EXPERIENCE THE WARMTH

OF A HEAT PUMP HOME

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Heat pump and renewable energy specialists for Oxfordshire and Buckinghamshire


We install high efficiency heat pumps offering customers a reliable and low-carbon alternative to oil and gas boilers.

100% of our customers say their homes feel warmer and cosier with a heat pump.

With a £7,500 government grant available, and zero VAT on installations, there’s never been a better time to switch.

How can we help?

We are here to support you every step of the way.

Learn about heat pumps & renewables
Get an estimate
Request design consultation
Receive installation updates
Book annual servicing

Installation services

We offer a wide range of heat pump and renewable energy solutions from design to installation to ongoing maintenance.

And we can even do full project delivery of your entire renewable installation.​

What we do
Man smiling while maintaining an air source heat pump unit.

Looking for servicing? You’re in safe hands

Annual servicing is essential for ensuring you get maximum efficiency from your renewable technologies. What’s more, annual servicing is part of the Government BUS grant requirement as well as for maintaining manufacturer warranties. You don’t need to be a Delta T installation customer to benefit from this service.

Book annual service
Delta T's team of heating engineers, operations staff and managing directors standing in front of the company's fleet of dark green vans.

Delta T is a dedicated team of high quality heating engineers and renewable energy specialists, committed to exceptional installations and total customer satisfaction.

Meet the team

About us

Trusted accreditations

Delta T is registered with these trusted trade organisations

Two technicians in black jackets working on an outdoor air source heat pump unit, one holding a wrench and the other adjusting a component, outside a house with a brick wall and black wooden fence.

Cutting CO2 in our region

Delta T is heart-and-soul committed to making a significant local impact in the race to cut CO2 globally. To do this, we aim to be the most obvious choice for customers by designing and installing high quality air source heat pump systems at affordable prices.

We are a young, ambitious business working with architects, home builders and individuals in Oxfordshire and Buckinghamshire who share our commitment to rapid CO2 reduction.

Our promise to you

  • Specialist, up-to-date knowledge and skills

  • High quality workmanship

  • Always doing the right thing

  • Owning the problem and the solution

  • Acting promptly

Find out more

Contact Us

To discuss options for reducing your heating emissions:​

Call us: 01844 395396

Email us: sales@deltatheating.co.uk

Message us: using this form