What power to choose the air conditioner: large or small

To the question: "What capacity should I choose an air conditioner?" only a specialist should answer. Correctly matched power ensures optimal performance without overloading and starting unnecessary cycles. In our materials, there are several options for a more or less accurate calculation of power. They are suitable for a rough "estimate", but not for the purchase of HVAC equipment in a large store or office. Why is it dangerous to buy a high-power or low-power air conditioner?

High power air conditioners

“I'll take a high-power air conditioner. It will certainly cope with the cooling of any area. " This is a very common mistake among budget shoppers. There are several disadvantages of purchasing an air conditioner with a power reserve:

• You are deliberately overpaying. The more powerful the equipment, the higher its price. This is sometimes used by unscrupulous sellers, persuading buyers to buy equipment "abruptly";
• The air conditioner will not be able to keep the temperature at the set value, since it will have to constantly turn off and on. The likelihood of early wear is greatly increased. This rule does not apply to inverter systems;
• The air conditioner on inverter control cannot stop at all. It only slows down. The minimum power, depending on the model, is 0.5 - 1 kilowatt. That is, the owners will pay extra money, and the equipment will work in vain;
• Excessive cold airflow will create an uncomfortable atmosphere and can cause colds.

For information on what power to choose an air conditioner, read our articles on calculating the power of an air conditioner.

Low power air conditioner

Buyers who want to save money on the purchase of HVAC equipment tend to this choice. And they are wrong.

How much power do you need an air conditioner? - Calculate using a special formula. But if you buy a low-power air conditioner, you will not end up with problems.

This is where the compressor comes under attack. On hot days, it will work almost non-stop. Overheating and breakage are guaranteed.

And the owners themselves will feel the lack of refreshing coolness from the low-power air conditioner. It will make itself felt in the summer, in the heat.

Thinking about how much power the air conditioner needs, it should be borne in mind that between the readings obtained during the calculations and those indicated in the technical characteristics of the device, an error is allowed within 15%.