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Review: The perfect coffee mug warmer! - If you need a coffee cup
warmer for your desk or work-station, this is it! I've been using
almost daily for several weeks now and zero complaints thus far.
As with many-a-reviewer, the problem I was trying to solve is my
coffee going cold long before I was done with it, leading to
repeated microwave rewarm sessions. After reading through
numerous reviews, articles on the matter, and forum postings, I
settled on this product. My requirements: - I did not want to use
a specialized cup - I did not want to have to find "flat-bottom"
cups, I wanted to use any cup in my cupboard - I wanted the
coffee to stay hot, not just warm - I needed auto-off, since I
surely would forget to turn it off - Idiot-proof controls This
product's description seemed to check all the boxes, and it
delivered! I've been using for several weeks and it's been
perfect. It works with my regular ceramic coffee mugs, and on
high setting, keeps my coffee pretty hot (130F). All my ceramic
mugs are concave bottom - look at picture in my review - so
that's why it only gets that hot on High. A flat-bottom cup may
only need Medium setting since it would have more contact area
for heat transfer. The faux-wood trim makes it look sorta classy,
and although it is large, it doesn't look absurd on my desk, and
I'd rather it be bigger than my cup, rather than too small. And I
imagine I could use it to keep soup or other food warm on my
desk, since I also take forever to finish food when I do eat at
my desk. The faux-wood trim does not get hot-to-touch, so it also
prevents burns from accidental touch. The surface is, of course,
very hot but no little kids or cats in our house, so that wasn't
a concern for me. I'm glad I went with this 36W option, even
though some articles I read indicated this was overkill. As
mentioned above, I imagine I need the higher wattage heating
element because I use regular concave-bottom coffee mugs. I have
it plugged into surge protector that powers my tower PC and 4 UHD
27" monitors, and I haven't tripped anything yet. 36W is even
less than what a fast-charging laptop charger would pull, so this
doesn't seem excessive for a workstation. FOOD SAFETY WARNING: As
a former research lab assistant that grew bacterial cultures as
one of my duties, I'd like to remind people to keep in mind that
the danger zone for bacterial growth is ~40F to 140F, especially
with dairy creamers. To test temperatures, I used a ceramic
concave-bottom mug (starbucks mug in picture) and a metallic
flat-bottom mug (green mug in picture). Here are the liquid
temperatures I measured for this warmer: - Ceramic convex-bottom
mug, Warmer on High: 130F - Metallic flat-bottom mug, Warmer on
High: 175F - Metallic flat-bottom mug, Warmer on Med: 150F As you
can see, the concave-bottom makes a significant difference in
heat transfer, and thus the temperature of the liquid. Use common
sense on how long you leave your coffee on the warmer. Coffee at
130F is probably fine for a couple hours, but if you're gonna be
leaving it all day, you'll want it to be at 140F+, so use a
flat-bottom cup. The metallic one I have got real hot to the
touch, including handle and lip of cup, even at Medium, so you'll
probably want to use a ceramic one.
Review: Powerful Mug Warmer with Excellent Heat Output and Large
Heating Surface - CAUTION: Unplug when not using. It is very easy
to activate or turn on by mistake. Simply brushing up next to it
will turn it on. Nonetheless, I use this SWEETFULL coffee mug
warmer every morning and afternoon. It’s usually one of the first
things I turn on so I can preheat my latte cup before pulling
espresso. I like my lattes very hot, and preheating the cup helps
prevent heat loss during extraction. I also use it as a candle
warmer as an alternative to open flame, which I prefer for indoor
air quality. The heat output is impressive. Even on the lowest
setting, it gets very hot and reaches usable temperature quickly.
The large heating surface is a major advantage. My latte and
cappuccino cups have a wide mouth, and this warmer heats the
entire base evenly rather than just the center, which makes a
noticeable difference in temperature retention. Warm-up time is
reasonable, though slightly faster heating would make it even
better, especially during busy mornings when I’m trying to get
out the door. That said, it’s not slow enough to be a real
drawback, and once it’s hot, it performs consistently. Overall,
this is a strong performer that does exactly what it’s designed
to do. It’s a great option for coffee lovers who want hotter
drinks for longer, and for candle users who prefer a flame-free,
cleaner alternative inside the home.
