HotSmart Keep Hot Mug Patented Reviews

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Mom and Dad love these cups. Instead of jumping up from the table every few minutes to reheat the coffee in the microwave, Mom can sit and enjoy breakfast. They had already fallen in love with the dinner plates.

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This mug is quite heavy for someone who has little strength in their hands/arms. The contents do stay hot on the bottom,

but with no lid, the contents quickly cool off.

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I have not obtained this item and this "review" is mostly addressed to Juan (inventor).

In reviewing the comments and descriptions about this mug, I am offering the suggestion that you have a separate mug/heat reservoir that allows the mug to be handled (and washed) independently of the heat reservoir and ideally where the base is designed to accommodate a variety of similar diameter mugs. This way those with a preference for larger mugs can use at least TALLER mugs vs having (as another option offered to consumers) different reservoir bases & diameters that one can order to best suit their own mugs/needs. This also provides a certain degree of product acceptance if one knows that if something happens to the mug (and people certainly can drop these things or otherwise cause damage to the mug) then all they have to do is replace the mug. In theory, the base and its performance should last indefinitely. In addition, this would take care of any concerns one might have regarding water damage to the base since the base is easily left out of the cleaning regimen when the mug is cleaned.

Again, this is just a suggestion based on what I've read and my own "take" on how I would re-design the product if it was my idea. You may, of course, take it or leave it. I have also read the description and comments for the plate you have designed and marketed, and I would also suggest a similar re-design of that item along the same lines as for the mug.

Honest reviews on HotSmart Keep Hot Mug Patented

I have been struggling to find a solution to keeping my coffee hot in the cup without having to mess with hotplates and other prior solutions (which never worked very well because of the insulating properties of the cup) and have found the solution with the HotSmart Mug,which works exactly as well designed, PROVIDED that one follow the instructions and microwave the cup first in order to supply energy to the heat reservoir that is built in at the bottom of the cup. This energy is then available through passive transfer to the fluid in the cup (as it loses heat to the atmosphere). In regards to the constant problem of heat loss through the imperfect insulators that are coffee mugs, they have specifically addressed this by making the cup out of porcelain, which has better heat retention properties than ceramic alone, keeping the fluid significantly hotter than is possible with a standard ceramic cup alone. The fundamental physical laws that govern heat transfer in static situations (entropy), as well as dynamic situations (conservation of energy) are well utilized here, and these make perfect gifts!

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The cup was heavy, the instructions were confussing. The bottom line is my coffee did not stay hot/warm but the outside bottom would remove the finish of a fine table is coaster not used. Not worth all the prep microwave process for the end result!