We’re the commercial heat pump experts — delivering turn-key low carbon heating systems for public sector and commercial buildings. From schools and leisure centres to heritage buildings and housing estates — we assess, design, manage, install and maintain the right system for your net zero journey.

• Your Net Zero Partner for Decarbonisation

  We’re the commercial heat pump experts — delivering turn-key low carbon heating systems for public sector and commercial buildings.
  
  From schools and leisure centres to heritage buildings and housing estates — we assess, design, manage, install and maintain the right system for your net zero journey.

• Why Decarbonising Heat Matters

  Heating accounts for over 25% of UK emissions. If your organisation is serious about net zero, heating systems need to change — and fast.
  
  If you’re planning your PSDS bid, retrofitting an ageing estate, or replacing a failing system — we’re your trusted partner for practical decarbonisation.

• Why Choose Finn Geotherm

  We’ve specialised in heat pumps — and only heat pumps — for over 20 years.
  Our singular focus, in-house expertise, and network of trusted partners mean we manage complex projects end-to-end:

  • Proven Experience — Thousands of systems installed across the East & South-East
    
  • PSDS Expertise — Trusted partner for Public Sector Decarbonisation Scheme projects
    
  • Award-Winning Delivery — Recognised for technical excellence and sustainability impact
  • Regional Knowledge — Deep understanding of local infrastructure and regulations

• How We Work With You

  Every project starts with understanding your estate and ends with a fully-optimised system built for the long term.

  1. Assessment – We review your existing heating system, site conditions, and energy use, identifying the opportunities to decarbonise.
     
  2. Design – We create a tailored heat pump system specification to match your building’s needs and future performance goals.
     
  3. Consultancy – We guide you through funding routes, compliance requirements, and technical decisions, giving you clarity at every stage.
     
  4. Project Management – We oversee the entire process, coordinating timelines, contractors, and quality control to keep everything on track.
     
  5. Installation – Our in-house engineers deliver your new system with precision, minimising disruption to your operations.
  6. Ongoing Maintenance – We stay with you post-installation, optimising performance and providing reliable servicing for years to come.

• Technologies We Deliver

  We have vast experience in delivering these technologies –

  • Ground Source Heat Pumps
  • Air Source Heat Pumps
  • Solar PV
  • Insulation
  • BMS Upgrades
  • Infrastructure Upgrades
  • Fire Safety Systems
  • Glazing