Networked ground source heat pumps for new build developments

Kensa and GTC have partnered to deliver the UK’s leading low carbon heating and cooling solution. Delivered as part of a multi-utility package, networked ground source heat pumps deliver a low cost, low complexity path to Future Homes Standard compliance for developers alongside lifetime peace of mind for homeowners.

Why housebuilders choose GTC and Kensa

Cost-effective Future Homes Standard compliance

Deliver Future Homes Standard compliance for less than individual air source heat pumps. No costly grid upgrades, no programme delays, and no last‑minute surprises - just a simpler route to compliance using the grid you already have.

Procurement and build programme efficiencies

Delivered in partnership with GTC, the multi-utility model gives developers a single point of contact from design through to operation, minimising build programme delays and procurement complexity.

Homeowner peace of mind

Our solution helps your sales and marketing teams sell with confidence. With on-call maintenance and servicing included, Kensa’s compact, quiet, and efficient heat pump brings low carbon living without the stress.

Networked ground source heat pumps delivered as a utility

Using the stable heat from the ground, ground source heat pumps outperform individual air source heat pumps on comfort, running costs, emissions, resilience and aesthetics, while costing less per plot to install.

  • Designed for the grid you already have - same electrical load as gas heated homes, and around half the demand of individual air source heat pumps, helping avoid costly reinforcements.
  • Familiar installation - the network mirrors traditional gas and water infrastructure, so it’s straightforward for site teams and simple to integrate into build programmes.
  • Lower risk, better performance - the system is fully owned, operated and maintained by GTC for life - removing long‑term responsibility from the housebuilder.

Integrated technology for smarter developments

Kensa Shoebox NX Heat Pump

Small footprint, extraordinary performance

The Shoebox NX is designed to help housebuilders deliver Future Homes Standard compliant homes while giving homeowners one of the most efficient heat pumps on the market.

  • Market-leading efficiency - Delivers over 4kW of heat for every 1kW of electricity used (400%+ efficiency).
  • Discreet, compact design - No bulky external units or noisy fans, our system tucks away neatly into kitchen or airing cupboards, freeing up vital storage.
  • High-temperature delivery - Provides hot water up to 64°C, ensuring comfort without compromise.
Passiv Smart Thermostat

Smart heating, lower bills from day one

We’ve paired our heat pumps with Passiv Smart Thermostats to provide smart, efficient comfort.

  • Engineered for long-term performance - Real‑time optimisation helps keep running costs low for new homeowners while maintaining high comfort standards.
  • Integrated as standard - Pairing Kensa heat pumps with Passiv Smart Thermostats gives developers a smart‑heating solution with no additional hardware requirements.
  • Turn flexibility into savings - New homeowners can benefit from Passiv’s Greener Grid Payments, providing additional value by supporting a greener national grid.
Passive Cooling Module

Affordable comfort for warmer summers

Our passive cooling module uses the ground’s naturally cool temperature to keep interiors comfortable during the summer months at a fraction of the cost of AC.

  • Low energy cooling - Uses the ground's natural temperature to cool the home without turning the heat pump on.
  • Easy compliance - A simple, cost-effective way to meet Part O and Part L building regulations regarding overheating.
  • Two-in-one system - Uses the same unit and infrastructure for both heating and cooling - no external units required.
There was no programme impact, no critical path element that added to the programme. In terms of the shared array ground source solution – it’s a parallel track.
Alisdair Donn
Head of Building Performance and Group Sustainability at Willmott Dixon
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