How Does The Ember Mug Work
The Ember mug draws its power from the saucer or coaster underneath it. That plate has a charging cord that plugs into your outlet and channels electricity into the base of the mug, which then heats your drink. You control the temperature using Embers app, which allows you to choose between a variety of settings or customize to your liking.
After having synced my mug to the Ember app, I found it easy to use and was grateful to see a lot of the user-friendly features there. For example, the Ember app provides a bunch of pre-set temperatures designed for different types of drinks. While scientific research says the ideal temperature of a hot beverage is a hot , 136 degrees Fahrenheit, the Embers default temperature is 135 degrees Fahrenheit.
However, at the touch of a button you can change the temperature to pre-sets like latte, black tea, or espresso. You can also create your own pre-sets for each of these drinks if you have a different temperature you prefer.
For my first drink, I made a latte in the mug and immediately chose the latte pre-set temperature within the app. The current temperature of your mug is displayed clearly, and I watched as the temperature climbed to 131 degrees Fahrenheit. In addition to the exhaustive pre-sets, you can create your own preferred temperature and save it as a customized pre-set, ranging anywhere from 120 to 145 degrees Fahrenheit.
- Ember Mug 2 , $130, Available on and Ember
Ember Mug Reviews: What Do Customers Think
This Ember mug review checked out customer feedback on the company website, Google, and Amazon to get a better understanding of what their products are like. Below, youll find reviews for the Ember temperature control mug outlining the brands high and low points.
The Ember heated coffee Mug 2 has an average of 4.5/5 stars from 2941 customers on the company website. A customer who rated the mug at 5/5 stars said, I love this mug. Im a stay at home dad, and my coffee is always growing cold while Im taking care of my daughter. With my ember mug, every time I come back to my coffee, the temperature is perfect.
On the other hand, a limited number of customers felt the mug just isnt hot enough, like this reviewer: Max holding temperature is only 62 Deg C which is not hot enough, my beverage is warm not hot at this temp.
The Ember Mugs Google rating is taken from various online retailers like Best Buy and Target. Google ranks the brand as 4.5/5 stars from 686 ratings. One 5/5 star review read: I had never thought that a few degrees in the temperature would actually make my coffee or tea taste better. It doesWhat if you could keep it always at that magic temperature that lasted 2 or 3 minutes? That is what Ember does for you.
How Do You Know Ember Mugs Aren’t Dishwasher Safe
Ember explicitly states that their mug is not dishwasher safe. They don’t give a reason why but they do state it in multiple places.
On this page they answer the question about the Ember Mug being dishwasher safe or not:
No. You should not clean your Ember Mug or Ember Mug² in the dishwasher. Using a soft sponge or bottle brush after every use is the best tool for keeping your Ember clean.
They basically say exactly the same thing for the Ember travel mug on this page:
The Travel Mug body is hand wash only but the lid is dishwasher safe! To hand wash, we recommend using a soft sponge or bottle brush as the best tool for keeping your Travel Mug body clean.
Also when you receive the care direction with your Ember Mug it’ll say something along the lines of:
Hand wash your mug with warm, soapy water and a soft sponge. After washing, dry your mug off completely before placing on the charger.
So it’s pretty clear that Ember don’t want you putting the mug in the dishwasher.
Originally I thought this is because the mug wasn’t waterproof and the dishwasher cou
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Can I Use The Ember Mug For Travel
While the ceramic and metallic Ember Mug2s are not built for travel due to the open top and shorter battery life, Ember technologies has a newer travel mug thats designed for on-the-go use.
This 12-ounce mug has a tight leak-proof lid and a three-hour battery life. The mug can also be controlled with one-touch buttons that increase or decrease the temperature of your drink without needing your phone. To amplify the experience, Ember’s open halo lid and limited-edition, 24-karat-gold-plated halo lid allow you to inhale the aroma of the brew.
To keep your mug powered up when you’re on the go, Ember makes a charging coaster and a car charger that are compatible with the travel mugs, a great investment or gift for commuters and road trippers.
Compare With Similar Items

This item Ember Temperature Control Smart Mug 2, 10 oz, Stainless Steel, 1.5-hr Battery Life – App Controlled Heated Coffee Mug | ||||
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4.6 out of 5 stars | 4.5 out of 5 stars | 4.5 out of 5 stars | 5.0 out of 5 stars | 4.5 out of 5 stars |
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5.4 x 5.4 x 6.1 inches |
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Product Warranty:
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The Best Gear For Making Pour
We tasted over 150 cups of coffee to find the best pour-over setup, from an easy-to-use dripper to a reliable coffee grinder and scale.
Tea experts we spoke with, including Bruce Richardson, owner of Elmwood Inn Fine Teas, unanimously agreed that tea loses its liveliness and turns stale the longer it sits.
All mug warmers aim to maintain a specific beverage temperature, according to what the company deems ideal for drinking most of the warmers we researched and tested claimed to target a range between 120 °F and 155 °F . In our own testing, we found the ideal range to be between 130 °F and 140 °F. Any colder tasted lukewarm, and any hotter made sipping uncomfortable. Of course, your own preference may differ.
Since this is a category thats rife with no-name brands and dubious marketing, we decided to test a few of the traditional mug warmers that had the best user reviews, a reasonable price point , and an attractive range of features. Our goal was simply to see whether a warmer would improve our overall drinking experience and if there was much variation among the myriad models available.
See If Your Ember Mug Is Charging Using The Ember App
If you see the green light flashing, you know your Ember mug is charging. To check if your Ember mug is charging using the app, go to your phones app store and download the Ember app. Once installed, open the app and tap on “Ember” from the menu bar. Tap on the “Charging” tab to view information about your Ember mugs charge status.
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The Ember Has Actually Been Tested In The Dishwasher And Survived
I was recently listening to this interview with Ember founder Clay Alexander and he actually stated that the company has tested the Ember Mug and it does survive in the dishwasher.
Here’s what he said at around the 19m17s mark:
Yeah, so we’ve tested it, it does survive the dishwasher. But we do market it as hand wash only just to, you know, for the finish and such
Clay Alexander Founder of the Ember Mug
If this is the case why do they market it as handwash only?
Well as Clay states we do market it as hand wash onlyfor the finish and such
While it is never clearly stated by Clay and while Ember don’t clearly state it on their website I suspect that the Ember Mug is recommended to be hand washed only because of the ceramic coating on the mug.
This ceramic coating has the potential to delaminate or flake off and I can understand that the high temperatures and high pressure of the dishwasher could make this happen more quickly than it would with hand washing only.
Ember does come with a 1 year warranty that covers your Ember Mug chipping so it makes sense that the company wouldn’t want people putting their mug in the dishwasher and having to replace a bunch of mugs where the ceramic comes off.
Dont Buy The Ember Smart Mug If
You drink your coffee quickly: Not one to savor your morning cup of joe? Then dont waste your money. A normal coffee mug will keep your freshly brewed coffee hot enough for the few minutes it takes to down your beverage and get that caffeine coursing through your veins.
You want something that can travel: The Ember Mug is great for carrying around the home or office, but if youre venturing further afield, youll want a smart mug with a lid. You could opt for the Ember travel mug version, but it is not without its flaws. Instead, HomeGrounds recommends the Muggo, a 12-ounce stainless steel travel mug with an impressive 3-hour battery life.
You want something cheaper: Depending on your needs, there are cheaper options than the Ember to spare you the tragedy of cold coffee.
If you dont need to move around, check out our picks for the best coffee mug warmers. For a travel-friendly option, the Tech Tools Travel Mug is an affordable choice that plugs into a 12 V car charger. Or consider the ionMug, an Ember Mug knock-off that runs about a quarter of the price but dont expect the same quality or longevity.
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The 3 Mug Warmers We Love For Keeping Our Coffee Hot
Theres a lucid comfort in the warmth of a steaming-hot cup of coffee or tea, as well as a calming reassurance that whatevers in your mug is going to keep you going for the next few hours. That is, if you actually get to enjoy it before its gone cold and stale.
If youre prone to forgetting your cup right after youve poured it, or youre routinely active or distracted throughout the day, you may be looking for a way to keep all of your hot beverages from turning into cold brew. Heres our advice: Rather than reaching for the microwave or burning your tongue on too-hot coffee from a thermos, consider the humble mug warmer.
Functionally, a mug warmer is a tiny hot plate that sits on your desk and heats the bottom of your cup to keep the liquid inside hot. A good mug warmer will keep your drink warm without exacerbating unpleasant flavors via scorching. But its important to remember that, due to the inevitable effects of oxidation and the way these drinks break down chemically over time, theres no way to completely preserve the body and flavor of freshly brewed coffee or tea.
How Do You Wash An Ember Mug
Despite being electric, these mugs are easy to keep clean. All of the Ember devices can be submerged in up to one meter of water. While theyre not dishwasher-safe, you can easily hand wash your coffee cup with hot, soapy water after use. Just be sure to thoroughly dry the bottom of the mug before replacing it on the charging dock, as the battery prongs can corrode or rust if they get wet.
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Problems With Travel Mug Lid
Problems with travel mug lids are not uncommon. In fact, many people report problems with their travel mugs every day. This is because travel mugs are designed to be used while traveling. However, if you are using your travel mug frequently, chances are that you are going to experience problems with the lid. This is because travel mug lids tend to wear out quickly. It is recommended that you replace your travel mug lid after 6 months.
Is It Dangerous To Drink From A Chipped Ember Mug

It depends on what type of chipping you have. A chip that is only 1/8″ deep is very unlikely to cause any harm. However, if you have a chip that is deeper than that, you could get hurt. If you have a chip that goes into your mouth, you could choke on it. This can happen if you drink from a mug that has a chip that extends past the lip of the cup. A chip that goes into your throat can block your airways and prevent you from breathing.
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How Does Ember Mug Work
The Ember Mug² heats up beverages by conducting heat down the cup’s exterior using our proprietary heating technology – this allows for a fast and even distribution of heat throughout your drink. The mug is made with 400 ml of double-walled vacuum insulation and is designed to keep your drinks hot.
Here is a little insight on the process:
The mug holds heat with no electricity until you connect it to the mobile app via Bluetooth – this means that the heating technology is constantly heating your beverage, even when not in use.
It may take a few seconds to reach your preferred temperature of your drink, which is typical for this type of technology, but it definitely has the power to keep drinks hot for hours on end!
The app will tell you when your drink starts to reach the perfect temperature by flashing green, yellow, or red. If you don’t want to wait for your Ember ceramic mug’s LED indicator to signal that it’s ready to go, you can even heat up your drinks at the touch of a button!
Ember Mug² is equipped with four different heat settings and preset temperatures:
- 2-hour auto shut off
- 160°F
- 212°F
The mug only takes about three minutes to heat up and has a longer battery life for 12 total hours of use. This means that you can enjoy your hot chocolate during a commute and not have to worry about it going cold while you’re out!
There is double-wall insulation that prevents condensation and keeps your beverage warmer for a long time!
How To Clean An Ember Mug If You Cant Use The Dishwasher
You can clean an ember mug if you cant use the dishwasher. Its not recommended though because glass mugs can break easily. How To Clean An Embers Mug In The Kitchen? Answer: To clean an ember mug in the kitchen, fill the sink with warm water and a bit of soap. Add a couple drops of dishwashing liquid and scrub the mug until it looks clean. Rinse thoroughly under running water and dry completely.
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A Reliable Mug Warmer For People Who Work At Their Desk All Day: Bestinnkits Smart Coffee Warmer
What it costs: about $25 Who its for: The Bestinnkits Smart Coffee Warmer is ideal for people who want a simple, cost-effective solution to the problem of drinks going cold before their time.How its different: Unlike competing models, this affordable mug warmer maintains an ideal drinking temperature for hours and doesnt scorch drinks. And while our other picks require you to use a proprietary mug, this one allows you to use all your old favorites.
Most basic mug warmers will keep your drink hot if you finish your cup in under 30 minutes, but very few will do the trick for those who sip at a slower pace. This is one of the only models we found that can sustain a comfortably warm temperature for hours, while also minimizing the harshness that some mug warmers impart on a drinks flavor over time. The Bestinnkits warmer functions as a small hot plate that activates automatically when it senses the weight of a mug, and it conveniently shuts off whenever you pick up the mug.
Most of its competitors allowed our drinks to get lukewarm after 35 to 40 minutes. But the Bestinnkits consistently keeps beverages between 133 °F and 135 °F for hours . Thats not piping-hot, but its still pleasantly warm and within the optimal range for drinking. Though the Bestinnkits claims to be able to heat up cold or room-temperature liquids, we found this to be only technically true: This warmer took over two hours to heat up our drinks and offered no benefit over any other method of reheating.
Is The Ember Mug Worth It
This Ember mug review is quite impressed with ratings for the products. Averaging above 4/5 stars across the board, there havent been any major complaints with customer service or shipping. So, is Ember Mug worth it?
Its clear that Ember customers find the products incredibly useful. Theres no question that it solves a problem faced by many. You may experience a few problems with the app and connectivity, which can be frustrating, but shouldnt disqualify the mugs altogether.
The Ember coffee mug is backed by a 1-year warranty, so if you do run into technical issues, youll most likely get a replacement. Their 30-day money-back guarantee lowers some of the risk as well. Overall, this Ember mug review believes the tech is worth the price if you want to enjoy cups of tea or coffee throughout the day without manually reheating.
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