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COLD TO HOT or if you want to be technical between 62+- to 92 +- Fahrenheit on average. if its too cold the heater obviously isn't working, but may I suggest first looking at your heater controls to ensure the temperature dial is set to warm (THE RED PART OF THE CONTROL)


When trying to cool a typical house, the average central AC will only decrease the temperature by about 20 degrees. For example, when it is 100 degrees outside, the inside will typically cool to about 80 at best. However, in order to achieve the 80 degrees inside, the air coming out of the vent should be 45-55 degrees.

The temperature coming directly out of the vent is different than the ambient temperature of the house. The air coming directly from the vent should be 45-55, however this will not be the temperature in your home.

If using a thermometer stuck in the vent, and the blower fan on a medium speed, in the full cold position with AC on vent, temperatures should be between 40-50 degrees F. In the full heat position vent temps should be at least 140 degrees F.

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โˆ™ 2015-12-05 18:19:32
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Q: What should the temperature of air from the heat vents be?
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What should the temperature of air from the heat vents be in house?

On the vents closest to the main unit it should read around the same temperature that the thermostat is set to after its been running and then as the venting increases the temperature should be less, between 2 to 10 degrees different depending on how well the ducting is in the attic........

Do air vents bring heat?


What temperature should air be coming out of vents for heating?

Whatever it is set to on your heater's control keypad.

What should the temperature of air from the AC vents be?

normally 15to 20 degree split between return air and discharge..

How cold should air be that comes out of car vents with air conditioner on?

Depends on the ambient air temperature, humidity level, and type of refrigerant used.

Taking heat out of the air will do what to the air temperature?

Removing heat from the air will lower its temperature.

In order to heat a room should heating vents be placed near the floor or near the ceiling of the room?

Heating vents should be located near the floor since hot air rises. If the heating vents are located near the ceiling the heat would stay there and not warm the room.

How do the vents work on a hot air balloon?

the vents work because of the heat which can make the hot air balloon go up

Air conditioning coming out of vents in your car should be what temperature on average?

55 degrees above zero Fahrenheit

With the air conditioner on what should the temperature be coming through the vents?

Depending on the year, make, model along with if it has single or dual a/c systems and what the outside temperature is, it can be between 36 to 48 degrees...... Simply, the A/C vents temperature should be whatever you set the thermostat as.

Taking heat out of the air will do what to the temperature?

Removing heat from the air will lower its temperature.

What can you do if you can't get heat from the rear upper vents in your 2001 Sienna?

I believe the upper vents are for A/C only. The floor vents are for the Hot air. Test your ceiling controls by moving the knob from cold to hot, you should hear the air pass from upper vents to lower vents. Providing of course you have selected REAR from the front control panel.

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