Question about Intertherm P3RA-048K Air Conditioner

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Hvac systems my air isnt blowing very well so i turned the furnace from auto to on it is blowing now but it still isnt cooling the house what might my problem be

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Re: hvac systems

1. Check and/or replace the filter in the air handler

2. Make sure all vents are open and not blocked

3. System may need inspection and charge

Posted on Oct 17, 2007

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Keeping your whole home cool with central air.

Sometimes it is difficult to keep your home cool in the hot summer months. Also, some areas of your home may still be hot where other areas are too cool. Try this method to keep your home cool evenly throughout. Before you get started make sure your furnace filter is new. This will allow for maximum air flow.

If your living space is a single floor plan:

  1. Turn the air conditioning on
  2. Switch the furnace fan from auto to on.
  3. Measure the temperature in each room.
  4. Close the vents by about half in the cooler rooms
  5. This will force more cool air into the warmer rooms.
  6. Keep adjusting the vents until all the rooms have the same temp.

If your living space is on more than one level:

  1. Turn on the air conditioning.
  2. Switch the furnace fan from auto to on.
  3. On the lowest level of the house close half of the vents that are the closest to the stairs.
  4. This will force more cool air to the top floor where it is usually hotter.
  5. Cool air will sink from the upper floors which will keep the area near the stairs cool.
  6. Measure the temperature in all the rooms.
  7. Keep adjusting the vents until you have a nice even temperature throughout the house.
I found that leaving the furnace fan on all the time will keep your home evenly cool and comfortable. You may have to replace your furnace filter once a month due to the increased air flow. It will be well worth it in a cooler, more comfortable, and more energy efficient home.

Take Care,


on Aug 09, 2010 | Air Conditioners

1 Answer

What happen when your hvac blows cold air and the heat is set at 73

Sounds like you have a thermostat problem. If your thermostat is not triggering the furnace to ON/HEAT you will not the heat you desire. IF you know how to trigger the furnace you could jump your furnace controller wires BUT DON'T do this. Instead, get another thermostat and try it. But be sure to get the same rated thermostat... take it with you when looking for a replacement.
Not sure about everything going on with your unit based upon what you provided but your thermostat should show the current temp and the temp you set. It also show the mode that the thermostat is in (HEAT / COOL / AUTO) Manually select heat, then increase temp above the current temp setting. listen for furnace to activate or wait a few minutes for warm air output. If not, you'll have to see assistance trom a local heating and cooling company.

Mar 09, 2011 | Goodman Air Conditioners

1 Answer

My heater blows cold air why? I have a REAB 1010s need manual

Check your thermostat to see what your fan switch is set on. There should be two settings - auto and on. If it is set on auto, the fan only comes on when furnace runs. If the switch is set on on, the fan on your furnace is running all the time. Which means when temperature in the house reach what you have set on your thermostat, the furnace kicks off, but the fan keeps running and blows cool air. Some people run their fan all the time, especially if they have allergies, because that's a good way to clean the air.

Jan 02, 2011 | Air Conditioners

1 Answer

I have a rheem hvac unit that is not cooling the air that is blowing into my house. The air feels like it is the same temperature as the air outside.

the compressor isnt running you would need to check capacitor maybe not enuff freon how does your filter look

Sep 11, 2010 | Air Conditioners

1 Answer

Outside Unit blowing air but not cooling and slight buzzing sound

The compressor is not coming on and some part of that unit has failed. Do you hear any clicking sounds along with the buzzing sound? Recommend that you shut the unit down (remove power from it) until a service tech can listen to it try to start up.

The power company-installed load management system is probably a red hearing. That system will either fully turn off the unit or allow it to turn on/start up.

May 08, 2009 | Air Conditioners

1 Answer

Fan comes on but unit does not heat or cool the air

You,ll need to open the furnace and observe the led lights on the comtrol board the is a chart attaced to cover. If it is in lock out mode the fan runs. To reset turn off at tstat.the turn the power on at the furnace, set tsat up, observe furnace. First you should hear a small fan then the glow of the ignitor then the opening of the gas valve and flames 10-30 seconds then the big fan.

Mar 27, 2009 | Ruud Central System Air Conditioner

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Hvac system

Sounds like you have frozen up. Turn your system from cool to off and your fan from auto to on. Let it run for an hour or so. If blowing seems to be normal again, you may have a duct problem, dirty coil problem, or a low on refrigerant problem.

Oct 17, 2007 | Intertherm P3RA-048K Air Conditioner

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