Founder, Co-Owner, President [email protected] 603-291-0111 Doug started working in the HVAC field January of 1981 and started Design Day Mechanicals on March 17, 1988. He graduated from UNH in 1974 with a Bachelor of Arts, not an Engineering degree. His knowledge of HVAC engineering is primarily through self-apprenticeship and asking a lot of questions through the School of Hard Knocks. On his first day of work at Concept Mechanicals in…
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David Magnuson
Co-Owner, Sr HVAC Designer [email protected] 603-463-1086 Over twenty-five years of experience in the HVAC industry beginning in the field as a duct fabricator and installer. After gaining experience later roles included project manager, estimator and system designer. 1999 brought the transition from HVAC work to a fulltime drafting and design. 2008 marked the beginning of the relationship with Design Day Mechanicals, Inc, eventually becoming a co-owner in 2015. Hobbies and…
Andrew W. Arsenault, P.E., LEED AP
Co-Owner, Vice President, Engineer of Record [email protected] 207-337-2473 Andy Arsenault is a licensed Professional Engineer in the states of NH, ME, MA, VT, CT & CO. He brought a diverse background to DDMI in June 2013 having worked for large and small engineering firms, mechanical contractors and HVAC equipment manufacturers’ rep firms. Andy is a proud UNH graduate with bachelor’s and master’s degrees in Mechanical Engineering. He lives in Wells,…