Advice on Badly Undersize Returns
First off are there any good books that I can read on HVAC
I needed advice regarding my HVAC. I bought a house over a year ago and have been slowly figuring things out.
I have 2 HVAC units , 1x 2.5 ton for the top floor (4 bedrooms), 1x 5 ton for the main floor/basements which both have badly undersized returns from what I've read. I'm going to separate it into separate messages to make it easier to decipher