# How many square feet will an 18000 BTU air conditioner cool?

## How many square feet will an 18000 BTU air conditioner cool?

700 to 1,000 square feet

BTU Sizing Chart for Mini Split Systems

Area To Be Cooled | Capacity Needed (BTUs Per Hour) |
---|---|

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 |

1,000 to 1,200 square feet | 21,000 BTUs |

## How many rooms will a 18000 BTU air conditioner cool?

Air Conditioner BTU Chart; With 12,000 BTU (1 Ton) Room Size Example

Cooling Capacity (BTU): | Room/Area Size: |
---|---|

14,000 BTU air conditioner room size: | 600-700 sq ft |

16,000 BTU air conditioner room size: | 700-800 sq ft |

18,000 BTU air conditioner room size: | 800-900 sq ft |

20,000 BTU air conditioner room size: | 900-1,000 sq ft |

**How much electricity does a 18000 BTU air conditioner use per hour?**

5275.28 watt per hour is the 18,000 BTU’s/hr.

**How many amps does a 18000 BTU air conditioner pull?**

An 18,000 BTU air conditioner is capable of drawing about 8 Amps of power.

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

As a general rule, a 20×20 feet or 400 square feet room should use a 12,000 BTU or 1 Ton air conditioner. If your room is heavily shaded, you can save cost by using a 9,000 BTU or 0.75 Ton air conditioner.

### How many square feet will a 18000 BTU Mini Split cool?

750 square feet

How are ductless mini-splits sized?

Space Capacity | BTU Level |
---|---|

750 square feet | 18,000 BTU |

1000 square feet | 24,000 BTU |

1250 square feet | 30,000 BTU |

1500 square feet | 36,000 BTU |

**How many square feet will 18000 BTU heat?**

1,000 square foot

Calculating the number of BTUs needed to heat an area For example, a 300 square foot room typically requires 7,000 BTUs to maintain a comfortable temperature, while a 1,000 square foot room requires 18,000 BTUs.

**How much does it cost to run an 18000 BTU air conditioner?**

How much does it cost to run a 5,000 – 18,000 BTU air conditioner

AC Capacity (BTU) | Running Cost (Per Hour) | Running Cost (Per Month) |
---|---|---|

12,000 BTU | $0.17 | $119.66 |

14,000 BTU | $0.19 | $139.61 |

15,000 BTU | $0.21 | $149.58 |

18,000 BTU | $0.25 | $179.50 |

## How much does it cost to run a 18000 BTU Mini Split?

$0.74 per hour

Mini Split AC Cost to Run

Mini Split AC Unit (BTU) | Wattage | Cost 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 |

23,000 BTU Mini Split AC | 6,740 W | Costs $0.88 per hour |

24,000 BTU Mini Split AC | 7,033 W | Costs $0.91 per hour |

## What size breaker do I need for a 18000 BTU air conditioner?

A 20 amp breaker is sufficient for a 18,000 BTU 2 zone system with two 9,000 BTU indoor units. If the indoor units are each 18,000 BTU and the condenser is a 36,000 BTU unit, the breaker needed is 30 amps. Any 2 zone system, or 3+ zones, of 48,000 BTU or more requires a 40 amp breaker.

**What size breaker do I need for a 24000 BTU air conditioner?**

15A breaker

All 24,000 BTU AC units run on 220/240V circuit. We can use 220V for a conservative AC breaker size for 24,000 BTU units. As you can see, we can confirm that we need a 13.64A minimum ampacity. That means we will need a 15A breaker for a 24,000 BTU air conditioner.

**How many sq ft does a 15000 BTU AC 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.