Energy saving guides
Practical, no-nonsense guides to understanding and cutting your home energy costs. Each one links to the calculators that put numbers to your own situation.
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Solar Panel Costs & Savings
Work through solar sizing, installed cost, savings, export income, payback, and battery value with t…
Topic guideHome Heating & Cooling Costs
Compare heating and cooling running costs, seasonal efficiency, upgrades, and payback with transpare…
Topic guideElectric Vehicle Ownership Costs
Estimate EV charging cost, charging time, and EV-versus-gas ownership economics with transparent cal…
All guides
Kill A Watt vs Smart Plug: Which Should You Buy?
Choose a simple on-device meter or connected monitoring and schedules based on the appliance and the data you actually need.
9 min readBest Electricity Usage Monitors (2026): 3 Types Compared
Choose the right way to measure one appliance, automate a plug, or track whole-home and circuit-level electricity use.
6 min readIs Solar Worth It? How to Actually Tell
Solar is a great investment for some homes and a poor one for others. Here is how to tell which you are, without the sales pressure.
7 min readHow to Read Your Electricity Bill (and Cut It)
Most people never read past the total. Understanding the parts of your bill is the first step to shrinking it.
9 min readHow to Lower Your Electricity Bill: 12 Proven Ways
A ranked, no-fluff list of what actually moves the needle on your bill, biggest savings first.
7 min readWhat Uses the Most Electricity in Your Home?
Heating, cooling and anything that makes hot water dominate — here is the full pecking order.
8 min readHeat Pump vs Gas Boiler: Which Is Cheaper to Run?
The answer hinges on one ratio — your electricity price versus your gas price. Here is how to tell.
6 min readHow Many Solar Panels Do I Need for My House?
Sizing solar wrong is the most expensive mistake homeowners make. Here is the actual maths, in plain English.
6 min readSolar Panels vs. Battery Storage: Which Should You Buy First?
They solve different problems. Here is how to know which one your home actually needs first.
5 min readHow Much Does It Cost to Run a Space Heater All Night?
A common worry with an easy, exact answer once you know the wattage and your rate.
7 min readTankless vs. Tank Water Heater: Real Cost Comparison
Tankless heaters save energy but cost more upfront. Here is when that trade actually pays off.
5 min readHow Much Does It Cost to Charge an EV at Home Every Month?
Usually far less than petrol — here is the real monthly number, not just cost-per-mile.
8 min readLevel 1 vs. Level 2 EV Charger: Is the Upgrade Worth It?
The upgrade is about speed, not running cost — here is who actually needs it.