From 1st April 2025, all heat suppliers must register with the Energy Ombudsman.

Register now

Reliable heat network services, putting you first.

More than just a service provider, we’re a partner. From metering to maintenance, we make heat networks easier for you and your residents.

Trusted by the UK’s leading companies
Berkeley Group logo
Clarion Housing Group logo
The Guinness Partnership logo
Higgins Homes logo
Hill logo
Network Homes logo
Notting Hill Genesis logo
Octavia logo
St Edward logo
Telford Homes logo
Berkeley Group logo
Clarion Housing Group logo
The Guinness Partnership logo
Higgins Homes logo
Hill logo
Network Homes logo
Notting Hill Genesis logo
Octavia logo
St Edward logo
Telford Homes logo
SET UP FOR SUCCESS

Smarter installations for smoother handovers

Good data and reliable performance start with a solid installation. From supporting your contractors on new builds to managing complex retrofit metering projects, we help you avoid compliance issues, cut down admin, and futureproof your system.

Person holding up a staff ID badge while speaking to another person indoors, with Insite Installations branding visible on their clothing.
SMART METERING & BILLING

Fair for residents, full cost recovery for you

Get the right balance between cost recovery and resident satisfaction with Insite Energy’s tailored metering & billing solutions. Enjoy award-winning support, proactive monitoring, and fair tariff reviews to help keep things running smoothly.

Person seated indoors reading an Insite Energy utility bill while holding a mug, with the document held in the other hand.
A MAN WITH A VAN WON'T DO

Reliable support built around your network

Every heat network’s different, which is why we don’t take a one-size-fits-all approach. From day one, we get to know your network’s set-up and create a maintenance plan that works for it, not just around it. Whether it’s routine servicing or urgent repairs, we keep downtime low and residents happy.

Person adjusting an insulated Danfoss heat interface unit unit using a handheld testing device with cables connected.
A NEW WAY OF MANAGEMENT

Expert heat network management, without losing control

Let us handle the day-to-day while you stay in charge. With ESCo Manager, we run your heat network like clockwork; operations, procurement, resident queries, and finances all under one roof. You stay informed, we do the heavy lifting.

Two engineers wearing hard hats and high‑visibility vests reviewing documents together indoors, with one holding a folder and papers.
HEAT NETWORK CONSULTANCY, REIMAGINED

Smarter networks start with clearer insights

Tired of box-ticking reports and advice that never leaves the page? We get stuck in on site, combining data, lived experience, and practical know-how to improve your heat network where it really matters – performance, cost, resident satisfaction, and compliance.

Person wearing protective gloves using a handheld device, with Insite Maintenance branding visible on their clothing.
YOUR TRUSTED PARTNER

Trusted by many, delivering real results

Join over 90 leading housing providers and property managers who trust Insite Energy for support throughout the lifecycle of their heat networks. Whether you need a one-off fix or a full end-to-end service, we work behind the scenes to keep costs on track and residents happy.

Excellent

Our award-winning customer service is consistently rated ‘Excellent’ on Trustpilot.

94%

Our engineers resolve 94% of heat network issues on the first visit, saving time and reducing disruption.

40,000

We support nearly 40,000 homes across the UK with reliable, day-to-day heat network services.
Computer‑generated image of the Greenside Views residential development, showing a mid‑rise apartment building with balconies, varied brick and light‑coloured façades, and a planted tree in the foreground, set against an abstract graphic background.
Metering & billing - Greenside Views
The savings are genuinely impressive. There is no trade off with taking the more affordable option as one might normally expect. Not having to fit hard-wired in-home displays is a huge advantage and we’re getting a great level of energy data.
Arjun Shah
Lotus Trident
Image of Battersea Power Station viewed from across the River Thames, showing the brick industrial building with four white chimneys, set against an abstract red and orange graphic background.
Installations - Nine Elms Park
Insite’s full project management of the Battersea Power Station Phase 4A heat network meter installation will reduce risk and ease the burden on all parties involved, ensuring nothing falls between the cracks.
Emily Lister
Sales & Marketing Director, Insite Energy
The Lock residential development, showing a tall apartment building with a brick façade and balconies, set against an abstract red and blue graphic background with trees visible in the foreground.
ESCo Manager - The Lock, Greenford Quay
Insite’s ESCo Manager service means that we can centralise the administration and management of a large and complex communal heating system. [...] It also enables us to ensure a high quality of service for our residents while keeping everyone’s costs down.
Anthony Atkinson
Estates & Customer Service Director, Telford Homes
Red double‑decker bus in motion on a road, with passengers visible through the windows and Transport for London branding on the side, set against a white background with green abstract shapes.
Maintenance - South London
By providing proactive, ongoing maintenance, on top of repairing existing issues, in both the plant room and domestic dwellings, we can improve the efficiency across the network. This in turn means that costs of running it go down, making it a highly recommended service for all of our clients.
Steve Morrris
Head of Engineering, Insite Energy
THE LIBRARY

Unlock heat network expertise

Access our free library of guides and catalogues to navigate heat network solutions and empower your decision-making.

Help & support

Need help with tariffs, system performance, or account management? Our Help & Support hub has clear answers to common questions. If you need to speak to someone, we’re just a message away.

Get in touch

Whether you’re building a new development, upgrading an existing one, or just need some advice, we’re here to help.

Help & support

Need help with tariffs, system performance, or account management? Our Help & Support hub has clear answers to common questions. If you need to speak to someone, we’re just a message away.

Get in touch

Whether you’re building a new development, upgrading an existing one, or just need some advice, we’re here to help.