Business Details
48 Years
experience
Emergency
services
Commercial HVAC Sales, Rentals & 24/7 Repair Services
DB Sales & Service has been a trusted leader in commercial HVAC solutions since 1978, specializing in high-efficiency boilers, burners, pumps, and energy-efficient systems. Our team of factory-certified technicians provides 24/7 emergency repair services, rentals, and installations across Southern California. With over 45 years of expertise, we prioritize compliance with stringent emission standards and deliver tailored solutions to reduce energy costs while ensuring operational reliability. Our commitment to innovation is reflected in our partnerships with top manufacturers and our focus on ultra-low NOx technologies. Headquartered in Anaheim, CA, we serve diverse industries including healthcare, education, and hospitality, supported by a comprehensive inventory and short lead times.Our dedication to customer satisfaction is evidenced by decades of repeat clients and industry recognition, including the Southern California Gas Company's Trade Pro Partner of the Year Award. Through continuous employee training and investment in cutting-edge technology, we maintain our position as a regional authority in HVAC systems. Our leadership in energy-efficient solutions has driven exponential growth, particularly in retrofitting projects that combine cost savings with environmental responsibility. With a service footprint spanning eight Southern California counties, we combine local expertise with nationwide standards of excellence.
Services
Boiler Sales
Burner Retrofits
Pump Rebuilds
Solar Water Heating
Boiler Rentals
Parts Supply
HVAC Maintenance
Utility Rebates
Emergency Repair
System Design
Details
- Year established: 1978
Highlights and features
- Over 45 years of specialized HVAC industry expertise
- Factory-certified technicians for major boiler brands
- 24/7 emergency response with rapid deployment
- Energy-efficient solutions meeting California's strictest regulations
- Service network covering all eight Southern California counties
What people say
Quick professional response
Factory-certified technicians
Energy cost reductions
24/7 emergency availability
Proven reliability
Services
Boiler Sales
We offer high-efficiency commercial boilers for industrial and institutional buildings. Our inventory includes steam boilers, hydronic systems, and gas-fired units meeting ultra-low NOx standards. Factory partnerships ensure access to cutting-edge technology with full installation support and compliance documentation.
Burner Retrofits
Our retrofit solutions convert existing systems to meet California's emission requirements. Specializing in ultra-low NOx burners from Johnson and Riello, we improve efficiency while reducing operational costs. Projects include combustion analysis, component replacement, and performance validation.
Pump Rebuilds
We provide comprehensive pump maintenance and rebuild services for commercial HVAC systems. Using OEM parts, our technicians restore efficiency to booster pumps, circulation systems, and industrial pumping equipment. Services include diagnostics, component replacement, and performance testing.
Solar Water Heating
Our solar solutions reduce energy costs for commercial facilities. We install and maintain Enerworks solar thermal systems for domestic water heating and pool applications. Projects include system design, permit acquisition, and integration with existing HVAC infrastructure.
Boiler Rentals
We maintain a fleet of rental boilers for emergency and project-based needs. Available units include high-pressure steam boilers, hydronic heaters, and domestic hot water systems. Our 24/7 deployment team ensures rapid installation with full operational support during equipment downtime.
People
Stephen Mertz
President and CEO
Mechanical engineering graduate with 25+ years in boiler system design. Led DB Sales' growth through energy efficiency innovations. Holds B.S.M.E. from Bucknell University. Specializes in steam systems and ultra-low NOx compliance solutions.
Questions
Do you offer 24/7 emergency boiler service?
Yes, our factory-certified technicians provide 24/7 emergency repair services across Southern California with rapid response times.
What areas do you service?
We serve all eight Southern California counties including Los Angeles, Orange, San Diego, and Riverside Counties.
Can you help with ultra-low NOx compliance?
Yes, we specialize in ultra-low NOx burner retrofits and new installations meeting California's strictest emission standards.
Do you provide boiler rentals?
Yes, we maintain a fleet of rental boilers including steam, hydronic, and domestic hot water systems with 24/7 deployment.
Are financing options available?
We can connect customers with third-party financing solutions for equipment purchases and major retrofit projects.
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