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Appliance buying questions, answered briefly
Short answers, with a link to the full guide when the details matter.
Why does a fridge that used to be A+++ now show class D or E?
The EU and UK rescaled the energy label to A–G in March 2021. The appliance did not get worse; the scale became stricter. Compare annual kWh instead. Label guide
Is motor wattage a good guide to vacuum suction?
No. Motor watts measure power drawn, not suction. Air watts and dust pick-up tests based on IEC 62885 methods are better indicators. Vacuum specs
What size washing machine do I need?
A 7–8 kg drum suits most households of two to four. Larger drums only save energy when filled.
How do I size an air purifier?
Smoke CADR in cfm should be at least two-thirds of the room area in square feet, or aim for about five air changes per hour. CADR sizing
Is a heat pump tumble dryer worth the extra cost?
For households drying several loads a week, usually yes: heat pump models typically use around half the electricity of condenser dryers.
What is Matter in smart home devices?
A standard from the Connectivity Standards Alliance that lets one device work across Apple Home, Google Home, Amazon Alexa and SmartThings, often over a Thread mesh network.
Do air fryers really save energy?
For small portions, yes, because they heat a much smaller cavity than a full oven.
How often should I clean my washing machine?
Run an empty maintenance wash at 60°C or hotter monthly, wipe the door seal and leave the door ajar. Full schedule
Do you accept payment for rankings?
No. Manufacturers cannot pay to change placement or wording. Our method