What does a good coffee mug have in common with a good house? I am a fan of both Good Coffee, and of course a well built home. So bear with me here as I ran an experiment in my kitchen on a rainy Sunday afternoon to see which of my mugs will hold HOT coffee the longest. I was introducing my 8 & 10 year old kids to Monopoly so this gave us something to do while we played a 4 hour board game!
Here’s the contenders that I had in my cupboard. I wanted to get a mix of what I thought were “Standard” mug as well as my three usual coffee to-go mugs. First, I used the heavy ceramic mug as my control. Next I pulled out a small Tervis brand tumbler which is a double wall plastic mug (White Stars), then my wife’s Tea mug (pink stripes) which is double wall ceramic, then three of my favorite coffee mugs. The Black Zojirushi 16 oz Metal Double Wall, the White Kleen Kanteen 12 oz double wall metal, then a Yeti Rambler 20 oz Metal double wall.
The field of contenders from my cupboard: Heavy Ceramic Mug, Tervis Double Wall Plastic, Ceramic Double Wall, Zojirushi Metal Double Wall , White Metal Kleen Kanteen Double Wall, Yeti Metal Double Wall
I started with 200 degree water from my Cuisinart Tea Kettle (verified with my Thermapen thermometer) and poured exactly 1 cup of hot water into each of the mugs then put their caps on (all except for the open top ceramic Control Mug). Continue Reading
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