Use code PHF50SALE at checkout for £50 off your first order. Some sale products excluded. Klarna and Paypal credit are both available at checkout.

Wood Burning Fire Calculating the heat output

Wood Burning Fire Calculating the heat output

Calculating the heat output, or heat capacity, of a wood burner involves considering several factors. The following steps outline a general method for estimating heat output:

  1. Determine the volume of the space: Measure the length, width, and height of the room or area you intend to heat. Multiply these dimensions together to calculate the volume in cubic meters (m³).

  2. Consider the insulation level: Assess the insulation quality of the space. If the area is well-insulated, assign a value of 40-50 watts per m³. For average insulation, use 50-60 watts per m³. Poorly insulated areas may require 60-70 watts per m³.

  3. Calculate the required heat output: Multiply the volume of the space by the appropriate watts per m³ value from Step 2. This will give you an estimate of the total heat output required to adequately heat the area in watts.

  4. Adjust for efficiency: Wood burners have efficiency ratings that determine how effectively they convert fuel into heat. Typical efficiencies range from 60% to 80%. To calculate the adjusted heat output, divide the total heat output from Step 3 by the efficiency percentage. This will give you the estimated heat output required from the wood burner in watts.

  5. Convert to kilowatts (kW): Divide the adjusted heat output from Step 4 by 1000 to convert it from watts to kilowatts. This will give you the heat output in kilowatts that you should look for when choosing a wood burner.

It's important to note that this method provides a rough estimate and should be used as a starting point. Factors such as climate, windows, and drafts can also impact the heat requirements. Consulting with a professional or contacting the manufacturer of the wood burner for more specific guidance based on your unique circumstances is recommended.

Why not take a look at our extensive range of Wood Burning stoves, shipped to your home with free delivery. Stoves – Prestige Home Fires

Previous Post Next Post

  • Neil Finnerty