If you re looking to upgrade your home s comfort then getting the right sized mini split system is the most important step.
Room size for split ac.
A 3 5 kw air conditioner will cool a room size from 21 m 2 to 35 m 2 efficiently.
Unlike central air conditioners which are sized to cool an entire home ductless acs are sized to cool only one room area.
To get the square feet of a room measure the length by the width and multiply the two together.
For air conditioners there is a btu to room sizing rule of thumb.
1250 square feet 30 000 btu.
For example a room that is 20 feet long by 20 feet wide would be 20 x 20 400 square feet.
1500 square feet 36 000 btu.
Btu sizing chart for mini split hvac units.
Single room air conditioner size calculator chart.
This can provide a rough estimate of the mini split btu per square foot you need to efficiently service the room.
Ductless splits cool a larger area at the same btu level than do window air conditioners and portable air conditioners.
This air conditioner calculator can only provide you the recommended output power of the ac in british thermal units per hour btu.
One major advantage of mini splits over portable air conditioners with the same btu rating is that they can cool a larger area.
It is important that when talking about a single room or split system air conditioners every situation is different.
350 square feet 9 000 btu.
750 square feet 18 000 btu.
Even so you ll want to ensure the system is properly sized for your home.
1000 square feet 24 000 btu.
500 square feet 12 000 btu.
Nevertheless this is a good guide size for a split air conditioner.
You see a professional needs to perform a load calculation to determine mini split ac size.
But here s the deal.
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.
This air conditioner room size calculator also known as an ac btu calculator will help you decide what size of air conditioner to buy so you can be efficiently cool or heat your room of course the choice of brand and air conditioner type still depends on you.
Below is an approximate sizing guide.
Without a technician looking at the room you want to cool it s impossible to to know exactly what size ductless mini split system you need.