Air conditioner how many tons

Do you find yourself feeling groggy after a night of sleep? The U. October 25, Waking Up Tired? Increase Font Size. Underline Links. Highlight Links. They are the most efficient units available. And AC Warehouse has them. Fun facts: Unbelievable as it seems, the entire formula has to do with 19th century ice production during the winter on the Hudson River and how much heat one needs to melt one ton of ice in a hour period.

That translates in modern day science to one ton of air conditioning equals 12, BTUs. Air Conditioning Tonnage — What does it mean? Air Conditioning Tonnage — What is it? The number 24 in the model number indicates the unit is 24, Btu's, divided by 12, Btu's per ton, equals 2 tons. Use the following conversion information to determine your existing system size use the system model number NOT the serial number.

When sizing air conditioners, be careful not to make the mistake of getting one that is too large. If the system you install is too large for the space, it will short cycle. In other words, the compressor will not run long enough to dehumidify the space and will limit your comfort.

In addition, it will cycle on and off more frequently, increasing operating costs and reducing the system life. Proper air conditioner sizing is critical to optimize performance. If you're still unsure which system size is right for you, or if you're having difficulty downloading the Air Conditioner Size Calculator , please e-mail us or call us toll free number at Sizing air conditioners by phone is difficult but we can provide you with the tools to get you started.

Use the lower of the two numbers if your home is well insulated and the higher number if it is older or poorly insulated. Hint: Use the larger of the two numbers above if you're unsure of your home's insulation.

Simply multiply the appropriate factor above by your home's total heated square footage to arrive at your approximate required heating capacity. For example, if you live in the yellow zone, your home is well insulated, and you have heated square feet, the equation will look like this:.

Then, to calculate the output on a gas furnace, multiply its efficiency rating by its listed input rating for the actual Btu output of heat. If you're still unsure which system size is right for you, please e-mail us or call our toll free number at An experienced design technician will be happy to assist you.