Question: How Many BTUs Do I Need To Heat 1500 Square Feet?

How do you calculate BTUs needed?

Multiply your square footage by 30 BTUs to find out what capacity furnace you need.

Alternatively, if you live in an older home in Zone 6, multiply your square footage by 60 BTUs to ensure you purchase a furnace with enough capacity to heat the space..

How many BTU is 900 square feet?

33,700In our example, a 900-square-foot building requires a 33,700-BTU heating system if it is located in an area where it receives equal amounts of sun and shade, 37,070 BTUs for a location in direct sun and 30,330 BTUs for a location in a well-shaded area.

How many BTU of heat do you need per square foot?

20 BTUsTo determine the number of BTUs per square foot that you need to heat a room, simply multiply the square footage by 20 BTUs per square foot. For example, if a room has 1,000 square feet, you would require 20,000 BTUs to heat it.

Is it better to undersize or oversize a furnace?

An undersized furnace will work fine for the majority of the time, but every once in a while it won’t get the house quite as warm as desired. … An over-sized furnace will keep the house warm no matter how cold it gets outside, but it does so at a cost.

Is a higher BTU furnace better?

A heater with a higher BTU rating is more powerful — that is, it has a higher heat output — than one with a low BTU rating. It can do more to raise the temperature in your room each hour, so you can either heat a room more quickly or heat a larger space.

How much does a 60000 BTU furnace cost?

Natural Gas Heating System Prices by BTUFurnace Size (BTU)Typical Furnace Cost with Installation*60,000$2,500 – $4,20075,000$2,700 – $4,60080,000$3,000 – $4,900100,000$3,400 – $5,4003 more rows

How many square feet will 36000 Btu heat?


How many square feet will a 75000 BTU furnace heat?

A 75,000 BTU heater can heat a room of between 1,900 and 3,700 square feet in a cold climate if there is little to no insulation. In more temperate climates the heater fares better, heating an uninsulated room of any size from 2,400 to 4,600 square feet.

How many square feet will a 80000 BTU furnace heat?

80 X 1,000 square feet = 80,000 BTUs.

How many BTUs do you need to heat 1000 square feet?

18,000 BTUsFor example, a 300 square foot room typically requires 7,000 BTUs to maintain a comfortable temperature, while a 1,000 square foot room requires 18,000 BTUs.

How many square feet will a 100000 BTU furnace heat?

Determining the Square Footage However, there are basic “rule-of-thumb” estimations to help select the proper size for your home. In colder climates, you’ll want a furnace that generates 40 to 45 BTUs per square foot. At this amount, you’ll need 100,000-112,500 BTU furnace to heat a home of 2,500 square feet.

How many BTUs do I need for 500 square feet?

11,500 BTUWindow Air Conditioning Chart100 Sq. Ft.5,000 BTU400 Sq. Ft.10,500 BTU500 Sq. Ft.11,500 BTU800 Sq. Ft.17,000 BTU1,000 Sq. Ft.21,000 BTU2 more rows•Jun 15, 2020

How many BTUs do I need for a 2000 square foot house?

Rules of Thumb If you live in a moderate climate such as the Pacific Northwest, you might only need 25 to 30 BTUs per square foot. In harsher climates such as the Dakotas, up to 45 BTUs per square foot are appropriate. A 2,000-square-foot house would require 60,000 BTUs at the lower figure, or 90,000 at the higher.

How do I calculate what size heater I need?

To calculate the size unit heater required for your space, use the following formula: Calculate the cubic footage of the space to be heated by multiplying building length x width x ceiling height. A 30 x 40 pole barn with 14 foot average ceilings* will have (30x40x14=) 16,800 cubic feet of space to heat.

How big of a furnace Do I need calculator?

Calculating Your Basic Heating Needs You’ll want to multiply your home’s square footage by the recommended heating factor to obtain the furnace output rating you’ll need. For example: If your home is 2,400 square feet and you figure 35 BTUs per square foot, you’ll need a 84,000 BTUH-capacity furnace.

What size furnace do I need for a 1500 square foot home?

A 1,500-square-foot home will require between 45,000 to 90,000 BTUs. A 1,800-square-foot home will require between 55,000 to 110,000 BTUs. A 2,100-square-foot home will require between 65,000 to 125,000 BTUs.

How many BTUs do I need for a 1600 sq ft house?

How Many BTU To Cool 100 to 5,000 Sq Ft (Table)Square FootageBTU CapacityHow many BTU for 1400 square feet?28,000 BTUHow many BTU for1500 square feet?30,000 BTUHow many BTU for 1600 square feet?32,000 BTUHow many BTU for 1700 square feet?34,000 BTU18 more rows•Sep 9, 2020

How many BTU do I need for a 20×20 room?

Air Conditioner Sizing Tutorial. How much air conditioner BTU’s I need?Room SizeSquare FootageRecommended BTU Range20’X20’400900018’X25’4501000022’X25’5501200025’X30’750145008 more rows

What size furnace do I need for a 2000 square foot home?

A mid-sized home of 2,000 square feet would need approximately 50,000 to 60,000 Btu to heat it properly. With a less efficient furnace operating at 80 percent efficiency this would require a 60,000- to 72,000-Btu furnace.

How many square feet will a 40000 BTU furnace heat?

BTU ChartsBungalow Area [sq ft]*Furnace Output [BTU/hr]up to 1200 sq ft40,000 BTU/hr50,000 BTU/hr1200 to 1500 sq ft50,000 BTU/hr55,000 BTU/hr1500 to 1800 sq ft55,000 BTU/hr60,000 BTU/hr1800 to 2500 sq ft65,000 BTU/hr70,000 BTU/hr3 more rows

How many BTUs does it take to heat a 1400 square foot house?

Size and Ceiling HeightArea To Be Cooled (square feet)Capacity Needed (BTUs per hour)1,200 to 1,40023,0001,400 to 1,50024,0001,500 to 2,00030,0002,000 to 2,50034,00010 more rows