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HEAT SAVIOUR

Making heat pump installations simple

As the UK accelerates the transition to Low carbon heating, more properties are being upgraded with air source and ground source heat pumps. But retrofitting heat pumps into existing housing stock can be complex, costly, and disruptive unless you use Heat Saviour

Heat Saviour is a prefabricated, smart retrofit interface that simplifies heat pump installation, protects the system long-term, and delivers real value for social landlords, local authorities and heating professionals

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HEAT SAVIOUR

What Is Heat Saviour ?

Heat Saviour is a pre-assembled retrofit unit designed to make air source heat pump and ground source heat pump installations in existing homes easier, more affordable, and more reliable.

When you’re upgrading from a gas or oil boiler to a low-carbon heating system, you don’t want to overhaul your entire pipework. Heat Saviour makes your home heat pump ready, reducing install complexity and protecting your investment.

Why its ideal for social housing & Council projects?
  • Reduces installation time and labour costs – Ideal for retrofit programs
  • Minimises system downtime – essential for keeping tenants warm
  • Built in backup heating – ensures no loss of heating during maintenance or pump failure.
  • Works with all major heat pump brands – no compatibility headaches
  • Reduces glycol use by 80% - Lower glycol volume, cleaner, more reliable system.
  • Supports compliance with low carbon heating initiatives and net zero targets.
Installer benefits:
  • Pre- engineered and ready to install
  • Cut heat pump installations costs
  • Reduce glycol usage by over 80%
  • Uses standard off the shelf components
  • Supports retrofit work in older or mixed heating systems
  • Simplify maintenance with no need to drain radiators
How Heat Saviour Supports Heat Pump Installations
Learn how Heat Saviour reduces installations costs and simplifies heat pump installations for retrofit projects.
Ideal for Heat Pump Retrofits in Existing Homes
Whether you’re upgrading to an air source heat pump in a Victorian terrace or installing a ground source heat pump in a modern property, Heat Saviour is the smart retrofit solution that simplifies the process, while saving time, money, and hassle.
Who Should Use Heat Saviour?
  • Social housing landlords: Keep properties warm, reduce callouts, and hit decarbonisation targets
  • Councils and housing associations: Deliver low carbon heating upgrades efficiently and at scale.
  • Installers: Simplify retrofit installs, speed up heat pump installations, and improve long term customer satisfaction.
Designed for Installers.
Built for Homeowners.
  • Fast install using standard components
  • Avoids common retrofit challenges
  • No major plumbing reworks
  • Supports clean heat initiatives and net zero homes
Ready for a Heat Pump, Make Sure You Ask for Heat Saviour.
Don’t let complexity or hidden costs delay your move to sustainable heating.
Protect your system. Improve performance. Future-proof your home.
Backup Heating & Hot Water
Featuring integrated backup heating and hot water functionality through our partnership with Vericon Systems. This enhancement ensures uninterrupted service, real-time monitoring, predictive maintenance, and improved energy efficiency, delivering greater reliability, cost savings, and peace of mind.
As the government pushes for wider heat pump adoption across the UK, its vital that installations are cost effective, scalable, and reliable. Heat Saviour supports this mission by making each installation smarter faster and easier to maintain.
Supporting Low Carbon, High impact Retrofit programs
As the government pushes for wider heat pump adoption across the UK, its vital that installations are cost effective, scalable, and reliable. Heat Saviour supports this mission by making each installation smarter faster and easier to maintain.
Ready to Deliver Better Heat Pump Retrofits
Whether you’re managing a retrofit program or delivering one home at a time, Heat Saviour helps you do it smarter, cheaper and more reliably.
Contact us to ask about Heat Saviour and find your nearest stockist.
Whether you’re managing a retrofit program or delivering one home at a time, Heat Saviour helps you do it smarter, cheaper and more reliably.
CONTACT US TODAY

Heat Saviour – Frequently Asked Questions

What is Heat Saviour and how does it work?

Heat Saviour is a pre-assembled 600 mm-square retrofit module that sits beneath your hot-water cylinder and hydraulically links any air- or ground-source heat-pump to your existing heating loop via a plate heat-exchanger. Its dual-circuit design keeps the refrigerant/glycol side entirely separate from your radiators, protecting the pump from sludge and allowing installers to use standard, readily available components.

How does Heat Saviour cut installation time and cost?

Because it arrives fully built and avoids wholesale pipework changes, Heat Saviour can trim labour by about 20 % and save homeowners up to £2,000 on a typical retrofit. Less time on site also means less disruption—and makes the government’s £7,500 Boiler Upgrade Scheme voucher stretch further.

Do I need to replace my radiators or pipework?

Usually not—the dual-loop layout lets the new heat pump run independently of your existing central-heating circuit, so most homes keep their current emitters and pipes intact. Only badly undersized or single-pipe systems will need additional work, which your installer will flag during the survey.

How much space does the unit require?

Heat Saviour is designed to slide into a standard 600 mm × 600 mm airing-cupboard footprint beneath a conventional hot-water cylinder. That makes it a good fit for UK homes where cupboard real-estate is tight.

Is it compatible with any heat-pump brand?

Yes—the plate-exchanger interface works with all MCS-approved air- and ground-source heat-pump models, so you’re not locked into proprietary parts.

Does Heat Saviour improve reliability and maintenance?

Keeping the glycol loop separate slashes sludge ingress and cuts glycol use by around 80 %, leading to fewer filter blockages and call-backs. Installers can service the pump without draining the whole heating system, reducing downtime for occupants.

Is there built-in backup heating?

Yes—a factory-fitted electric immersion element can be switched manually or via remote controls, keeping the house warm during pump maintenance or extreme cold snaps.

How does Heat Saviour benefit Boiler Upgrade Scheme applicants?

By shaving thousands off the upfront plumbing bill, Heat Saviour often leaves the £7,500 BUS grant covering most—if not all—of the remaining equipment cost, making a heat-pump swap financially easier.

What warranty does the product carry?

Hewer FM offers a lifetime parts guarantee on the Heat Saviour module itself, plus the standard manufacturer warranty on any paired heat-pump.

Has Heat Saviour been used in real homes yet?

Yes—more than 1,000 social-housing properties have already been fitted with the unit, with zero post-installation call-backs reported to date.

Novuna

Hewer Facilities Management Ltd (FRN 937111) is authorised and regulated by the Financial Conduct Authority. Hewer Facilities Management Ltd acts as a credit broker and not a lender and do not receive a fee for the introduction.

Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC authorised and regulated by Financial Conduct Authority. Finance options are offered subject to status and credit check which must be completed before commencement of works. A 14 day cooling off period applies to all applications. If cancelled within 14 days, alternative payment of full outstanding balance must be made.

Please note: Our insurance is provided by Aviva to a sum of £10m and any dispute resolution is managed by Besa.

Hewer Facilities Management Ltd, Company number 5832269, Company VAT number: 247120236, registered in England and Wales. Registered office address Unit G1, The Aquarius Centre Edison Close, Waterwells, Quedgeley, Gloucester, GL2 2FN