Leak detection and regassing in Derry/Londonderry
In Northern Ireland, homes on oil or electric heating can look at air-to-air systems for efficient warmth. If an older system in your Derry/Londonderry home uses R22, replacement is usually the route, because it can no longer be recharged.
Flare joints are a frequent leak point on older split systems, so they are among the first things checked on a visit in Derry/Londonderry. Derry/Londonderry is one of the main towns we cover in County Londonderry, alongside Coleraine and Limavady. We cover BT48 and BT47 and the streets around them.
Prices in Derry/Londonderry
Guide prices around Derry/Londonderry run from £225 to £895 leak find, repair and recharge including VAT. Labour rates in Northern Ireland keep this slightly under the national middle. The main variables are the number of indoor units, access to the outdoor unit and whether any parts are needed. For reference, the Standard option in Derry/Londonderry (leak in pipework or valve, full recharge) usually comes to about £365–£595.
Simple
Accessible flare joint leak, small charge.
Standard
Leak in pipework or valve, full recharge.
Complex
Hidden or coil leak, multiple visits.
Regulations and records
Any work on the refrigerant circuit in Derry/Londonderry, from regassing to removal, must be done by F-gas certified engineers, with records kept.
The visit
Before booking, tell us the make and model and what the system is doing. We confirm the visit price, then the engineer arrives with the right equipment and, where possible, the right parts. Visits in Derry/Londonderry are booked at a price agreed with you in advance. If the engineer finds anything beyond the agreed work, they explain it and price it before carrying it out.
What is included
What a job in Derry/Londonderry covers:
- Repair of joints or components
- Deep vacuum
- F-gas record entry
- Leak search with calibrated detectors
- Recharge by weight to the nameplate
Nearby
Neighbouring places we cover include Strabane (14 miles), Limavady (15 miles) and Coleraine (27 miles). See all services in Derry/Londonderry or leak detection and regassing across County Londonderry.