Yes this is the right approach. When you have a HVAC system attached the amount of outputs will vary according to the system. So is you have a system with all these different gas-fired equipments the total use off gas is the sum of these parts.
Yes this is the right approach. When you have a HVAC system attached the amount of outputs will vary according to the system. So is you have a system with all these different gas-fired equipments the total use off gas is the sum of these parts.