What Size Window Air Conditioner Do I Need

What size air conditioner do i need.

Choosing the right sized air conditioner can be as easy as using a tape measure and a little mathematics. Btus stand for british thermal units and refer to the amount of energy your air conditioner is using per hour. Multiply the two together to get 150 square foot room. Then multiply those two numbers together.

Triangular rooms measure the width and length of the room in feet. While this article gave us a short overview of what to look for when purchasing an air conditioner i would like to refer anyone who is truly serious in purchasing a new window unit to visit our in depth article on exactly what to look for what room sizes fit what btus what outlets to use and anything and everything else having to do with purchasing a new window unit. Your floor area is your width x length of the room to be cooled. Insulating your roof has a big impact on required air conditioner capacity.

Residential air conditioners usually range from 1 5 to 5 tons or 18 000 60 000 btuh. As a rule of thumb an air conditioner needs 20 btu for each square foot of. Bedrooms tend to be small usually no more than 100 to 200 square feet. Anything with larger cooling capacity would be considered light commercial.

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Generally in australia you will need 120 to 150 watt of power per square meter of floor area. 30 square metre room with no roof insulation. This depends on the room s area the average number of people regularly in the room and the orientation of the room with respect to the sun. This air conditioner room size calculator will help you determine the recommended output power your air conditioning unit needs to do everything perfectly.

Tonnage ratings are typically expressed in increments of 5 tons so residential air conditioners are usually rated as 1 5 2 2 5 3 3 5 4 4 5 or 5 ton units. 30 square metre room with roof insulation. 3 4kw if you don t have roof insulation consider installing it it ll save you money on running costs and you can get away with a smaller air conditioner. Let s say it is a 10 foot by 15 foot room.

The size of the air conditioner to be installed in your room depends on the size of the room that needs cooling. This is done by calculating your square footage. Square rectangular rooms measure the width and length of the room in feet. Window air conditioners typically have a cooling capacity ranging from 5 000 to 12 500 british thermal units btu hr.

20 feet x 22 feet 440 sq. Simply measure the length and width of a room and figure the square footage. At the same time people sleeping in the room need a reliable cooling system for better sleep. For small or medium size bedrooms use a window unit a c in the 5 000 6 000 or 7 500 btu category.