AC: A complete guide

This blog is a one stop for all your AC comparison, reviews, etc.

Showing posts with label AC tonnage. Show all posts
Showing posts with label AC tonnage. Show all posts

Sunday, June 2, 2019

AC Tonnage

AC , AC tonnage
AC Tonnage
ac tonnage

AC Tonnage



If you're thinking of buying an AC for, you must know about choosing the correct AC Tonnage. Today we'll discuss about ac tonnage calculation according to room size.
The smallest unit is 1.5 tons and largest unit is 5 tons.
Today electricity is very expensive and you don’t want to waste it on running a unit that is too big. On the other hand, getting a system that is too small will not keep your house cool, so while you will save money, you will not have the optimal temperature control and you'll end up regretting your decision of buying an AC.
We will also show you how to do a DIY estimate to figure out the central AC unit size you need for your house.
The two methods of calculating are:
    1. Area Method : To calculate, multiply the length and breadth of the room (in feet), take square-root of the answer and divide by 10. The resulting number will give the desired tonnage.
    2. Volume Method : Alternatively, multiply the length, breadth and height of a room (in feet). Divide the answer by 1000. This is the tonnage required.
For example:
  • Using area method: 
  1. Consider that I have a room with dimensions 15x10.
  2. Area=10*15=150 square feet.
  3. Divide by 10: 150/10=15.
  4. Take the square root: 1.247
Now it is clear that I must take a 1.2 tonne AC for my room.

  • Using Volume Method : 
  1. The room is 10 feet wide by 15 feet long and height is 20 feet (double height).
  2. That means 10×15 x 20 = 3000 cu.feet.
  3. (3000)/1000.
  4. We get 3 T.
  5. Choose an AC which is 3 Tonnes.
So basically for a room which is 3000 cu. feet (double height), we need to get 3 ton AC.​

For your convenience I've made a table:
  1. Less than 750 cubic feet 0.75 Tons.
  2. Between 750 and 800 cubic feet 0.75 Tons.
  3. Between 800 and 900 cubic feet 0.75 Tons.
  4. Between 900 and 1000 cubic feet 1 Ton.
  5. Between 1000 and 1200 cubic feet 1 Ton.
  6. Between 1200 and 1500 cubic feet 1.5 Ton.
  7. Between 1500 and 2000 cubic feet 1.5 Ton.
  8. 2000 to 2300 cubic feet 2 Ton.
Image form you can download-
ac tonnage

That's it for today guys.
Signing off,
Your Geeky friend.
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Saturday, June 1, 2019

Choose The best AC for your Home or Office.

AC , AC tonnage
Choose The best AC for your Home or Office.

How to choose the best AC?


Air Conditioner
A typical Split AC

In the scorching heat of this summer it has become necessary to install a AC at your home/workplace.
In the last few years the economic growth of India has enabled the customers to afford an comfortable AC and live an healthy lifestyle.
In this blog, I'll help you guys to choose the best AC according to your needs.
The key things you must know before buying an AC are primarily-

  • Capacity: The capacity of the air conditioner should be chosen depending on the floor size of the room for which the AC is required. A rough measure done by experts states that an area in range of 120 -140 Sq. ft. area will need 1 ton, 150 -180 Sq. ft. area will need 1.5 ton and 180 -240 Sq. ft. area will need 2 ton cooling capacity air conditioner.

  • Installation requirements: The window AC is a compact unit designed to be attached to the windows. A split AC has a compressor unit outside the house and one indoor unit inside the room, specifically designed for better flow of air. Installation should always be done from an authorized service center. The performance parameter of AC depends on a good or bad installation.

  • Energy efficiency: Today, with rising mercury levels and increasing electricity tariffs, an energy efficient model of air conditioner is a must-buy. Air conditioners come with star rated energy efficiency ratings; also called EER(Energy Efficiency Ratio), which has been standardized by the Bureau of Energy Efficiency (BEE). Therefore, any unit with more stars will consume lesser electricity than one with a lower star rating.
bureau of energy efficiency

  • Split or window AC: Another deciding factor is whether you want a window AC or a split model. Though window units are cheaper and easy to install, split AC are quieter, aesthetically more pleasing and provide better air distribution.

  • Usage: If your AC usage is 8 to 10 hours a day for 3 to 4 months, it is recommended to buy at least 3-Star rated AC. In case AC usage is extended 5 to 7 months, you should opt for 5-Star rated AC. For usage of 10 to 12 months one should opt for cooling only or Hot & Cold Inverter AC.

  • Product Price: Price is another important factor to consider as more features and higher star ratings account for a higher price tag. For every star rating increase there is an increase of around Rs 2,500. An Inverter AC is usually 20% higher than a 5-Star rated Split AC.
5 star rating


  • Air Quality:     Indoor air quality is very important while deploying AC at home; hence AC with a good filter is extremely important to improve indoor air quality. A good filter not only ensures clean air but also enhances the cooling performance and energy efficiency of AC by preventing the choking of evaporator coil due to dust.







  • Multipurpose: Nowadays, AC is not just used for cooling, but as a multi seasonal product which can also be used in inters or heating. These Hot & Cold Air Conditioners also save up to 35% more energy than heaters. Air conditioners are also the best cooling devices for Humid weather. Special cooling functions are required for optimum cooling and maximum comfort during monsoons. So look for an AC with features which can control humidity and give more comfort in Monsoons.

  • After sales services: After sales services and other add-on features like warranty would certainly be a plus for your purchase. Look for a service oriented brand which has the capabilities and good network to meet the servicing need of your product.

  • Exposure to Heat & Sunlight: If your room is closer to kitchen or the wall of your room is directly exposed to the sun , you’ll need an air conditioner with higher cooling capacity.
  • Room Size: The size/capacity of the AC should be as per the size of your room. If it is bigger it will not be able to provide proper de-humidification and the smaller one will cost you more in terms of energy consumption. Room AC are available in capacity range of 0.75 to 2 tonne. Inverter AC with variable tonnage can be used for a wider range of room sizes.

  • Brand: You should carefully choose an air conditioner brand which fulfills your need of maximum energy saving through highest EER(Energy Efficient Ratio), best cooling performance and extensive after sales service. The air conditioner you choose should have functions which provide faster cooling in summers, optimum comfort in monsoon and also protects from disease causing virus, allergens and insects like Mosquitoes, etc.

  • Weather conditions: While choosing an AC, one should look for air conditioners that can work efficiently even in extreme weather conditions of Indian summers(especially the south & west side)
I'll be making a comprehensive review for the top 10 AC available in the market which will act as a guide for you to choose the perfect AC.

That's it for today guys,
Signing off,
Your Geeky Dost.




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