Get Combustion Air Calculation Sheet

The combustion air calculation sheet is a vital document used to ensure that sufficient combustion air is available for appliances, enhancing safety and efficiency. This guide will provide you with clear, step-by-step instructions on how to complete this form online.

Follow the steps to accurately fill out the combustion air calculation sheet.

1. Click the ‘Get Form’ button to obtain the form and open it in the editing interface.
2. Begin filling in the fields marked with block, lot, qualification code, and permit number. Provide the work site address, ensuring all relevant details such as street, city, and zip code are included.
3. Enter the owner in fee's name and telephone number in the designated areas to keep complete contact information.
4. Input the BTU ratings for all appliances including the furnace, hot water heater, gas dryer, and any other appliances. Be sure to include all BTU ratings, as noted, to calculate the total BTUs accurately.
5. Calculate and enter the total BTU figure, summing all appliance BTUs listed. Then, use the formula provided (total BTUs × 50 cubic feet/1000) to determine the cubic feet of combustion air needed and input that figure.
6. For the spaces available for combustion air, measure the length, width, and height of up to four spaces. Multiply these dimensions to compute the cubic feet for each space, entering the results accordingly.
7. Add the results from all available spaces to calculate total cubic feet available. Ensure this matches the total cubic feet needed from the earlier calculation.
8. If the total cubic feet available is less than what is needed, indicate in the provided section how additional combustion air will be supplied.
9. Once all fields are completed and checked for accuracy, save your changes. You can then download, print, or share the form as required.

Start filling out your combustion air calculation sheet online today for efficient documentation and compliance.