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How two homeowners scored a heat pump with their mortgage (and how you could too!)

When you secure a new mortgage, the biggest milestone is usually finally getting your hands on the keys. If you’re lucky, you might get a “congratulations” card in the post. You certainly don't expect your lender to foot the bill for a brand-new, low-carbon heating system! But late last year, Lloyds Bank did exactly that. If you accepted your first illustration to take out a new mortgage or switch deals with them between mid-October and late November, they offered to foot the bill for a standard heat pump installation by us here at Octopus

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How Allan ditched oil for a heat pump in record time — then his neighbour got one too

Allan, a homeowner in Ormesby St Margaret near Great Yarmouth, had already embraced green technology—driving an EV, generating his own power with solar panels, and storing it in a home battery. But his ageing oil boiler was the one thing he hadn’t replaced. Living off the gas grid meant relying on costly, unpredictable oil deliveries, so when his tank ran low, Allan turned to Octopus Energy for a better solution. Within days of getting a quote, an Octopus specialist guided him through the process, and a tailored system was designed to suit his home’s underfloor heating.Just five days after the survey, Octopus’s expert install team had Allan’s home running on a clean, efficient heat pump powered entirely by electricity. The seamless, fast installation—and friendly engineers—left a lasting impression, and now his neighbour is getting an Octopus heat pump installed.

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Heat pump vs gas boiler | Which is better for your home in 2026?

If your boiler’s sounding more wheezy than warm and you’re dreading the thought of another big repair bill, a heat pump could be the smarter move. With government grants, lower emissions, guaranteed bill savings, and a cosier home, it’s a win-win!

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Brave the cold weather with a Cosy heat pump

Do heat pumps work in cold weather? To find out, we cranked a chamber down to –20 °C and tossed in our own Cosy air-source heat pump (and, for science, our social media manager). Spoiler: only one of them kept running at peak efficiency. Watch as we put our heat pump winter performance to the ultimate freeze-test!

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Can heat pumps clean the air in your community?

Air source heat pumps often get credit for boosting indoor air quality, but is that actually true? We spoke with an expert with a passion for making clean air a basic right, so you don't have to second-guess it.

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Heat pumps explained: costs, benefits and how they work

Your neighbour’s got one. Your friend at work is getting one. So what is a “heat pump” and how could it benefit you? If you’re new to the world of smarter, greener home heating – this guide is here to help.

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Cosy heat pump controls

Cosy heat pumps pretty much run themselves, but if you do need to change the settings, it's easy to do from the Octopus Energy App. This blog guides you through the different controls, what they're for and how you use them.

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Real voices. Real warmth.

Read all about the Cosy heat pump directly from our customers - lower bills, warmer winters, and stress-free installations.

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How much does a heat pump cost?

The typical heat pump installation we offer costs around £4,460 after the government Boiler Upgrade Scheme grant - and it could be cheaper to run than a gas boiler.

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