This is the 3800th most frequent Russian word.
btu
The Russian word "бту" (if not a typographical error) does not have a standard meaning; it may need clarification or context.
In this sentence, 'BTU' (British Thermal Unit) refers to a measurement of power, commonly used in heating and cooling systems.
Он купил кондиционер с мощностью 12000 BTU.
He bought an air conditioner with a capacity of 12000 BTU.
Here, 'BTU' denotes the heating capacity of the fireplace, a standard term in energy measurement.
Изучая характеристики камина, было упомянуто его значение BTU.
While studying the characteristics of the fireplace, its BTU value was mentioned.
In this instance, 'BTU' measures the energy output or performance of the heater, emphasizing its efficiency.