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Secure an Air Conditioning Unit and Estimate Central Air Conditioner Size

An air conditioner can be great for cooling you off during those long, hot summer days. However, before you can enjoy your new air conditioning unit, you need to ensure its properly installed, and the most important part of the installation process is making sure the unit is completely secure. Check to make sure the window and window frame where you plan to install the air conditioning unit are sturdy.

How to Secure an Air Conditioning Unit

In order to ensure your unit is secure, you need to be sure the window you put it in is in good enough condition to sustain the weight of the air conditioner. If you have doubts, have the window and window frame inspected by a professional. Read the manufacturers instructions carefully before attempting to install the air conditioning unit.

Make sure you follow the directions exactly. If you have any questions, contact the manufacturer or another professional before continuing. Add support underneath the air conditioner after its installed by placing a shelf or wooden board under it.

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You can also fasten the air conditioner to the window frame with metal brackets or mounting rails. Supporting it in both ways will ensure that its completely secure. Make sure the metal brackets or mounting rails you use are strong enough to support the weight of the air conditioning unit.

You can find this type of information on the package or by contacting the manufacturer. Follow the packages instructions for installing the metal brackets or mounting rails. This typically involves securing the brackets or rails to the unit and to the wall using the provided screws and a screwdriver or drill.

Check over your work. Make sure the air conditioning unit is secure inside the window frame and that the window cannot be opened accidentally. Test the security of the unit by pulling it gently.

If it doesnt move, pull it a little harder until youre satisfied that its secure.

How to Estimate Central Air Conditioner Size

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Measure the length and width of each room that will be or is connected to the AC unit. Multiply the length times the width to determine the square footage for the room. Measure each room and hallway separately.

Do not include enclosed spaces or rooms that are sealed off from the AC unit. Convert the square footage of each room to BTUs. Rooms that measure 100 to 150 square feet most bedrooms are 5,000 BTUs.

Rooms from 150 to 250 square feet are 6,000 BTUs, and rooms from 250 to 350 square feet need 7,000 BTUs. Add 4,000 BTUs to the kitchen, and 1,000 BTUs to bathrooms. Add the BTUs for each room together to determine the whole houses BTU needs.

Convert the total BTUs to tons, which is the standard measurement of AC units. Total BTUs of 18,000 equal 1. 5 ton, 24,000 BTUs is 2 tons, 30,000 BTUs equal 2.

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5 tons, 36,000 BTUs are 3 tons, 42,000 BTUs are 3. 5 tons, 48,000 BTUs equal 4 tons and 60,000 BTUs are 5 tons. The ton size is the size of AC unit needed to adequately cool the room or rooms.

Air conditioning AC units are sized based upon tons of heat removed. The tons are calculated by converting BTUs, which are determined by measuring the square footage of a room. Estimating the size of an AC unit necessary to cool a specific room or set of rooms can be accomplished in one of two methods; take the model number of an existing unit, which houses a code for the size of the unit, to a dealer, or calculate the square footage of the room or rooms and convert it to the proper size.

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