Hot Lime Labs

Hot Lime Labs

Lower Hutt, New Zealand

Biomass
Founded 2017
Profile last updated: August 1, 2026

About

Founded in 2017, Hot Lime Labs is a renewable energy company headquartered in Lower Hutt, New Zealand specializing in Biomass.

Hot Lime Labs develops patented high-temperature CO2 capture technology using composite limestone and metal pellets. Its first commercial application delivers clean CO2 and heat from wood waste biomass to greenhouses, increasing crop yields and reducing reliance on fossil-based CO2. The company is also developing applications for hard-to-abate industries such as hydrogen production and gas cleaning, and plans to broaden feedstocks to crop waste, waste oils and anaerobic digester gases.

Headquarters

Lower Hutt, New Zealand

Founded

2017

Focus areas

CO2 capturebiomassgreenhousedecarbonisationhydrogenheat supplyhard-to-abate industries

Products & services

Business models

B2B

Value chain

R&DDevelopmentManufacturing

Service areas (1)

  • Greenhouse CO2 and heat supply

    Supplies clean CO2 and heat from containerised biomass-based systems to greenhouse growers.

Locations

Headquarters

Gracefield Road 68, 5010, Lower Hutt, New Zealand

Service regions

New Zealand

Projects

1

Greenhouse CO2 and heat demonstration system

OperationalBiomass conversion CO2 and heat system

Demonstration plant converting wood waste biomass into clean CO2 and heat for a commercial greenhouse, operating since 2023.

Taupo, New Zealand

Credentials & affiliations

Partnerships

Aplenty, Callaghan Innovation

People

Management & team (6)

+ 2 more

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