When it's very hot, the cold air doesn't stay on long enough. It's fine in 80 degree weather, but it's 100 degrees now, and my little place is an oven, even with the thermostat set at 60 degrees. Please help. Thanks so much. Greg Maro

Is unit where there is no heat? Your fridge thermostat measures temperature in the refrigerator section. So if it’s 32 degrees where Fridge is located, then it doesn’t have to run to maintain 35-37 degrees inside fridge section. Thus feeezer doesn’t get cold enough to freeze.

Sounds like the heater is on as well. Even if ac is not working it shouldn't get hotter than outside air temp. Possible stuck relay.

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You may have it a little overcharged but not much. It all depends on how hot it is outside. If its around 90 degrees F, the low side would be about 68 to 70 lbs. (refrig 22) If its 110 degrees F outside, you're sitting about right. Just make sure it's not sweating water from the big copper pipe onto the compressor. This would mean you have a pretty big overcharge.

Air conditioners generally cool the air 15 to 20 degrees. 80 degrees in return should be 65 in supply. 70 degrees in return should be 55 in supply. If the a.c. is in that range it is working fine and doing all it is going to do.

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The air is cool but doesn't seem cold enough If the air doesn't seem cool enough it is necessary to use a thermometer to check the difference in temperature between the air going into the unit and the air being blown into the room. Ideally, the temperature difference should be more than 15 degrees. For example, if the temperature going into the air conditioner is 80 degrees, the temperature coming out of the unit should be at least 65 degrees or less. If the difference is 15 degrees or more there is probably no cause for concern. If the temperature difference is less than 15 degrees you should check the following:

• Air damper

Check to make sure the air damper is closed. If it's open, it will bring in outside air and reduce the efficiency of the unit.

• Back cover

During the winter season many people cover their air conditioners to protect the unit from the weather. In the spring or summer they will sometimes forget to remove the cover. If your unit has a cover on the outside portion of the air conditioner remove the cover first.

• Condensing coils

The condensing coils will always be on the "warm" side of the air conditioner. That is, on the side that faces outside of the room to be cooled. Air is drawn into the back of the air conditioner on the sides through vent slots and is blown directly out through the condenser coils. If the coils get clogged with lint, dust and dirt the cooling system cannot provide the cooling necessary. To clean the coils it will be necessary to remove the entire cover of the air conditioner or pull it out of the wall to gain access to the coils. They can be cleaned by blowing compressed air at them or by using a soft bristle brush to wipe the dirt off. It is important to also clean any dirt or lint build-up in the bottom of the air conditioner so the condense water will be picked up by the condensing fan slinger properly.

It could also mean that you are trying to cool too big an area for the size of the unit.
AREA TO BE COOLED / CAPACITY (BTU/HR)

100 to 150 square feet = 5,000
150 to 250 square feet = 6,000
250 to 300 square feet = 7,000
300 to 350 square feet = 8,000
350 to 400 square feet = 9,000
400 to 450 square feet = 10,000
450 to 550 square feet = 12,000
550 to 700 square feet = 14,000
700 to 1000 square feet = 18,000

Is the line going out of compressor, hot? If it is not, there is not enough gas.

more details what manual start button? you mean you pushed in the contactor on the outside unit?? check your yellow wire on your T-stat.... check power to your outside unit and fuse's if you have any........

Sure the engine coolant will be warmer than the outside temperture and if the car has been sitting a long time in cold weather and the outside temperture warms up it could be the other way around. The coolant temperture sensers aren't real accurate as they are a relaitive senser beween hot and cold and the numbers reported don't have to be real just the change from hot to cold and the reching of the coolant to the operating temperture. Noe it the senser doesn't read the opertating temperture coprrectly you'll have all kinds of problems. The therostaste will try to set the temperture of the water to it's set temperture and can open or close completly to get 195 degrees F. Many times if it's too cold then the stat is bad and needs to be replaced This shows up in alot of cars first thing after winter and the first onset of cold weather when the daily tempertures vary the most from day to night.

Are you waiting long enough for the water to be totally heated, before showering? Unfortunately, all the water doesn't reach 60 degrees celsius (140 degrees fahrenheit) in a matter of minutes. Try switching to the hot water mode sooner and allow enough time for the system to heat up entirely. If that doesn't solve the problem, the burner may need cleaning,

Hope this helped you. Please let me know. Thanks.

Replace the thermostat. the temperture should be at the 190 to 200 mark