How many square feet does a mini split cool?

A professional will measure the length by the width and multiply them. For example, if the room is 30 feet long by 40 feet wide, then it would be 30 x 40 = 1,200 square feet.

Ductless BTU Sizing Chart.
Area Size BTU
400 to 650 sq. ft. 12,000
500 to 800 sq. ft. 15,000
600 to 1000 sq. ft. 18,000
800 to 1,300 sq. ft. 24,000

How many square feet will a 12000 BTU Mini Split cool?

BTU Sizing Chart for Mini Split Systems
Area To Be Cooled Capacity Needed (BTUs Per Hour)
400 to 450 square feet 10,000 BTUs
450 to 550 square feet 12,000 BTUs
550 to 700 square feet 14,000 BTUs
700 to 1,000 square feet 18,000 BTUs

How many rooms can a mini split cool?

Both can be used to cool a single room without ductwork. But a mini-split can add more evaporator units (up to 4) to one condenser unit. So technically it can cool up to 4 rooms. Mini-splits are also much more energy efficient than window units and last longer, too.

How many sq ft will a 2 ton mini split cool?

Dual Zone Mini Split ACs: About 2 Tons or 24,000 BTU. Estimated square footage: 1,200 sq ft.

How do I know what size mini split I need?

To get a general estimate of ductless sizing, follow these 3 steps… Calculate the square footage of the room by multiplying its length by its width. Multiply the area by 25. This answer is the approximate British Thermal Unit (BTU) output you need for that room, which is how ductless heat pumps are sized.

How much does it cost to run a 12000 BTU Mini Split?

Mini Split AC Cost to Run
Mini Split AC Unit (BTU) Wattage Cost Per Hour
12,000 BTU Mini Split AC 3,516 W Costs $0.46 per hour
14,000 BTU Mini Split AC 4,102 W Costs $0.53 per hour
18,000 BTU Mini Split AC 5,725 W Costs $0.74 per hour
21,000 BTU Mini Split AC 6,154 W Costs $0.80 per hour

Do mini splits use a lot of electricity?

Let’s get the answer to this question out of the way early on: Yes! A mini-split system is energy efficient, among many other things. In fact, the United States Department of Energy says that a mini-split with a zoning system can save you as much as 30 percent on your energy bill.

Do you need a mini split for every room?

Do I Need a Ductless Unit in Every Room of the House? No. While you won’t need a single indoor unit for every room in the home, the outdoor unit does attach to multiple indoor wall-mounted units. … Many homeowners use ductless mini-split systems to zone their homes.

Can one mini split cool an entire house?

Even though it takes a powerful system – especially in a large home – a ductless mini split is up to the task. With the right size system in place, it’s capable of cooling an entire house, from the basement all the way up to the attic.

How long do mini splits last?

Ductless mini-splits – Like heat pumps, ductless mini-splits can provide both heating and cooling, with a typical life span of 10 to 30 years, except in coastal areas.

What happens if you oversize a mini split?

Another issue with a mini-split system that is oversized is short cycling. This is an issue wherein the unit turns on and turns off repeatedly within short periods. The problem is that it leads to premature wear and tear. When this happens, the system will malfunction and fail.

Which AC is suitable for 12×12 room?

According to Energy Star, a 12×12′ or 144 sqft room requires 5,000 BTU of cooling capacity when occupied by two persons. If the room is heavily shaded, it only requires 4,500 BTU. If the room is very sunny, it requires 5,500 BTU. For each additional person, you need to add 600 BTU.

How big of a mini split do I need for 1000 square feet?

An expert technician may conduct the following steps to get a general estimate of the right mini-split sizing. Determine the square foot of the rooms.

Ductless BTU Sizing Chart.
Area Size BTU
600 to 1000 sq. ft. 18,000
800 to 1,300 sq. ft. 24,000
1,000 to 1,650 sq. ft. 30,000
1,200 to 2,000 sq. ft. 36,000

Can I install a mini split myself?

It is possible to install the air handler and condenser unit on your own and bring in a professional to complete the refrigerant line setup. DIY mini splits come with the refrigerant line already charged and do not require a professional to charge them.


How many BTU do I need for a 12×12 room?

If you want to properly cool down a 300 square foot area (or room), you need a 6,000 BTU air conditioner. Obviously, the problem arises when you have a tiny 12×12 room, for example. According to the US Department of Energy directive, an air conditioner’s most appropriate size would be 2,880 BTU unit.

Do mini splits dehumidify?

Mini-split systems are capable of drying some of the added moisture during warmer months. Unfortunately, they are not designed to dehumidify in cold weather and will not pull moisture in the winter months. Dehumidification should run independently of cooling systems to ensure proper moisture removal.