In this video, This Old House general contractor Tom Silva helps a homeowner install an energy-efficient whole-house fan. The basic design is simple: An attic-mounted fan pushes hot air out through attic vents and draws cooler, outside air in through open doors and windows. For the fan to work, the attic must be vented and doors or windows must be open in the rooms below. See which names were most popular this year! Example: … Simply pull the ceiling grill through the drywall opening, then place and fasten the decorative cover. Get references of past work performed. © Copyright 2020 Meredith Corporation. By suspending the fan from the rafters, we reduce vibration and ensure your whole house fan is whisper quiet at all times. If several cables enter the box, use a voltage detector to make sure all power is off. … We walk you through the pros and cons and help you choose the best option for your home. If you’re a beginner baker who’s just starting out (or a master chef looking to declutter), start with this list of baking tool must-haves. To determine how much attic ventilation you need, divide the fan's CFM by 750. Most of today’s whole house fans are simple enough for an somewhat handy homeowner to install on his or her own. A powerful fan motor system featuring a gravity inline damper to prevent energy loss and 18” flexible, “whisper quiet” acoustic ducting. This diagram shows how to wire a two-speed switch. Plug in your whole house fan’s electrical cord into the control box. They’re designed to enhance your existing HVAC system and work by drawing in cool air through one or more open windows and circulating that air through each room before it’s pulled into an attic vent and blown outside. BH&G is part of the Meredith Home Group. You'll need about eight hours to run cable and install a fan with a wall switch. Support. Raise the whole house fan up through the hole in the ceiling and set it onto the top of the gasket. Unpacking the Components of your Whole House Fan System. Writing from St. Paul, Minnesota, W Ramsay wants some feedback on his plan to install whole-house ventilation fans in the house he’s building. Some units are programmed with a thermostat-controlled ventilator, which opens when the attic reaches a certain temperature. Our whole house fans are made right here in the United States and include a 10-year warranty on all parts. You might need a professional to do this for proper wiring, new attic vents if need be, and measurements. Step 1 - Select the Fan's Location. 6. what I came up with after much searching has been a PERECT solution for us. Build a frame of 2X4s, lay it flat and squarely on the joists, and fasten it firmly. Make sure you're comfortable splicing and connecting wires to terminals, installing boxes, running cable through walls and ceilings, and cutting and attaching boards. Center the fan over the frame. Our ceiling grills (also known as a ceiling box) are designed to suit your needs and easily install in either a ceiling or a wall. Master Flow ® Whole House Fans are smart energy savers for any climate where air conditioning costs are a concern. It is a window mounted whole house fan. Then run cable and install a switch box. When installing a whole house fan, be sure to provide proper support and seal the unit into the rough opening in the ceiling. A whole house fan is a large fan installed in the floor of your attic or at a home’s highest point (the ceiling of the top floor of your home). WHOLE HOUSE FANS Models: CX242DDWT, CX302DDWT, CX24BD2SPD, CX30BD2SPD, CX36BD2SPD Read all warnings and instructions before beginning to install this fan. 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