How To Install A Whole-house Ventilating Fan?

How To Install A Whole-house Ventilating Fan

Keeping your home fresh and a ventilation system is most important for the people. An entire house has a fan that pulls fresh air to every room. It would come better with an open door or window. It will help one to get on the attic. 

What gets most important for the fan to work? It comes with an attic with ventilation and doors or windows that would get open in the room. In the winter season, one needs to keep the shutter of the fan close tightly. Even one needs to place the insulation on the fan to avoid the heat entering the room. 

Installation of the fan gets simple. Here you firstly need to locate a spot for the fan in the ceiling from the top floor hallway. Then, make everything from the top of the exposed joist or frame to open it properly. 

For this, one needs to have at least eight hours for running cable and installation of fan with the help of wall switch. Make sure that you always have compatibility with splicing. One needs to connect the wire to terminals, install boxes, running the cable from the wall, ceilings, cut and attach boards. 

Also Read: How to Repair a Chandelier | Latest Bed Design In 2021

You Need The Following Type Of Accessories To Make Ventilation Of Fan:

  • Electrician’s tape 
  • Fish tape 
  • Switch 
  • Three-wire cable 
  • Wire nuts 
  • Whole house fan 
  • Remodel box 
  • Nonconductive ladder 
  • Circular saw 
  • Drill 
  • Drywall saw 
  • Longnose pliers 
  • Stripper 
  • Hammer 
  • Screwdriver 
  • Lineman pliers 

Before Starting, Make The Selection Of The Size And Capacity

A fan should at least exchange the air every four minutes to make a house properly cool. A faster exchange of air comes as faster cooling of the home. 

Makers offer several sizes of whole house fan size. But you need to make the selection of particular size and capacity. For this, you need to make a total of the square footage of your house. After this, could you consult with a sales associate about it? Or else you can read out manufacturing literature for choosing the right size of the house. 

In general, you need to purchase the fan rated high with multispeed switches. Therefore you will always be able to adjust the power downward. 

Check out the steps mentioned here side. Then, you make a perfect installation of the entire house ventilated fan. 

STEP#1: Cut Down The Hole For The Switch Box 

Make a cut and hole for the switch box to enter the wall below the fan. Next, you need to make a three-wire cable from the ceiling plate to the hole. 

STEP#2: Find A Joists 

It would help if you positioned the fan in a manner that rests on the joists from either side. Here one joist should surely run from the middle. One can also make use of a stud finder for finding center joist. Later you can cut a locator hole and measure for finding the exact location from the joists.  

STEP#3: Cut Down A Hole For The Fan 

One needs to make a hole according to the description of the manufacturer’s directions. You can even lay pieces of plywood from the attic joists to provide safe work on the surface. Then, work down with helper on the attic for lifting the fan into the place of hole. 

STEP#4: You Need To Build And Fasten The Frame 

Firstly you need to remove down all installations which come up in the way. Here it would help if you made the fan blocked for filling the gaps in between joists. Next, you need to cut blocked from lumbar for the same dimension as per joists. Lastly, build a frame of about 2X4. After this, you can lay it flat and squarely for the joists. Finally, one can fasten it firmly. 

STEP#5: Attach The Fan To The Center 

It would help if you placed the fan over the center of the frame. Later attach it with the driving of woods screws through brackets. Finally, you can find it in the frame itself. In short, the fan should get fixed in the frame without any issue. 

STEP#6: Switch Off The Power 

Switch off the power from the circuit which you use daily. For example, suppose you make use of the junction box for the attic. In this case, you can accommodate the circuit and pull off the power from it. 

Also, you can make use of a voltage detector. It will help you to make sure to make the power off completely. 

Listen! Suppose you don’t have any usable power source for the attic. In this case, you can run the power up via switches in the wall then adjust it to the fan. Also, check that adding the fan power to nearby fixtures doesn’t create the situation of overload. 

Lastly, shut down complete power from the circuit. Tap on the power source. Run down the cable and make installation of the switch box. 

STEP#7: Run Cable 

 Remove all types of knockout from the slugs. Even one can run down with three-wire cables. One can check out the fan to switch from the fan. The fan, which has a cable, can whip down with reach to the junction box. One can also run down to the intermediate box. You are run down the cable using the junction box in your area. 

STEP#8: Connect And Splice 

Make the junction box and connect it further with grounds and splice with all white wire boxes. One can also expect the one running method for the switch. Mark up this area with black tape. Further, you can splice it with the black wire running down with the fan. Finally, splice together all the black wire and red splice wire. 

STEP#9: Make The Connection With Leads 

At the switch hole, one can clamp the cable with a remodel box and install it inbox. For using the two-speed switch, one can mark up white wire using black tape. Also, you can connect it with black switch leads. First, splice down the red wire to the red lead. Then, make the blue lead with black wire. 

One can also use the two-speed switch show, which switches options include a sliding control. One can also make use of toggle. It might return to the power level when turning it on and off. Also, make use of three-level levels of the toggle switch. A three-level of sliding switch along with a timer and a pilot light toggles. Make sure that you only make use of the switch as per fan rated. 

STEP#10: Check Out Tension 

You need to check out the fan belt tensions. Press down the deflected 1/8 inch of the switch. If essential, you can even follow up the instruction from the manufacturer to adjust with tensions. 

Make a not all entire house fan comes as belt-driven. Some also come up with blades that directly run based on the motor. 

STEP#11: Make Attachment Of The Shutter 

You need to cover the entire hole in the ceiling with the help of some person. Lastly, drive the screw into the joists and attach it with the shutter firmly with the ceiling. Restore down the power and test it further. Make sure that the shutter you adjusted would open and close down in a good manner. 


You would surely like the making of the ventilation process as per the installation of a fan in the ceiling. So make sure you follow up on all the steps well without fail. After this, you can observe your best results without delay.

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