" Jonathan Duncklee named 2012 Employer of the Year
by the Greater Mystic Chamber of Commerce!"
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Corporate Photos – Duncklee Cooling & Heating

Comfort. Quality. Reliability.

Best of Readers’ Choice Awards, 2015, 2016, 2017 and 2018


2013 Duncklee Team


World Headquarters


Dana Jensen/The Day
Jonathan Duncklee, vice president of Duncklee Cooling & Heating in Stonington, is seen with his 8-week-old puppy, Jessie, who will accompany him to work


2012: The Duncklee Cooling and Heating team at the Edward O. McCabe Employer of the Year at the Greater Mystic Chamber of Commerce Silent Auction and Annual Dinner


2012: Jonathan Duncklee with Tricia Cunningham, President, Greater Mystic Chamber of Commerce


Welcome Jessie, our new corporate mascot, Born March 1, 2013


Les Duncklee, Our Late Founderles_duncklee Jonathan Duncklee, Presidentjonathan_duncklee


Jonathan Duncklee on Mystic Matters- Air Date 4/12/13