Air conditioning servicing in Dartford
When was your Dartford air conditioning last looked at? We service systems in houses, flats, shops and offices throughout the borough, regardless of who installed them. One visit a year keeps the air clean, holds the running costs down, clears the drain before it blocks, covers any leak check the regulations require and finds the small faults before the first hot weekend does.
Book a service
Three details and we call you back with the next step.
- Whoever fitted it, we maintain it
- Statutory leak checks done on time
- Readings written down and left with you
What do we do on a service visit?
- Wash the filters and clean the indoor coil and fan.
- Flush and test the condensate drain, since a blocked drain is behind most dripping units.
- Clear the outdoor coil of leaves, seed fluff and road dust.
- Check the electrical connections, the isolator and the controls.
- Measure the supply and return air temperatures and record them.
- Inspect the pipework and joints, with a formal leak check where the refrigerant charge calls for one.
How often does a system need it?
Annually for most homes, and spring is the time, before the first heatwave arrives. Cafés, salons and busy shops clog their filters faster and may need two visits a year. Where you have the manufacturer's handbook, keep to its interval, because the warranty may depend on it. Between visits the washable filters in the indoor unit lift out and rinse under the tap in a minute.
Which systems need a leak check by law?
Those holding 5 tonnes of CO2 equivalent or more of refrigerant, a measure based on the gas's global warming potential rather than its weight.
| Refrigerant charge | Minimum frequency |
|---|---|
| 5 tonnes or more, below 50 | Every 12 months |
| 50 tonnes or more, below 500 | Every 6 months |
GOV.UK equates 5 tonnes to 2.4kg of R410A, a threshold that catches many larger domestic splits and almost every commercial system, while a small unit on a lower-impact refrigerant may sit below it. Where a leak detection system is fitted the interval doubles. The rating plate on the outdoor unit tells us which side of the line you are on. Source: GOV.UK.
How much is a service?
Checkatrade's national guide puts a one-off service at £70 to £120 per unit. Several units at one address, difficult access or a commercial system shift that figure, so tell us how many units there are and where they sit and we price the visit before we book it. How we price in general is explained on our air conditioning in Dartford page. Source: Checkatrade.
Who is qualified to touch the refrigerant?
Only an engineer holding an F-gas qualification: Category 1 covers all work, Category 2 smaller systems, Category 4 leak checks that do not open the circuit. A firm working on systems it does not own must also hold a company certificate from an approved body. Rinsing a filter needs no qualification at all. The F-gas guide shows how to check any firm before you let them in. Sources: GOV.UK on qualifications; GOV.UK on companies.
Questions people ask
Our system was fitted by a firm that has closed. Can you take it on?
Yes. The make and model from the label help, and any old service record helps more, but we can work without either.
Does a service include a gas top-up?
No. A sealed system should lose nothing, so a low charge means a leak, and finding it is a repair rather than a service.
I manage a block with units in several flats. Can you do them together?
Yes. Send us the addresses and we group them into one visit.
Sources we checked
Worth knowing before you ring
With these we can usually tell you on the first call whether the job is simple.
- The postcode
- Whether it is a house, a flat or business premises, and roughly its age
- If you rent or lease, who owns the external wall
- Which room, how big, and the direction its window faces
- Any management company, conservation area or listing that applies
Air conditioning servicing outside Dartford
Looking for air conditioning service in one of the towns around us? Each page below sets out that place's own housing and planning position, and our air conditioning in Dartford page gives the full picture.
Worth reading first
How to check an air conditioning installer on the F-gas register
The company certificate, the engineer's category and where to look them up.
What does air conditioning cost to fit and to run?
Where the money goes: the unit, the labour, the wiring, the electricity, and the extras a flat or a new estate brings.
What size of air conditioner does a room need?
Kilowatts and BTU by room size, with the adjustments that matter.
Jobs that often go with this one
The rest of what we do
Air conditioning installation
The whole job from the first measurement to the handover of the remote, with every consent checked on the way.
Home air conditioning
The back bedroom, the new flat with the glass wall, the loft nobody can sleep in: cooled in summer, warmed in winter.
Air-to-air heat pumps
The same wall unit, run the other way: a room heated for pence an hour, with the summer cooling thrown in.
Multi-split air conditioning
Several rooms, one box in the garden. The design that fits inside a semi's single permitted outdoor unit.
Conservatory air conditioning
For the glass room that is a greenhouse in July and a fridge in January, and the garden office beside it.
Office air conditioning
Offices from a room above a shop to a floor on a business park, with the heat rules and the landlord dealt with.
Commercial air conditioning
Retail and hospitality premises, sized with the door open and the bedroom over the shop remembered.
Server room cooling
Dedicated cooling for the rack, calculated from the wattage on the plugs and running when the office is dark.
Want us to ring you?
A name, a number and a postcode is enough. Say which room if you can. Or ring 01322 952910.