We’re devoted to
creating Your Path to Energy Independence™!
Hello there! We’re Allen and Jennifer Coggins of St. Clair, Missouri, and we created COCOON because we believed there had to be a smarter way to heat the spaces people depend on every day. For years, we’ve worked to develop practical heating technology designed to improve comfort, reduce wasted energy, and give people greater control over how they heat their homes and buildings.
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Together, we’re inventors, entrepreneurs, and forward-thinkers committed to challenging conventional heating technology. I, Allen, have spent more than 25 years in the HVAC and electrical trades, always searching for a better way to solve long-standing comfort and energy challenges. My wife, Jennifer, brings incredible vision and helps shape those ideas into practical solutions that can become a reality for homeowners, businesses, and the broader public.
As a first step to Your Path to Energy Independence ™ we’ve revolutionized indoor climate control with our COCOON Thermal Mass Furnace™.
After decades working in the HVAC industry, I knew there had to be a better way to heat homes affordably, safely, and comfortably. That pursuit ultimately led to the COCOON Thermal Mass Furnace earning third-party verification to save up to 41% on energy bills and to my recognition as HVAC Insider Magazine’s “Inventor of the Year.”
But COCOON didn’t begin as an award-winning innovation. It began in my own home.
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My family and I lived in a somewhat rural area with an aging propane furnace that simply couldn’t keep up during the winter. Our home was always cold. Propane was expensive and unreliable, traditional electric heat was costly and uncomfortable, and natural gas wasn’t available to us. Geothermal systems were far beyond what most families — including ours — could reasonably afford.
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We tried everything to stay warm. We supplemented our inefficient furnace with space heaters just to fight the cold spots throughout the house. I still remember my kids taking turns getting dressed in the mornings in front of our faux fireplace heater.
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And then there was Macy, our family dog.
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She was always curled up next to that heater, shivering, trying to stay warm. Watching that made something click for me. We were spending too much money just to remain uncomfortable in our own home, and I knew there had to be a better solution.
Around that same time, I came across a small infrared heater at work and became fascinated by how efficiently it produced warmth. That was the spark.
I began asking myself: what if I could apply that same principle to an entire home heating system?
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That question launched years of experimentation and countless prototypes — some far better than others. But I knew I had finally gotten it right when our kids and Macy stopped gathering around the faux fireplace.
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In 2018, we introduced that solution to the world. Originally called Thermasi, it would later become the COCOON Thermal Mass Furnace — a system built around infrared heat, thermal mass storage, and what we call our Customizable Comfortable Efficiency™ intelligence.
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It started with a cold house and a determination to create a better path to comfort, efficiency, and energy independence.
COCOON means everything to my wife, our family, and me. What started as a solution for our own home has grown into a mission to deliver greater comfort, lower energy waste, and stronger energy independence for others.
With the COCOON Thermal Mass Furnace™, we've created a heating solution that delivers the balanced comfort people traditionally associate with gas heating while approaching geothermal-level efficiency through a simpler and more accessible installation.
COCOON is more than a furnace. It is a thermal energy solution designed to store and manage heat differently, helping homeowners and businesses reduce wasted energy while gaining greater flexibility in how they heat and power their spaces.
Today, COCOON Thermal Mass solutions are available for residential, commercial, and specialty applications around the world.
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COCOON was designed to deliver reliable comfort while reducing wasted energy and lowering operating costs. By combining thermal mass storage with infrared heating technology, COCOON helps outperform traditional electric heating and rival geothermal performance without the significant infrastructure investment.
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Because COCOON operates without combustible gas, open flames, or combustion byproducts, it eliminates many of the concerns traditionally associated with fuel-burning heating systems, including carbon monoxide exposure."
Creating the COCOON Thermal Mass Furnace showed us that heating could be approached differently. But from the beginning, we believed the opportunity was bigger than a furnace alone.
Rising utility costs, grid disruptions during storms, and growing energy demands have highlighted the need for more resilient energy solutions. People want lower operating costs, greater reliability, and the confidence that their homes and businesses can remain comfortable when energy challenges arise.
That’s where we’re headed next.
We're building Thermal Energy Storage, backup power, and hybrid energy solutions that work alongside COCOON technology to help homeowners and businesses store energy, improve resilience during outages, and take another step toward greater energy independence.
Energy independence is about more than producing energy—it's about having the ability to store and use that energy when you need it most. We believe energy storage will play an increasingly important role in helping people reduce reliance on the grid, improve reliability, and make better use of the energy available to them.
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We believe the future of indoor comfort depends on smarter ways to store, manage, and use energy. By combining thermal mass technology with battery storage, backup power, and hybrid energy solutions, we're helping create a future with greater comfort, stronger resilience, and more energy independence.
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Thank you for taking the time to learn more about COCOON and the journey that brought us here. We're grateful for the opportunity to do what we love and excited about what comes next!
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Allen and Jennifer Coggins