Commercial Chillers, Boilers
& HVAC for Critical Facilities
Built for uptime, compliance, and fast response. We support Oklahoma’s hospitals, manufacturers, campuses, and hospitality properties with 24/7 dispatch, planned maintenance, and documentation that reduces vendor-vetting friction.
Trusted by Oklahoma's Critical Facilities












































System Failure?
Fast dispatch when a failure threatens uptime. Chillers, boilers, HVAC/R, and critical cooling.
Planned Projects
Retrofits, replacements, new construction support, and maintenance agreements—scoped for your facility and equipment.
Compliance & Safety
Vendor onboarding support: capabilities, safety culture, insurance, and qualifications for commercial and industrial facilities.

"Autumn House has used Total Mechanical for many years for all our HVAC maintenance and repairs. Darrell and his team are wonderful to work with…efficient, trustworthy, knowledgeable, and responsive. When our large 70- and 100-ton chiller system was failing and we were waiting for the new system to arrive, he worked tirelessly to help myself and our staff to make this massive replacement project as stress free as possible. I could not be more satisfied with our new system and highly recommend Total Mechanical for all Commercial HVAC work."

Emergency Rental Chiller & Replacement
Commercial Services
Six specialist service lines built for high-stakes facilities—where downtime, compliance exposure, and energy waste are real business risks.
Commercial Chillers
Emergency diagnostics, overhauls, and contingency cooling for critical uptime.
Industrial Boilers
ASME R-Stamp repair capability, inspection readiness, and safety-first execution.
HVAC & Ventilation
RTUs, MAUs, AHUs, and VAV systems—ventilation and pressure control included.
Building Automation
BAS troubleshooting, sequencing fixes, and VFD optimization without instability.
Process Piping
Code-minded repairs, tie-ins, and fabrication with testing and documentation.
Preventative Maintenance
Predictable costs, priority response, and fewer after-hours surprises.
Industries Served
We understand the regulatory and operational realities behind the work—ASHRAE 170 environments, kitchen ventilation balance, production uptime, and audit readiness.
Oklahoma Service Area
Dispatch coverage across Oklahoma, with fast response supported by hubs in OKC and Tulsa. Commercial and industrial facilities only.
Interactive service-area map
Technical Resources
Practical guides for Facility Managers and building engineers.
Engineering Your Operational Continuity
Your facility demands precision, not guesswork. Partner with a strictly commercial team built for uptime, compliance, and fast response—from planned maintenance to after-hours emergencies.
Commercial Inquiries Only