Our Expertise in Heat Networks
We are a CIBSE Certified Heat Network Consultancy specialising in assessing heating systems to pinpoint areas of sub-optimal performance and recommending cost-effective interventions.
We can help you identify improvement measures that align with the requirements for HNES funding and support you in working towards meeting the HNTAS (Heat Network Technical Assurance Scheme) regulatory technical requirements.
Let us support you in enhancing the efficiency of your heat network or heating system initiatives.
As a trusted partner to housing associations, local authorities, and private sector entities, we use cutting-edge metering technology, such as advanced heat and energy meters to visualise the existing dynamic heat demand profile of the property.
We use industry changing software that can simulate a new heating system configuration idea at full and partial demand, to ensure the optimal efficiency of a heating system before installation.
Our proficient team is exceptional in recommending upgrades to existing infrastructure with thoughtful retrofitting that aligns perfectly with the upcoming Heat Network Regulations of 2025.
Innovative Solutions for Energy Efficiency
We are dedicated to revolutionising the heat network industry by focusing on energy optimisation. Our experts meticulously assess energy centres, plant rooms, network distribution and tertiary systems identifying unique opportunities to enhance performance and decrease operational costs.
GESTI Limited adopts innovative strategies to drive forward the vision of sustainable and efficient energy usage in living and working environments, making sure every project aligns with the best practices of energy conservation.
We are able to simulate, analyse and optimise new & legacy communal heating, heat network & DHW installations.
Evaluating peak performance of the system from a conceptual design through to commissioning and handover.
We are able to provide recommendations for optimal performance of your new or existing heating system for analysis.
Partnering with Housing Associations, Local Authorities and the Private Sector
GESTI Limited is not just a heat network consultancy service; we are a partner committed to the communities and authorities we serve.
By collaborating closely with our clients, we deliver tailored solutions that meet their specific needs, from the inception stage through to ongoing maintenance reviews.
With our deep understanding of the sector’s complexities and regulatory landscape, we promise seamless project execution and efficient system management, affirming our commitment to advancing energy systems that benefit both the environment and the end-users.
We are committed to providing a solution to greater efficiencies in your heating systems, lowering capital and operating costs and reducing carbon emissions.

