Home Guides Home Home Improvement DIY How Close Should Walls or Fences Be to HVAC Units? Email Reddit Proper clearance around central air conditioners is important for efficient operation. The outdoor component of a central air-conditioner unit is usually located at the rear of the house or to one side. This cabinet includes the compressor, the condenser coil and the condenser coil fan. When the A/C is running, the outdoor unit disperses heat from inside the house into the outside air. Air Flow Is Important The performance of the air conditioner depends upon efficient outdoor heat dispersal, which relies upon adequate air circulation into and out of the condenser coil. The blower fan intakes fresh air horizontally through grilles on the sides of the cabinet, channels the air through the condenser coil passages and exhausts the air -- along with heat extracted from the home -- vertically from the unit's top. Nearby walls, fences or vegetation may interfere with the free flow of air into the unit.

Decks or other overhanging structures above the unit may hinder the dispersal of exhausted air. These can degrade the air conditioner’s performance and efficiency and even affect its service life. Allow 1 to 3 feet of open horizontal space next to intake grilles of the outdoor unit to allow optimum air intake. To avoid excessive heat buildup inside the condenser coil and ensure proper heat dispersal, leave 4 to 6 feet of vertical clearance above the unit. References Inspectapedia: Air Conditioner Compressor Installation Errors Photo Credits Comstock/Comstock/Getty Images Suggest a Correction How to Get Plunger Marks Off a Toilet Getting plunger marks off a toilet will require you to ... How to Unclog a Toilet With Boiling Water Unclogging a toilet with boiling water is a relatively ... Instructions for Flipping Houses Flipping houses means buying a house and selling it ... How to Run PEX Tubing to a Toilet Running PEX tubing to a toilet is a great way to ...Self Contained Package Units Selection & Pricing

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