Is your commercial or multifamily building heated by a hydronic system that uses natural gas? Is your building a SoCal Gas, SDG&E or PG&E natural gas customer? If so, you may qualify for a no-cost study to improve its efficiency and reduce your gas bills using EndoTherm.

The Gas Emerging Technologies (GET) program is offering free assessments to determine if your hydronic heating system could benefit from a EndoTherm hydronic additive that can increase efficiency. If your system qualifies, the additive will be installed at no cost by your existing water treatment provider.

This is an opportunity to reduce your natural gas usage and bills without replacing any equipment. The study monitors your energy usage for two heating seasons – one before and one after the additive is installed. The pre- and post-installation data will demonstrate the gas savings from this simple upgrade.

Here’s how it works:

  • An ICF representative reviews your system configuration and inspects your hydronic boiler and distribution system.
  • If you qualify, monitoring equipment is installed to establish an energy usage baseline during the 2023-2024 heating season.
  • In summer 2024, the additive is installed into your hydronic loop to improve efficiency.
  • Your gas savings are tracked during 2024-2025 to quantify the reduction.

To be eligible, your hydronic heating system must use natural gas as its only fuel, serve space heating loads, and be in good working order. Your building must be a commercial or multifamily property that allows equipment installation and interviews.

If your hydronic system already has metering covering sub-metered natural gas consumption, flow and temperature data as well as covering all other qualification criteria then your build could be selected to pilot with an install in Fall 2023.

This is a great chance to improve the performance of your existing heating system at no cost. The study term runs through 2025, so reach out now to get your building assessed. Please contact us for further information or email the GET program at for more information on how to get started.

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