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  • HotSmart Keep Hot Mug Patented
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HotSmart Keep Hot Mug Patented


Currently unavailable.
We don't know when or if this item will be back in stock.
  • 11 FL OZ Preheat ONE minute; coffee will stay hot to the last sip (Gravy stays hot too!)
  • SAFE HANDLING Integrated heater keeps adding heat to the coffee at a controlled rate
  • Not based on insulation. PATENTED heating device integrated
  • Just microwave ONE minute to store heat; tested for years
  • AS CLAIMED OR YOUR MONEY BACK GUARANTEE;


Product Details

  • Product Dimensions: 3.5 x 3.5 x 5 inches ; 4.8 ounces
  • Shipping Weight: 1.5 pounds
  • ASIN: B008GOZYGC
  • Item model number: HMUG1W
  • Average Customer Review: 3.0 out of 5 stars  See all reviews (17 customer reviews)
  • Amazon Best Sellers Rank: #132,354 in Kitchen & Dining (See Top 100 in Kitchen & Dining)
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Product Description

Preheat ONE minute in the microwave. for coffee hot to the last sip, SAFE HANDLING PATENTED HotSmart mugs keep adding heat to your coffee (No other mugs in the world do that). In contrast to thermos or double wall mugs, HotSmarts have 3 sources of heat: a) The heat in the coffee itself which is NOT wasted heating up the mug b) The heat stored in the body of the mug c) The heat released slowly by the patented heater which stays STILL HOT after 30+ minutes (more than half hour). 1. Fine porcelain 11 FL OZ mug. . 2. This is not a regular mug; this is a PATENTED HotSmart® with a "Heater integrated.. Preheat the empty mug one minute -while coffee is brewing- fill it with HOT coffee. That's all you have to do. 3. Keeps coffee HOT for full enjoyment. It needs only one minute preheating in the microwave oven (maximum, DO NOT EXCEED) . 4. No wires, no batteries; you don't have to plug anything, 5. No risk of fire (Can be used at the office, shop, etc.); Heaters are normally forbidden by insurance companies.. 6. Green, no toxic materials used 7. Simply preheat the mug and now you are ready to ENJOY slowly your perfect cup of coffee or tea.. 8. SAFE HANDLING; the handle doesn't get hot. 9. The inventor (myself) has been using and testing the mugs for about 4 years before offering them for sale. A-Z GUARANTEE (As claimed or your money back).

Customer Questions & Answers

Customer Reviews

3.0 out of 5 stars
5 star
7
4 star
0
3 star
2
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1 star
6
See all 17 customer reviews
It's very heavy.
Fran LoSciuto
Coffee didn't stay any hotter and you can't put it in the microwave to warm up whats left in the cup.
Carolyn B Bergeon
I've been using this mug for over a year now, and it's performed well.
Jonathan

Most Helpful Customer Reviews

5 of 5 people found the following review helpful By Dr Phil on December 22, 2012
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.
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2 of 2 people found the following review helpful By Dearborn Girl on April 21, 2013
Verified Purchase
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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2 of 2 people found the following review helpful By Tom Clayton, MD on December 12, 2012
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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1 of 1 people found the following review helpful By Clifford Baker on March 14, 2013
Verified Purchase
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!
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2 of 3 people found the following review helpful By Carol Bennett on April 3, 2013
Verified Purchase
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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Verified Purchase
The best! Works just like it says it does. I use this hot mug every day and I am very happy with the results.
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By Jeffrey J Shea on March 19, 2014
Verified Purchase
A real good buy. Base stays hot for a good while upper portion is safe to touch. Keeps coffee hot!
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By Elizabeth on February 22, 2014
Verified Purchase
This mug is very heavy empty and really heavy when full. It doesn't keep beverages hotter any longer than without it.
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