Our free home energy tools help you understand your bills, compare tariffs, check costs and make informed decisions about your home.
Interactive Tools
Our free tools make it easy to understand your energy usage, compare tariffs, and find the best options for your home.
Compare your usage against 40+ UK tariffs and find the cheapest, greenest or best rated deal for your home in 2 minutes.
Find out exactly what each appliance in your home costs to run every day, month and year — and which ones are quietly draining your bills.
Get an estimated EPC rating for your home in 2 minutes — without waiting for an assessor. Find out what’s dragging your score down and get suggestions to improve your rating.
Answer 5 questions and find out exactly which free government grants you qualify for right now — and how to claim them.
Interactive Tools
Making decisions about your solar system is easier when you can see the numbers clearly. Our free tools help UK homeowners understand solar panel costs, potential generation and savings, while making it easier to spot when an existing system isn’t performing as expected.
Get a diagnosis in under a minute. The tool identifies the most likely cause, tells you exactly what to do next, and gives you the direct phone number for your inverter or battery manufacturer if you need to call.
Our Promise
Our business isn’t about selling solar panels, fitting heat pumps or supplying your energy. We give UK homeowners the information and tools they need to compare energy options, understand potential savings, use effective calculators and choose what works best for their home.
Common Questions
We update our calculators weekly using official Ofgem price cap figures and real-world installation data from across the United Kingdom.
Our free home energy tools require no signup, subscription or email address. If you choose to switch energy supplier through one of our links, we may earn a small commission, but this doesn’t influence our recommendations or advice.
Still have questions? Our structured courses offer deeper, step-by-step guidance on transitioning your home to green energy. Join our free skool community through our course page to access this.