Simi Valley, 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 Simi Valley, CA


Kevin S.

Kevin S.

Our Simi Valley, CA, commercial HVAC tech arrived at an imports store to perform preventative maintenance on all their commercial AC units. He replaced all air filters, inspected electrical, coils, motors, and tested unit operations. Cleaned condenser coils and checked cooling supply temp, confirming all except #4 at 55 degrees. RTU #4 has two defective condenser fan motors and fan relays that will need to be replaced. Uploaded findings to job deficiencies. Confirmed all other unit operations with EMS and completed all maintenance paperwork per scope. Job complete.

Near Tapo Canyon Rd, Simi Valley, CA 93063
Simi Valley, CA - Our Simi Valley, CA, commercial HVAC tech arrived at an imports store to perform preventative maintenance on all their commercial AC units. He replaced all air filters, inspected electrical, coils, motors, and tested unit operations. Cleaned condenser coils and checked cooling supply temp, confirming all except #4 at 55 degrees. RTU #4 has two defective condenser fan motors and fan relays that will need to be replaced. Uploaded findings to job deficiencies. Confirmed all other unit operations with EMS and completed all maintenance paperwork per scope. Job complete.
Jesus  A.

Jesus A.

HVAC Preventative Maintenance scheduled at a cash advance store in Simi Valley, California. Filters were swapped out, remaining components checked and confirmed operational. PM complete.

Near Cochran St, Simi Valley, CA 93065
Simi Valley, CA - HVAC Preventative Maintenance scheduled at a cash advance store in Simi Valley, California. Filters were swapped out, remaining components checked and confirmed operational. PM complete.
Franco M.

Franco M.

A Simi Valley, California, mobile provider had approved AC repairs scheduled today. Technician arrived and performed a leak search on the York air conditioner. Found the leak on the evaporator coil, fixed, pressurized system and recharged. Also cleaned coils on both units. Equipment back up and in running order.

Near Sycamore Dr, Simi Valley, CA 93065
Simi Valley, CA - A Simi Valley, California, mobile provider had approved AC repairs scheduled today. Technician arrived and performed a leak search on the York air conditioner. Found the leak on the evaporator coil, fixed, pressurized system and recharged. Also cleaned coils on both units.  Equipment back up and in running order.
Jesus  A.

Jesus A.

Came out to clean all condenser coils on all freezers . All units working good

Near Cochran St, Simi Valley, CA 93065
Nick R.

Nick R.

Maintenance technician arrived at retail store in Simi Valley, California to perform maintenance on eight Lennox package units. Tech checked and tested all units for defective parts. He replaced the filters and belts, reconnected all economizers, and noted that all units needed coil cleaning. All units were otherwise restored to proper operation and the manager was made aware that the coils would need to be cleaned.

Near Tapo Canyon Rd, Simi Valley, CA 93063
Dan J.

Dan J.

Refrigeration technician dispatched to jobs in Simi Valley. First call was for weight-loss center with Traulsen 2 door reach-in freezer running hot and with blank thermostat. After initial inspection tech found defective control relay module. He replaced module and returned freezer to proper operation.

Near Cochran St, Simi Valley, CA 93065
Simi Valley, CA - Refrigeration technician dispatched to jobs in Simi Valley. First call was for weight-loss center with Traulsen 2 door reach-in freezer running hot and with blank thermostat. After initial inspection tech found defective control relay module. He replaced module and returned freezer to proper operation.
Dan J.

Dan J.

Near Simi Town Center Way, Simi Valley, CA 93065