Chimney Liner Calculator

For the fireplace above that needs 108 of area this liner would be way too small.

Chimney liner calculator.

A cross sectional area of chimney m 2 q volume of flue gases at chimney temperature m 3 s v velocity m s in general 1 kw boiler heat requires 1100 mm 2 of chimney area. For example a liner that is 6 x 10 would be 6 x 10 60 of area. This is a good reason for avoiding this type of installation. Chimney vent capacity chart btu h and kw pdf.

Just muliplying these dimensions together 6 75 x 6 75 45 56 sq in. For example an 8 x 8 square nominal clay chimney flue tile liner has inside dimensions of 6 3 4 x 6 3 4. Average cost of chimney liner installation the average cost of a stainless steel chimney liner is around 1 980 when installed by a local chimney professional. For single category 1 appliance.

Rigid 304l chimney liner rigid 316l chimney liner single wall black stove pipe double wall black stove pipe metalbestos class a chimney pipe rock vent class a chimney pipe 316l inner 430 outer rock vent class a chimney pipe 304l inner galvalume outer rock vent class a. In a few simple steps you ll be able to see your options for chimney liner size and type. Use this tool to quickly calculate flue diameter or btu s for single or multiple category 1 appliance venting. But chimney experts and draft measurements show that in a rectangular flue not all of the cross sectional area is equally effective in developing draft.

A liner size of 9 x 12 would equal 108 and should just provide enough draft for the above fireplace. Stainless steel chimney liners while offering unrivaled customer service for the best buying experience. Choose the type of appliance you have measure the exhaust collar of the appliance. Chimney draft is required to draw the flue gases from the system and in order to prevent the backflow of gases the draft generated by chimney must be calculated accurately chimney draft depends on the following factors as mentioned below.

A q v 3 where. To determine the area in a square or rectangular pipe just multiply the length by the depth. Density of gases at the inlet of the chimney flue gases density at the inlet of the chimney is dependent upon the temperature. Condensation will form on the cold inner liner of the vent.

Required chimney area can be calculated as. Rockford chimney supply s chimney liner size calculator guide is a great way for anyone to choose the correct size liner and also the correct type of stainless steel. Chimney vent capacity chart btu h and kw. Chimney liner and flue pipe length calculator select pipe or liner type.

For do it yourself homeowners expect to pay around 625 for a ready to install 6 x 25 foot flue liner kit and diy installation. If the vent is located outdoors and the temperature is very low condensation may continue.