Quote:
Originally Posted by Chief Roundup
Well if it hasn't froze up by now you must have quite a bit of duct leakage or the refrigerant levels will not be quite right when you start using the whole house. Try opening all the vents and see what difference it makes. See if the house cools better. I know it will cool more evenly. But see if the system will stay off a little longer between cycles. See if you have a little better airflow not just out of the registers but see if your return grills where your filters are at catch more dust. At the return you can use a piece of paper to see how strongly it is pulling the paper towards or on to the grills. If you have a couple of thermometers put one on or as close to the returns as possible. Put another at one of the registers. This time of year you should have somewhere around a Delta T of 15. That is the temperature difference between the two. 14 to 17 this time of year. Anything out of that range will show that the system is not opperating properly.
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Are registers and vents synonymous?
I have 4 filters (2 for each a/c unit) in the ceiling in the hallway upstairs. Are these the only filters, or are there more in the ducting or near the units? The only ones I've ever changed are those ones in the ceiling.
I opened all of the vents today. It seems so counterintuitive to cool more of the house.