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Committed to fulfill or exceed the requirements of our valued customers.

Quality at the least cost through productivity enhancement.

Work in partnership with customers and coordinate with other subcontractors to reduce delay on projects.

Provide quality workmanship to give a finished product that both Rassac and  the customer can be proud of.

Provide a safe and healthy work environment.

EST. 1990


Here at Rassac, we are three generations strong in the Refrigeration, Heating, Ventilation and Air-conditioning trade. Michael Rohan started his company  Refrigeration Sales and Service in 1927’, where he established, with his knowledge of refrigeration and lots of hard work, an opportunity for his progeny to follow the family business. Thomas Rohan, took his father’s trade and the family business to the next level. Not only had the talents in repairs, but he also had a great understanding of the business side of the company, which would lead him to become the eventual founder of RASSAC.


After leaving the Air Force Reserve, where Thomas worked on the cooling systems for jets, the newly married Thomas decided to get his HVAC Contractors License to support his budding family and carry on the company that his father had built. Thomas decided to venture into the heating, ventilation and air conditioning part of the industry, with the help of his four brother's support. The hard work paid off. The second generation had taken control of the company’s growth and named it Ressac, short for Refrigeration Sales, Service and Air Conditioning. The company grew strong and big enough to support six families.

Thomas’s sons and daughter, Cary, Tim, and Erin, also began working with him  learning about the family business from the bottom.


In 1989 Thomas felt it was time to take on a new challenge. So he left the very successful family business he built, to his brothers. Thomas started a new company called Rassac, an acronym for Rohan and Associates Sales, Service, Air Conditioning. Thomas and his children and started a third generation of Rohans, in the refrigeration, heating, ventilation and air conditioning trade. He again built his company offering great service and a quality product to the public. Cary, Tim and Erin were the only third generation offspring to take on the serious challenge of learning the family business.


Thomas Rohan passed away November 19, 2001. Not before bestowing on his knowledge, work ethic and commitment to excellence, to the third generation of family, who continue to uphold this today.

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