Air Conditioning Repair
Fast air conditioning repair in the UK — no-cool, error codes, water leaks, noisy fans, frozen coils. Most repairs completed first visit.
About Air Conditioning Repair
Fast air conditioning repair in the UK — no-cool, error codes, water leaks, noisy fans, frozen coils. Most repairs completed first visit.
Our air conditioning repair work in the UK is delivered by directly employed, REFCOM F-Gas registered engineers — never sub-contracted. Every job is priced as a fixed written quote with no hidden extras and finished with a same-day service report covering operating pressures, temperatures, electrical readings and any refrigerant added or recovered.
We work across offices, restaurants, hotels, retail units, schools, clinics, gyms, server rooms and light industrial sites in the UK — from a single split system to multi-floor VRF estates — to manufacturer specification and BESA SFG20 maintenance standards.
Common issues we resolve include weak cooling or heating output, refrigerant leaks, iced coils, blocked condensate drains, error codes and lockouts, noisy fans and compressors, failed PCBs, contactors and capacitors, dirty filters, and controls that no longer match how the building is used.
What's Included in Air Conditioning Repair
- Same-day & next-day appointments
- Stocked vans = first-time fix
- Refrigerant top-up & leak repair
- All brands, all ages of system
How Air Conditioning Repair Works
- 1
Get in touch
Call or book online for air conditioning repair anywhere in the UK. We confirm scope and a fixed price.
- 2
Engineer attends
An F-Gas registered HVAC engineer attends at the agreed time, fully equipped and qualified for the work.
- 3
Work completed & reported
Work is completed to manufacturer and industry standards (CIBSE, BESA, F-Gas) and you receive a written service report on the day.
Air Conditioning Repair: Quick Answer
We provide fast air conditioning repair services for residential and general AC systems across London and the M25 area, including Kent, Surrey, and Essex. Our F-Gas certified engineers diagnose and fix issues like no-cool, error codes, and water leaks. We offer same-day and next-day appointments seven days a week, from 07:00 to 21:00, with a call-out price starting from £150 + VAT.
Common Problems We Solve
AC not cooling or blowing warm air
Our F-Gas certified engineers are experts in diagnosing and fixing a variety of air conditioning issues, including units that are running but not getting cold. We can address refrigerant levels, compressor problems, or other malfunctions quickly and efficiently.
Unusual noises or error codes from AC
Noisy fans or recurring error codes indicate a problem with your air conditioning unit. Our team is trained to identify the root cause of these issues, from mechanical failures to sensor malfunctions, providing a reliable repair solution on our first visit.
Water leaking from air conditioning unit
Water leaks from your AC can cause damage and reduce efficiency. Our F-Gas certified engineers will promptly identify the source of the leak, such as a clogged condensate drain or frozen coil, and carry out the necessary repairs to restore proper operation.
Need urgent AC repair for home or business
For urgent air conditioning issues, we offer same-day and next-day appointments across London and the M25. Our service operates seven days a week, from 07:00 to 21:00, ensuring your system is back up and running swiftly with fixed written quotes.
What People Ask About Air Conditioning Repair
How much does it cost to fix an air conditioner?
The cost to fix an air conditioner varies depending on the specific fault and parts required. We provide fixed written quotes, and our call-out fee starts from £150 + VAT. Our engineers aim to complete most repairs on the first visit, giving you a clear understanding of expenses.
What is the average cost to repair an air conditioner?
While repair costs depend on the issue, our service begins with a call-out fee of £150 + VAT, which covers our F-Gas certified engineers diagnosing the problem. We provide transparent, fixed written quotes for all work before any repairs commence.
Why is my AC running but not getting cold?
If your AC is running but not producing cold air, it could be due to low refrigerant levels, a faulty compressor, or a blocked condenser. Our F-Gas certified engineers specialise in diagnosing these 'no-cool' issues and restoring your system's functionality quickly and efficiently.
How to tell if AC is low on refrigerant?
Signs of low refrigerant include the AC blowing warm air, hissing noises, or ice forming on the refrigerant lines or evaporator coil. Our F-Gas certified engineers can accurately diagnose refrigerant leaks and levels, ensuring your system is properly charged and sealed.
Do you offer air conditioning repair near London?
Yes, we provide fast air conditioning repair services throughout London and the entire M25 area, including surrounding counties like Kent, Surrey, Essex, Hertfordshire, Berkshire, and Buckinghamshire. Our F-Gas certified engineers are available seven days a week.
Can I get a same-day air conditioning repair?
Yes, we offer same-day and next-day air conditioning repair appointments for urgent issues. Our F-Gas certified engineers are available from 07:00 to 21:00, seven days a week, to ensure your AC problems are resolved quickly and efficiently.
Are your air conditioning repair engineers certified?
Yes, all our engineers performing HVAC and refrigeration work are F-Gas certified and Refcom registered, ensuring they meet the highest industry standards for handling refrigerants and maintaining air conditioning systems. We guarantee professional and compliant service.
Key Terms
- F-Gas certified engineers
- TM44 accredited assessors
- Refcom
- London
- M25
- Kent
- Surrey
- Essex
- Hertfordshire
- Berkshire
- Buckinghamshire
- Sussex
- residential AC
- general AC
- air conditioning repair
- call-out fee
- fixed written quotes
- same-day appointments
- next-day appointments
FAQs about Air Conditioning Repair
How much does air conditioning repair cost in the UK?+
Pricing for air conditioning repair in the UK depends on system size, access and equipment specification. We always provide a fixed written quote before any work starts.
What qualifications do your engineers hold for air conditioning repair?+
Yes. Every engineer is REFCOM F-Gas registered to the appropriate category (I–IV) for refrigerant-handling and is qualified to deliver air conditioning repair in the UK.
How quickly can you attend in the UK?+
For most the UK jobs we attend the same day or next day. Emergency HVAC call-outs are available 24/7 across the UK and surrounding areas.
Do you provide a service report or certificate on completion?+
Yes — every visit ends with a full service report covering the readings taken and any parts fitted, plus an F-Gas logbook entry where refrigerant is involved and any applicable commissioning or compliance certificate.
Do you cover all sectors in the UK?+
Yes. We deliver air conditioning repair across offices, retail, restaurants, hotels, schools, hospitals, data centres and industrial sites in the UK and surrounding areas.
Related HVAC & Refrigeration Services
Our engineers can carry out any of the works below in the same visit across the UK.
Air Conditioning Installation
Professional air conditioning installation in the UK for homes and small businesses — clean cable runs, neat condensate management, and full F-Gas certification.
Air Conditioning Contractor
Trusted air conditioning contractor in the UK — design, supply, install, service and repair under one roof. REFCOM F-Gas registered, fully insured.
Air Conditioning Installers
Local air conditioning installers in the UK — REFCOM F-Gas registered fitters for homes, offices, shops and commercial premises. Free site survey, fixed written quote, tidy install and full manufacturer warranty registration.
Aircon Cleaning Service
Deep aircon cleaning service in the UK — antibacterial coil treatment, drain pan flush, filter swap. Restores efficiency and removes musty smells.
Air Conditioning Regas & Recharge
Air conditioning regas and refrigerant recharge in the UK — leak test first, repair next, recharge last. Done correctly under F-Gas regulations.
AC Leak Detection & Repair
Electronic refrigerant leak detection and repair in the UK — UV dye tracing, electronic sniffers, nitrogen pressure testing. Fix the leak before recharging.
Ready to Book Your Air Conditioning Repair?
Book a air conditioning repair, maintenance visit or inspection with our commercial HVAC engineers.
- ✓ Qualified Commercial HVAC Engineers
From £150 + VAT call-out