Air source and ground source heat pump guides
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…
High heat pump bills almost always trace back to five things: flow temperature, weather compensation, short cycling, tariff or sizing. Work through this diagnostic checklist to find your…
Ice under your heat pump, gurgling pipes and defrost fault codes usually mean frozen condensate. How to thaw it safely — and the lagging and drainage fixes that…
A used heat pump loses the £7,500 grant, the warranty and the right sizing for your home. Here is the maths on why second-hand units rarely beat a…
Heat pump error codes differ by brand, but the faults behind them fall into six categories. Here is what you can safely check yourself — and when to…
Once a week your heat pump heats the hot water cylinder to 60°C to kill Legionella bacteria. Here is why, what it costs at 2026 prices, and the…
A heat pump service runs £180 to £300 in 2026 and most manufacturers make it a warranty condition. What gets checked, what Octopus and Hometree's new plans offer,…