Air handling units in Johnstone
Air handling unit servicing and repairs in Johnstone, 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 Johnstone?
Typical prices in Johnstone run from £235 to £570 per unit, per visit before VAT; a typical job (AHU service with filter change) is usually £235–£570 plus VAT. Parts and repairs are only done once you approve the price.
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 Johnstone
Johnstone is a smaller town in Renfrewshire and Inverclyde, with independent shops, offices, surgeries, pubs and local business units. Glasgow is about 17 km away.
We work across Johnstone's postcode districts, including PA5. Nearby, we also cover Paisley (about 5 km), Barrhead (about 8 km) and Erskine (about 9 km). Businesses across Renfrewshire and Inverclyde can combine servicing with any F-gas leak checks their systems need, which saves a separate attendance.
What is included
- Filter changes to the specified grade
- Fan, belt and motor checks
- Coil and drip tray cleaning
- Heat recovery device checks
- Repairs, upgrades and full replacement
Guide prices in Johnstone
Guide prices for Johnstone, set for Scotland. Your fixed price comes in writing.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| AHU service with filter change | £235–£570 | £282–£684 | per visit |
| Fan / motor replacement | £1,395–£4,750 | £1,674–£5,700 | per fan |
| Full AHU replacement | £14,350–£66,500 | £17,220–£79,800 | per unit |
Ex VAT. Filters are charged at cost for the grade specified.
The visit, step by step
Inspect
We record the AHU type, condition, filter grades and controls.
Service
Filters are changed and components cleaned and checked.
Report
Readings and recommendations are reported.
Upgrade or replace
Where needed, we quote for fan upgrades or replacement.
Things to check in Johnstone
Hygiene
Drip trays and coils must be kept clean to avoid biological growth.
Working hours
Most Johnstone businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Energy
Fan upgrades and better controls can cut energy use significantly on older units.
Leased premises
If your Johnstone premises are leased, the landlord's written consent is usually needed for external units, wall penetrations and roof access. We provide drawings and data sheets for the request.
Who we work with in Johnstone
- Warehouses and industrial: cooling for offices, mezzanines, control rooms and temperature-sensitive areas.
Compliance in Scotland: refrigerant work falls under GB F-gas rules, and systems with an effective output of 12 kW or more need a periodic energy inspection (often called TM44).
Your questions answered
How much does an air handling unit service cost in Johnstone?
In Johnstone, expect about £235–£570 per unit, per visit, plus VAT. A typical job (AHU service with filter change) is £235–£570 plus VAT. Any parts or repairs are priced before we go ahead.
Do you also cover Paisley, Barrhead and Erskine?
Yes. Alongside Johnstone, we also cover Paisley, Barrhead and Erskine. Each has its own page with local guide prices.
Which postcodes do you cover in Johnstone?
All of them, including PA5. 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.
Do you handle crane lifts?
Yes, we plan craneage, permits and lifting for replacements.
Need air handling unit servicing and repairs in Johnstone?
The visit price is agreed before we book. We reply with a guide price or available dates.