Neothermal ETS Whole Home Supplemental Heating and Hot Water

Add electric thermal storage without the expense of replacing your heating system

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How It Works

Neothermal ETS (electric thermal storage) stores heat in the same way as a reusable hand-warmer. What’s neat about using salt is that it remains a liquid as it cools, keeping the chemical energy stored without any heat loss. When more heat is needed, Neothermal ETS will crystallize the salt mixture, changing it from a liquid to a solid, releasing the stored chemical energy.

*Neothermal Room ETS shown here for illustration only. These animations are also representative of Neothermal ETS for central heating.

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Overnight on weekdays, the salt and water mixture inside the device is slowly heated to 100˚C using a built-in electric heating element, transforming the salt mixture from a solid to a liquid; taking up to 8 hours for a complete charge.

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During weekdays, Neothermal ETS responds to your thermostat, drawing stored heat from the cells and gently heating the room via your central heating system (forced air or hot water radiators) or wall-mounted fans (room ETS only).

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On weekends, Neothermal ETS will function as a regular electric supplemental heating system.


 

Features

  • Flexible – works with any furnace or boiler and hot water system (optional), even when replaced or upgraded.

  • Supplemental – integrates easily into your furnace or boiler’s return duct/tubing and your hot water system’s cold water supply line.

  • Hot water – save year-round by adding hot water heating to Neothermal ETS.

  • No panel upgrade – designed to avoid an expensive electrical panel upgrade for most homes.

  • Ease-of-use – shares a thermostat with your main heating system; you set the temperature and the thermostat and ETS do the rest, giving you optimal savings and comfort.

  • Smart home control – uses smart home controllers to manage TOD rate schedule and system charging; also uses OpenADR protocols to manage real-time demand response (DR) where utility programs allow.

  • Long-term Storage – holds nearly 50% of the stored heat for up to a year. This capability allows you to carry over unused energy to a following day. This technology also has the potential to heat your home for 1-2 days during a power outage by using a back-up battery to run the device (this feature is under development).

  • Safety – operates at much lower temperatures (≤ 100˚C) than conventional brick ETS, which can heat up to more than 600˚C.

  • Efficiency – designed for 90% efficiency no matter the weather.

  • Long-lasting – built to last over 20 y.

 

Product FAQ

When fully heated, Neothermal ETS is designed to provide 12-16 hours of heating.

A typical Neothermal ETS system of 4 modules is designed for homes of up to 1,500 square feet (≤ 140 m2) and can be expanded by up to 4 additional modules for homes of up to 3,000 square feet (≤ 280 m2).

A typical Neothermal ETS system stores 32 kWh of energy using 4 modules, equivalent to 70 car batteries. Up to 4 additional modules can be added for larger homes.

A typical Neothermal ETS system with 4 modules consumes 5.1 kW when charging or running as an electric heating system on weekends/holidays; it consumes 150 W to its power pumps when releasing stored heat. A system equipped with 5-8 modules would consume between 6.4 kW to 10.2 kW when charging or on weekends and 190 W to 300 W when releasing stored heat.

A certified electrician or HVAC contractor can deliver and install your Neothermal ETS for you and recommend the number of modules for your home and budget.


How do you heat your home?


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Furnaces

Neothermal ETS installs next to your furnace and supplies heat directly to your furnace’s cold air return using a ducted heat exchanger. Neothermal ETS typically uses four 8 kWh modules (32 kWh) stacked two-high; more modules can be added for larger homes. As an add-on, your Neothermal ETS furnace system can also supply heat to your hot water system using a heat exchanger installed in the fresh water supply line for year-round savings. For most of its operation, Neothermal ETS is designed to deliver the full heating demand to your home’s heating system without the need for burning fossil fuels and continues to reduce fuel use at other times by pre-heating the air supplied to the furnace.

Neothermal ETS delivers this flexibility and modularity by circulating a mixture of propylene glycol and water to transmit heat from the heat storage cells housed in each module to the ducted heat exchanger and hot water heat exchanger, separately or together.

General Specifications

  • 13 kW ducted heat exchanger

  • 15 kW hot water brazed-plate heat exchanger

  • 5.1 kW 240 VAC electrical supply (30 amp breaker) for systems with 4 modules

Neothermal ETS furnace systems are currently undergoing in‑home field trials and will be available for pre-order in 2019.

Keep up to date by joining our mailing list.


Boilers

Neothermal ETS installs next to your boiler and connects directly to the hot water baseboard/radiator system’s return tubes to the boiler. Neothermal ETS typically uses four 8 kWh modules (32 kWh) stacked two-high; more modules can be added for larger homes. As an add-on, your Neothermal ETS boiler system can also supply heat to your hot water system using a heat exchanger installed in the fresh water supply line for year-round savings. For most of its operation, Neothermal ETS is designed to deliver the full heating demand to your home’s heating system without the need for burning fossil fuels and continues to reduce fuel use at other times by pre-heating the water supplied to the boiler.

Neothermal ETS delivers this flexibility and modularity by connecting directly to the boiler’s distribution system to transmit heat from the heat storage cells housed in each module to the heating system’s circulated water loop and to the hot water heat exchanger, separately or together.

Because Neothermal ETS boiler systems perform optimally at lower temperatures (40˚C-60˚C) than typical boiler heating systems (60˚C-80˚C), small booster fans are added to your baseboards/radiators to deliver their rated heating capacities at lower temperatures. In-floor heating systems are designed to operate at lower temperatures, so do not require any modification for Neothermal ETS.

General Specifications

  • 15-18 kW direct heat delivery to boiler heating system

  • 15 kW hot water brazed-plate heat exchanger

  • 5.1 kW 240 VAC electrical supply (30 amp breaker) for systems with 4 modules

Neothermal ETS boiler systems are currently undergoing development and field testing.

Keep up to date by joining our mailing list.