Smarter Home Energy Decisions
Heat pump and home energy calculators built for real homeowner questions
Estimate running costs, compare heating options, pressure-test insulation ROI, and turn confusing upgrade choices into a clearer plan.
Heat Pump Cost Calculator
Compare current heating bills against estimated heat pump running cost and payback.
Open pageHeat Pump Sizing Calculator
Get a rough idea of heat loss range and potential heat pump size before requesting quotes.
Open pageHome Energy Cost Calculator
Estimate monthly electricity, heating, and annual energy spend using editable assumptions.
Open pageInsulation ROI Calculator
Compare upgrade cost, savings, grants, and simple payback for common fabric improvements.
Open pageAppliance Running Cost Calculator
See what everyday appliances cost to run and where simple usage tweaks might help.
Open pageHeat Pump Grants Guide
Understand the role of grants, what to check, and how incentives affect the numbers.
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Heat Pump vs Gas Boiler
Compare likely running costs, comfort profile, and emissions tradeoffs.
Explore this guideHeat Pump vs Oil Boiler
Useful for off-grid homes comparing annual costs and upgrade value.
Explore this guideBest Home Upgrades for Lower Bills
Start with the measures that often make future heating upgrades work better.
Explore this guideFresh blog starters
Built for long-tail search topics around costs, sizing, insulation, and homeowner mistakes.
Running Costs
How Much Does a Heat Pump Cost to Run?
A practical look at heat pump electricity use, tariffs, and the home factors that shape running costs.
Read moreOlder Homes
Is a Heat Pump Worth It for an Older House?
Older homes can work well with heat pumps, but the path usually starts with fabric upgrades and honest design assumptions.
Read moreComparisons
Heat Pump vs Gas Boiler Running Costs
Compare fuel prices, system efficiencies, and why headline savings figures can mislead homeowners.
Read moreComparisons
Heat Pump vs Oil Boiler Running Costs
Oil-heated homes often have a stronger savings case, but storage, tariffs, and insulation still matter.
Read moreSizing
What Size Heat Pump Do I Need?
Sizing should start with heat loss, not guesswork. Here is how to think about the numbers.
Read moreInsulation
Best Insulation Upgrades Before Installing a Heat Pump
The cheapest heat is the heat you do not need to buy. Start with the upgrades that reduce load sensibly.
Read moreFrequently asked questions
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