What Size AC Do You Need?

When your commercial HVAC unit is the wrong size, you’re losing money. Ill-fitted units can run constantly or cycle on and off frequently, raising your bill. By making sure your unit is properly sized, you can increase its energy efficiency and performance. All Temp, the air conditioning replacement St. Cloud experts, can help you find the perfect fit.

The Basics
Air conditioners are measured by tons, which is surprising when you think about the fact that most units aren’t even 2,000 pounds. Tons, in relation to HVAC, is the unit’s measurable ability to heat or cool a space. A one-ton unit yields about 12,000 BTU’s per hour. One BTU, or British Thermal Unit, will heat or cool one pound of water by one degree Fahrenheit.

Estimating Size
The size of your air conditioning unit relates to your building size; a small building may only need a two-ton unit, while a large building may need up to 30 tons. There are two main ways you can determine what size unit you need:

Divide and Conquer

  1. Multiply the square footage of your office by 25.
  2. Divide that number by 12,000) minus 0.5).

Heat It Up

  1. Divide the square footage of your office by 500.
  2. Multiply this number by 12,000.
  3. Add in any heat generated.
    1. Add 380 for each person who works in the space daily.
    2. Add 1,000 for each window.
    3. Add 1,200 for each kitchen.

Call in a Professional
Once you have an estimate of how big your commercial unit should be, it’s time to call a professional. A professional can properly size your HVAC unit, ensuring it reaches optimal energy efficiency and performance level. An oversized system can cause temperature swings by turning on and off frequently, while an undersized unit will work overtime in an attempt to cool down the space. An industry professional will make sure that your unit correctly fits the size of your commercial space.
Is it time for air conditioning replacement, St. Cloud? Contact the professionals at All Temp. We can make sure your HVAC is the right size for your commercial space. Give us a call at (407) 857-7800 to schedule an appointment.

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