how to size air conditioner for room

How To Size Air Conditioner For Room?

As a rule of thumb, an air conditioner needs 20 Btu for each square foot of living space. But other considerations, such as the ceiling height and the size of your windows and doorways, might call for more cooling power. To measure your room, multiply the length by the width.May 30, 2021

How do I calculate what size air conditioner I need?

To calculate the size of the air conditioner you need for a room, first, multiply the length of the room with its width. Then multiply it with 25 BTU to get the ample cooling for the room under different weather conditions. For example, if the room is 15 feet long and 12 feet wide, it comes to 180 square feet.

What size air conditioner 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.

How big of a room will 12000 BTU air conditioner cool?

Budget air conditioners range from 5,000 BTU, which can handle about 150 square feet, to 12,000 BTU, enough to cover about 550 square feet.

What size room will a 3.5 KW air conditioner cool?

For a room 20m2 to 30m2, a 3.5kW unit should cool the room; For a room 30m2 to 45m2, a 5-6kW unit should cool the room; and. For a room 45m2 to 65m2, a 7-8kW unit should cool the room.

What size AC do I need for 1200 sq ft?

STEP 1: Determine how many BTUs of heating and tons of AC you need
House Square Footage BTUs Needed
500 – 700 14,000
700 – 1,000 18,000
1,000 – 1,200 21,000
1,200 – 1,400 23,000

How many sq ft will a 2.5 ton AC cool?

ZONE 1 ZONE 2
1.5 Tons 600 – 900 sf 600 – 950 sf
2 Tons 901 – 1200 sf 951 – 1250 sf
2.5 Tons 1201 – 1500 sf 1251 – 1550 sf
3 Tons 1501 – 1800 sf 1501 – 1850 sf

How many square feet is a 15×15 room?

225 square feet
The square footage of a room 15 feet wide and 15 feet long is 225 square feet. The square footage is calculated by multiplying the width (15 ft) by the length (15 ft).

What is the room size for 1.5 ton AC?

Room size and power consumption

For instance, a 1-ton window AC or a 1.5 ton split AC is an ideal choice for rooms measuring up to 150-160 sq ft.

What size air conditioner do I need for a 120 square foot room?

By looking at our chart you would need an air conditioner with 5,000 BTU’s to cool this room of 120 sq. ft.

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What size room will 15000 Btu cool?

about 875 sq. ft.
Air conditioners rated at 15,000 Btu should be enough to cool most rooms up to about 875 sq. ft.

How many BTU do I need for a 20×20 room?

Rule of thumb. A 1 ton (12,000 BTUH) unit is doable in the space you want to cool. To handle the hot, humid summer heat of your area, I would increase it to 15,000 – 16,000 BTUH.

What size room will a 10000 BTU air conditioner cool?

300 sq. ft.
10,000 BTUs will cover 300 sq. ft. (2,400 cubic feet)

How much power does a 3.5 kW air conditioner use?

$40.11 per year to run or 47.75 cents a day or 11.9c per hour. 2. A 3.5 kW system running for 8 hours a day for 12 weeks (84 days) of the year at 24 degrees will cost appox. $134.16 a year or $1.59 per day to run.

What size air conditioner Do I need UK?

As a general rule we advise you to buy an Air Conditioner with a minimum 7000BTUs as this is the minimum required to call a small room (18sq/m) on a hot day. Medium rooms (24sq/m) need around 10,000BTUs and larger rooms and office spaces (36sq/m) require around 15000BTUs.

How much HP is needed for a room?

TIP 1: Match your aircon horsepower (HP) to the size of your room
Room Size Aircon Horsepower (HP)
12 to 17 sq. m 0.75 HP
18 to 22 sq. m 1.0 HP
23 to 27 sq. m 1.5 HP
28 to 40 sq. m 2.0 HP

How many sq ft will a 2 ton AC cool?

901-1200 square feet
Units that are 2 tons can cool off 901-1200 square feet spaces. Units that are 2.5 tons can cool off 1201-1500 square feet, etc. This pattern continues up to units of 5 tons that cool off 2401-3000 square feet, with every half ton increase adding about an additional 300 square feet.

What size AC unit do I need for a 1300 sq ft house?

When looking for the quick answer to how much air-conditioning power you’ll need to adequately cool a 1,300-square-foot space, the answer is 23,000 BTUs per hour of air conditioning power. This is the base capacity needed for a 1,200- to 1,400-square-foot house.

How many sq ft does a 3 ton AC cover?

Air Conditioning Square Footage Range by Climate Zone
ZONE 1 ZONE 3
3 Tons 1501 – 1800 sf 1601 – 1900 sf
3.5 Tons 1801 – 2100 sf 1901 – 2200 sf
4 Tons 2101 – 2400 sf 2201 – 2600 sf
5 Tons 2401 – 3000 sf 2601 – 3200 sf

Is a 2 ton AC big enough?

Pro Tip: as a rule of thumb, the maximum AC unit size you need to install should not be more than 15% more than the BTU’s you need to cool your house. This means that if your house requires a 24,000 BTU unit (2 tons), you should not install one that is larger than 30,000 BTU’s (3 tons) to maintain energy efficiency.

How big of an AC unit do I need for a 2000 sq ft house?

Step 5: Match your square footage to an HVAC size chart
Home Sq Footage Air Conditioner Size (tons)
600 – 1,000 square feet 1.5 tons
1,000 – 1,500 square feet 2 tons
1,500 – 2,000 square feet 3 tons
2,000 – 2,500 square feet 4 tons
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How much AC do I need for 400 square feet?

Assuming one ton of cooling capacity can cool 400 square feet of your home, you’ll need about 5.0 tons of air conditioning capacity. Multiply this by 12,000 BTUs, and you’ll get 60,000 BTUs. Your air conditioner will need to be able to remove this much heat from your home per hour to keep a stable temperature.

How many feet is a 10×12 room?

120 square feet
Area of the floor or ceiling: Multiply the length by the width (10 feet x 12 feet = 120 square feet of area). Area of a wall: Multiply the width of the wall by its height. So one of the walls is 80 square feet (10 feet wide x 8 feet high) and the other is 96 square feet (12 feet x 8 feet).

How many bags of cement do I need for 12×12?

To determine how many bags of concrete you will need, divide the total cubic yards needed by the yields, at 4 inch thick, for a 12×12 slab you will need 1.76 yards of concrete, so number of 80lb bag of concrete = 1.76 ÷ 0.022 = 80 bags, No. of 60lb bag = 1.76 ÷ 0.017 = 104 bags & No.

How many 12×12 tiles do I need for 100 square feet?

For a 100 square foot tile project, you will need to install a total of 100 12×12 tiles.

How many square feet will 1.5 ton cool?

900 square feet
A 1.5 ton AC unit covers 900 square feet of living space. Example 2: How many square feet does a 3-ton air conditioner cool?

Tonnage Table.
Area (Square Feet): BTU Tonnage
600 sq ft 12,000 BTU 1 Ton
900 sq ft 18,000 BTU 1.5 Tons
1,200 sq ft 24,000 BTU 2 Tons
1,500 sq ft 30,000 BTU 2.5 Tons

How do I know if my AC is 1.5 ton?

Simply divide the BTUs by 12,000 to calculate the tonnage of your unit. For example, if your air conditioner is 36,000 BTUs, you have a 3-ton unit.

If you find one of those numbers, chances are good it’s the unit’s BTUs:
  1. 018 = 18,000 BTUs = 1.5 tons.
  2. 024 = 24,000 BTUs = 2 tons.
  3. 030 = 30,000 BTUs = 2.5 tons.

What is the difference between 1 ton and 1.5 ton AC?

A 1.5 ton AC is bit expensive, consumes more electricity, but has faster cooling time and can cover larger room areas (around 140-180 square feet). On the other hand, a 1 ton AC is cheaper, has lower power consumption, and is suitable for a room-sized up to 140 square feet.

Which AC is best for 200 sq ft room?

For a room of less than 200 square feet, one should use a 1.5 ton air conditioner. A 2 ton air conditioner is enough to cool a room that is between 200 and 260 square feet.

Is 12000 Btu too much?

The most common window air conditioning units come in cooling capacities ranging from 5,000 to 12,000 Btu. A 12,000 Btu air conditioner can cool between 450 and 550 square feet of floor space. A 12,000 Btu unit could cool a room 25 feet long by 20 feet wide that has 500 square feet of floor area.

Is 8000 BTU enough for a bedroom?

Recommended BTU By Room Size

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If you are looking for an air conditioner for a room measuring say 10′ x 15′ (150 square feet), the recommended BTU range is up to 5400. … Once you get into 340 and 400 square feet per room, you’d need an 8,000 or 9,000 BTU air conditioner, respectively.

How many square feet will a 7000 BTU air conditioner cool?

BTU Chart Based on Room Size
150 sq. ft. 5,000 BTU’s 700 sq. ft.
250 sq. ft. 6,000 BTU’s 1,000 sq. ft.
300 sq. ft. 7,000 BTU’s 1,200 sq. ft.
350 sq. ft. 8,000 BTU’s 1,400 sq. ft.

What size room will a 5000 BTU air conditioner cool?

100 to 150 sq ft
“5000 BTU air conditioner can cool a 100 to 150 sq ft room.” Energy Star guidelines for 5000 BTU AC room sizing also recommends that you: Increase capacity for a room with high sun exposure; +10% cooling output. That would reduce the 5000 BTU AC room size to 90-135 sq ft.

What size air conditioner do I need for a 2400 square foot home?

60,000 BTUs
The answer to the question, “what size AC unit for 2400 square feet?”, would be, is 60,000 BTUs or 5 Tons. It’s possible to fall between unit sizes, so if that’s the case with you, then you should choose the next higher size. That way, you can be sure that the AC unit can still cool a given area sufficiently.

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