In general a room by room load calculation is the best way to get an accurate idea of what size central air conditioner is best for your house but each method is useful for different things.
Living room air conditioner size.
This will give you a general idea of what sized unit you need.
Air conditioners are rated in btu s and the btu rating determines the cooling capacity in the square footage of the living area to be cooled.
My living room is roughly 330 square feet which the chart tells me means i need an ac unit with a capacity of 8 000 btus per hour which was way less than i expected.
My air conditioner was for my living room so i measured the room with a handy tape measure.
If you are looking for a ducted air conditioner size guide you need to work out how many rooms you will have on at the same time.
A 3 5 kw air conditioner will cool a room size from 21 m 2 to 35 m 2 efficiently.
You need to take into account the size of the room the number and size of windows the height of the ceilings and the climate.
Obviously a smaller area room or house with shorter lengths and widths require fewer btus to cool heat.
A key feature of this portable air conditioner a key feature of this portable air conditioner is its compact size and dual hose system which facilitates better space utilization and more efficient cooling.
For rooms with excessive sunlight select room air conditioners with 10 percent more btus than what is required by the size of the room.
As for air conditioning in homes even though acs are meant to cool homes btus on the technical label refer to how much heat the air conditioner can remove from their respective surrounding air.
For rooms that regularly contain more than two people add an additional 600 btus per person.
It s not the most exact measurement in the world but it s close enough.
Then work out the size of those rooms and add them together.
If placing a unit in the kitchen select a unit with an additional 4 000 btus than what is required by the room size.
Air conditioning capacity requirements per room size room size example approx.
The whynter arc 122ds portable air conditioner is the ideal solution for the warm spots in your home office server room and other space constrained areas.
For a living room or family room you ll want a large air conditioner with 9 800 to 12 500 btu especially if you have an open floor plan.
When to use a house load and when to use a room by room load calculation.
Air conditioners cool your home and sizing the air conditioner to the room size is essential for proper efficiency and cooling capacity.
Size and ceiling height.
Here are three good choices.