Kitchen Fan Vent Pipe

Also known as a hood fan or a range hood a kitchen exhaust fan is necessary to remove grease smoke and fumes that are present in the air when cooking in your oven or on your stovetop.

Kitchen fan vent pipe. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. Mark kranenburg of greenmark builders tv shows you how to build a simple and clean box to conseal your kitchen hood fan exhaust. For example since my kitchen is 350 square feet i would need a fan that must exhaust at least 700 cfm of airflow. If you don t want to hear the roar of a not so cheap kitchen exhaust hood right over your head what are the options.

Run duct work through the attic then attach the stove vent to a roof cap. Install the fan the filter and the light kit. Hook up all the wiring following the color coding black to black white to white and green to green or copper use wire nuts to cover the loose ends of the. When using smooth round 8 diameter metal pipe add one cfm per foot of pipe plus 25 cfm for each elbow and 40 cfm for a roof cap.

There are a couple of trick involved in this process. What is the formula for exhaust fan sizing. Take a high quality fan mount it remotely from the hood and make sure the fan noise does not get transferred back to the hood. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.

Broan aluminum power pack range hood insert exhaust fan and light combo for over kitchen stove silver 8 0 sones 250 cfm 4 3 out of 5 stars 645 97 99 97. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. Caulk around the seams between the vent hood and the ceiling. The do s and don ts of kitchen exhaust fan installation if you love to cook you need a kitchen exhaust fan.

How to box in pipes pipe. Boxing in a hood fan exhaust duct. This article shows the best way to vent a hood and exhaust fan that s above the stove when you have an interior wall with cabinets above. We ll cover how to run an insulated duct sleeve through the attic and out the roof to get the best airflow.

Connect the vent hood using screws and anchors to ensure a good tight fit. Many experts simply measure the square footage of the kitchen floor and multiply that by two to arrive at the cubic feet per minute of output for the fan. The size shape length turns and cap on the range hood ductwork adds resistance which reduces the amount of air the vent fan can move requiring additional cfm for the fan.