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Do you know why AC capacity is measured in tons? One of the most prominent terms inside the cooling task is “ton.” Also, the term “ton” is used in AC because it is referred to cooling the area of air. All things being equal, it is recommended to get an Air conditioner system which can cool your home or offices to your desired comfort level.

Here are some elements considered in the measurement of an Air Conditioner:


Most resources say the expression “ton” began when homes and rooms were cooled with the guide of ice. As the term created and turned out to be extra to be expected inside the HVAC business, it is attained to refer to what number of British Thermal Units, or BTUs, of warmth a cooling machine can produce. While working out the required Air Conditioner capacity, the basic degree is how much intensity, in BTUs, will dissolve a pound of ice back to fluid water.

Late in the 19th century, people used a huge amount of ice to cool their homes. The ice was derived from frozen lakes during the wintertime. Moreover, this ice was stored and insulated until it was needed in the summers. In those times, it took 12,000 BTUs to melt one ton of ice in 24 hours. This is where modern AC has replaced old ways to cool homes in the present time. Modern AC of one ton can cool the air (same amount as the ice needed to melt to cool the home or room) in one hour.


A cooling load calculation done as per the Air Conditioning Contractors of America’s (ACCA) Manual will tell you how a ton of cooling is expected for your indoor spaces, while a manual assessment will tell you a method for choosing the gadget with the possibility to give how much cooling you need. Assuming that you stay in the East Bay region, alongside the networks of Santa Clara City, Hillsides, or Palo Alto, you might go to Finest Heating & Air for regular maintenance and proper consultation for AC Installation. Reach us today for more information on all types of Air Conditioners and what way to deal with your home comfort.


We discussed the reason why AC is measured in tonnage and no other unit. Plus, the working and process of Air conditioner. Alongside, we discussed the condition of weather impacting the cooling of AC in the home. To get more solutions like these, or any service including AC Maintenance, AC Installation, and AC Repair in Palo Alto, San Mateo, Santa Clara, San Jose, and San Francisco.

Call 650-665-3546 or get an appointment.

Our Service Timings

Monday: 8 AM to 6 PM

Tuesday: 8 AM to 6 PM

Wednesday: 8 AM to 6 PM

Thursday: 8 AM to 6 PM

Friday: 8 AM to 6 PM

Saturday: Close

Sunday: 8 AM to 6 PM

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First Location: 2100 Geng Rd, #210 Palo Alto CA, 94303

Second Location: 7250 Redwood Blvd., Suite 300, Novato, California, 94945


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