Air handling units (AHU) in South Yorkshire

An air handling unit (AHU) is the central plant that filters, moves and often heats, cools or recovers heat from the air for a building's ventilation system. We replace ageing units, upgrade fans and controls, and service AHUs so they keep delivering their design airflows.

Across South Yorkshire the job is priced the same way wherever you are: what is fitted, how long it takes and how far we travel. Towns we cover include Doncaster, Barnsley, Bentley, Burngreave and Chapeltown.

Air handling units in South Yorkshire at a glance

Area: South Yorkshire
Towns listed: 27, largest Sheffield
Postcode districts: S25, S26, DN1, DN5, S7 and S8
Price region: Yorkshire
Survey: Free survey (UK mainland)

What the work involves

New units must meet current ecodesign rules for fan efficiency and heat recovery. Replacements often involve crane lifts, roof work and out-of-hours changeovers. We plan the lift, temporary arrangements and isolations with you so the building can keep working.

Controls upgrade

New controls, sensors and BMS integration.

Planned servicing

Filters, belts, coils, drains and controls on a schedule.

Like-for-like replacement

New unit in the same position, connected to existing ductwork.

Guide prices in South Yorkshire

Air handling units (AHU) guide prices in South Yorkshire
Work	Guide price
Air handling unit replacement, small to medium unit, like-for-like position (per unit)	£9,350–£32,850 + VAT
Air handling unit service: filters, belts or EC fan check, coils, controls (per unit per visit)	£185–£370 + VAT

These ranges use our Yorkshire rates. Prices exclude VAT. You get a fixed written price before any work is booked.

Common reasons people call

Rising energy bills from old plant
Frequent belt or fan failures
Noisy plant rooms or rooftop units

Rules in England

In England, ventilation is covered by Part F of the Building Regulations and its guidance, Approved Document F (2021 edition). Employers have a separate duty under the Workplace Regulations 1992 to provide effective and suitable ventilation.

How the job runs

Survey
Options
Plan
Install
Commission

Towns we cover in South Yorkshire

Questions about air handling units (AHU) in South Yorkshire

Which towns in South Yorkshire do you cover?

All of South Yorkshire, including Doncaster, Barnsley, Bentley, Burngreave and Chapeltown. If your town is not listed, send the postcode and we will confirm.

How often should an AHU be serviced?

Most AHUs need servicing at least twice a year, with filters changed more often in dirty environments. SFG20 schedules are commonly used to set frequencies.

Is it worth replacing belt-driven fans with EC fans?

Often yes. EC fans are usually more efficient, quieter and need no belt changes, and the retrofit can cost much less than a new unit.

Are prices different in South Yorkshire?

Our guide prices are adjusted by region. In South Yorkshire we use Yorkshire rates, so air handling unit replacement, small to medium unit, like-for-like position is typically £9,350 to £32,850 + VAT per unit.

Is the survey free in South Yorkshire?

For new installations on the UK mainland, yes. The survey is free and the quote that follows is fixed and in writing. Servicing, testing and repair visits are charged, and we confirm the cost before booking.