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For more than 35 years DB Sales has provided boiler, industrial equipment, HVAC and plumbing solutions to Southern California.  We partner with the best manufacturers, worldwide, who share our commitment to using responsible approaches for more energy-efficient buildings and meeting Ultra Low NOx requirements.

DB Sales opened for business in 1978.  Current president Steve Mertz purchased the assets of the company in 2010. He has accelerated partnerships with other manufacturers, adding experienced sales personnel, and increasing inventory to support company growth.

Energy Efficient Boiler Expertise

Steve holds a degree in Mechanical Engineering, B.S.M.E. from Bucknell University in Lewisburg, Pennsylvania. He’s been involved in boiler system design and application for more than a decade and has advanced expertise in designing steam and steam boiler systems, high efficiency hydronic, and domestic heating systems.  The company’s emphasis on Ultra Low NOx boilers for commercial customers  has resulted in many project success stories

He is also experienced in many other types of HVAC and process equipment.

Expert in Ultra Low NOx and energy efficient solutions

One of Steve’s main focuses has been on partnering with manufacturers who offer “green” solutions.  DB Sales’s expertise in providing high efficiency chiller plants, high efficiency pumping solutions, and high efficiency air handler solutions are an important component of the company’s growth. Additionally, DB Sales provides solutions that meet all of California’s very stringent Ultra Low NOx guidelines.

The company is known as an expert in identifying energy efficiency equipment rebates offered by Southern California utilities, and helping its clients secure the rebates.

Serving Los Angeles and all of Southern California

DB Sales in located in Garden Grove, on the border of Los Angeles and Orange Counties. We provide service throughout Southern California, including Los Angeles, Ventura County, Orange County, Riverside County, San Bernardino County, and San Diego County.

DB Sales and Service is a member of the following trade organizations:

  • Building Owners and Managers Association (BOMA)
  • America Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
  • Refrigerating Engineers & Technicians Association (RETA)
State License Number: 984459

Air Handlers, Fan Coils and Heat Pumps
Boilers and Water Heaters
Chiller Control Systems
Hydronic & Steam Specialties
Other Products
Energy Rebate Experts

List of All Manufacturers plus


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