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Diversified Refrigeration - ­Commercial HVAC & Refrigeration Experts

Diversified Refrigeration is a leading provider of industrial and commercial HVAC and refrigeration services, including:

  • Renovations and replacements to increase energy efficiency and improve reliability
  • New installations integrated with building management systems
  • Indoor air quality upgrades, such as bipolar ionization systems to kill viruses
  • 24/7 on call services
  • Preventative maintenance 

Our customers include hospitals, health centers, senior living communities, schools, universities, manufacturing facilities, churches, restaurants, hotels, and office buildings. 

We are located in Dublin, Upper Bucks County, PA and have been serving the region for more than 30 years. 

Diversified Refrigeration is accredited by the Better Business Bureau and our president is a member of the American Society of Heating, Refrigerating and Air-Conditioning Engineers.

We work collaboratively with our customers and suppliers to develop and implement solutions that integrate building management systems with advances in equipment technology to increase energy efficiency and reliability, improve indoor air quality by removing pathogens and particulates, and tackle challenging repair problems.  Our team is available around the clock with expert service.


New Ownership

After more than 32 years of hard work, the founders of Diversified Refrigeration, Gary and Cheryl Derr, sold the business in December 2020 to enjoy a well-earned retirement! 

The new owner, Sprague Cook, is a former naval officer and a graduate of the U.S. Naval Academy with more than 25 years of engineering and construction experience, including 8 years involved in the project management, engineering, procurement, installation, and startup of industrial refrigeration and central cooling system projects.  Sprague is known for developing and supporting high performing teams in a cooperative and motivational work environment.

Sprague and the rest of the team at Diversified Refrigeration are focused on providing outstanding safety, quality, and customer service by building collaborative relationships with our customers, suppliers, and the local community. 


Trade Associations

Diversified Refrigeration is proud to be a member of the following trade associations:

logo ashrae American Society of Heating, Refrigerating and Air-Conditioning Engineers
Refrigeration Service Engineers Society
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