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CroppMetcalfe's Involvement in the Industry Benefits Our Customers


The Air Conditioning Contractors of America (ACCA) is the nation's premiere trade association of heating, ventilating, air conditioning, and refrigeration (HVAC/R) contractors. With 68 state and local chapters across the country, ACCA's member network of more than 9,000 contractors nationwide also includes manufacturers of HVACR equipment, wholesalers and distributors, vocational and technical schools, facilities operators, and others.


The National Air Duct Cleaners Association (NADCA) created industry standards, credentialing programs, and a system of continuing education for air duct cleaners. The founding members of NADCA made it their goal to bring professionalism to the business of air duct cleaning. Through the association's efforts, NADCA has helped create a safe, better-educated industry.


One certification program. One standard of excellence. Technicians working in the heating, ventilation, air conditioning and refrigeration industry now have a single, clear choice for voluntary testing and certification: the new Air Conditioning Excellence (ACE) program offered through North American Technician Excellence, Inc. (NATE).  "As an organization whose sole purpose is to recognize high-quality industry technicians through voluntary testing and certification, NATE is uniquely qualified to provide the HVAC/R industry with an inclusive and independent certification program valuable to technicians, contractors, and consumers," said John Garvelink, chairman of NATE and past president of Plumbing-Heating-Cooling Contractors National Association.  Some of the certification topics include:

  • Workplace Safety
  • Customer Relations
  • Physics of Refrigeration & Air Conditioning
  • Fundamentals of Refrigeration & System Servicing
  • Copper Systems & Heat Exchangers
  • Electrical Fundamentals
  • Electrical Diagrams, Controls & Troubleshooting
  • Motors & Starting Devices
  • Combustion & Venting; Electric Heat, Hydronic and Piping Systems
  • Gas Fired Systems
  • Oil Fired Systems
  • Heat Pump Systems
  • Troubleshooting Heating Systems
  • Air Properties
  • A/C Systems & Heat Pumps


CroppMetcalfe's testing facility in Fairfax, VA is Building Performance Institute (BPI) certified. BPI is a national standards development and credentialing organization for residential energy efficiency retrofit work – providing training through a network of training affiliate organizations, individual certifications, company accreditations and quality assurance programs. As an independent, not-for-profit organization, they bring together leading building science experts from across North America to develop their standards using a consensus-based methodology. 


Plumbing-Heating-Cooling Contractors (PHCC) Since 1883, PHCC has been the leader in promotion, advancement, education and training. Today PHCC has more than 4100 contractor members from open and union shops, who work in the residential, commercial, new construction, industrial and service and repair industry segments. Benefits of membership in PHCC include access to training, marketing, and business information that aims to improve the industry as a whole.


The mission of the Plumbing and Mechanical Professionals of Virginia (PMPV) is to provide networking, information, education, and training to its statewide membership as well as tracking legislation and providing a forum for problem solving. The vision of PMPV is to provide a growing membership with the resources, education, and public recognition they need to expand their businesses in the most professional and profitable manner. What this means for the public is that PMPV member companies are committed to upholding the most ethical, professional, and quality business practices. PMPV is the State and Local Chapter of PHCC.


Comfort Institute, Inc. (CI) is an international indoor comfort research, training and consumer protection organization based in Bellingham, Washington with trainers and offices located throughout the United States and Canada. Comfort Institute's Consumer Protection Division provides homeowners with valuable consumer information and tips that cover many aspects of home comfort including ways to reduce or completely eliminate common problems such as:

  • Hot and Cold Spots
  • Excessive Dust
  • Allergy and Asthma Suffering
  • Dry or Damp Indoor Air
  • Unhealthy Indoor Air
  • Noisy or Unreliable Heating/Cooling Equipment
  • Excessive Utility Bills

Quality One is a network of well established locally owned, independent Heating & Air Conditioning contractors in Maryland, District of Columbia, and Virginia with a reputation for quality and high customer satisfaction.

They have pledged to uphold the highest ethical standards, maintain the proper state and local licenses, comply with all local codes and regulations, and carry the proper insurance. This combination assures you a higher standard of services and unparalleled excellence.  As "Quality One Contractors," their mission is to deliver the highest level of excellence in the respective trades coupled with strictly upholding their code of ethical business practices.  Quality One associate companies are totally committed to providing their customers with a high degree of professional services in all areas; using only state-of-the-art top quality material and installation or service techniques.

Their goal is to exceed the expectations of customers and earn their loyalty. Providing complete customer satisfaction is in everyone's mutual interest. They believe success is truly achieved when customers recommend the companies to their friends and family.

NPMAThe National Pest Management Association's goal and Mission is "to support the pest management industry's commitment to the protection of public health, food and property." They focus on getting information out to pest management companies (like CroppMetcalfe) in a timely and efficient manner. This helps serve their overall goal of protecting homeowners and business like from unwanted pests.  


The Eagle's Nest Mix Group is a national organization of the top HVAC/R professional contractors in the country. Through collaboration and sharing of ideas, they look to improve the comfort for all of their customers.



Other Associations

Washington Gas Certified Contractor
The Better Business Bureau
Excellence Alliance Inc. (EAI)
Qualified Gas Contractors Association (QGC)
Local Chambers of Commerce (Loudoun and Fauquier
PEPCO Power Watchers Contractor



What Our Customers Say...

"I've been a CroppMetcalfe customer for 9 years and you have always provided outstanding service. I just had my semi-annual maintenance done, and I wanted to thank George for the truly outstanding service, professionalism, and excellent advice. He is definitely one of the best 5-Star Technicians I've had! Thank you CroppMetcalfe!"

Bill H