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.
Room size for split ac.
This can provide a rough estimate of the mini split btu per square foot you need to efficiently service the room.
Mini splits are extremely efficient thanks to their inverter technology that enables your system to generate only the amount of heating or cooling needed to maintain the desired temperature.
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.
If you re looking to upgrade your home s comfort then getting the right sized mini split system is the most important step.
It is important that when talking about a single room or split system air conditioners every situation is different.
For air conditioners there is a btu to room sizing rule of thumb.
500 square feet 12 000 btu.
This air conditioner calculator can only provide you the recommended output power of the ac in british thermal units per hour btu.
1000 square feet 24 000 btu.
Unlike central air conditioners which are sized to cool an entire home ductless acs are sized to cool only one room area.
You see a professional needs to perform a load calculation to determine mini split ac size.
350 square feet 9 000 btu.
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.
Even so you ll want to ensure the system is properly sized for your home.
Single room air conditioner size calculator chart.
If there are more rooms such as closets simply do the same and add them to the total.
750 square feet 18 000 btu.
One major advantage of mini splits over portable air conditioners with the same btu rating is that they can cool a larger area.
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.
For example a room that is 20 feet long by 20 feet wide would be 20 x 20 400 square feet.
Btu sizing chart for mini split hvac units.
A 3 5 kw air conditioner will cool a room size from 21 m 2 to 35 m 2 efficiently.
Ductless splits cool a larger area at the same btu level than do window air conditioners and portable air conditioners.
To get the square feet of a room measure the length by the width and multiply the two together.
1250 square feet 30 000 btu.