InsinkErator HOT150 Vs. HOT100 – Differences and Similarities

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Getting an instant hot water dispenser for your home is the best thing you can do. They boil water more efficiently, faster, and in large quantities.

With one, you can fix a cup of coffee in the morning in minutes, prepare instant soup and noodles, and fix your baby’s bottle in minutes. Quite convenient, right?

Now that you know why you need a hot water dispenser, all that remains is getting the best model for your home.

In this post, we compare InsinkErator HOT150 vs. HOT100 hot water dispensers from InsinkErator, one of the best brands of instant hot water dispensers.

Is InsinkErator HOT150 better than HOT100? What are their pros and cons? Keep reading to make an informed buying decision.

InsinkErator HOT150 vs HOT100 Comparison

FeatureInsinkErator HOT150InsinkErator HOT100
Dimensions12.06 x8.38 x 14.62 inches5.38 x 2.0 x 14.62 inches
Weight7.0 pounds7.4 pounds
MaterialStainless steel and plasticStainless steel
Finish typeSatin nickelModern chrome
ColorSatin nickelChrome
Hot water faucet designLeverPush-button
PerformanceDelivers about 60 cups of hot water per hourNot mentioned

About InsinkErator

 InsinkErator is an American company known for producing high-quality instant hot water dispensers as well as food waste disposal systems.

The company’s global headquarters is based in Racine, Wisconsin (USA), and is a business unit of Emerson Electric Co.

It’s one of the world’s largest manufacturers of instant hot water dispensers and food waste disposers for home and commercial use.

They make long-lasting innovative hot water dispensers that offer excellent performance and trouble-free operation. The units are also easy to install and use.

InsinkErator Hot150 Overview

The InsinkErator HOT150 is a premium-quality instant hot water dispenser with 750 watts heating element, 2/3 gallon stainless steel tank, and adjustable thermostat controls.

The unit features a spot-on design with a stainless steel core and satin-nickel finish that provides excellent looks. It delivers up to 60 cups of hot water (200 degrees F) per hour.

It’s also easy and safe to install (designed for DIY installation) thanks to the dry-start protection feature.

  • Design

Designed with elegance, safety, and functionality in mind, this instant hot water dispenser helps you save space in your kitchen. It can fit under standard under-sink spaces thanks to its compact feature.

Thanks to its classy design, this unit will make a beautiful addition to your kitchen. It also features a satin-nickel finish and stylish faucets.

  • Materials and Size

The HOT150 is made of metal and food-grade plastic parts, thus durable and safe to use. It has a 2/3 –gallon stainless steel tank that offers near-boiling water when you need it. At 12.06 x 8.38 x 14.62 inches, the unit is compact enough to fit under your kitchen sink space.

It’s also lightweight at 7 pounds.

  • Performance

Whether you’re cleaning, cooking, or preparing hot beverages, the InsinkErator HOT150 doesn’t disappoint; it makes hot water happen instantly.

In fact, the unit provides up to 60 cups of hot water per hour and will thus enable you to serve your guests with ease.

It also features an adjustable thermostat that you can adjust between 160 degrees Fahrenheit and 210 degrees F.

It offers the convenience of steaming veggies in a flash, thawing frozen food fast, preparing gourmet tea and coffee, and warming your baby’s bottles in seconds, among others.

  • Installation

The model is easy to install and comes with everything you require for the purpose. From screws to washers, you won’t have to search for anything.

It’s, however, important to note that you need an unswitched AC power outlet, a dedicated control valve with compression fitting, and T-fitting for the installation to be successful.

You’ll also have to drill a 1 ¼ -inch to 1 ½ -inch diameter hole on your sink to install the faucet.

  • Warranty

InsinkErator offers a 1-year warranty for the HOT150 model.

Pros and Cons


  • 750 watts power source provides quick heating
  • Has adjustable thermostat controls
  • The satin nickel finish gives it a classy look
  • Durable and compact
  • It doesn’t require special tools to install
  • Supported by a 1-year manufacturer warranty


  • Expensive
  • Has plastic parts

InsinkErator HOT100 Overview

The InsinkErator HOT100 is a highly functional instant hot water dispenser that offers the best mix of value and reliability.

It delivers near-boiling water fast with easy-to-adjust temperature control.

The unit features a modern chrome finish, a stylish designer faucet and measures 5.38 x 2.0 x 6.25 inches. At 7.4 pounds, the HOT100 is both lightweight and compact.

  • Design

The HOT100 features a stylish design that makes a beautiful addition to any sink setup. It is made with functionality in mind and will help you save time and energy in the kitchen.

The model comes in a beautiful chrome finish that makes it stand out. It’s also compact enough to fit under your sink, taking very little room.

  • Materials and Size

Made from stainless steel, the HOT100 is quite sturdy and durable. The unit is also compact at 5.38 x 2.0 x 6.25 inches.

You also don’t have to worry about its weight now that it weighs only 7.4 pounds.

  • Performance

Just like the InsinkErator HOT150, the HOT100 features a 750 watts heating element and a 2/3 –gallon stainless steel tank that provides near-boiling water.

An adjustable thermostat control enables you to adjust the unit’s temperature from 160 degrees Fahrenheit to 210 degrees F.

The hot water faucet with an easy push-button allows you to dispense hot water instantly when needed. With near-boiling water at your fingerprints, you can quickly clean dishes without harsh chemicals, serve hot cereals, make hot beverages and cook in minutes.

  • Installation

The unit also comes with everything you need for easy installation, just like the HOT150. The whole system attaches to a metal faucet with a push-button operation.

You can hook it up next to your kitchen sink or as a stand-alone unit.

As a first-timer, you might find it a little challenging to install, especially if your sink doesn’t have a hole to install the faucet in place already.

  • Warranty

The HOT100 is also supported by a 1-year manufacturer warranty. This warranty includes free house calls for the entire warranty period.

Pros and Cons


  • 750 watts of power enables fast heating
  • Made from high-quality stainless steel
  • Delivers near-boiling water
  • Tool-free tank connections
  • Easy-to-adjust temperature controls
  • Dry-start protection makes installation easy
  • Backed by a 1-year limited manufacturer warranty


  • Has plastic parts
  • A little tricky to install.

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