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Boost your air conditioner’s cooling power by blocking “heat leaks”

A basic “5,000 BTU” air conditioner can pump about 1,500 Watts of heat out of a room every hour.  To get more bang for your A/C buck, find the big ‘heat leaks’ in your room — and block them.

Your air conditioner is a pump, and what it pumps is an invisible liquid called ‘heat’.  (OK, not really, but this is a useful way to think about it.)  Your A/C unit scoops up the ‘heat liquid’ from inside the room, pumps it out through the window, and dumps it outside.  As the ‘heat liquid’ is slowly drained out of your room, the room gets cooler, you get happier, and civilized indoor life can continue.

To boost the cooling power of your A/C unit, find out what’s letting heat leak into your room, and you block the leaks.  If your room is constantly filling up with ‘heat liquid’, the pump (A/C) spends a lot more energy just keeping up with the leaks, and less energy dropping the temperature for you.  Luckily, there are (at least!) three easy things you can do:

  1. Block the daytime sunlight.  Sun flooding in through the windows also brings a flood of heat into the room.  Close the blinds, pull the drapes.  Congratulations, you’ve just closed a big, gaping hole that was pouring heat in to the room.
  2. Turn off every light you can — and replace others with LED or CFL bulbs.  If you’re running three 60-Watt lightbulbs in the same room as a basic 5,000 BTU window A/C unit, you’re using 12% of your A/C’s cooling power just to pump out the heat that the lightbulbs are bringing in! Turn off the ones you don’t need, and replace the others with modern high-efficiency LED or CFL bulbs.  Good job: you’ve just blocked another source of heat sneaking in.
  3. Unplug those electronic gizmos — or at least move the chargers to another room. Nearly everything plugged into a wall socket is leaking heat into your room.  Put your hand on each ‘wall wart’ transformer, and if any of them feel warm, you’ve found another leak through which heat is sneaking into your room!  When you unplug the gizmo, you plug another heat leak.

It’s common to find 20% or more of an A/C unit’s cooling power being used up needlessly, pumping out heat that you can easily block before it gets in.  Block that heat before it gets in, and presto: 20% boost in A/C cooling power.

 

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4 Comments on “Boost your air conditioner’s cooling power by blocking “heat leaks””

  1. dana says:

    These are great tips. My air is not really running right and to not have air conditioning in Warner Robins GA during the summer is killing me and my family. I was also told to check the air filter and the coils. I will be using these tips as soon as its running right. Thanks for sharing.

  2. After I originally commented I seem to have clicked the -Notify me when new
    comments are added- checkbox and now whenever a comment
    is added I get 4 emails with the same comment. Perhaps there is a means you
    are able to remove me from that service? Thank you!

  3. I agree with you. Heat leaks can reduce the cooling effect of air cooling systems. Ensure that there are no heat leaks in the room.

  4. The conditioner relies on the thermostat on how
    cool the atmosphere it produces should be. Large organizations and buildings benefit more by using HVAC dampers, as these are
    efficient in cutting off the energy costs, which is the important factor affecting
    the company’s resources. For peak performance from the systems, this is crucial.


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