The End of Cylinders - Meet Smarter Heat

Leave inefficient cylinders behind and upgrade to a modern Rendesco Cylinder-Free Solution

Introducing Rendesco Flow: Your complete home energy solution

Find out how much you could save in 60 seconds 

Why Choose Rendesco Flow?

Installed in Just One Day

  • Replace your boiler in just one day
  • No week-long distruption

 

Lower Upfront Cost

  • No hot water cylinder required
  • Simpler installation.
  • Minimal disruption.

 

Direct Boiler Replacement

  • Designed to replace gas or oil boilers
  • No major home modifications needed

 

£7,500 Government Grant Available

 

Lower Energy Bills

  • Smart controller with integrated battery storage
  • Charge off-peak and use energy when rates are higher

 

Built to Last

  • Longer lifespan than traditional gas boilers
  • Better long-term value

Get a quote and see your personalised savings in just 60 seconds

 

Our innovative HIU is installed directly in place of your old boiler and works with your heat pump to deliver instantaneous hot water, removing the need for a bulky cylinder and making the switch to low-carbon heating simple.

 

The Flow app gives you 24/7 visibility of your equipment, sends real-time notifications on system health, and shows how much you're saving on your energy bills.

 

Rendesco Care keeps your system running at its best with 24/7 monitoring, expert support, and smart optimisation that, in conjunction with your batteries, shifts energy use to cheaper periods to keep bills down.

How it Works

 

                               home-survey                                                  grant-application                                                     1-day-install

                             Home Survey & Plan                          System Design & Grant Application                          One Day Installation                         

                          Check your property, heating,                                       Custom plan created, and £7,500                                  Old oil boiler removed → New Rendesco   

                                 insulation, & electrics                                                     grant  support (if eligible)                                                           Flow Heat Pump fitted.               

                                                                          smart-controls                                                        ongoing-support

                                                     Battery + Smart Controls                                         Ongoing Support

                                                           A battery system and intelligent controller                                   8-year warranty + maintenance 

                                                                      optimise your energy usage.                                                           for peace of mind.

 

Frequently Asked Questions (FAQs)

Is Rendesco Flow Suitable for my home?

Most properties currently using gas or oil boilers are suitable. A survey confirms compatibility and system sizing.

Do I need a hot-water cylinder?

No, the compact unit provides hot water without a cylinder

Will I need to replace my radiators?

In some cases, minor radiator upgrades may be recommended to maximise efficiency. Rendesco assess this during the survey.

What disruption should I expect?

Installation typically takes just one day, significantly reducing disruption compared to traditional cylinder-based systems.

How do batteries reduce my bills?

The system charges batteries during off-peak electricity rates and uses stored energy when prices rise - reducing your overall energy spend.

What happens if I don't qualify for the grant?

Rendesco will provide transparent pricing and finance options where available

What warranty is included?

8-year extended warranty and maintenance package for long-term peace of mind.

Is it noisy?

Modern heat pumps are quiet; we position equipment to minimise sound.

What happens in very cold weather?

Rendesco Flow optimises performance for year-round comfort.

Who maintains it?

Rendesco do. RendescoCare provides 24/7 monitoring and rapid response – view our ongoing support options here