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If you say so. That's why I'm asking here because I just simply don't know. I'm trying to educate myself. :putergreet:

Well he said that having the 5 ton two-speed evaporator would really help my humidity level in the summer months. He said that it would have a continuous stream of condensation (as opposed to the...

skippedover,

I have a friend that is a professional HVAC guy, and he suggested a 3.5 ton condensor/compressor and a 5 ton variable speed evaporator unit.

I have investigated this a little. Do you have an opinion on Gila Heat Control Window Film?

I apologize in advance for the long post

I would like to know if there is a HOWTO on determining the correct size A/C unit to install in a house. I live in (and am the original owner of) a house...

Indeed :gah:

How can I measure this? Do I have to have a special meter to measure the amount of air flow?

When you say it is "sized" for a 74-75 design temperature, do you mean the tonage (3 ton) of the compressor/condensor unit and the (3 ton) evaporator unit?

I don't know of any leaks as, like you...

Now don't laugh, but we like to keep it around 70F throughout the day, and on many days our system will "maintain" this temperature but if we decide to let it get to 72F for some reason, then the...

I guess I would like to know if adding another return grill and filter (same size) on an adjacent wall if I could expect more cool air to enter through the supply registers and thus cool the rooms...

I am getting anywhere between 52F to 57F from my supply registers depending on the current temperature in the house (typically there is about a 18F difference between the return air and supply...

Am I correct in assuming that my evaporator unit is "choking"? That is, does it seem like the return air is a bottleneck for the system?

Am I misunderstanding something? I cannot see how there should be any noticable pressure drop between the unit and the return air grill/filter since there is no duct and the unit sits directly above...

There is no duct work connecting the evaporator unit to the return air grill and filter. The evaporator unit is in a mini-closet in my hall which is elevated about 2ft above the floor. A portion of...

Should I add the square area of the supply registers and try to match that with the return air grill size? I assume that I am not going to be able to get 1200cfm of airflow total out of my supply...

I have a 3 ton evaporator unit that is rated at 1200cfm airflow, but my return air grill is only 14" x 24". Am I correct in thinking that this is too small? I have read many places that I should...