FOCUS: Net Zero Energy & Carbon, Sustainable Infrastructure

OVERVIEW: Chemical hydronic additive that improves the heat transfer properties of water to reduce HVAC energy use by 15%.

Our solutions looks to improve the energy efficiency of hydronic space heating systems and thus reduce the carbon emissions of gas/fuel that provides this energy to warm our buildings. In California, The CPUC estimates that approximately 24% of GHG emissions in the state come from buildings and roughly 25-35% of a buildings emissions come from space conditioning. This is thus a significant opportunity for improvement as part of a zero energy / zero carbon goal. Whilst many strategies look to electrify our heating; this is currently only moving the carbon emissions upstream and can be cost restrictive especially in pre-existing buildings (of which an estimated 80% will still remain in 2050). It is thus still a viable energy efficiency strategy to look to specifically target energy efficiency within natural gas and non-renewable heating systems.

In commercial HVAC systems water is used to distribute thermal loads from boiler / district or heat pumps around the building. There is an opportunity to improve the water’s heat transfer properties using an hydronic additive. The hydronic additive improves waters heat transfer properties to subsequently allow the HVAC system to be more dynamic and react quicker to changes in demand. This helps reduce initial system run times whilst reducing end of cycle wastage linked to increased embodied energy within the hydronic loop (thus temperature overshoots causing overheating). By reacting quicker to demand events, the system can maintain internal temperatures more accurately to thermostatic demand. Systems using hydronic additives show improved performance up to 15% with associated reductions in Scope 1 carbon emissions from the fuel source.

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