100+ reviews, 4.8 stars, and one name in nearly all of them: Jose. The owner runs every job himself — customers keep calling him back for years because he actually diagnoses the system, not just swaps the box.
Residential HVAC repair, replacement and installation across Union City.
Diagnosis and repair for central AC systems.
New AC systems, add-ons and full change-outs.
New central heating and air conditioning system installations.
Ductless mini-split installation for targeted heating and cooling.
Wall and floor furnace repair and replacement.
HVAC for home remodels and room additions.
EZ Air Control is a Union City heating and air conditioning contractor owned and run by Jose San Nicolas, licensed by the California Contractors State License Board (C20 #773869) and BBB-accredited with an A+ rating since 2004.
In business since 2000, EZ Air Control holds a 4.8-star rating across more than 100 reviews. Customers point to Jose's depth of HVAC knowledge, his on-time, tidy crews, and reasonable pricing — and many have relied on him for years.
“I had an outstanding experience with Mr. Jose and his team at EZ Air Control. Mr. Jose has incredible depth of knowledge in HVAC systems.”
“Jose set up our central AC a few years ago. He is easy to work with, efficient, and reliable.”
“We have been customers of EZ Air Control for about 6 years. Highly recommend. Jose is the owner.”
Based in and serving Union City.
Call, or send a few details and Jose will get back to you.
| Mon–Fri | 8:00 AM – 5:00 PM |
| Saturday | 9:00 AM – 3:00 PM |
| Sunday | Closed |