MCS certified heat pump installers: what the badge really means
Understand what MCS certification covers, where it falls short and what to check before choosing a heat pump installer.
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What should a room by room heat-loss calculation include?
Find out which measurements and assumptions should sit behind the heat-loss figures used to design a heat-pump system.
10 air source heat pump installation mistakes and how to avoid them
From sizing and radiators to controls and handover, good design can prevent avoidable comfort and performance problems.
Heat pump quote checklist: 20 questions to ask before you sign
Use these questions to compare heat pump design, costs, grants, warranties and aftercare before you accept a quote.
Heat pump quote red flags: the seven warning signs
A sound heat pump quote should explain the survey, system design, costs, grant handling and any projected bill impact.
Do air source heat pumps work when temperatures fall below zero?
Air source heat pumps keep working below zero, but sizing, defrost cycles and backup heat affect comfort and cost.
Air source heat pump quotes: how to compare them like for like
Compare design assumptions, equipment, grants and exclusions so you can see what each heat pump quote really includes.
Will your home's electricity supply need upgrading for a heat pump?
Find out when a heat pump may need a larger main fuse, consumer-unit work or a three-phase electricity supply.