ISI Technology

  Charleston,  United States    Website
Consumer Types


1-10 employees


Kayleigh Bohannan

ISI Technology and CEO Jerry Callahan have created the Heatworks MODEL 1. The Heatworks MODEL 1 is the world’s first 100% digital water heater. Replace or improve any existing water heating system while enjoying instant and infinite hot water, a significantly longer lifespan with zero required maintenance, and ultimate control.

Using electrical current to silently heat water while monitoring power 60 times per second, the MODEL 1 is capable of maintaining temperature within 1 degree Fahrenheit. As a result, the Heatworks MODEL 1 reduces up to 40% of energy usage and 10% of water usage.
Latest From @HW_MODEL_1
3 days ago
How I did on Twitter this week: 11 New Followers, 6 Mentions, 64.8K Mention Reach. How'd your week go? via
5 days ago
.@_rachio How's your @CityStartups experience going? Come by our showcase to say hi! #TeamTankless #SmartCityStartups
5 days ago
How do you think @HW_MODEL_1 CEO Jerry did?? We think he did great! #TeamTankless #GoJerry
5 days ago
We are at @CityStartups! Listen live to our CEO Jerry Callahan @ the Founders Talk NOW! Tune in here :)
5 days ago
Are you at @CityStartups? Visit the #Heatworks table at the Smart City Showcase! Our CEO & CTO are hanging there now!
5 days ago
We are at @CityStartups! Come listen to our CEO Jerry Callahan @ the Founders Talk at 3:50 PM EST. Or listen here :)
6 days ago
4 fun tips & ways to make this #EarthDay count, visit our Earth Day @Pinterest page! #Conserve
6 days ago
Happy #EarthDay! We've got ways to make the most of it on our blog #TeamTankless #conserve
6 days ago
Happy #EarthDay everyone! Stay tuned for our special blog post debuting later today! #conserve #TeamTankless
6 days ago
.@DwellSmart thanks for the follow! Visit us at and welcome to #TeamTankless!
6 days ago
@heywilliams thanks for following! Visit us at and welcome to #TeamTankless!
Tomorrow is #EarthDay! Need ideas to celebrate? Special blog post tomorrow! In the meantime,
My best RTs this week came from: @LindaLeeKing @JoiJensson #thankSAll Who were yours?

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