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Modular air handling unit with filters and insulated ductwork on a commercial roof

Air handling units in Croydon

Air handling unit servicing and repairs in Croydon, with the visit price agreed before we come and a written report after.

  • Visit price agreed before we book
  • Written report after every visit
  • F-gas records updated where required

How much does an air handling unit service cost in Croydon?

Typical prices in Croydon run from £315 to £760 per unit, per visit before VAT; a typical job (AHU service with filter change) is usually £315–£760 plus VAT. Nothing beyond the agreed visit goes ahead without your say-so.

An air handling unit (AHU) is a large central unit that filters, heats, cools and moves air through a building's ductwork, often with heat recovery.

Working in Croydon

Premises in Croydon are often in mixed-use buildings with shared roofs and tight access, so outdoor unit positions are agreed early.

We cover every Croydon postcode, including CR0, CR7, CR9, CR90 and SG8. Neighbouring towns we cover include Wallington, Carshalton and Mitcham. If a system in Croydon is old and keeps failing, we will tell you honestly whether repair or replacement makes more sense.

What the job covers

  • Filter changes to the specified grade
  • Fan, belt and motor checks
  • Damper and actuator checks
  • Heat recovery device checks
  • Repairs, upgrades and full replacement

Local guide prices for Croydon

These guide prices are adjusted for London, where labour and access costs run about 28% above the UK guide.

Air handling units guide prices, Croydon
ItemGuide price (ex VAT)Inc VATBasis
AHU service with filter change£315–£760£378–£912per visit
Fan / motor replacement£1,850–£6,350£2,220–£7,620per fan
Full AHU replacement£19,150–£88,995£22,980–£106,794per unit

Ex VAT. Filters are charged at cost for the grade specified.

How we handle air handling units in Croydon

  1. Inspect

    We record the AHU type, condition, filter grades and controls.

  2. Service

    Filters are changed and components cleaned and checked.

  3. Report

    Readings and recommendations are reported.

  4. Upgrade or replace

    Where needed, we quote for fan upgrades or replacement.

Local points to consider

Hygiene

Drip trays and coils must be kept clean to avoid biological growth.

Roof and height work

Flat roofs, high walls and atriums need the right access equipment and edge protection. We plan towers, MEWPs or scaffold before the job, not on the day.

Energy

Fan upgrades and better controls can cut energy use significantly on older units.

Conservation areas

Historic streets and listed buildings in and around Croydon are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.

Premises we work in around Croydon

In England, systems holding 5 tonnes CO2 equivalent of refrigerant or more fall under GB F-gas rules, with regular leak checks and records; buildings with more than 12 kW of air conditioning in total also need a periodic energy inspection.

FAQs for Croydon

How much does an air handling unit service cost in Croydon?

In Croydon, expect about £315–£760 per unit, per visit, plus VAT. A typical job (AHU service with filter change) is £315–£760 plus VAT. Any parts or repairs are priced before we go ahead.

Do you also cover Wallington, Carshalton and Mitcham?

Yes. Alongside Croydon, we also cover Wallington, Carshalton and Mitcham. Each has its own page with local guide prices.

Which postcodes do you cover in Croydon?

All of them, including CR0, CR7, CR9 and CR90. Give us your postcode when you enquire and we will confirm the visit details.

Can you upgrade old AHU fans?

Yes. EC fan upgrades are a common way to cut energy use without replacing the whole unit.

How often should an AHU be serviced?

Typically every three to six months, depending on use and filter loading.

Get a guide price for Croydon

The visit price is agreed before we book. We reply with a guide price or available dates.

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