Commercial HVAC Construction

Commercial HVAC Contractors

Christian Brothers Mechanical Services has over 35 years of experience with commercial HVAC construction in Southern California. We have been a family-owned and operated business since 1985, and we aim to produce expert quality services for both commercial and industrial HVAC purposes. With over 300 employees, Christian Brothers Mechanical Services is more than well-staffed and equipped to handle all your commercial HVAC needs. 

As commercial HVAC contractors in Southern California, we take pride in offering competitive pricing that will help save costs and elevate your business. All of our technicians are NATE and EPA certified, factory-certified, and continuously receive training in an effort to keep up with technological advancements and provide the highest quality commercial HVAC service and repair as possible. 

Our dedication to affordability, customer service, efficient construction, quality, and convenience helped us surpass expectations and earned us an A+ rating with the Better Business Bureau. Christian Brothers is a vendor for all major HVAC brands, including Samsung, Mitsubishi, Honeywell, LG, York, American Standard, Trane, Lennox, Diakin, AAON, Bryant, Coleman, Goodman, RUUD, Bard, Rheem, Carrier, and many more. Because of our decade’s long relationships with vendors such as these, Christian Brothers is able to keep our trucks at full stock for commercial HVAC construction. We assist organizations by expediting all of our services in commercial HVAC construction and replacement options. 

Large Unit Installations For Projects & Office Buildings In Southern California

As commercial HVAC contractors in California, Christian Brothers Mechanical Services offers large unit installations for every situation. Keep your workplace cool and cut costly maintenance expenses with our precision installation methods, guaranteed to be efficient and functional. Large commercial HVAC construction practices can be expensive. Still, we work with each of our customers to create an elaborate and custom-fit installation program that meets their schedule and budget to eliminate excess fees and wasted time. 



Christian Brothers features an in-house design department that specializes in value engineering. This means our team of experts will research the most efficient and cost-effective ways to reach your goal, saving you time and money. At Christian Brothers Mechanical Services we use advanced engineering technology to create accurate designs and blueprints for your commercial HVAC construction before we begin any construction. Our engineering team will sit down with you to create an ideal commercial HVAC system based on an extensive examination of your business’ needs. Christian Brothers Mechanical Services offers the most practical and experienced design and installation process available among commercial HVAC contractors in Southern California.

Commercial Prefabrication

Christian Brothers Mechanical Services also specializes in sheet metal prefabrication. Our precision prefabrication allows us to construct masterful ductwork structures by cutting, stretching, welding, and bending sheet metals prior to installation. This allows for a reduced cost, accurate measurements, speedy delivery, and rapid installation. By using prefabrication methods, Christian Brothers is able to save time, which in turn saves you money. Our metal shops are vigorously updated, giving all of our technicians and personnel hands-on experience with the latest technology meant to perfect prefabrication. 


HVAC Construction Management

At Christian Brothers, we guarantee our work. This means a project manager will oversee the job from beginning to end, ensuring your complete satisfaction. Project managers use extensive analysis to design, plan, and construct your commercial HVAC system. Our goal is to maximize your value within the parameters of the allotted budget. Christian Brother’s project managers have decades of experience in commercial HVAC service and repair, all of which is at your disposal. Project managers will set daily, weekly, monthly, or yearly appointments at your discretion to provide and ensure a thorough construction process for your organization. 

Qualified Trade Associates

Only professional uniformed installation crews are utilized at Christian Brothers Mechanical Services. Our trade associates include The Air Conditioning Contractors of America, which is the largest commercial HVAC contractor organization in the nation. Qualified trade associates are required to complete training that will ensure their full knowledge and compliance with all the latest government obligations. Christian Brothers also partners with The Associated Builders and Contractors (ABC), and The Associated General Contractors of America.

Commercial HVAC Commissioning / Start-up

Christian Brothers Mechanical Services provides installation project commissioning and start-up services for all commercial HVAC construction. We work to meet all client requirements with the creation of a commissioning management plan or a project commissioning program. An expert team of technicians will perform a preliminary review of your organization. Christian Brothers Mechanical Services concentrates on research that ensures equipment items exceed standards, safety systems are operative, maintenance and performance have been secured by expert personnel, and all systems that will be started up are inspected before initial use. 

Dependable, Competitive, & Cost-Conscious HVAC Contractors

 At Christian Brothers Mechanical Services, we value building and sustaining partnerships. We specialize in producing a first-class experience for all of Southern California. Christian Brothers Mechanical Services is outfitted with a fleet of trucks that are supplied to expedite any commercial HVAC repair. Our EPA, NATE, and factory-certified technicians are qualified to diminish downtime, increasing the efficiency of providing quotes throughout the material evaluation. Our customers save more money because we waste no time. Christian Brothers values efficiency because time is money. We always implement a “No Truck Charge” policy and a free estimate/diagnostic in Southern California, because we don’t believe in charging you a penny prior to project initiation. For a quote, please email ( or call (855-283-4935).