HVAC & Air Conditioning Maintenance for commercial buildings
Servicing for air conditioning, ventilation, heating and air handling units.

What is HVAC and air conditioning maintenance?
HVAC maintenance is the servicing of heating, ventilation and air conditioning equipment, such as split and cassette units, VRF systems, air handling units and boilers, so it runs efficiently, stays compliant and fails less often.
What does our HVAC and air conditioning maintenance service include?
- Air conditioning servicing and filter changes
- F-gas leak checks and records
- Air handling unit and fan coil servicing
- Boiler and heating plant servicing
- Extract and kitchen ventilation checks
- Breakdown repairs and replacement quotes
What are the legal requirements?
Systems holding fluorinated gases above set thresholds need periodic leak checks by certified engineers under the F-gas regulations, and air conditioning systems over 12kW need a TM44 energy inspection at least every five years.
How much does HVAC and air conditioning maintenance cost?
| Example site (outside London) | Guide price per month |
|---|---|
| Small office, about 2,000 sq ft | £110 – £240 |
| Medium office, about 10,000 sq ft | £330 – £750 |
| Large office, about 40,000 sq ft | £1,200 – £2,700 |
Guide prices for HVAC and air conditioning maintenance only, excluding VAT, based on 2026 UK market rates. Your fixed price follows a free site survey.
In London, prices are typically around 25% higher, and around 10% higher across the South East.
Which buildings do we look after?
Offices, retail, server rooms, gyms and hospitality venues with air conditioning, ventilation and heating plant.
Frequently asked questions
How often should office air conditioning be serviced?
Most commercial systems are serviced twice a year, with filters cleaned more often in dusty or busy spaces.
What does an AC service cost?
Commercial PPM for split and cassette units is often around £180–£350 per indoor unit per year for two visits, depending on access and system type.
Do you handle F-gas records?
Yes. Leak checks are logged and the records are kept with your compliance file.
HVAC & Air Conditioning Maintenance by area
Related services

Window & Facade Cleaning
Water-fed pole, rope access and cladding cleaning for commercial buildings.
Learn more →
Washroom Services
Sanitary bins, hygiene units, dispensers and consumables on a schedule.
Learn more →
Grounds Maintenance
Grass cutting, hedges, planting, litter picking and car park upkeep.
Learn more →
Winter Gritting & Snow Clearance
Forecast-led gritting of car parks, paths and entrances through winter.
Learn more →Get a fixed-price facilities proposal
A free site survey, a written specification and a monthly price, with no obligation.