Hi, i am from montreal canada,
My needs: 5000 cfm VAV, cooling 120 MBH, heating natural gas 126 MBH
I have to go with a standard York rooftop and since the 12.5t can not give me the ext static pressure i need i have to go with the 15t ( 130 MBH cooling and 240 MBH heating).
I am worried...