Maintenance Services
Preventive Care. Peak Performance.
Worry-free maintenance that keep your systems running like new
When your facility’s systems go down, production slows—and profits follow. That’s why DePue Mechanical offers comprehensive maintenance and repair services designed to keep your HVAC systems, boilers, and process piping running reliably and efficiently. Whether you're looking for scheduled maintenance, an emergency repair, or ongoing support across your facility, our technicians and ASME-certified welders are here 24/7 to minimize downtime and maximize performance.
CAPABILITIES
- Commercial HVAC Repair & Preventive Maintenance
- Boiler & Steam System Maintenance & Code Welding Repair
- Industrial Piping Repair & Process Line Service
- Emergency Response Services – 24/7 Rapid Repair
- Safety, Compliance & Documentation Support
Commercial HVAC Repair & Preventive Maintenance
We keep your building's climate control systems running smoothly year-round.
We identify problems before they become costly failures and provide thorough inspections, cleanings, and energy optimization services.
Our technicians handle everything from emergency HVAC repair to long-term maintenance contracts for:
- Rooftop units (RTUs)
- Air handlers & exhaust systems
- Chillers & cooling towers
- Thermostat & control diagnostics
- Indoor air quality systems
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Boiler & Steam System Maintenance & Code Welding Repair
We specialize in ASME Section IX repairs and maintain full documentation for all welds, including WPS, PQR, and continuity tracking for qualified welders.
Your boiler system is critical to daily operations—especially in industrial facilities. Our team offers:
- Emergency boiler repair
- Preventive boiler maintenance
- ASME-certified code welding for high-pressure systems
- Steam trap testing & system descaling
- Refractory inspection and cleaning
Need more information?
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Industrial Piping Repair & Process Line Service
We work with food-grade, stainless, carbon steel, and specialty materials to ensure the reliability and safety of your system. Don’t let pipe failures disrupt your process line. Our industrial piping team can support:
- High-temperature & high-pressure piping repairs
- Medical gas and chemical line inspection
- Corrosion, leaks, and crack detection
- Welded and flanged pipe repair
- Preventive flushing & line conditioning
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Emergency Response Services – 24/7 Rapid Repair
We’ve got the tools, manpower, and certification to minimize unplanned downtime and restore operations fast. Breakdowns don’t wait for business hours—and neither do we. When you need fast action, our team mobilizes quickly with:
- On-call technicians 24/7
- Dispatch within hours, not days
- Immediate response for HVAC, piping, and boiler failures
- Fully equipped trucks for on-site diagnostics and repair
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Safety, Compliance & Documentation Support
Our documentation is inspection-ready and fully traceable—because we know the paperwork matters as much as the performance. From OSHA to internal audits, we help you stay compliant—without the stress.
- Welder continuity records updated every 6 months
- Permit coordination and third-party inspections
- Support for safety audits and shutdown documentation
- QA/QC collaboration with your internal teams
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Maintenance Services
Frequently Asked Questions
We offer 24/7 emergency service with rapid dispatch—typically within hours. Our team is trained to mobilize quickly for critical HVAC, boiler, and piping repairs.
Do you offer service agreements or ongoing maintenance plans?
Yes. We create tailored service contracts based on your facility’s equipment, usage, and risk profile. This includes quarterly, monthly, or annual inspections and PMs.
What certifications do your welders hold?
All of our welders are ASME Section IX certified, and we internally track continuity records, WPS, and PQRs to ensure ongoing compliance.
What types of facilities and systems do you service?
We provide maintenance and repair for commercial, industrial, and specialty environments—including:
Our team services a wide range of systems: HVAC units, steam boilers, pressure vessels, industrial piping, gas lines, chillers, and more. If it moves air, steam, gas, or fluid—we know how to maintain it.
What systems do you support?
We service boilers, chillers, cooling towers, HVAC systems, process piping, steam systems, exhaust systems, and more. If it moves fluid or air—we can repair or maintain it.
Ready to Get Started?
Whether it’s a routine inspection or a 2 AM emergency, DePue Mechanical is ready to keep your facility online and operating.
Talk to a real technician. Fast response. No fluff. No waiting.