Frequently asked Questions

FAQ - AC Tonnage Calculator

How many btu do i need to heat my room?

You can calculate the BTUs by multiplying the area of the room in square feet by any figure between 10 to 20 BTUs, based on insulation and climate. Use maybe a web-based BTU calculator for precise results by entering inputs like room area, insulation, and outside temperatures.

11,000 btu heats how much space?

An 11,000 BTU heater generally can heat a 300 to 500 square foot space, assuming insulation quality, ceiling height, and local climate conditions. .

how many btu for 32 ambient outdoor for 1400sqft house?

Heating a 1,400 sq. ft. house when the outdoor ambient temperature is at 32°F requires 45,000 to 70,000 BTUs. These BTUs, however, depend upon various factors like insulation, ceiling height, and the desired temperature. For closer estimation, make use of the heating load calculator.

how many heating btu does a 3500 sq feet house need?

To heat a 3,500 sq. ft. house, you typically need in the range of 90,000 to 175,000 BTUs, depending on insulation, ceiling height, climate, and inside temperature you are aiming for. A well-insulated house in a moderate climate will require less, sun a colder climate or poorly insulated will need more. .

how many btu i need for 1400sq/ft. appartment?

The amount of heat required by most 1,400 sq. ft. residences is usually between 35,000 and 70,000 BTUs, depending on the level of insulation, ceiling heights, and climatic conditions in some specific areas. For cold regions or poorly insulated spaces, the upper limit will be desirable. .

4000 btu heater good for how much space?

A four thousand BTU heater shall suffice in heating areas ranging from one hundred to two hundred square feet, depending on variable factors of quality of insulation, height of the ceilings, and outside temperature conditions.

will 120,000 btu be enough to cove 7,565 sq ft?

In the case of 7,565 square feet, by average, owing to insulation may therefore be 20 to 30 BTUs per square foot, it is likely that it might well be short for heating a 120,000 BTU heating systems space. This translates to somewhere around 150,000 to 225,000 BTUs for a 7,565 square foot area. This size of space will likely require multiple smaller systems or larger central heating.

how you calculate the correct size of central heating radiator?

 To size the central heating radiator correctly for a room, follow the steps given below:

1.Measure Room Size: Calculate the area (length × width) of the room.

2.Required BTU: Multiply the area with 10-20 BTUs, depending on factors like insulation, ceiling height, and climatic conditions.

3.Adjustment Factor:

• Add 15-20% if the room has poor insulation or large windows
• 10% if it is a north-facing room or has cold climatic conditions.
• Subtract 10% if the room is well insulated.

4.Select the radiator with a BTU output equal to or greater than the required BTUs.

The BTU computation can also be done using btu calculators available online, allowing for precise 

how do i find out what radiator i have?

 Here are steps to identify the type of radiator you have:

1.Inspect the Shape: Take a look at the shape and style of your radiator.

• Panel Radiators: They are flat and rectangular with one or two panels.
• Column Radiators: These may either be installed vertically or horizontally. They have many tubular columns.
• Cast Iron Radiators: They are heavy, ornate, and mostly installed in older homes.
• Convector Radiators: These have fins behind the panel for about a 30% increase in heat output.

2.Labels or Stamps: Look closely; the manufacturer's name, model number, or BTU rating may already be on the radiator. This information is often on the side or on the back.

3.Measure Size: Take note of height, width, and depth, comparing the measurements to standard radiator sizing charts.

4.Feel of Material: By touch, make sure of its steel, aluminum, or cast iron material. Cast iron would be heavier and retain heat longer.

5.Search Online: Use the design, material, and any labels to search for details, or consult a heating professional for assistance. 

How much btu for 3.5x3.5 radiator?

On an average, a standard radiator of this size might produce 3,000 to 6,000 BTUs .

what radiator do i need to heat 10 square metres room?

A radiator supplying 1,500-2,000 BTUs should usually sufficient to heat a 10-square-metre area. Adjust according to: Insulation: Poor insulation equals more BTUs. Ceiling Height: Add extra for ceilings taller than 8 feet. Windows: Add 10-20% for large or single-glazed windows.

what size radiator for 8,400 btu?

 Once reflecting through the 8400 BTU radiator. Usually, the radiator would be up to that heat output. The size depends on what kind of radiator you want:

• Single-Panel Radiator: Roughly 1.5-2 meters long, depending on design and material.
• Double-Panel Radiator: A bit shorter responsibly to touch beyond 8400 BTUs.

The various types of radiators will output different BTUs per meter; thus, it is ideal to look at their manufacturer specifications to know what size and configuration will give you all 8400 BTUs. 

How many btus are in a gallon of propane?

The approximate BTU content of a gallon of propane is about 91,500. The actual value may vary slightly depending on the exact specification of propane, but this general value is usually accepted as standard heating content per gallon.

How many tons for a 1767 square foot home?

 To calculate the cooling requirements for a home with a square footage of 1,767, a reasonable thumb rule is as follows:

• 1 ton of cooling = 12,000 BTUs
• In general, one needs about 20-30 BTUs per square foot in cooling.

Generally speaking, a cooling capacity of 2.5-3 tons would be required for a 1,767 sq. ft. home.

Perfection in such calculations will be as dependent as satisfactory insulation, choice of windows, average ceiling heights, and, of course, the climate of the place. An HVAC contractor will help you get the most close and fitting advice. 

How many btu to heat a 2 car garage?

To heat a 2-car garage (around 400-600 sq. ft.), 10,000-20,000 BTUs should suffice .

How many tons of hvac per square foot?

1 ton of air-conditioning capacity is equal to 12,000 BTUs. 1 ton per 500 to 600 square feet of living space is the general estimate in moderate climates.

What size mini split do I need for 200 sq ft??

For a 200 sq. ft. space, a 6,000 BTU mini-split system is ideal.

What size mini split do I need for 300 sq ft??

For a 300 sq. ft. space, a 6,000 BTU mini-split system is typically sufficient.

What size mini split do I need for 400 sq ft??

A 9,000 BTU mini-split system is usually recommended for 400 sq. ft.

What size mini split do I need for 500 sq ft??

For a 500 sq. ft. space, a 12,000 BTU mini-split system is typically needed.

What size mini split do I need for 600 sq ft??

A 12,000 BTU mini-split system is the ideal choice for 600 sq. ft.

What size mini split do I need for 700 sq ft??

For 700 sq. ft., a 14,000 BTU mini-split system is recommended.

What size mini split do I need for 800 sq ft??

An 16,000 BTU mini-split system is suitable for 800 sq. ft.

What size mini split do I need for 900 sq ft??

For 900 sq. ft., an 18,000 BTU mini-split system is recommended.

What size mini split do I need for 1000 sq ft??

A 20,000 BTU mini-split system is ideal for 1,000 sq. ft.

What size mini split do I need for a 2-car garage?

For a standard 2-car garage (approximately 400-600 sq. ft.), a 9,000 to 12,000 BTU mini-split system is sufficient.