That ordering is the whole argument. Quote first and the calculation becomes a document that has to agree with a number you already signed. Calculate first and the number is just what the house needs.
01A call, not a visit
Fifteen minutes on the phone tells us whether this is worth either of our time. Roughly a third of these calls end with us saying not yet, and that is a fine outcome.
02The survey
Two to three hours in the house. Every room measured, every radiator recorded, the fabric assessed. You get the heat loss calculation itself, not a summary of it.
03The quote
One price, itemised, with the grant already deducted. If radiators need changing they are on the quote as a line, never a surprise after the units arrive.
04The install
Three to five days for a typical house. The old system stays live until the new one is commissioned, so you are never without heating overnight.
05Commissioning and handover
Flow temperature set against the actual calculation, controls explained once properly, and the paperwork for the grant filed by us.
The grant
£7,500 off, before you pay anything
Paid to us, not to you. It comes off the quote before you pay anything. We do the application as part of the job, and you see it as a deduction on the quote rather than as money you chase afterwards.
Asked often
Will it work in an old house?
Usually, and the honest answer is that it depends on the fabric rather than the age. A solid-wall Victorian house with the original windows needs either a larger emitter surface or some insulation work before a heat pump makes sense. That is what the heat loss calculation is for, and it is why we do it before quoting rather than after.
Will my bills actually go down?
On a well-sized system replacing a gas boiler, most households land somewhere between a small saving and a small increase, and the real gain is that you also drop the gas standing charge. Replacing oil or LPG, the saving is usually substantial. Anyone promising you a guaranteed halving of your bill is quoting a brochure, not your house.
How loud is it?
A correctly sited unit is about as loud as a fridge from a few metres away, and quieter at night because it modulates down. Siting is the variable that matters, which is why we discuss it on the survey rather than in the quote.
Do I have to change all my radiators?
No, and you should be suspicious of anyone who tells you either that you must or that you never will. On a typical install we change between two and five. The calculation names which ones.
What about the grant?
The Boiler Upgrade Scheme pays £7,500 towards an air source heat pump in England and Wales. It is paid to the installer, so you see it as a deduction on the quote rather than as a cheque afterwards. We handle the application.
How long does the install take?
Three to five days for a typical three or four bedroom house, longer if pipework is being rerouted. Your existing heating stays on until the last day.