Monrovia, CA business & property owners in need of HVAC or refrigeration design, installation, maintenance, monitoring, repair or retrofits have called RESSAC first for the past 90 years. That’s because we are a third-generation, family owned company that prides itself in exceptional customer support, timely response and quality service. Don’t take our word for it, read our reviews below to learn more.

Local Reviews
for Monrovia, CA


Sergio J.

Sergio J.

RESSAC technicians returned to big box retailer at the Huntington Oaks Shopping Center to completed quoted work. Technicians replaced grounded compressor and defective condenser fan motor on 20 ton Lennox unit. They also washed coils and repaired an electrical short. Retrofit is complete.

Near W Huntington Dr, Monrovia, CA 91016
Monrovia, CA - RESSAC technicians returned to big box retailer at the Huntington Oaks Shopping Center to completed quoted work. Technicians replaced grounded compressor and defective condenser fan motor on 20 ton Lennox unit. They also washed coils and repaired an electrical short. Retrofit is complete.
Sergio J.

Sergio J.

Dispatched to home goods store in Monrovia CA. Alarm panel was showing "trouble 3 smoke zone, roof duct AC4 and AC6". Inspected all six Lennox units on the roof. Repaired electrical short on unit #2. Unit #4 has defective Copeland scroll compressor. Unit #6 has shorted crank case heater. Reset fire panel alarm and cleared all trouble. Will return once quote is approved to complete all work.

Near W Huntington Dr, Monrovia, CA 91016
Monrovia, CA - Dispatched to home goods store in Monrovia CA. Alarm panel was showing "trouble 3 smoke zone, roof duct AC4 and AC6". Inspected all six Lennox units on the roof. Repaired electrical short on unit #2. Unit #4 has defective Copeland scroll compressor. Unit #6 has shorted crank case heater. Reset fire panel alarm and cleared all trouble. Will return once quote is approved to complete all work.
Sean M.

Sean M.

Preventative maintenance on HVAC. Tested all units in heating to prepare for fall/winter.

Near W Huntington Dr, Monrovia, CA 91016