Practical writing on quotes, installers and what the upgrades actually do.
A 3kW immersion costs about £1.66 to heat a 120-litre cylinder from cold — three times the gas price. Cylinder-size cost table, Economy 7 timing and ways to…
A 200W compressor dehumidifier costs about 5p an hour and £12.60 a month at 8 hours a day; desiccant models cost two to three times more to run.…
NIBE S2125 against the Grant Aerona 290. Similar efficiency, similar noise, wildly different price and range. NIBE only builds two sizes, which rules it out of a lot…
aroTHERM plus against Compress 5800i AW. Worcester is about ten decibels quieter on published sound power; on efficiency the two are within about 0.2 SCOP at every flow…
Samsung EHS Gen 7 R290 against LG Therma V R290. A £1,000 price gap, two different SCOP testing bases and a sound power figure LG publishes twice. What…
Ecodan R290 against Altherma 3 M on the three specs that change what you live with: published SCOP at real flow temperatures, EN 12102 sound power, and what…
A line-by-line anatomy of a UK heat pump quotation, from the room-by-room heat loss to the deposit ceiling. Includes a worked example with the grant deducted and the…
tado° X, Hive, Google Nest, Drayton Wiser and Honeywell evohome ranked on what actually differs: entry price with the hub included, warranty length, subscription cost and whether they…
Nationals publish entry prices from £3,999 after the grant. Local firms publish nothing and survey instead. We compare the trade-offs on price certainty, waiting times, deposits and whether…
Kingspan, Celotex, Rockwool, Knauf and Superglass compared on published lambda, merchant price per square metre and fire classification, with prices checked in July 2026.