RB
Solid mug warmer with data
Mug Warmer - 36W Coffee Mug Warmer for Desk with Temperature Display, 2-12Hrs Auto Shut Off, Smart Candle Warmer - Ideal Coffee Gifts Accessories Keep Beverages Coffee Warmer (Wood) (Wood)https://www.amazon.com/dp/B0CCP46DK9Purchased December 2025TL;DR ("too long;don't read" summary): overall positive.Pros:Broad base gives a sturdy supportHeats up quickly (within a minute)Three temperature settings: 130, 150, and 175ºF (but..)Different color for each ttemperature: : 130 (blue), 150 (purple), and 175ºF (red)Memory: the unit remembers your chosen settings the next time (providing ...)Timed auto shut-offManual push button switches for power, shut-off time, and lightingAttractive faux-wood finishCons:Gets very hot in the middle, especially with concave-bottom cupsNot much difference among the temperature settingsMemory setting requires you to press the power switch mutliple timesSwitch placement on front of unit makes it hard to see and push without sliding the whole unitMaybes:Actual temperature(s) wildly inaccurate.. but who cares what the number is as long as it does its job.The surface is not quite as easily cleaned as advertizedI bought this to replace a previous cup warmer that went kaputt after 3 years ("Coffee Mug Warmer, Cup Warmer for Desk with Auto Shut Off Smart Temperature Settings...", https://www.amazon.com/dp/B08JH1QY6P)I've been using this for about 4 months now to keep my coffee cup warm while working on the computer.The first thing I noticed was that the heating surface gets very hot, even on the lowest setting ("130ºF"), hottest in the center and progressively not so hot towards the edge (as makes sense). Since I often hold the cup bottom in my hand or lap while thinking about what I'm doing on the computer (or just daydreaming), this could be disconcerting.Curious, I measured the surface temperature on the 3 settings using a laser infrared temperature sensor (not medical thermometer) [Kizen Infrared Temperature Gun - Handheld Surface Infrared Thermometer https://www.amazon.com/dp/B07VSHR9M6]. Given the known problems with using such a device in terms of calibration, distance and positioning, this was just for comparative measurements. Also, I didn't make multiple measurements to average experimental variation.. too lazy now that I'm retired from lab work.This confirmed my burnt-finger test that the center gets very hot and tapers off towards the edge (see picture).Interestingly, there was not much difference in the equilibrium temperature (what it settles down to after an hour or so). The graph in the picture shows how it heats quickly and then adjusts with time; I assume this is a design choice and a good one, since it gets you going quickly before coming down to a more moderate temperature.Some other observations:* The memory feature is good, but... the way it works is this. you set the desired temperature (let's say 150) by repeatedly pressing the power button and wait 10 seconds to allow it to remember the setting. Then if it turns off automatically after a time out, the next time you press the power button, it starts with your remembered setting (i.e. 150ºF). But .. if you want to turn it off manually, you have to push the button twice (in this example) in succession because the first press selects the next temperature (130). If your desired setting is 130ºF, no worry.* As other reviewers have noted, the pressure needed to work the push button switches is hard enough that it moves the whole unit unless you use two hands (one to hold the unit); also it's hard to tell where the button is unless you look from the side (front). I fixed this by placing it on a polymer trivet (see picture).* Cosmetic issue that doesn't affect its use. After some use, I noticed residues from dripping coffee. (this is visible in the picture). A fresh spill is easily cleaned with a damp cloth (after cooling of course), but after a while, it can get baked into a hard layer that defies easy cleaning. I didn't want to use an abrasive cleaner on the ceramic top. But, remembering an old geezer trick for cleaning your windshield, I used a single-edge razor blade to carefully scrape off the gunk. There was still a little stuck around the embossed lettering.Here's what I did to tame the beast.1. I took a metal cooking grate ["HARFINGTON Round Cooking Rack 6-inch 201 Stainless Steel Cross Wire Barbecue Grill Net with 20mm Legs.." https://www.amazon.com/dp/B0C9LPVP8X] and ground off the legs to provide a convex surface above the heating block (picture). With this setup, the cup bottom gets warm-to-hot but not burning hot and yet keeps the contents warm.2. I marked the position of the power switch with a dab of White-Out© so it's visible from the top.I also placed the unit on a trivet to keep it from sliding (another reviewer did this to insulate the bottom from the table).The last picture shows the final setup.Ver másVer menos
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