Southern California’s Trusted Commercial HVAC Partner
We specialize in commercial, industrial, and institutional
HVAC construction throughout California
INTEGRITY
INNOVATION
TEAMWORK
Delivering world class solutions
From design-build projects to service and maintenance, ACH Mechanical provides full-service commercial HVAC solutions.
Our team brings a commitment to quality and collaboration to every job.
Design-Build HVAC
We specialize in providing top-tier Design-Build HVAC solutions tailored to meet the unique needs of our clients.
Equipment Installation
Our rigorous installation process begins with a comprehensive assessment of your specific requirements.
Sheet Metal Fabrication
Our team of skilled professionals create high-quality sheet metal products for HVAC applications.
HVAC Controls & Automation
Our systems integrate with existing infrastructure, resulting in improved functionality and user experience.
Government Contracts
Dedicated to delivering high-quality, reliable systems that enhance efficiency and comfort in various government facilities.
Commercial Modifications
Our extensive expertise ensures that your heating, ventilation, and air conditioning systems operate at peak efficiency.
innovating solutions in multiple industries:
Commercial
Industrial
Design-Build
Commercial Modifications
Government Contracts
Institutional
Your Trusted Partner in Commercial & Industrial HVAC Solutions
At ACH Mechanical Contractors, Inc., we specialize in commercial, industrial, and institutional HVAC construction throughout California.
Backed by over 30 years of experience, union-trained tradesmen, and cutting-edge technology, we deliver quality craftsmanship and complete projects on time and within budget.
Our fully operational service and controls department brings the same level of commitment shown by our construction staff. We offer preventative maintenance contracts as well as repair services for all types of commercial HVAC equipment and control systems.
Proudly Affiliated With:
Our Purpose
Providing Comfort, Building Relationships throughout California
Smarter HVAC Starts with BIM Coordination
Tailored Design/Build Solutions Powered by Revit, Navisworks & Trimble
At ACH Mechanical, we’re equipped with over 10 years of experience in Building Information Modeling (BIM), allowing us to deliver highly coordinated HVAC systems with precision, efficiency, and speed. We use advanced tools like Revit, Navisworks, and Trimble to support pre-construction planning and streamline the design-build process.
Whether we’re designing for a new commercial facility or retrofitting an existing building, our team takes a hands-on approach—personally verifying as-built conditions and identifying the most efficient, cost-effective solutions for your space.
- Reuse of existing components when possible to meet budget and scope
- Fully tailored 3D models based on client needs, timelines, and budget
- Pre-construction coordination using Revit, Navisworks & Trimble
- Existing building surveys & remodel planning
- Clash detection and trade coordination
- Fabrication-ready digital components
- Layout and field accuracy via Trimble
Together, let's design smarter.
ACH is equipped and ready to use one of our greatest tools on your next project.
WHO WE SERVE
Built for Commercial, Industrial & Institutional Environments
ACH Mechanical has the resources and expertise to complete complex HVAC projects in nearly any setting.
We understand the importance of working in active environments and coordinating with multiple trades and stakeholders.
Commercial Buildings
Hospitals & Healthcare
K–12 & Higher Education
Commercial/Industrial Modifications
Design & Build
Arenas & Stadiums
Public Works / Government
Industrial
Manufacturing
Recent Projects
Completed Projects
Explore a selection of completed projects that highlight the scale, precision, and attention to detail we bring to every job.
University of La Vernee– Art Center La Verne, CA
Victoria Gardens Cultural Center
ELA Star
Congregation Emanu El, Redlands, CA
esri Building Q – Corporate Headquarters Redlands, CA
Testimonials
Ready to experience our hvac solutions first hand?
The ACH project management team has over 30 years’ experience in the HVAC industry, and our partnership with the Sheet Metal Workers’ Union provides us access to trained and experienced tradesmen that are literally a phone call away. This combination gives ACH the critical resources necessary to deliver your project on time and within budget.