Priority installation and specialist advice are also part of the offer, plus an Octopus Home Mini device to track your energy use.
Low-carbon technology can save many households money over time. But it's a big upfront investment of thousands of pounds. We know that those initial costs are a considerable barrier for many people.
Find out more about .How much money could I save?
Heat pumps installed by Octopus Energy typically cost between £3,000 and £8,000, while solar panels systems typically cost between £5,000 and £12,000.
That means the 5% discount could typically save you £250-£629 on solar panels or £150-£407 on a heat pump.
Your exact prices and savings will depend on the size of the system and the specifics of your home, plus any grants you can get.
Octopus Energy will provide a no-obligation fixed price quote before you commit, which will include everything you need for your new renewable system.
Are solar panels or a heat pump right for me?
Before you commit, Octopus Energy will assess your home to determine whether it's suitable for a heat pump and/or a solar panel system.
It can also help you decide which would be best for your home, including advice on running costs, installation and tariffs.
Solar PV panelsSome owners see them as a long-term investment to futureproof against electricity price rises.
If you're considering solar panels, you'll need to think about:
LocationRoof angleShading Roof directionSystem sizeHeat pumpsThey're very energy efficient and use heat from outside to increase the temperature inside your home.
If you're considering a heat pump, think about:
Outside spaceIndoor spaceInsulationAm I eligible?
You need to be a Which? member to access this offer. But you don't need to be a current customer of Octopus Energy for it to install solar panels or a heat pump.
If you do switch your gas and electricity supply to Octopus, you'll also get £100 credit in your energy account.
Octopus Energy is currently installing heat pumps across most of England and Wales and solar across most of England. If you live outside these areas, you can sign up to find out when they can get to your home.
Octopus Energy can also upgrade you to a smart meter, if you don't already have one. You need to be an Octopus customer for it to install a smart meter or to be able to use its Home Mini to track your energy use.
The offer is open until 15 December 2023.
Find out more about .source https://www.which.co.uk/news/article/which-and-octopus-energy-launch-solar-panel-and-heat-pump-offer-ap6s66J4W7xM