HVAC Design

Hello,
I am planning to build a home in Connecticut and I am looking to use a company to design the HVAC system (manual J, S & D). I have looked at Energy Vanguard as well as Priority Energy but I have not found any companies in the local area. Does anyone have any experience working with a contractor in Connecticut to install a pre designed system?
Chris
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Replies
Give these guys a call. They can either help or point you in the right direction.
https://www.magrann.com/services
(BTW I'm in Old Saybrook and about to do a major renovation)