Professional Commercial Boiler Service Fresno – 24/7 Emergency Support
Our certified boiler experts provide around-the-clock commercial boiler solutions throughout Fresno and neighboring communities including Clovis, Madera, and Visalia. We bring extensive knowledge in servicing all premier boiler manufacturers, including Ace Heaters, Ajax Boiler, Advanced Thermal Hydronics (HydroTherm), Bryan Boilers, Burnham Commercial Boilers, Indeck, Intellihot, Raypak Boilers, RBI, RECO, and countless others.
Emergency Boiler Service
Boiler Repair
Boiler Maintenance
Boiler Parts
Boiler Rentals & Boiler Replacement
DB Sales offers dependable commercial boiler repair and maintenance across Fresno and the greater Fresno County area, providing reliable service for organizations of every size.

Skilled Professionals for Complete Boiler Care and Repairs
From critical boiler emergencies to planned maintenance and full system installations, DB Sales is prepared to assist. We provide temporary boiler rental services to maintain your business continuity during repairs or equipment transitions.
Proactive Maintenance Solutions Regular maintenance is fundamental for superior boiler performance and extended equipment lifespan. A defective boiler can cause expensive repairs or complete operational disruptions. To prevent crises, we advise annual professional assessments and detailed servicing.
As a certified member of the National Board of Boiler & Pressure Vessel Inspectors, DB Sales & Service holds authorization to execute metallic repairs and modifications at both facility and field sites, delivering superior knowledge in maintaining and repairing fired boilers, pressure vessels, and additional ASME-certified systems.
Why Routine Boiler Maintenance Is Critical
Commercial boiler service is vital for ensuring the safety, efficiency, and reliability of your heating equipment. Proper maintenance delivers:
- Maximum Energy Efficiency: Regular servicing ensures boilers function at optimal performance, decreasing energy costs and reducing carbon footprint.
- Improved Safety: Well-serviced boilers reduce risks such as leaks, explosions, and toxic gas exposure.
- System Reliability: Routine evaluations prevent breakdowns and extend the operational life of your boiler.
- Economic Advantages: Preventive maintenance avoids expensive emergency repairs and minimizes operational interruptions.
Innovative Boiler Service Solutions in Fresno
Many commercial boilers perform at approximately 60% efficiency, but DB Sales can substantially boost performance. Our skilled technicians use advanced equipment and techniques to replace vital components, extend system durability, and maximize efficiency while minimizing environmental impact.
We specialize in ultra-low NOx combustion systems and energy-saving technologies to comply with Fresno’s demanding environmental requirements. Our extensive experience (established 1976) with top manufacturers enables us to maintain diverse boiler systems with exceptional outcomes.
- Combustion tune-ups
- Boiler retubes
- Refractory repair
- Maintenance plans
- Control upgrades
- Annual inspections
- Retrofits
- Emission monitoring per 1146.1/1146.2
- Visual inspection of system components
- Data logging of system settings & parts
- Component safety checks verified for functionality
- Inspection of electrical cabinets
- Review of burner assembly, combustion chamber, and operating history
- Recording of BMS & controller parameters
- System operations logged and compared to PID loop controls
- Inspection of pump & motor
- Spare parts list generated
- Recommendations for preventative maintenance
- Thermal imaging of equipment
- New commercial boilers and installation
Request a Quote for Part(s)
If your business in Anaheim or nearby areas like Buena Park or Tustin requires boiler maintenance, repair, or installation, contact DB Sales today for expert service. We’re here 24/7 to meet your commercial boiler needs!