Here is a table with calculated 3 000 sq ft furnace sizes for all 5 regions.
Furnace btu for 2000 sq ft.
Up to 2 5 ton.
1 btu 1 055 joules 252 calories 0 293 watt hour or the energy released by burning one match.
With our wide range of propane or natural gas furnace models available with a variety of advanced features and the latest technology we re sure you ll find the right residential.
2 5 to 3 ton.
2 000 square feet x 40 btus 80 000 btu output required thanks to the equation we know we need 80 000 btus of heat.
90 000 to 100 000 btu hr.
On average electric furnaces cost around 700 or 2 000 when including installation.
Homes typically require 30 to 60 btus per square foot.
Example 3 furnace size for a 3 000 square foot home range from 105 000 btu to 180 000 btu depending on the climate zone you re in.
Unfortunately there are many other factors that can raise or lower your btu requirements dramatically such as your climate building structure and more.
Furnaces are rated on their btus of energy consumption not their btus of energy output.
With nearly 100 years of experience rheem has used the power of gas to fuel some great advancements in energy efficient home heating making a rheem gas home furnace one of the smartest choices you can make.
The british thermal unit or btu is an energy unit.
2500 to 3500 sq ft.
Up to 2 5 ton.
If you live in a moderate climate such as the pacific northwest you might only need 25 to 30 btus per square foot.
For instance a furnace with 80 000 btu input and an 80 efficiency rating will only produce 64 000 btus.
A more efficient furnace will output more btus of heat than a less efficient furnace with the same btu rating.
What size furnace do i need for a 3000 square foot home.
For example if a furnace is rated at 100 000 btus and is 80 efficient then the heat output will be 80 000 btus 100 000 x 8.
In harsher climates such as the dakotas up to 45 btus per square foot are appropriate.
It is approximately the energy needed to heat one pound of water by 1 degree fahrenheit.
1 watt is approximately 3 412 btu per hour.
1800 to 2500 sq ft.
But before we buy an 80 000 btu furnace there s furnace efficiency to consider as well.
A 2 100 square foot home will require between 65 000 to 125 000 btus a 2 400 square foot home will require between 75 000 to 145 000 btus if you re interested in updating or upgrading your home s furnace give mike diamond a call.
80 000 to 90 000 btu hr.