Amazon.com: fresh air vent. ... VENTS-US PS 101 Ductless & Passive Fresh Air Intake Ventilation Kit, Comes with Internal Grille, PVC Telescopic Duct, & an Exterior Sqaure Grille (No Motor) - Energy Efficient Fresh Air Intake. 4.2 out of 5 …A furnace fresh air intake vent is a furnace vent connected to the outside of a home that allows fresh air to enter. The fresh air is then heated by the furnace and distributed thr...Outside air enters the system through a roof or sidewall vent inlet that collects air from a clean outside location. The air is pulled into the system through a filter, and then a duct connected to the return plenum. ... Fresh Air Sensible Btu = (Fresh Air cfm x Temperature Difference Between Indoor and Outdoor Air) x 1.08. Let’s create a ...Lambro Industries 606W - 6" Louvered Air Intake Vent (White)- Note: Size shown indicates the Duct Size of this product. 6" Louvered Air Intake Vent (White) Free shipping on orders over $99 Your Zip: 9883708-Jan-2018 ... so , why did you patched the cab fresh air intake hole, on My 2018 RAM 2500 95k miles, sometime little smoke come from vent passenger side ...Carbon canister. Readings came in above 4.0pCi/L. - Radon company came back, re-evaluated all sealings. and then added the small fresh air vent on the opposite side of basement from the suction point. - Tech said the purpose of the small (3 inch) fresh air vent was to bring air from the outside into the basement to change the pressure. Air Vent. Shingle Over, Edge Vent, Intake Vent (Sold in Carton of 10-Pieces only) Add to Cart. Compare $ 150. 23 /case (9) Master Flow. 4 in. x 12 in. Oval White UV ... The fresh air intake is a vent and metal tube that delivers air to the combustion chamber of the furnace. Oxygen in the air is needed for burning natural gas and other heating fuels. Do All Furnaces Have Fresh Air Intakes? No, not all furnaces have fresh air intakes. Furnaces in older homes draw air from attics, crawl spaces, and other unused ...Cold air return vents work by allowing cool air to be suctioned into a furnace or heating/air conditioning system. The cool air is then heated or cooled, depending on the system se...Dec 13, 2023 · About This Product. Check out Lambro's 4 in. White Plastic Air Intake Louver Vent. This is Lambro's low-profile design of their fixed louvered air intake vent with fine mesh metal screen. The metal screen prevents outside elements from entering through the vent, it is not recommended for dryer venting. Fresh air intake vents are simply the way your home takes in fresh outside air, making sure the air inside your home isn’t overtaken by contaminated or toxic air. It …VMAX AE-VENT. Unique storm proof wall mount air intake vent engineered and designed to prevent all weather infiltrations while allowing for efficient fresh air intake for attic air circulation for buildings designed without soffit vents. Custom made to your specifications. Introducing Ventilation Maximum's products of wall & soffit air intakes.26-Jun-2019 ... Outside fresh air enters the system through the fresh air intake and is pulled through the system through a duct connected to the return plenum.High efficiency direct-vent HVACs I believe have PVC air intakes (whereas "atmospheric combustion" HVAC just sucks air from the room that the unit is in). My HVAC exhaust is through metal ducts to my chimney. Step 1: figure out what those vents are Step 2: extend the PVC piping if there is moist air being exhausted.The Harman XXV outside air connector has a 2-1/2" I.D., so as long as you find the right size to fit the I.D. of your outside air pipe you should be good to go. If anybody cares, I will update this thread as soon as my stove is up and running (waiting on one exhaust pipe section yet). Thanks again for everyone's help.6 Inch Wall Vent Cap - Aluminum - Screen Only - Heavy Duty Hooded Metal Caps - Fresh Air Intake Vent for Side Walls by Vent Works. 5.0 out of 5 stars. 4. $53.99 $ 53. 99. $6.24 delivery Mar 7 - 11 . Or fastest delivery Mar 5 - 7 . Small Business. Small Business.Oct 3, 2017 · We bring that fresh air into the house with two independently operating intakes located in the buffer space. A Fantech FR-125 inline fan with a 4-inch duct serves one intake vent, controlled by a Fantech switch in the laundry room on the main level. The fan can move as much as 200 cubic feet per minute (cfm), but we initially set it to 20 or 30 ... Step 4. Install your 6-inch metal galvanized duct from the collar to the stub that comes in from the intake hood. Screw all joints together with sheet metal screws. For cut joints, crimp one end with your pipe crimper to fit it into the next piece. Right before you connect to the intake hood stub, install a 6-inch barometric damper. -oof-Vent - 4--roofvent.com aleroofvent.com Pop Vent - Roof Louver Air Intake Model Number: PV-14-C4 | 14” Diameter 4” Tall Collar • Roof Louver provides fresh air into the attic or plenum • Vent head is removable allowing for easy installation on membrane roofs • Inside louvers prevent wildlife as well as rain or snow from enteringAir Intake Vents. The lack and / or limitation of fresh air intake is one of the important causes of the presence of condensation, mildew and deterioration of the insulation in the attic. Maximum Ventilation Ltd. has studied these issues and designed and developed unique products that will resolve these deficiencies while respecting the ...Zephyr AK00052 10" Round Rain Proof Fresh Air Wall Inlet Cap with Mesh Bird Screen ... Fits 8-Inch Inline Duct Fans for Fresh Air Intake and Ventilation. 4.8 out of 5 stars 65. 1 offer from $149.00. Imperial VT0611 6-Inch Heavy-Duty Outdoor Exhaust Vent, with Intake Hood Conversion, 1-Pack, Brown.4" Galvanized Fresh Air Intake Hood. Model Number: 05604000WB Menards ® SKU: 6393038. PRICE $14.99. 11% REBATE* $1.65. PRICE AFTER REBATE* $ 13 34. each. ADD TO CART. Description & Documents. Specifications.SKU: 608W Categories: All HVAC Components, Fresh Air Intake Vents. Related products. Quick View Read more Read more Add to Your Quote List Compare . 4″ x 5′ UL 2158A Transition Duct Preferred Hood Vent – Complete Kit – Item #280 Read more Read more.A fresh air intake is exactly what it sounds like, a path for your home to take in fresh air from the outside. In many homes the fresh air intake is simply an open duct ran from …Broan Fresh Air Systems are designed to provide a continuous supply of fresh indoor air to each home and keep the people in it healthy. These systems draw fresh air in, filter it, …Ideal for tightly sealed homes, Lennox ® whole-home Healthy Climate® ventilations systems replace stale indoor air with clean outdoor air, making your home feel fresher and less stuffy. Better than opening a window, which can let allergens and bugs into your home, a Healthy Climate ventilation system allows you to easily and efficiently control the amount of fresh air …This video shows how to disassemble and clean the fresh air intake vents/screens on a 96 Lexus ES300.. Vents are located at base of windshield below windshie...Running vents and intakes under deck. We’re in the process of rebuilding our deck, and before the Legerboard goes on over the rim joist, we need to add a couple of vents and intakes. There’s an existing fresh air intake that runs to the cold air return (standard here in British Columbia,) and a dryer vent that’s too close to the intake ...I've had this wood burning stove for a year now. It works great but it could be a little better.A lot of people (including the install instructions) recommen...Running vents and intakes under deck. We’re in the process of rebuilding our deck, and before the Legerboard goes on over the rim joist, we need to add a couple of vents and intakes. There’s an existing fresh air intake that runs to the cold air return (standard here in British Columbia,) and a dryer vent that’s too close to the intake ...Mar 8, 2013 · 5 in. Fresh Air Vent. (32) Questions & Answers (10) Hover Image to Zoom. $ 28 72. Pay $3.72 after $25 OFF your total qualifying purchase upon opening a new card. Apply for a Home Depot Consumer Card. Galvanized steel construction ensures long-term use. Designed for easy installation using metal screws. The roof vent calculation values shown above are for the exhaust portion of the roof. The same amount of net free air inches is needed for air intake as well. Proper roof ventilation consists of 50% air exhaust and 50% air intake. Active Ventilation Product's Air Intake Pop Vent Roof Louver with curb mount flange is ideal for completing proper ...Nov 3, 2022 · Benefits of Fresh Air Intake Vents. Aside from the essential benefit of keeping your indoor air quality at healthy levels by preventing carbon monoxide and contaminants like pollen, mold spores, pesticides and other chemicals, fresh air intake vents also: Lessen the amount of dust in your home. Improve the efficiency and lifespan of your furnace. Fresh air ventilation can bring a little of the outside world into your home environment –fresh, outdoor air – while maintaining your comfort and the efficiency of your heating and cooling system. Carrier® fresh air ventilators work behind the scenes to remove airborne pollutants and refresh your indoor environment with minimal energy loss. Kit Includes: 5' of Alum Flex Liner, Vent Hood, & Flex Decorator Collar. Size. Choose an option, 2", 3". Clear. Email to a friend.Power Direct Vent Residential Gas Water Heaters. Of combustion, and a separate air intake to provide fresh combustion air to the unit. Vents to an outside wall using 3” or 4” PVC or CPVC pipe. This water heater is suitable for water heating and space heating. Toxic chemicals, …. Fetch This Document.Required: 1 Buy at: Amazon.com (USA) Amazon.ca (Canada) Amazon.co.uk (Europe) eBay (USA) Used in: Ventilation (Qty: 1) A 6" vent is recommended.Tankless water heaters are vented in two ways: direct vent and power vent. Direct-vent units pull in air from outside the home or building and have two vents, one for intake and one for exhaust. This configuration allows tankless units to fit in smaller spaces; in fact, tankless water heaters save up to 16 square feet of space.6 Inch Wall Vent Cap - Aluminum - Screen Only - Heavy Duty Hooded Metal Caps - Fresh Air Intake Vent for Side Walls by Vent Works. 5.0 out of 5 stars. 4. $53.99 $ 53. 99. $6.24 delivery Mar 7 - 11 . Or fastest delivery Mar 5 - 7 . Small Business. Small Business.The Lambro 4 inch white plastic fresh air (hood style) intake wall vent replaces traditional “triangle louvered” intakes in today’s market. The redesigned intake vent is modern and helps prevent water from entering the vent with it’s hood style design. This intake is used mostly when gas appliances are present in the home or when today ...N/A. Brand: Active Ventilation UPC (GTIN): 843951007526 SKU: PV-20-C12 Category: The Pop Vent A Roof Louver Air Intake Vent. 20 inch Intake Roof Vent | Pop Vent Model PV-20-C12 The 20 inch Pop Vent Air Intake Vent is ideal for maintaining proper attic ventilation. The PV-20-C12 is 20 inches in diameter with a 12 inch tall collar.The intake air temperature sensor measures the temperature of the air entering a car’s engine through the intake manifold and relays the information to the engine control unit. The...Feb 4, 2022 · Yes. Fortunately, the architecture of high-efficiency furnaces means that they have their own fresh air intake systems that bring in fresh air from outside the house. How far can you vent a high-efficiency furnace? The maximum vertical distance that you can run a furnace exhaust is about 15 feet. N/A. Brand: Active Ventilation UPC (GTIN): 843951007526 SKU: PV-20-C12 Category: The Pop Vent A Roof Louver Air Intake Vent. 20 inch Intake Roof Vent | Pop Vent Model PV-20-C12 The 20 inch Pop Vent Air Intake Vent is ideal for maintaining proper attic ventilation. The PV-20-C12 is 20 inches in diameter with a 12 inch tall collar.Aug 23, 2022 · As a component of your HVAC system, a fresh air intake is designed to draw outdoor air into a specific space. As mentioned above, it serves many purposes, including improving indoor air quality, maintaining proper ventilation, and enhancing the overall efficiency of your heating and cooling system. The fresh air intake vents are strategically ... Amazon.com: fresh air vent. ... VENTS-US PS 101 Ductless & Passive Fresh Air Intake Ventilation Kit, Comes with Internal Grille, PVC Telescopic Duct, & an Exterior Sqaure Grille (No Motor) - Energy Efficient Fresh Air Intake. 4.2 out of 5 …Since 1946, Southwark Metal Manufacturing has established itself as one of the largest manufacturers of HVAC sheet metal pipe, duct, and fittings for ...Jan 30, 2023 · The fresh air intake is designed to provide a continuous supply of fresh air to the building, to replace air that is being expelled from the exhaust vents. It is also important to make sure that the fresh air intake does not introduce pollutants or unwanted elements into the building. The redesigned intake vent is modern and helps prevent water from entering the vent with it’s hood style design. This intake is used mostly when gas appliances are present in the home or when today’s home’s are built air tight. Fresh air intakes are …Types of Fresh Air Intake Systems. Direct Vent Systems: Pulls air directly from outside into the furnace. Indirect Vent Systems: Uses indoor air for combustion and an additional vent to exhaust gasses. Installation Considerations.427 posts · Joined 2007. #5 · Feb 26, 2008. Don't get fresh air and combustion air mixed up. Fresh air is for the living area and usually goes into the return air. Combustion air is the air that the furnace and water heater need to burn properly. Combustion air would be needed with any kind of furnace and water heater in any country.08-Jan-2017 ... New homes no longer have a combustion air duct such as that because they directly pipe combustion air right into the appliance. That combustion ...Amazon.com: fresh air vent. ... VENTS-US PS 101 Ductless & Passive Fresh Air Intake Ventilation Kit, Comes with Internal Grille, PVC Telescopic Duct, & an Exterior Sqaure Grille (No Motor) - Energy Efficient Fresh Air Intake. 4.2 out of 5 …Running vents and intakes under deck. We’re in the process of rebuilding our deck, and before the Legerboard goes on over the rim joist, we need to add a couple of vents and intakes. There’s an existing fresh air intake that runs to the cold air return (standard here in British Columbia,) and a dryer vent that’s too close to the intake ... The GRSI is a spun aluminum air relief roof ventilator for natural gravity or positive pressure systems. This model can mount either to a roof curb or with a flashing flange (GRSF) for quick and easy installations. Non-powered ventilators work on pressure differential between the inside and outside of the building allowing the intake of fresh air. Feb 4, 2022 · Yes. Fortunately, the architecture of high-efficiency furnaces means that they have their own fresh air intake systems that bring in fresh air from outside the house. How far can you vent a high-efficiency furnace? The maximum vertical distance that you can run a furnace exhaust is about 15 feet. 6 Inch Wall Vent Cap - Aluminum - Screen Only - Heavy Duty Hooded Metal Caps - Fresh Air Intake Vent for Side Walls by Vent Works. 5.0 out of 5 stars. 4. $53.99 $ 53. 99. $6.24 delivery Mar 7 - 11 . Or fastest delivery Mar 5 - 7 . Small Business. Small Business.An air intake resonator is a crucial component to an automobile engine’s intake system. It allows the engine to run more quietly as well as more efficiently. The air intake resonat...About This Product. Master Flow Fresh Air Vents come with a built-in screen to prevent bird entry. They can be used to vent a combustion system or anywhere fresh …Carbon canister. Readings came in above 4.0pCi/L. - Radon company came back, re-evaluated all sealings. and then added the small fresh air vent on the opposite side of basement from the suction point. - Tech said the purpose of the small (3 inch) fresh air vent was to bring air from the outside into the basement to change the pressure.The Under Eave Soffit Vent is an air intake roof vent. To clarify, Soffit Vents are roof vents installed underneath the eaves of a roof that extend past the warm wall line. When properly combined with other roof ventilation devices, soffit vents allow fresh air to enter into an attic to create proper airflow.Bring in fresh air through venting drip edge. This house has a very narrow overhang—6 in.—and square-cut rafters, leaving only 1-1/2 in. of “soffit” area between the fascia and frieze boards. This leaves little room for soffit-style intake vents. So instead, we ripped a 1-3/4-in. strip off the top of the fascia, leaving an open space ...ASHRAE Standard 6.2.1, Table 6.2.2.1 provides recommended outdoor or "fresh air" ventilation rates expressed in cfm/person or L/s/person as well as rates expressed in cfm/ft 2 or l/s-m 2 …A fan-powered freshair intake draws in a continuous 20 to 30 cfm. Below that, a five-zone air handler distributes conditioned air to occupied rooms below. Step 4. Install your 6-inch metal galvanized duct from the collar to the stub that comes in from the intake hood. Screw all joints together with sheet metal screws. For cut joints, crimp one end with your pipe crimper to fit it into the next piece. Right before you connect to the intake hood stub, install a 6-inch barometric damper. Fresh air ventilation can bring a little of the outside world into your home environment –fresh, outdoor air – while maintaining your comfort and the efficiency of your heating and cooling system. Carrier® fresh air ventilators work behind the scenes to remove airborne pollutants and refresh your indoor environment with minimal energy loss. Allows fresh air into an existing pellet stove installation that had been using inside air. Allows an installer to decide the best possible location for the air intake vent, not the same location as the wall thimble. The 2 in. Dia flex hose expands to approximately 10 ft.The instruction manual for our particular model of pellet stove explains that we have the following two options for air intake venting arrangements:. Venting fresh air from the room in which the pellet stove is located.; Venting fresh air from directly outside.; When venting fresh air from a room for a pellet stove, there typically doesn’t need to be any components …Dec 4, 2023 · That’s the power of an energy-efficient HVAC system with a high-efficiency furnace, utilizing mechanical ventilation and fresh air intake through an optimized airflow inlet—your invisible ally for indoor air quality, health, and comfort. This unsung hero of the HVAC system, nestled within the maze of ducts and vents, is a mechanical ... The 2" diameter, 18" length flex hose expands to 5'. Clamps included. Can be used in US and Canada. Patented. Features: Type: Wall Thimble with Air Intake. Collection: PelletVent Pro. Type L Biofuel Chimney Pipe Component. Allows Outside Fresh Air for Combustion Through the Wall Thimble. Specifications: Overall Dimensions: 13" (L) x 13" …Air vent covers may not be the first thing that comes to mind when decorating a bedroom, but they offer several benefits that can greatly improve the comfort and functionality of y...Locating and Managing Fresh Air Intake Vents. Fresh air intake vents are critical for indoor air quality. To ensure efficient HVAC operation, proper air conditioner …07-Nov-2008 ... Rule of thumb for adding outside air to return air is a minimum of 10 feet before the furnace. Still prefer not to do it up here. Condensation ...16″ x 8″ Intake Vent Fit in the Raised Panel of The Garage Door. Fully extruded aluminum construction for a stylish appearance. Fixed blades designed for long straight air flow. 4 attachment screw holes. 1/4″ Screened to deter insects. Blades are on 3/4” increments as standard at a 30 degree angle. Durable white powder coat painted ...23-May-2023 ... ... air is not neccessary, are usually contractors/property flippers selling a home that currently does not have a fresh air intake duct. Reuben ... AprilAire Whole-House Fresh Air Ventilation Systems dilute trapped indoor air full of airborne contaminants like allergens, chemicals, viruses, and bacteria. In addition, AprilAire Fresh Air Ventilation Systems help push trapped stale air outside by facilitating indoor air movement. Bring fresh air into your whole home to dilute all the ... Loyal reader Kathy Davies writes in with a great tip about keeping ice cream fresh. Avoid those ice crystals that form at the top of your ice cream by placing a piece of plastic wr... Pellet Stove Vent Pipe Kit,Outside Fresh Air Intake Pipe Vent Kit for Corn and Pellet Wood Stove,with Wall Plate Screen,2"X 60"Aluminum Flex Pipe and 2 Screw Clamps,Rust and Rain Proof 3.5 out of 5 stars 20 inch air intake roof vents are compatible with AVP's 6 inch tall, 12 inch tall, and 18 inch tall roof curbs. How it works: The Air Intake Roof Louver provides fresh air into the attic or plenum. Without proper rooftop ventilation, heat and moisture can cause decay of … Fresh air ventilation can bring a little of the outside world into your home environment –fresh, outdoor air – while maintaining your comfort and the efficiency of your heating and cooling system. Carrier® fresh air ventilators work behind the scenes to remove airborne pollutants and refresh your indoor environment with minimal energy loss. Easy to install residential fresh air intake hood ; Paintable plastic components contain UV stabilizer to reduce fading due to exposure to sunlight ... This product was easy to install and replaced the original 1985 air intake vent. This vent looks so much nicer. The product arrived in a timely fashion and I would purchase from this …
About Master Flow™ Fresh Air Vent. Master Flow™ Fresh Air Vent can be used to vent a combustion system or anywhere fresh air intake is needed. Sturdy galvanized steel construction includes a built-in screen to help prevent bird entry. Product availability is subject to change without notice. Not all products are available from all facilities. . Iphone xr trade in value
Rafter vents, or insulation baffles, are installed in an attic’s rafter space and create narrow gaps that direct fresh air from the soffit vents to the roof’s peak. Without affecting the ...I've had this wood burning stove for a year now. It works great but it could be a little better.A lot of people (including the install instructions) recommen...24-Sept-1991 ... For example, it was shown that the placement of fresh air intakes upwind of exhaust vents for the prevailing wind does not guarantee minimal re- ...Mar 14, 2013 · How to identify and inspect your home's intake air vents for good furnace maintenance. Imperial Fresh Air Intake 5 In. Fresh Air intake brings fresh air from the outside to a high efficiency heating appliance. This includes furnaces, water heaters and boilers. ... Designed for maximum airflow and energy efficiency, this vent cap features an innovative damper with an airtight construction that helps prevent back-draft and heat ...29-Jul-2017 ... Can someone tell me where the fresh air intake on my truck is? After sitting most of the winter when I first start my truck in the spring I ...Air Intake Vents. The lack and / or limitation of fresh air intake is one of the important causes of the presence of condensation, mildew and deterioration of the insulation in the attic. Maximum Ventilation Ltd. has studied these issues and designed and developed unique products that will resolve these deficiencies while respecting the ...Soffit Vents (Most Popular Intake Vent) Continuous soffit ventilation pictured along the eaves of a roof. Soffit ventilation is by far the most popular form of roof intake venting. It forms one half of the most popular combination of intake and exhaust; soffit vents (for intake) with a ridge vent (for exhaust). 4 in. Fresh Air Vent. (31) Questions & Answers (11) Hover Image to Zoom. $ 22 88. Integrated screen prevents the entry of birds. Steel design resists temperatures up to 390 F. Galvanized exterior keeps corrosion away. View More Details. AprilAire Whole-House Fresh Air Ventilation Systems dilute trapped indoor air full of airborne contaminants like allergens, chemicals, viruses, and bacteria. In addition, AprilAire Fresh Air Ventilation Systems help push trapped stale air outside by facilitating indoor air movement. Bring fresh air into your whole home to dilute all the ... Lambro Industries sells our 8 inch Aluminum Fresh Air Wall Intake Vent - Screen (No Damper) - Item #3480NDS at your favorite HVAC retailer. See specs on our site.When it comes to maintaining a comfortable and well-ventilated bedroom, having a high-quality air vent cover is essential. Not only does it help regulate airflow, but it also adds ...Car Air Intake Grille,Universal Aluminum Alloy Bumper Vent Intake Circular Air Flow Inlet Grille Air Inlet Ventilation Mesh Inside Diameter 75mm Outside Diameter 100mm Height 48mm. $636. FREE delivery Tue, Oct 17 on $35 of items shipped by Amazon. Or fastest delivery Tue, Oct 10. Only 1 left in stock - order soon.Advertisement In most air-conditioning systems, the condenser unit is located outside the house and is prone to accumulate dirt and debris from trees, lawn mowing, and airborne du...Nov 13, 2012 · Learn how to identify which vents on your home are fresh air intakes and which are exhausts. Learn more at http://www.acclaimedfurnace.com 05-Mar-2009 ... If you dont have the inside air circulation mode lit up, you will get fresh air from the outside. The logo looks like 3 arrows forming a circle.PelletVent Pro 3 Fresh Air Intake Kit with 2'' Flex Hose - 3PVP-AIK, Model:, Tools & Outdoor Store. 54. $6995. $6.50 delivery Tue, Jan 2. 3" x 5' Outside Air Kit for Pellet Stoves Complete with Protective Screen. Fits Stoves with a 3" Exhaust Pipe Such as Several Harman Pellet Stoves and Many Others. 4.The Lambro 4 inch white plastic fresh air (hood style) intake wall vent replaces traditional “triangle louvered” intakes in today’s market. The redesigned intake vent is modern and helps prevent water from entering the vent with it’s hood style design. This intake is used mostly when gas appliances are present in the home or when today ...Plastic Wall Vent w/Fixed Louvers 8 Inch Pipe White | Air Intake/Exhaust Applications + Avail. in Brown or White + 1 in. Collar and Screen + All-Weather ...PelletVent Pro 3 Fresh Air Intake Kit with 2'' Flex Hose - 3PVP-AIK, Model:, Tools & Outdoor Store. 54. $6995. $6.50 delivery Tue, Jan 2. 3" x 5' Outside Air Kit for Pellet Stoves Complete with Protective Screen. Fits Stoves with a 3" Exhaust Pipe Such as Several Harman Pellet Stoves and Many Others. 4.A 10-foot separation reduces the likelihood that stale air is drawn back into the home through the fresh air intake. The code requirement for an intake is that it must be 10 feet from any hazardous or noxious contaminants. The most likely qualifying contaminant sources in a house would be plumbing vents and/or combustion exhausts. <.