I have a similar problem. It gets up to 78 degrees in the house and the ac unit is set to 65. It sounds like it is on all day and my electric bill is rediculous. I have replaced the filter, but have read things about cleaning out the outside unit. Does anyone think that this will help? If so, how do you go about doing it? My duplex management wants to charge me money to send someone over here to look at it...
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if you have it set at 60 F and it is working at 65 to 68 F then that would be about right
as the air is cooled the cold air falls to the floor and out under the door, open window or anywhere else it can escape
the unit has to be at 80% room height so if it is set in a window then when the cold air gets up to the thermostat or ac level in the window then it will stop cooling
So if the ac unit is say 4ft from the floor and the ceiling height is 8 ft then the ac will only cool the bottom 4 ft
cold air does not rise but falls down
if you are using a ceiling fan then the cold air is stirred up and the 65F sounds about right
remember that the setting temp ( what you set it at) is the lowest temp that it will go down to before it stops cooling and if that is not reached it will keep working to attain that temp and if the room is too big, air leaks under door . around the fit in the window , no insulated walls , hot exterior wall,etc then maybe 65 F is the best you will get
Sounds like it could be low on freon I believe these units have about 1.5 pounds of freon in them and are critical in not undercharging or overcharging them if it is a freon 410 ac unit the pressures should be about 135 and both lines cold if is low on freon a service tec will need to be called to try to repair the leak if possiable
DO NOT buy a RUUD system. I purchased a complete system in 2010 & have had multiple issues since - - new coil, high humidity levels, condensation on my walls when the furnance is on, and now when the outside temp is 90+ degrees the AC unit shut off and only blows hot air. THey've replaced the "board" and I was told that RUUD is aware of multiple problems with the 2010 units but will NOT recall them.
Have them turn the outdoor unit off and wait a few minutes. When they turn it back on they should here
the fan and the compressor come on. They are to different sounds.
If they think that they have both come on, tell them to check the black insulated suction line. it should at least cold to the touch. If not it could be a freon issue.
If the line does get cold, have them checkthe filter in the house. If that is ok tell them to turn the power off
to the outside unit. Take a garden hose and wash
the outside coils on the outdoor unit,be carefull not to
smash the fins. Wash them at an angle from top to bottom.
it is likely low on coolant or as some say "freon" that or the indoor fan motor has not run properly. let it thaw completely by shutting it off and just turning on your fan switch from auto to the on positon. if you begin to feel air flow eventually you need coolant added b/c you probably have a leak from the system being old
If your unit is running 24/7 you are either low on charge or the unit is to small for your house.
A 20° temperature difference is about normal for the room air vs the air coming out of the ducts, but the room air and the leaving air should keep getting colder and colder.
An air conditioner should cycle approximately 3 maybe 4 times in an hour if it's properly sized.
As for the thermostat thermometer they are very cheap and are more for reference than actual temperature, so if 78° is not comfortable, then you should set it lower but not rely on thermostat being accurate or what the thermometer is saying as long as it is consistent.
The air conditioner and thermostat can also be set below 78°, there's a lot of people set them at 72° and below with no problems.
the only thing is if you have real low humidity you'll need to watch indoor coil or the suction line (the big line) on your outdoor unit and make sure it doesn't freeze up on you.
if it is set to 76 degrees and its 78 in the house its working fine it is suppose to shut off once it reaches 76 but sometimes there is a 1 or 2 degree differential built ini would keep you filter clean and as long as it blows out cold air i wouldnt be to concerned most airconditioners need yearly cleanings though
make sure the system switch is in the cool position, then press run program button and allow a couple of minutes for system to cycle on, if it doesn't come on press the button for lowering the set point, set it to 72 degrees and then press the hold temperature key.
Hello Glenn. There are factory reps for Rheem/ Ruud and if the contractor and distributer can't solve your problem then a Rep needs to go to your house and take care of it. What type of Ruud unit do you have? I will need the model number and a description of what you mean by "keeping up". Also what State / Country are you in? Let me know as soon as you can and I'll see if I can help you out.