HVAC&R Applied Sales – Our Sales Engineers have the educational background, professional experience, and industry tools to assist the customer in any stage of the building design. Our expertise includes:  new building systems as well as retrofit replacement systems.

Refrigeration Team – ATC’s refrigeration group provides engineering and application expertise to the industrial refrigeration industry and we proudly represent the recognized leading manufacturers of  refrigeration products for any cold storage or product freezing project.

Air Movement and Control Product – The Air Treatment Air Distribution Sales Team provides technical and application support to Northern California consulting engineers, building owners and contractors as it relates to terminal units, exhaust fans, sound attenuators, dampers, louvers, air outlets, underfloor systems, kitchen ventilation, displacement ventilation, operating room systems and laboratory exhaust.

Service – Our Service Department is a team that strives to consistently provide our customers with a high level of competence and expertise at every level. Our team’s skill set and knowledge in the HVAC industry with a focus on Factory Certified Startup, system commissioning, service, maintenance and warranty support.

Our system competencies include: Chillers, Air Handling systems, DX Packaged units, VFD startup, Motors, Pumps, Humidification and Dehumidification equipment.

It has been said that the recipe for excellent customer service relies on the small details. It is from this mindset that we continually work at delivering a service that enhances the entire customer experience– taking great care that even the smallest details get our best attention.

Cooling Tower Repair – Our factory trained technicians have the experience to return your cooling tower to its original operation condition and extend its useful life. Air Treatment Corporation Cooling Tower Rebuild Division is the BAC Factory representative for the state of California.

All our Cooling Tower technicians go through intensive factory training providing technical knowledge for installing, servicing, trouble–shooting and repairing new or existing cooling towers.

We start with a free comparative inspection and evaluation to determine the condition of your equipment. We can provide our customers with warranty and service repairs.

Parts – Our knowledgeable parts team provides a one–stop access point for products and services for all of the manufacturers we represent.  We provide factory authorized OEM pricing and quick order processing with large stocking warehouses in Brea and Madera.