Gas usage for heating new homes will end by 2025, ahead of a net-zero commitment by 2050. Driven by the aims of the Future Homes Standard, finding reliable, cost-effective alternatives to gas is now a top priority for UK developers.
Low Carbon Heat Solutions
We provide a full-service approach that encompasses all aspects of a project. From the initial design and construction of the network to its adoption and ongoing operation, GTC is the expert partner for low-carbon heat solutions.
Serving Greener Communities
GTC’s practical, cost-effective, and zero-carbon-ready heat networks for low-density housing is a scalable, future-proof solution. We’re already delivering centralised low-carbon heat to new communities, facilitating the smooth transition from gas-fired heating to zero-carbon alternatives.
View our Westland Heath case study.
View our Networked Heat Pumps Brochure.
Greener Community Heat Hubs
Our community heat hub solution uses air-source heat pumps to generate low-carbon heat, delivering heat and hot water to every home through a highly insulated pipe network.
Heat pumps take heat from the air and boost the temperature using a compressor. The heat is then sent into the network so that it’s ready to keep each home warm, even on the coldest of nights, and delivers a reliable supply of hot water.
Until recently, heat networks have operated with water temperatures of around 85-90°c. New building regulations and industry guidelines now allow us to operate at lower temperatures, making plastic pipes a practical long-term solution and heat networks a very competitive option for low-density housing.
Our innovative new design uses highly insulated plastic pipes to carry water at 60°c, making it a much more cost-effective way to heat sites while keeping our customers’ homes reliably warm. Plus, there’s no need for a cylinder in the home as the network will provide instantaneous heat and hot water.
Once GTC has designed and constructed the heat network, our asset-operating sister company will adopt it. Metropolitan takes care of all ongoing operations and maintenance, along with all the service needs of the end-users, supporting the new communities connected to our networks 24/7. Read more here.
Our Community Heat Hub explained
Our networks maximise value for homeowners and housebuilders. We design our community heat hubs to meet electrical capacity constraints. We can reduce the overall site peak by up to 45% compared with individual heat pumps. This reduces the need for grid reinforcement saving housebuilders both time and money. We use the heat hub’s thermal stores to lower our electricity peak demand, using the storage to flatten our electricity use through the day.
Our thermal stores are also key to our Customer Price Promise and reducing heating bills by up to 20%. We charge our thermal stores at night, when electricity prices are at their lowest, then switch off the heat pumps during peak price times and use the supplies we’ve stored to provide cheaper heat to customers.
“As we move towards the Future Homes Standard (FHS) in 2025 and the introduction of zero carbon heating with no natural gas, the network heat pump offers an innovative solution to meet FHS. Whilst this was previously used in dense high-rise apartment schemes, this innovative approach offers the opportunity to provide community heating to other types of residential developments, including family homes. We are pleased to be trialling the GTC community heat network at Westland Heath, Sudbury.”
“Heat networks using heat pumps powered by clean, cheaper renewable energy generated here in the UK are cutting emissions and helping us take charge of our energy security. Low-carbon heat networks can help households and businesses move away from expensive fossil fuels. Systems like this one developed by GTC will accelerate the rollout of the technologies we need to achieve this.”
“We are really excited to be able to welcome new customers on our newest zero carbon heat network at Taylor Wimpey’s Westland Heath development. This is the culmination of several years of collaboration between GTC, Taylor Wimpey and Metropolitan and will showcase how new-build development can help the UK in reducing its carbon emissions. Our network solution is already better value for house builders and homeowners, compared to each house owning a heat pump. The exciting thing is that our solution provides valuable services to enable a smarter electricity grid. The Community Heat Hub provides a single exit from the electricity grid. We use thermal stores to reduce grid connection capacity and can add a battery to reduce this further. And we use this demand-side response to create more value from grid wholesale and balancing, which will reduce homeowner bills further.”
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