What is HVAC?
Heating, cooling and fresh air. Sorted.
HVAC is everything that heats, cools and ventilates a building. We explain every system in a British home in plain English, and find you qualified engineers when you’re ready.
Everything that heats, cools and ventilates
Pick a service for prices, what the job involves and the questions to ask before anyone quotes.
Boiler repair
No heating, no hot water, low pressure or a fault code: get a Gas Safe engineer out.
Heat pump installation
Air source heat pumps fitted by MCS certified installers, with the £7,500 grant claimed for you.
Air conditioning installation
Split and multi-split air conditioning fitted by F-Gas certified engineers.
Boiler installation
New combi, system and regular boilers fitted by Gas Safe registered installers, with fixed quotes.
Damp and mould removal
Find the cause of damp and mould, treat it, and stop it coming back.
Engineers across the UK
Choose a service, then tap your city. Each city page covers what’s different where you live: water hardness, the age of local homes, energy ratings and the grants on offer.
Popular cities
Boiler repair in 50 UK cities
Guides
Plain-English answers with UK prices and sources. See all guides →
Oil boiler servicingHeating oil prices: this month's UK price and what drives it
Heating grantsThe Boiler Upgrade Scheme: £7,500 off a heat pump
Damp and mould removalRemoving mould from walls, and stopping it coming back
Damp and mould removalHow to stop condensation on windows
Heating engineersHow to bleed a radiator
Boiler repairWhat pressure should a boiler be?
Boiler servicingWhat is included in a boiler service?
Boiler installationHow much does a new boiler cost?
Would a heat pump cost you less?
Move the slider to your yearly gas spend. On a standard electricity tariff a heat pump often costs about the same to run as gas. A heat pump tariff is where the savings come from.
Read how heat pumps work →Assumes the Ofgem price cap for October to December 2026 (gas 7.97p/kWh, electricity 26.32p/kWh), a 90% efficient boiler, a heat pump SCOP of 3, and 15p/kWh as an example heat pump tariff. Standing charges are excluded. A rough guide, not a quote.
How quotes work
Tell us the job
A few details about the house and what you need.
We match engineers
Only engineers with the right registration for the job: Gas Safe, MCS or F-Gas.
Compare and decide
Free quotes, no obligation, no pressure.
Registered engineers only
Gas work goes to Gas Safe engineers, heat pumps to MCS installers, air conditioning to F-Gas engineers and oil to OFTEC technicians.
Prices you can check
Every price on this site names its source and date, so you know what a fair quote looks like before anyone visits.
Free, no obligation
Quotes cost you nothing and you don’t have to go ahead. We don’t do the work ourselves, so we’ve no reason to upsell.