The rule of thumb is 2-1/2 tons per 1000 square feet. It is not measured in BTU which is a heating term
12,000
13000
btus needed to heat & cool 625sf room
To calculate the BTUs needed to cool a room, multiply the square footage of the room by 20 (which is the recommended cooling capacity in BTUs per square foot). In this case, for a 20x12 room (240 square feet), you would need approximately 4,800 BTUs to effectively cool the space.
A romm 20x9 is 180 square feet. You will need 5000 to 6000 BTUs for this.
up to 500 sq.ft.
12square meter and 12 sq feet depth in how many use cement
12square meter and 12 sq feet depth in how many use cement
The number of BTUs needed to cool a room depends on factors such as insulation, ceiling height, and climate. On average, a 300 sq ft room would require around 6,000-7,000 BTUs to keep it under 90 degrees Fahrenheit in moderate climates. It's best to consult a HVAC professional to determine the exact BTU capacity needed for your specific room.
The number of BTUs needed to heat a space to 70 degrees will depend on factors such as the size of the space, insulation levels, outdoor temperature, and efficiency of the heating system. A general estimate is around 25-30 BTUs per square foot. It is recommended to consult a heating professional for a more accurate calculation.
100 BTU if it's Fahrenheit
To convert water at 200°F to ice at 30°F, you need to remove 1 BTU to cool water from 200°F to 32°F to become ice. Then, you need to remove 144 BTUs to cool the ice from 32°F to 30°F. So, total BTUs needed to remove from one pound of water at 200°F to end up as ice at 30°F is 144 + 1 = 145 BTUs.