We offer career opportunities that allow you to be part of a team and grow as an individual.  We strive to work safely and exceed customer expectations!  If you're interested in:

  • Developing your skills
  • Teamwork
  • Providing outstanding Customer Service
  • Safety and Quality

... then a career with Riddleberger Brothers, Inc. may be right for you!


  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Short Term Disability Insurance
  • Long Term Disability Insurance
  • Accidental Death & Dismemberment Insurance
  • Health Care and Dependent Day Care FSA's
  • Employee Assistance Program (EAP)
  • 401(k) Plan
  • Vacation
  • Holidays
  • Sick Time

Company Information:

Riddleberger Brothers, Inc. has over seven decades of service to our customers; we are an established leader in heating, ventilation, air conditioning, plumbing and piping. Our extensive range of services combined with our experience ensures that we meet our customers’ every need and enables us to offer a broad range of career opportunities.

  • Main office is located in Mt. Crawford, VA
  • Parent Company - Comfort Systems USA
  • Full service plumbing, mechanical, HVAC service, controls and design-build company

Position Description

Start Up Technician A

Primary Purpose:  Responsible for start up and commission of commercial/industrial HVAC equipment   

• Comply with all safety standards, policies and procedures.

• Service, maintain, start, commission and repair the following types of equipment (not an all-inclusive list):

• Low voltage temperature-control systems generally associated with HVAC equipment

• Direct expansion constant volume, multiple circuited/compressor air conditioning equipment

• Water-cooled AC units up to 100 tons

• Water source heat pumps and associated equipment

• Atmospheric gas fired hot water boilers

• Most gas fired and electric heating systems typically found in commercial equipment up to 100 tons

• Chilled and hot water piping and pumping systems and associated equipment

• Computer room type units with self-contained humidifiers and controls

• Non-BAS, pneumatic, electronic, and modular DDC temperature controls generally associated with commercial HVAC equipment 

• Boilers with forced air burners under 200 HP

• Air handling equipment typically found in larger commercial systems

• Air-cooled water chillers equipped with reciprocating, scroll and screw compressors

• Electronic controls incorporated with most packaged water chillers

• Electronic Variable Speed Drives typically connected to VAV air handlers, pumps, towers, etc.

Other Requirements:

• Working knowledge of Microsoft Office products

• Ability to accurately read a ruler or tape measure

• Valid driver’s license and ability to meet the company driver qualification policy 

Apply today and build your future with Riddleberger Brothers, Inc.!

Equal Opportunity Employer, including disabled and veterans.