Can this 3 ton unit be installed with an existing upflow gas furnace?

As long as the system is sized correctly with your existing furnace, yes it can be used. If you need help with sizing, check out our Sizing Guide at the top of our website or give us a call and a member of our sales team will help you with the sizing calculations. Our sales team is composed of HVAC experts, so they will be able to point you in the right direction if this system does not fit your furnace.

If you have any further questions, please call us and we will be happy to assist you.