Deep clean and odour treatment in Caernarfon
Exposed coastal sites in North Wales call for outdoor units placed out of the wind and salt spray where possible. Homes near busy roads and kitchens around Caernarfon tend to need a deep clean more often.
If an indoor unit in Caernarfon drips from the front, a blocked drain tray is often the cause, which a deep clean clears. We cover Caernarfon as part of Gwynedd, roughly 8 miles from Bangor, Gwynedd. We cover LL55 and the streets around them.
Prices in Caernarfon
Our North Wales guide price for a deep clean and odour treatment is £135–£230 per indoor unit, VAT included. Labour rates in North Wales keep this slightly under the national middle. The price depends mainly on how many indoor units need cleaning and whether the fan and coil need a full strip-down. Typical Two units work (deep clean of two indoor units on one visit) lands around £250–£395 in this area.
One unit
Deep clean of a single indoor unit.
Two units
Deep clean of two indoor units on one visit.
Clean and service
Deep clean plus a full service of the system.
Permissions
Cleaning the indoor unit is not refrigerant work. Anything the engineer finds beyond the clean, such as a leak or a failing fan, is explained and priced before it is touched.
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. We agree the visit price before we come. On the day the engineer checks the system, carries out the agreed work and talks you through anything they find.
What is included
Included with a deep clean and odour treatment in Caernarfon:
- Fan barrel cleaning
- Test run and readings
- Drain tray and line flush and sanitise
- Dust sheets and waterproof cleaning bag
- Filter wash
Nearby
If you are just outside Caernarfon, we also work in Llangefni (8 miles), Bangor, Gwynedd (8 miles) and Porthmadog (16 miles). See all services in Caernarfon or deep clean and odour treatment across Gwynedd.

