AC Infinity AXIAL S1225, 120mm Muffin Fan with Speed Controller, UL-Certified for Doorway, Room to Room, Wood Stove, Fireplace, Circulation Projects

Depending on their experience with an earlier version, some reviewers may have opinions based on It's quiet at lower speeds and "moves air all the way down the dial. I bought the 120mm fan from Amazon, and it's both quiet and it moves air all the way down the dial. As a general rule, fans of 'Muffin' possess these three characteristics In the specs, you can find information about air movement, noise, and cost. There are three types of financial metrics CFM, BPS, and dollars. If you want a specific size fan, you can select two of the three options- The size of this one is 120mm by 120mm. A lot of air needs to be moved by the fan, so it needs to turn very fast, which makes more noise. As a result, a quieter fan will often be more expensive, since the fan blades and housing will generate the noise. Based on research reports of fans and aircraft starting over 100 years ago, there is quite a bit of science in regards to fan design ('propeller'). square of the speed determines air resistance, which is a fundamental principle. Almost anyone who rides a bike can tell you that. When a fan turns, it refers to the how fast the air passes over the blades. As a result, the volume of air moved does not change The RPM increases linearly with the increase in speed. When the fan is running at low speed, it will move more air per revolution than when running Increasing the RPM also causes the fan to make more noise due to the non-isolating bearing system There will be linear air resistance and it will take a disproportionally higher amount of power. Here's how the fan controller works. The 'top-list' does appear to be the most powerful underdog, but it isn't the best if you just look at it and feel it The top third of the dial makes less difference is air movement compared to the bottom third. The pressure of the fan in the enclosed space or the air pulled out can affect air movement, again based A restriction at the inlet end of the fan is more likely to reduce the amount of air moved than one at the output end. The manufacturer is asked to answer the following question According to the listing, it mentions "noise" in relation to sound. Is there also a reference to Oh, what a pity.

Chaim Horne

| Oct 13, 2020

The AC Infinity package includes everything one needs for most mounting scenarios, and everything is packaged in such a way that no damage is done to the fan during shipment. There is some noise from the fan, but it is A small amount of noise of air moving occurs as a result of the fan's speed control, as well as a slight buzzing from moving air (unavoidable if one actually wants to move any significant amount of air with the fan). It is a relatively quiet operation overall. How and where you mount the fan has a great deal to do with its performance. As I used my fan for a cat litter box and closet, I was providing a quiet exhaust for the space Whenever the fan stays near the lowest speed, it provides well-ventilated air with low noise. I exhaust the air into the attic using a flexible aluminum dryer vent tube. The first thing I tried was a rigid 4" plastic drain pipe. But a fan and pipe created a musical instrument with a high resonant frequency. There is no such thing This problem was solved by using a rigid dryer vent tube.

Kristian Hansen

| Oct 20, 2020

This is the one to get if noise level matters to you. The machine moves an amazing amount of air even at the lowest speed level, which is very, very quiet (rated at 16 dB). In the end, it brought my cabinet temperature By comparison, the new Fan doesn't even come close to the previous model. Most of the time, I keep my computer running at the slowest speed. However, since I leave my PC on for days at a time, I sometimes crank it up to full speed, so the cabinet actually gets cooler. When working with installs like these that back up against walls, consider fabricating or buying a low profile vent to channel the flow of air sideways along the wall rather than allowing air to just blow into the wall and cause Furthermore, I would like to suggest that if the airlet openings are properly sized and placed, you can enhance the impact of the fan bringing air into the cabinet at increased speeds for specific items contained within the cabinet. While I don't show them here, on previous installs with less powerful fans, the intake openings were larger. In the case of the smaller fan next to the computer (the one on the right side) it caused a faster airflow directly into the computer when I made it smaller. The first one I bought has exceeded my expectations. I would definitely buy another one. It will be judged by time, but I expect these things to last at least 5 years, and this one is said in the description to be German made, or maybe designed, but actually the box says "built in China. " It is rated for 67,000 hours. It will be interesting to.

Lana Shepard

| Mar 13, 2021

It was difficult to find the right canopy AC fan and mounting bracket for my aquarium. Thanks a lot for making this set available to me, as it was a perfect replacement for my old fans, which had ballasts and fluorescent lights that had gone bad. All I needed to do was drill a few holes and mount them in place. The holes could have been marked better if a template had been included, but I didn't have much trouble marking them of my own accord. Hopefully not too much of a bother. In the instruction manual, it didn't mention which hole saw size I needed for my specific fans as the instructions were meant to cover multiple sizes, but again, I figured that out on my own pretty easily. On both fans, the plug outlet interfered with the bolt holes, so I had to force them into place, which always feels bad when dealing with electronic devices. I gave it four stars instead of five because on both fans, the plug outlet interfered with the holes where you place the bolts. In the second fan, my fourth hole was left open and it was not mounted. I was able to use it just fine, but I do think there was a manufacturing flaw that should have been In terms of noise, I don't think they're too loud, although a few other reviewers found them to be so. It depends on your point of view, I guess. Furthermore, they are definitely louder than my old DC fans that I used to have. Overall, these fans are fantastic. I am extremely pleased with them. I liked how easy it was to install and they keep the light fixture really cool, which is what I had in mind. The next time I buy them, I will definitely consider.

Chelsea Barber

| Sep 02, 2021