OUR VISION

To be Southern California’s most trusted commercial mechanical partner, delivering reliable solutions that keep facilities operating at their best.

OUR MISSION

We provide dependable commercial HVAC, refrigeration, plumbing, and preventative maintenance services through responsive communication, skilled workmanship, and solutions our customers can rely on.

OUR commitment

We believe in accountability, integrity, safety, and exceptional customer service. Every project is approached with professionalism, transparency, and respect for our customers, their facilities, and their operations.

Your building is our priority.

At ATR Mechanical Solutions, exceptional customer service is the foundation of everything we do.

We build long-lasting, mutually beneficial relationships by providing responsive service, clear communication, and top-tier workmanship.

With more than 25 years of trade experience, we are ready and prepared to treat your building’s equipment like our own.

What We Do

HVAC

We provide comprehensive HVAC service, repair, replacement, and preventative maintenance for mechanical systems of all sizes.

From routine maintenance and diagnostics to complex equipment replacements and capital improvement projects, our technicians help keep facilities operating safely and efficiently.



REFRIGERATION

Reliable refrigeration is essential to daily operations. Whether responding to an unexpected failure, replacing aging equipment, or implementing a preventative maintenance program, our technicians deliver dependable refrigeration solutions that help maximize equipment performance and minimize costly downtime.



PLUMBING

Whether it’s an emergency repair, planned system upgrade, tenant improvement, or preventative maintenance program, ATR delivers plumbing solutions tailored to your facility.

Our team supports everything from day-to-day service calls to complex mechanical projects.




PREVENTATIVE MAINTENANCE

Customized maintenance programs designed to improve equipment reliability, reduce unexpected downtime, extend equipment life, and help facility teams make informed budgeting decisions through detailed reporting and repair recommendations.




Who We Serve

From healthcare campuses to commercial office buildings, ATR Mechanical Solutions understands the unique demands of every facility we serve. We deliver dependable mechanical solutions designed to maximize system reliability, minimize downtime, and support your day-to-day operations.

HEALTHCARE

HOSPITALITY & ENTERTAINMENT

COMMERCIAL REAL ESTATE

BIOTECHNOLOGY

GOVERNMENT

RESTAURANTS

Ready to discuss your facility’s needs?

Whether you need emergency service, preventative maintenance, equipment replacement, or support for your next mechanical project, our team is ready to help.

How can we help?