AC Infinity AIRTITAN T7, Ventilation Exhaust Fan 12" with WiFi Temperature Humidity Controller, EC Motor for Crawl Spaces, Basements, and Garages

This product is about as well engineered, as well documented, as well packaged, and as well supported as it could possibly be.First, the engineering: The stainless steel face plate is precisely cut and plenty strong. Easy to locate and drill four corner points for a simple install over the foundation opening. It will remain rust-free. The twin fans are removable and reversible if you'd prefer to pull air into your crawl space. They come preset to exhaust air out of the crawl space. When the fans are on, you cannot hear them unless you are 3-4 feet away. No vibration, no wind noise. I have had it running nearly non-stop for about a month now with no sign of overheating or any change in noise level. The unit and controls just feel solid. I bought it to replace the loud, single motor exhaust fan I had under the house that I got from a home improvement store. That one always ran hot and probably used lots of power while only exhausting 160 CFM. If I read correctly, this unit only uses a few watts but draws 240 CFM. It should save electricity.The documentation: This is not one of those skimpy, poorly translated instruction sheets. The documentation booklet is complete, well written, and extremely easy to follow. It addresses every feature in clear English with plenty of illustrations. You will have no issues understanding every function if you just read the instructions first.Which leads to packaging: It is a crawl space fan, but it has a velvet lined box. The packaging says the manufacturer really cares about quality and put lots of thought into the product from beginning to end. It was packaged like high-end electronics, which it is, but it was still under $100. Everything you need to install and operate the product is included, including power supply, programming control box, and wired sensor cable, all connected with cables supplied.Finally support: I got the unit with the thermostat and humidistat built in. You will need a 120V outlet under your crawl space to plug it in. I did not need any help to figure it out in just a few minutes, thanks to the documentation and what turned out to be an amazing, free AC Infinity app you download from the App Store. The control box with digital readout stays under the house, so I rely on the app to tell me the temp (F or C) and humidity (%) under the house at any time, anywhere (also kPa, but I don't need that), and it even graphs trends or sounds alarms/sends alerts if you want. You can control and change all settings via the app, too. I had a remote digital temp and humidity sensor under the house already, and the readouts are within 2% of each other. Temp is right on.I have the product set to come on if temp OR humidity rises above a certain point. The thermostat and humidistat work concurrently, as they say. Either one (or kPa) can turn the fans on (or off) independently depending on how you set it. You can set upper and lower fan speed from 0 to 10 so that "off" is either truly OFF (0 RPM) or just a lower RPM, and "on" is max RPM or something less, all on a scale of 0 to 10. You can set a range for all control parameters so that "on" and "off" are separated by whatever degree or % you choose in auto mode. It can also be set to work on a timer, to cycle on/off as you choose, or work on a certain daily schedule. Hard to imagine more programability, but it is very intuitive. If you can set an alarm clock, you can set this thing.Highly recommended!

I received my order today and had this bad boy installed within a couple hours. This fan packs a punch for a small crawlspace. It dropped the temp by 3 degrees in the first hour. I’ve been having an issue with heat getting trapped under the split level of my home and making the area of my house above it extremely hard to cool. I also have a floor drain under there that always has an odor regardless of what we do. After reading mixed opinions on crawlspace ventilation fans due to moisture issues, I decided just to test my theory that sucking the stagnant air out would help our issue until we are ready to encapsulate the space. I live in a very dry climate so I haven’t had any moisture issues, just the 2 issues stated above. It took 5 minutes to install and maybe 10 to drill a hole in the wall and thread the thermostat and cord through. As of day 1, I think this is our solution to our problems, at least for now. I was excited to get it installed so I just sealed the open areas with duct tape, but I plan to properly seal the fan into the vent hole, as well as installing an outlet rather than an extension cord, however I don’t think these changes will affect the results or my opinion on the product. For the digital thermostat we ran the cord through a hole in our basement bath and secured it to the wall. It is a clean sleek design that blends well into our matte black paint and also has a clock on it which is nice to have on the wall. My only issue so far is getting it to connect to my phone. I’ve tried both Bluetooth and wifi to no avail. I plan to try it on my husband’s android phone later. It is a super quiet fan. I can only hear it if I am standing within a couple feet. I would compare it to your standard PC or Gaming system exhaust noise.I will update this review if anything changes or I find anything I feel needs to be mentioned to buyers. As of right now I think this is a solid buy for those looking for an affordable way to move air from one place to another.

Easy to connect, Not as much air flow as I thought.

Originally I purchased a different brand exhaust fan for more money and was disappointed that the fan speed was only on/off, not variable. Did a bit more research and bought this unit instead, and I am actually amazed by how full featured it is, for less money.Key features: the probe detects temperature and relative humidity, and will RAMP UP the fan speed when it gets to your chosen temp/humidity level. You can also adjust the rate of ramping (ie: 1 speed setting per every 1deg, 2deg, 3deg, etc over your target). You can create schedules and even orchestrate multiple units to be controlled from the same control unit.There is an app! I expected it to be disappointing because of a reviewer in the app store who claimed they couldn't monitor data or get alerts when away from their home network. This proved to be FALSE. I was paddling on the lake today and checked in on my greenhouse temperature and humidity levels, from my paddle board.The fans are super quiet and you can set a minimum "always on" speed. If there's a feature you can imagine, this setup will accommodate you. I am rarely this impressed with a purchase, but this one absolutely exceeds my expectations, again and again. Got one regulating the temps/humidity in my greenhouse and, based on this experience, I just bought a second unit to manage humidity in our walk-in-closet. Above and beyond, AC Infinity. Thanks for the quality product.

Havingbissue with moisture under my house and this is doing great helping to circulate the air.