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Maintenance and repairs

Ventilation servicing and maintenance contracts

Planned visits for AHUs, heat recovery and extract fans, with records you can show.

  • From £495 + VAT per year
  • Charged visit, price agreed first
  • Airflow tested and recorded
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Engineer in a hard hat servicing a fan inside an air handling unit

A ventilation maintenance contract is a schedule of planned visits to keep fans, filters, belts, controls and heat exchangers working at their design airflows. We set the frequency to your equipment and use, keep records of every visit, and price repairs before carrying them out.

How it works

Ventilation that is not maintained slowly loses airflow, costs more to run and fails at the worst time. SFG20 schedules are widely used to set maintenance tasks and frequencies, and many insurers and landlords expect evidence that plant is serviced.

Contracts range from two visits a year for a single unit to full multi-site schedules. Kitchen extract cleaning and LEV testing can be added to the same contract.

Options we fit

Single-site contracts

Small offices, shops and clinics with one or two units.

Multi-site contracts

Portfolios and estates on one schedule and price list.

Combined compliance

TR19 cleaning and LEV testing on the same contract.

Breakdown visits

Repair visits at the rates set out in your contract.

Signs you need this

  • No service records for your ventilation
  • Filters only changed when they block
  • Landlord or insurer asking for maintenance evidence
  • Frequent breakdowns
  • Several sites with different contractors
  • New plant handed over without a maintenance plan

Guide prices

Ventilation servicing and maintenance contracts guide prices
WorkGuide price
Planned maintenance contract, small site (up to 2 units, 2 visits a year) (per year)£495–£1,195 + VAT
Air handling unit service: filters, belts or EC fan check, coils, controls (per unit per visit)£195–£395 + VAT

Guide prices using West Midlands (our baseline) rates. Home prices include VAT at 20%; business prices exclude VAT. A guide price is not a quote: we confirm a fixed price in writing first. London is about 20% higher and the North East about 8% lower.

What happens, step by step

  1. Asset survey

    List of units, fans and systems with condition notes.

  2. Schedule

    Visit frequency and tasks agreed.

  3. Visits

    Planned maintenance carried out and recorded.

  4. Reporting

    Visit reports and recommended works.

  5. Review

    Annual review of costs and condition.

The rules that apply

England

In England, ventilation is covered by Part F of the Building Regulations and its guidance, Approved Document F (2021 edition). Workplaces must also be ventilated with a sufficient quantity of fresh or purified air under the Workplace (Health, Safety and Welfare) Regulations 1992.

Wales

Wales has its own Part F ventilation guidance, published by the Welsh Government, and work is checked by building control. The Workplace (Health, Safety and Welfare) Regulations 1992 also apply, requiring sufficient fresh or purified air.

Scotland

In Scotland, ventilation is covered by the Building (Scotland) Regulations and section 3 of the Technical Handbooks, and most building work needs a building warrant first. The Workplace (Health, Safety and Welfare) Regulations 1992 apply in Scotland too, requiring sufficient fresh or purified air.

Northern Ireland

In Northern Ireland, ventilation is covered by the Building Regulations (Northern Ireland) and Technical Booklet K. Northern Ireland has its own Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993 with the same duty to ventilate.

Questions people ask

How much does a ventilation maintenance contract cost?

A small site with up to two units and two visits a year typically costs £495 to £1,195 a year excluding VAT. Larger sites are priced from an asset survey.

How often should ventilation be serviced?

Most commercial ventilation units need servicing at least twice a year, with filters checked more often in dirty environments.

What does a service include?

Filters, fans, belts or EC fan checks, heat exchanger and drain checks, controls and a measured airflow spot-check, with a written record.

Can you take over from another contractor?

Yes. We start with an asset survey so we know what is on site and its condition.

Can kitchen cleaning and LEV testing be included?

Yes. TR19 cleaning and LEV testing can be scheduled on the same contract.

Do you quote repairs before doing them?

Yes. Any work outside the contract is priced and agreed before it starts.

Related services

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