Calculator selection of conditioning fit the pattern

Good day!

Our site you need to add a calculator for calculating the power of the air conditioner. We found this on the website: ...

We need the same thing, but only the section "Calculation of cooling capacity". The set of fields is exactly the same. All calculation formulas are listed on the same page. The result should be automatically updated after changing the value of one of the fields (like on the example website).

The sections "Calculation of power consumption and energy costs and the Approximate prices for air-conditioners with capacity from..." is not needed.

With you the price and terms.