Emergency HVAC Service in Union City, CA

HVAC emergencies don't wait for business hours. When your heating fails during a cold night or your AC dies during a heat wave, we're here to help. Our emergency technicians are available 24/7 to restore your comfort quickly.

Union City features a mix of single-family homes from the 1960s-1980s, newer townhome developments, and apartment complexes. Many older homes have original HVAC systems that are reaching end of life. The Decoto and Alvarado districts contain historic homes with unique heating challenges, while newer developments in the hills feature modern systems. Union City's location between the bay and the hills creates distinct microclimates. Morning fog from the bay brings moisture that can affect HVAC condensers, while afternoon sun heats homes quickly. The temperature differential between morning and afternoon often exceeds 20 degrees, putting strain on HVAC systems that must adapt rapidly.

Whether you need emergency repairs, routine maintenance, or a complete system installation, our team is ready to serve Union City residents with the highest quality emergency hvac service services.