Mirrorstone 20kW Air To Water Air Source Heat Pump For Home Heating & Hot Water

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As low as £3,799.00 RRP: £8,694.54
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Healthy & Natural


Easy Install

& No Maintenance Costs

Slash Energy Bills

By Up To 60%

Space Saving

& Discreet

Product Description
Air Source Heat Pump RHI Grant

Capable of providing you both heating, cooling and hot water, the Mirrorstone 20kW Air Source Heat Pump is a versatile, energy-efficient heating solution that will ensure your home is futureproof for decades to come.

Requiring only a small amount of maintenance every year, once your new heat pump is installed you’ll have a simple all-in-one solution to all your heating needs. This will let you get on with your day while enjoying a much more environmentally friendly method of heating your home.

Please note that this Heat Pump will require its own dedicated power line.

Air Source Heat Pump USPs

How Does A Heat Pump Work?

Heat pumps don’t burn fossil fuels. Instead, they draw in heat from the air around them, which is then sent through several steps to produce a gas that is then used to heat water. This water is then sent around your house- just like in a conventional central heating system!

Even when it’s cold, there’s still a little bit of warmth in the air that the air pump can use. This particular model can even operate even when the temperature is -25°C, so you’ll be comfy and warm even when the weather is at its worst.

This process can be reversed whenever you like, and circulate cold water through your underfloor heating or radiators too!

In addition, the lack of fossil fuels means you reduce the risk of gas leaks, carbon dioxide poisoning, and other unpleasant safety concerns that come from using combustion boilers, letting you enjoy additional peace of mind.

How Do Air Source Heat Pumps Work

How Heat Pumps Could Save You Money

If you’re swapping to a heat pump from an electric or coal-based system, then you will save an absolute fortune- up to £1400 a year in the right circumstances. If instead you’re looking to convert from a gas-based system the savings won’t be quite as good.

However, our heat pumps are between 50-60% more efficient when compared to gas boilers. Simply put, this means that they use much less energy relative to the heat they put out. That means that using them with your own source of renewable energy, such as home solar panels, is incredibly viable and could save you even more money.

As the costs of various fossil fuels shift around, the UK is committing more and more resources to ensuring its electrical supply uses more renewable sources of energy. That means that by swapping over to an electric heating system, you’ll be ensuring your home is futureproof for years to come

You’ll also be able to take advantage of various green initiatives, such as the RHI or its replacement policy, the Green Homes Grant, which will help offset initial costs and ensure you see a return on your investment much sooner.

The Right Fit For Your Home

Air Source Heat Pump Range

We have several alternative models of air source heat pump for you to choose from, letting you get the exact right fit for your heating needs.

The 20kW model is good for larger homes, or homes with poor insulation, but if it’s too powerful for your needs, then the Mirrorstone 12kW Air Source Heat Pump is a great alternative. This particular model is well-suited to the average UK home.

For a little extra kick, the Mirrorstone 22kW Air Source Heat Pump is our most powerful model. It’s designed for use in large, old properties with poor insulation, and will put out plenty of heat.

A Helping Hand

If you still have questions, whether about this heat pump or about other ways to heat your home effectively, then give our team a call on 0116 321 4124 or email us at sales@suryaheating.co.uk. We have experts on hand who are ready to help!

For extra peace of mind, this heat pump is covered by our 14 day no-quibble returns policy. If you change your mind for any reason, you can send it back to us for a refund or exchange. In the long term, this heat pump is protected by a 3-year warranty policy, so you can be certain it’s built to last.

Do bear in mind that there is a 12-week lead time when you order this product.

You can also check us out on Facebook, Instagram, Twitter and YouTube for more information as well as details on any flash sales.

Thinking Of Choosing Klarna

To make paying for your heaters easy, we've partnered with Klarna whose smart technology lets you apply for and then complete your payment application quickly and entirely online.

Once you’re happy with the items in your basket and you reach the checkout page, you have two options:

  • Buy Now Pay Later in 30 Days
  • Pay in 3 Instalments

Pay in 30 Days

For any orders up to £800, you can opt for our Buy Now Pay Later option. This simply defers your payment for up to 30 days from the date of dispatch, with no APRs or late fees.

Pay in 3 Instalments

For any orders between £35 and £1000, your second option is to pay in 3 equal instalments. This splits your payment into 3 simple steps, with the first payment on day 1 when you place your order, the second payment on day 30, and the final payment on day 60.

This also comes without any underlying credit agreements or APRs.

To be eligible for Klarna payments, you must be a UK resident, aged 18 or over. Klarna may perform a soft check which will not affect your credit score.

Delivery & Returns

All panels come with free delivery within 2-3 days, and next day delivery is available for £5.99.
You can return your panel if you are not happy with it within 14 days of receiving it.

Installation Guide

Installation of an Air Source Heat Pump should only be carried out by a qualified plumber.


Use up to 60% less energy when compared to mains gas, thanks to a return of 3kW worth of heat for every 1kW worth of energy used. Installs outside your property, helping save space indoors, whilst slotting straight into your existing heating system.

Specs Table
More Information
Wattage 20kW
Wi-Fi Yes
Manufacturer Mirrorstone
Heating Capacity 20kW
Cooling Capacity 18.2kW
Width 1110mm
Height 1350mm
Depth 420mm
Working Source Temperature Range -25℃ to 45℃
Compressor Panasonic
Controller Carel (with Wi-Fi Adapter)
House Heating Yes
Domestic Hot Water Yes
Surface Material Spray Coated
Finish Grey
Warranty 3 Years
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