Guides

Twelve guides, in five categories. Each one shows its working — the formula, the assumptions, and what to check before you spend.

Heating & Cooling

About half of a typical bill (ENERGY STAR). Start with the thermostat, then water heating.

Guide · Heating & Cooling

best thermostat temperature winter; thermostat setback savings; what temperature to set heating

Guide · Heating & Cooling

water heater temperature setting; hot water tank insulation; water heating timer savings

Guide · Heating & Cooling

winter energy saving checklist; summer cooling saving tips; prepare home for winter energy

Bulbs, standby power and the appliances that run all day. Small swaps, measured in kWh, not guesses.

Guide · Lighting & Appliances

phantom load cost; vampire power electricity bill; should I unplug appliances

Guide · Lighting & Appliances

which bulbs to replace with LED first; LED vs halogen cost; how much do LED bulbs save

Draughts are cheap air leaks to fix. Insulation is a bigger spend — ranked here by payback.

Guide · Insulation & Draughts

cheapest draught proofing; draught excluder doors windows; how to find draughts in your home

Guide · Insulation & Draughts

loft insulation savings; wall insulation cost payback; floor insulation worth it

Read the bill you have, understand the tariff you are on, and check grants before you spend.

Guide · Bills & Tariffs

What is kWh on my bill; energy bill standing charge explained; how to find my electricity rate

Guide · Bills & Tariffs

whole home energy audit; room by room energy audit; how to audit your home energy use

Guide · Bills & Tariffs

time of use tariff explained; fixed vs variable energy tariff; what is a standing charge

Guide · Bills & Tariffs

energy efficiency grants UK; home energy rebates US; insulation grant check

Twelve savings that need no landlord permission — plus the fixes to ask about, with the numbers to back the ask.

Guide · Renters

renter friendly energy savings; save energy in a rented flat; no landlord permission energy saving