With out manual J and a blower door test number your just guessing as to what size of hvac equipment you'll need as you can see from chart below proper sizing hvac equipment provides better home comfort.
Load calculations with Manual J, S, D
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed malesuada faucibus ex nec ultricies. Donec mattis egestas nisi non pretium. Suspendisse nec eros ut erat facilisis maximus.
