Install an Air Source Heat Pump

Enjoy a cosier, more efficient home — with £7,500 in government grants¹ plus exclusive savings through our group-buying scheme.

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Surrey Essex
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What is an Air Source Heat Pump?

Trusted by over 200,000 households across England, air source heat pumps are a smart, eco-friendly way to keep your home warm and efficient—especially if you already have radiators or central heating.

It works a bit like a fridge, but in reverse; instead of keeping things cold, it works by drawing natural heat from the outside air , even in winter, and bringing it indoors. The result? A cosy home powered by electricity, using far less energy than a traditional gas boiler.

How Do Heat Pumps Work?

Benefits of Air Source Heat Pumps

Energy Efficient Home
Save Energy
Save energy and possibly reduce your utility bills. Heat pumps use 3–4 times less energy than a traditional boiler, more efficiently, keeping your home warm.
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Year-round Comfort
Keep your home warm all year, even when it’s -20°C outside. Heat pumps spread heat evenly, getting rid of cold spots and keeping every room at a steady, comfortable temperature.
Climate Change
Eco-friendly Heating
Reduce emissions and reliance on fossil fuels. Heat pumps don’t burn fuel, so they reduce your carbon footprint and make your home a cleaner, greener place to live.

Types of Air Source Heat Pump

When it comes to upgrading your heating system, air-to-water heat pumps are the most popular choice for good reason. They don’t just warm your home, they also provide hot water for your taps and showers.

Types of Heat Pumps

How Much Does an Air Source Heat Pump Cost?

With a £7,500 grant from the Boiler Upgrade Scheme¹ and potential extra savings through the Switch Together group-buying scheme, some households could cut installation costs to around £3,000², depending on eligibility and circumstances.

Without these savings, installing a heat pump usually costs between £12,000 and £16,000, depending on your home's size and the system type. The good news is that most homes qualify³ for grant support and group-buying savings.

Heat Pump Price
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Air Source Heat Pump Installation

If you choose an air-to-water heat pump, the next step is getting it professionally installed, a process that’s usually faster and simpler than most homeowners expect. The full system includes a hot water cylinder and other key components, all carefully sized and configured to match your home’s layout and heating needs. Most installations are completed in just a few days with minimal disruption, so you can start enjoying the benefits of low-carbon heating.

How Are Heat Pumps Installed?

Accredited, Trusted, Switch Together-Approved

Our rigorous qualification process ensures all installers are MCS accredited and are members of a consumer code.

What is group buying?
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"We are feeling confident and happy with our heat pump, which works very well.

It was a very big project for us, but everything went smoothly, would highly recommend! "

Mick, Heat Pump owner in Essex, Switch Together participant

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Get a Heat Pump. See if Your Home’s Suitable

Now’s the perfect time to upgrade your heating. Most homes are suitable for a heat pump, and with Switch Together, you can access competitive prices and a £7,500 government grant¹ to cut your upfront costs, subject to eligibility.

Essex Surrey
Green Energy Contracts
1. Register Online

Tell us a bit about your home – it only takes a few minutes. This helps us prepare your free, no-obligation personal offer.

Personal Offer
2. Receive Your Personal Offer

You’ll receive a clear offer with estimated costs, potential savings, installer details, and warranty information.

Roof Survey
3. Home Visit

Your installer will visit to check everything is suitable and confirm the details in your offer.

Installation
4. Custom System Design

If you’re happy to go ahead, the installer will design a heat pump system that suits your home and heating needs.

Heat Pump
5. Installation & Support

Your system will be professionally installed, with strong warranties and aftercare support included for peace of mind.

How You Save More

Enjoy a warmer, greener home with help from trusted installers. With support from Switch Together, it’s easier and more affordable than ever. Alongside the £7,500 government grant¹,  you can save even more through group buying⁴.

With Switch Together’s innovative group buying model, you join forces with other homeowners to unlock lower prices — making greener heating more affordable for everyone.

What is group buying?
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Ready to Upgrade Your Heating?

Join 2,273 other households registered for our schemes.

Switch to gas‑free, low‑carbon heating and hot water for your home.

Get your free personal offer:

 

Essex  > Surrey  >

 

What Other Homeowners Think

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    "I decided it would be more beneficial to switch to a heat pump instead of replacing my boiler.  The investment felt like great value for the long-term efficiency and savings."
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    Philip Copeman, Essex
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    "Switch Together, in conjunction with the Boiler Upgrade Scheme, has saved us at least £4,000 compared to a quote received from a local company."
    Outside Installation UK 2
    Catherine Howard, Essex
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    "Switch Together made it very easy to navigate making such a big decision."
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    Elaine B, Essex

Frequently Asked Questions About Heat Pumps

Will a Heat Pump Work in Cold Weather?
Yes, air source heat pumps work efficiently in cold weather, even in UK winters. They extract heat from the air, even at temperatures as low as -20°C. Modern heat pumps are designed for colder climates, ensuring reliable heating all year round.
Can a Heat Pump Replace my Gas Boiler?
Yes, a heat pump can replace a gas boiler, providing efficient heating and hot water. However, your home may need some adjustments, such as improved insulation and compatible radiators. A professional installer can assess your home’s suitability and recommend any necessary upgrades.
What Are the Benefits of Air Source Heat Pumps?

Air source heat pumps offer several benefits, including:

  • Potential to lower energy bills compared to gas or oil heating

  • Reduced carbon footprint

  • Consistent, efficient heating throughout the year

  • Long lifespan and minimal maintenance

Is my Home Suitable for a Heat Pump?

Most UK homes can install a heat pump, but key factors include:

  • Good insulation to maximise efficiency

  • Space for an outdoor unit

  • Suitable radiators or underfloor heating

  • Space for a well-sized hot water cylinder

A professional survey can determine the best setup for your home.

Notes

¹Eligibility depends on the criteria set out by the Boiler Upgrade Scheme. Not all households will qualify.
²The £3,000 figure is an example based on a standard installation in a typical three-bedroom home, using the lowest-cost system available through our scheme in Essex September 2024. Actual costs may be higher depending on property size, system choice, and other factors.
³Over half of UK homeowners may be eligible for a grant of up to £7,500 towards a heat pump. Approximately 54% of UK homes are owner-occupied, use fossil fuel heating, and have a valid Energy Performance Certificate (EPC).
⁴Group-buying savings are not guaranteed. Savings depend on the specific auction, the system, and your circumstances.