Delta Breez GreenBuilder GBR80HLED 80 CFM Exhaust Bath Fan/Dimmable LED Light with Humidity Sensor

The install of the fan went smoothly. I was replacing an existing fan of the same size, and it went right into that space.The bit that confused me for a while was the mode switch. On the Humidity Sensor version, you've got three pairs of wires; 1) Light 2) Fan 3) Mode. The Light circuit is simple enough, give it power, the light comes on. It is affected by nothing else.The Fan circuit, when energized, means that the fan will toggle between low and high speeds based on the humidity in the air. Actually, it will run until the humidity falls below the set level, and then run at full-speed for an additional ten minutes. Also worth noting that the "low speed" can be 0, turning the fan off. The Mode circuit tells the fan to run at full speed, regardless. This is useful for when you want to air out the bathroom, and I'll just leave it at that.So to set this up the way they'd like requires three poles, which could be a three-pole switch, three individual switches, or a combination therein. I didn't want to use up all that space, or have tiny switches, so I wired the mode and light to the same switch, and the fan to its own switch. That when someone turns on the light (above the shower) the fan kicks into high speed, and continues to run after the shower, even with the light off, until the humidity is gone.It took several readings of the instructions to think this might be an option, so hopefully someone else sees this and finds it helpful.

I searched far and wide for a bathroom fan. It isn't easy. I needed a quiet one (1.0 sone or less), for a small bathroom (80-50 CFN), energy efficient with an LED light and humidity sensor. This fit the bill. It was relatively easy to install considering my limited skills. I am using it on one switch that also works the main bathroom lights. There are options to wire the light and the fan and the humidity sensors each separately. I cannot get the humidity sensor to turn the fan on or off yet, it is always on. This might be a limitation of my wiring option. The light is very bright and not adjustable, but it is perfect in my bathroom. I didn't realize how dark the shower area was before. The fan does a great job of reducing humidity and the mirrors are nearly all clear during and after a shower. The mildew problem is under control again. This is not a glamorous purchase and I balked at spending over $100 on it, but it does the job well.

LED light is "warm" colored and does not match the other "daylight"/pure white bulbs in the bathroom.The fan is quiet in both the low speed and high speed (triggered by humidity) modes. High speed does not seem to move as much air as I expected (the water vapor doesn't look too be getting "sucked" into the fan), but that may be due to the 16 feet of vent duct I had to use.Wiring is a bit tricky if you don't want 3 switches like the directions advise. I let the "mode" wire disconnected and put the main fan power wire on a countdown timer switch (Lutron MA-T51MN. - must be the MN model to work with this fan). On the fan itself I left the default settings at 60% humidity and 50CFM for low speed mode (when I turn the switch on). The LED light is on a Lutron LED dimmer switch that works well.This fan was tricky to retrofit into an existing ceiling and is clearly built for "new work" before drywall is hung. Because of this it's difficult to get the metal lip to stick out from the ceiling surface and therefore the fan cover can't catch the lip and tends to twist instead of centering itself.

I replaced my old ineffective noisey fan with this. The installation was super easy since I have attic access. It fit right in the existing hole. The fan is very quiet. I can barely hear it over the running shower. It's also quieter than the space heater I have in my bathroom. The humidity sensor is great. It kicks on a couple minutes after I start my shower and stops a little while after. I can now hang my towel in the bathroom and it will actually dry out. We made the change primarily because we noticed bacteria growth in the tub. There's been no sign of growth since cleaning and installing this fan.The fan with light and humidity sensor calls for 3 switches. I followed the advice of many other reviews on here and hooked it up to my existing 2 switches. I hooked the light to my existing light and the power wires to my existing fan switch. I then capped the wires for mode. The light works normal. I keep the fan switch to "on" so the fan works only on sensor mode.

It's an okay fan. I like the mosture sensing feature. The airflow is good but not great in my small bathroom. I expected better for 80cfm for a small bathroom. The fan also makes more noise than I would have hoped. You can hear the damper flap which gives it a cheap sound. Overall the cost of the fan makes it attractive compared to others but I would probably not buy again. I would recommend if someone is highly sensitive to price and needs the extra features of this fan.

I read the reviews and I am very happy with this. I find it very quiet and easy to install but I did a full bathroom demo and have a short hose run. So you have "Power" (power to unit) "Light" and "Mode" (power to fan). So the way I did this was to put "Power" on the line side and both "Mode" and "light" on the load side of the single switch. This way the fan and light come on when you turn the switch on. Because "power" always has power the fan will stay running even after the switch is turned off. This is great for my kids that would not remember to leave the fan on. Note the fans goes off with the light unless the humidity is above set point (you set) and stays running till down.