemont Mesa Blvd., Suite E.

US Air Conditioning Distributors is the world’s largest privately owned HVAC distributor with 50 locations across California, Nevada, Utah, Idaho, and Arizona, providing a one-stop shop for residential, commercial, and industrial HVAC equipment, parts, controls, supplies, and sheet metal. The company maintains extensive warehouse space and inventory to support free next-day delivery, crane service, and stocked stores, and offers training, technical resources, and dealer support while emphasizing genuine OEM parts and licensed-contractor sales. US Air Conditioning Distributors also pursues sustainability initiatives—such as a large solar array at its City of Industry facility and a fleet of clean-burning natural gas vehicles—while hosting regular training events and trade-focused services to keep contractors supplied and informed.