How to Make Portable Air Conditioners Efficient

Written By
Roz Zurko
Roz Zurko
Published: Nov 11, 2009
Updated: Nov 20, 2021
2 minute read

Follow a few steps such as correct placement of the unit, cleaning, proper installation of a vent, along with environment control and your unit will run efficiently.

  1. Make your air conditioning unit work efficiently with correct placement. Portable units have the cooling capacity to do small areas. The efficiency of their cooling capabilities are tasked if used to cool too big of an area. Put the unit in an area no bigger than the suggested square footage for the BTU’s stated in the manufacturer's directions.

  2. Shut off all outside air sources such as doors and windows. The air conditioning unit takes the humidity out of the air which in turn allows the air to cool efficiently. Keep the area the unit is in free from any source of humidity to maintain the cool air.

  3. Place the unit at table top level to bring the cool air higher up in the room, which increases the cooling efficiency. Cool air sinks to ground level leaving the upper part of the room warmer. If the unit needs to stay on the floor, use a small fan to direct the cool air up towards the ceiling.

  4. Clean the unit’s air filter, which works as your unit's biggest factor towards efficiency. The filter is found in front of the air intake vents. Remove the cover and slide the filter out of its housing Run the filter under warm water in the sink to flush away the dust and particles that it has collected. Let it air dry completely and then put it back in the air conditioner. Do this at least once a month, more if you have a pet that sheds.

  5. Vent your air conditioner correctly to make your unit run more efficient. The unit needs to expel the hot air it has taken in from the room. With out the proper venting, the hot air stays in the room and the unit is useless for cooling. Vent the exhaust hose out the window and make sure the opening of the hose is not obstructed by bushes or vegetation. Check the hose for any crimps or bends, which will stop the air flow. Check the hose periodically for these complications to keep your portable air conditioning unit running efficiently.

Things You Will Need

  • Correct size area for the BTU's of the Unit
  • Area closed off to outside air
  • Small electric tilting fan
  • Sink with running water
  • Window for venting exhaust hose
Roz Zurko

Roz Zurko is a full time freelance writer who lives in Westfield, Massachusetts. She has been writing for 22 years and is published on several internet literary sites and in The Westfield Evening News. She holds a Bachelor of Arts in…

Sponsored
HomeSteady Logo

HomeSteady is the ultimate guide for all your household needs, from cleaning and HVAC to electrical, DIY and maintenance.

Property of TechnologyAdvice. © 2026 TechnologyAdvice. All Rights Reserved

Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.