Calculate the Right-Sized Air Conditioner For Your Needs


Article by: Ward Rg

Calculating your air , Calculate the Right-Sized Conditioner For Your Needs conditioning requirements

Heat Load

The amount of heat , Wow! Outdoor Tile Murals ~ Any Image, Any Size generated is known as the heat , The Air Mattress of the Future is Here! gain or heat , Tips For Buying A Water er load. Heat , Colour Your World With Art is measured in either British Thermal Units (BTU) or Kilowatts (KW). 1KW is equivalent to 3412BTUs.

The heat , Easy To Follow Tips For Keeping Energy Costs Down load depends on a number of factors, by taking into account those that apply in your circumstances and adding them together a reasonably accurate measure of the total heat , Mold Test Kit – How It Can Help You get Rid of Your Mold can be calculated.

Factors include:

The floor , Solar Energy Advantages Disadvantages area of the room

The size and position of windows, , A 'How To' Guide to Home Energy Savings and whether they have blinds or shades

The number of room , Adjustable bed manufacturer - choosing the right one for you occupants (if any)

The heat , Tips on Choosing Wide Plank Flooring generated by equipment

The heat , Things To Consider When Buying A Dishwasher generated by lighting

Floor Area of Room

The amount of cooling required depends on the area of the room. , The Air Mattress of the Future is Here! To calculate the area in square metres:

Room Area BTU = Length (m) x Width (m) x 337

Window Size and Position

If, your room , Having Natural Stone Installed In Your Property – The Pitfalls has no windows, , How To Find The Best Caterer For Your Party you can ignore this part of the calculation. If, however there are windows , Is a Solar House in Your Future? you need to take the size and orientation into account.

South Window , Tips For Buying A Water Heater BTU = South Facing window , Wow! Outdoor Tile Murals ~ Any Image, Any Size Length (m) x Width (m) x 870

North Window , Calculate the Right-Sized Air Conditioner For Your Needs BTU = North Facing windows , Solve Small-Space Kitchen Problems with S-O-S Design-Function Techniques Length (m) x Width (m) x 165

If there are no blinds on the windows , Canvas Awnings – How To Care For Them And Keep Them Good As New multiply the result(s) by 1.5.

Add together all the BTUs for the windows. , Adjustable bed manufacturer - choosing the right one for you

Windows BTU = South Window(s) BTU + North Window(s) BTU


You will have to take that into account people who normally working in the space. The heat , Kicking Up Storage For The Home And Office Into Overdrive output is around 400 BTU per person.

Total Occupant BTU = Number of occupants x 400


Clearly most heat , The Many Types Of Vacuum Cleaners in a room , Pellet-stove Part. II is generated by the equipment. This is trickier to calculate that you might think. The wattage on equipment is the maximum power , Asbestos Ceiling Tiles – Potential Hazards And Precautions consumption rating, the actual power , Drip drip drip…that darn leaky faucet! consumed may be less. However it is probably safer to overestimate the wattage than underestimate it.

Equipment BTU = Total wattage for all equipment x 3.5


Take the total wattage of the lighting and multiply by 4.25.

Lighting BTU = Total wattage for all lighting x 4.25

Total Cooling Required

Add all the BTUs together.

Total Heat , Kicking Up Storage For The Home And Office Into Overdrive Load = Room , Choosing The Right Garage Door Area BTU + Windows , Plastic Laminate Countertops Explained BTU + Total Occupant BTU + Equipment BTU + Lighting BTU

This is the amount of cooling required so you need one or more air , The Mattress of the Future is Here! conditioning units to handle that amount of heat. , Outdoor Fireplaces and the Best Ways to FInd them

Disclaimer: These calculations are intended as rough guide only. Complete accuracy cannot be guaranteed
Ward Rg

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