Deep clean and odour treatment in Hertford
If an indoor unit in Hertford drips from the front, a blocked drain tray is often the cause, which a deep clean clears. Low rainfall and long summer days in the East of England make south-facing rooms the first to overheat.
Homes near busy roads and kitchens around Hertford tend to need a deep clean more often. Hertford sits around 17 miles from Watford, inside our Hertfordshire area. Homes in SG13 are all within our coverage.
Prices in Hertford
In the East of England, our guide range for a deep clean and odour treatment is £160–£275 per indoor unit, including VAT. Prices here sit above the national middle, reflecting East of England labour rates and parking and access costs. More indoor units, heavy build-up on the fan or a blocked drain line are what move the price towards the upper figure. As an example, the Two units option (deep clean of two indoor units on one visit) would typically be £295–£495 here.
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
A deep clean does not touch the refrigerant circuit and needs no permissions. If the engineer finds a refrigerant problem, it is explained and priced separately before anything is done.
The visit
A photo of the indoor unit's label and a short description of the problem help us price the visit accurately and bring what is likely to be needed. 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
What a job in Hertford covers:
- Fan barrel cleaning
- Drain tray and line flush and sanitise
- Filter wash
- Test run and readings
- Coil cleaner and thorough rinse
Nearby
If you are just outside Hertford, we also work in Hoddesdon (4 miles), Welwyn Garden City (6 miles) and Hatfield (7 miles). See all services in Hertford or deep clean and odour treatment across Hertfordshire.

