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Air Conditioning Repair

Air Conditioning Repair

Find trusted professionals and suppliers for HVAC products, installations, repairs and services.

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Post Your Air Conditioning Repair Job

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Engineers typically respond within 24 hours.

What Is Air Conditioning Repair?

Air conditioning repair involves diagnosing the cause of a system fault and carrying out the necessary fix — whether that's replacing a failed component, repairing a refrigerant leak, clearing a blocked drain, or resolving an electrical issue. A professional repair restores your system to safe, efficient operation and prevents further damage. HVACX is a marketplace — we connect you with independent engineers who carry out the repair work. We do not perform repairs ourselves.

HVACX is a marketplace. We connect customers with independent HVAC engineers and contractors across the UK. We do not perform services ourselves — you deal directly with the professional you choose.

Equipment Covered

Wall-mounted split systems

Multi-split systems

Ceiling cassette units

Ducted air conditioning systems

VRF and VRV systems

Air-source heat pumps

Portable and window units

Common Problems & Jobs

System not cooling or heating — possible refrigerant leak or compressor failure

Water leaking from the indoor unit — blocked condensate drain

Error code displayed on the remote or controller

Unusual noises — grinding, buzzing or rattling from indoor or outdoor unit

System short-cycling — turning on and off repeatedly

Outdoor fan not running or running erratically

Remote control or thermostat not responding

Ice forming on the indoor coil or refrigerant pipes

Relevant Professionals

HVACX connects you with air conditioning repair engineers, refrigeration engineers, and F-gas certified technicians who can diagnose and fix faults across all major brands. All professionals on HVACX are independent — browse reviews and ratings, compare quotes, and choose the engineer that responds fastest and fits your budget.

Relevant Products

RYMA12B
VRF / VRV SystemsNewHeat pump VRF
Daikin RYMA12B
MPN: RYMA12B · 12 HP
£10,010
3-5 days
10 in stock
R323 years
Listed by HVACX Marketplace

The Daikin RYMA12B represents the pinnacle of modern climate control, functioning as a sophisticated outdoor heat pump unit engineered for versatile VRF (Variable Refrigerant Flow) applications. Designed to handle demanding environmental requirements, this unit excels in both residential and light commercial settings, providing reliable, high-performance heating and cooling throughout the year. Its advanced architecture prioritizes energy efficiency, utilizing smart inverter technology to modulate compressor speed and minimize power consumption, resulting in significant operational cost savings. The RYMA12B is built for long-term durability, ensuring quiet operation and consistent thermal comfort even during extreme weather conditions. By intelligently adjusting its output based on real-time demand, the system maintains precise temperature stability across multiple indoor zones, making it an ideal choice for modern open-plan homes, boutique offices, or retail environments where space and comfort are at a premium. With its robust build quality and commitment to environmental sustainability, this Daikin unit integrates seamlessly into complex HVAC configurations, offering professionals a dependable foundation for customized indoor climate management. The system is engineered to simplify installation while maintaining the high standards of performance that the industry expects from Daikin’s specialized heat pump lineup.

RYMA10B
VRF / VRV SystemsNewHeat pump VRF
Daikin RYMA10B
MPN: RYMA10B · 10 HP
£8,580
null
10 in stock
nullnull
Listed by HVACX Marketplace

The Daikin RYMA10B stands at the forefront of modern climate control, serving as a high-performance heat pump module engineered for demanding VRV/VRF applications. Designed to deliver unparalleled comfort, this robust unit provides precise heating and cooling solutions for large-scale commercial buildings, expansive office complexes, and luxury residential estates. By leveraging advanced inverter technology, the RYMA10B ensures exceptional energy efficiency, significantly reducing operational costs while maintaining consistent indoor environmental quality throughout the changing seasons. Its sophisticated design allows for seamless integration into complex multi-zone HVAC layouts, offering engineers and installers superior flexibility in system architecture. Built for reliability and long-term durability, this system excels in environments requiring intensive duty cycles, such as server rooms or high-traffic commercial spaces. The unit utilizes environmentally conscious refrigerants to meet modern sustainability standards, balancing high cooling capacities with a minimized carbon footprint. With its whisper-quiet operation and intelligent thermal regulation, the Daikin RYMA10B represents an elite choice for projects that prioritize both peak performance and sustainable building management. Its compact footprint ensures it remains an adaptable solution for tight mechanical spaces without compromising the powerful output necessary to manage substantial thermal loads effectively.

RYYQ12U
VRF / VRV SystemsNewHeat pump VRF
Daikin RYYQ12U
MPN: RYYQ12U · 12 HP
£9,240
Contact for lead time
10 in stock
R410A3 years parts
Listed by HVACX Marketplace

The Daikin RYYQ12U is a high-performance VRV IV+ heat pump engineered for demanding commercial and large-scale residential applications. This sophisticated outdoor unit is designed to provide unparalleled climate control, featuring Daikin’s industry-leading continuous heating technology. Unlike conventional systems that suffer from downtime during defrost cycles, the RYYQ12U ensures an uninterrupted, comfortable indoor environment, making it an essential solution for spaces where thermal stability is critical. Built for extreme efficiency, this unit utilizes advanced inverter technology to modulate capacity precisely based on real-time demand, significantly reducing energy consumption and operational costs. Its robust construction allows for flexible installation, while its intelligent management capabilities make it ideal for complex multi-zone office complexes, luxury residences, and retail environments that require reliable heating and cooling year-round. By maintaining consistent comfort levels even in freezing outdoor temperatures, this heat pump provides a seamless transition between seasons. The system’s architecture supports sophisticated integration, ensuring optimized performance across diverse indoor unit configurations. Whether tasked with maintaining comfort in professional offices or high-end living spaces, the Daikin RYYQ12U delivers quiet, sustainable, and powerful climate management, setting a high standard for modern building services engineering.

RYYQ10U
VRF / VRV SystemsNewHeat pump VRF
Daikin RYYQ10U
MPN: RYYQ10U · 10 HP
£7,865
3-5 days
10 in stock
R-410A3 years parts & labour
Listed by HVACX Marketplace

The Daikin RYYQ10U is a high-performance VRV IV+ heat pump engineered to deliver comprehensive climate control for modern commercial environments. This versatile system serves as an all-in-one thermal management hub, seamlessly integrating heating, cooling, ventilation, and hot water production through a centralized, intelligent interface. By utilizing advanced Variable Refrigerant Temperature (VRT) technology, the unit continuously adjusts its operation based on real-time environmental demands, significantly boosting seasonal efficiency by up to 28% while eliminating uncomfortable cold drafts. A standout feature is its unique continuous heating capability, which ensures steady comfort even during defrost cycles, making it a reliable alternative to traditional boiler-based heating. Designed for flexibility, the RYYQ10U offers extensive piping lengths and elevation capabilities, allowing it to adapt to complex architectural layouts with ease. With full inverter compressor technology and built-in diagnostic tools like automated refrigerant charging, the system simplifies maintenance and reduces long-term operational costs. It is an ideal solution for large office buildings, retail spaces, and hotels where precise zone control and energy conservation are paramount. Furthermore, the system supports proactive cloud-based monitoring, allowing for 24/7 oversight and predictive maintenance to ensure consistent peak performance throughout the system's extended operational lifecycle.

RYYQ8U
VRF / VRV SystemsNewHeat pump VRF
Daikin RYYQ8U
MPN: RYYQ8U · 8 HP
£6,820
Standard
10 in stock
R-410A3 years
Listed by HVACX Marketplace

The Daikin RYYQ8U VRV IV+ heat pump stands as a pinnacle of climate control technology, engineered to provide comprehensive thermal management for diverse commercial and large-scale residential applications. This versatile system serves as a unified solution, seamlessly integrating space heating, precision air conditioning, domestic hot water production, and ventilation. At its core, the RYYQ8U features advanced continuous heating technology, which eliminates the traditional cooling cycles common in heat pump operation, ensuring constant, comfortable warmth regardless of external conditions. Driven by intelligent Variable Refrigerant Temperature (VRT) logic, the unit dynamically adjusts its output to match precise real-time demands, drastically reducing energy expenditure by up to 28% compared to standard systems. Its robust design incorporates full inverter-driven compressors, a highly efficient four-side heat exchanger, and sophisticated refrigerant-cooled electronics for long-term reliability. Designed for maximum architectural flexibility, the system supports extensive piping networks and significant height variations, making it an excellent choice for complex multi-zone buildings or renovations. With integrated cloud-based monitoring, facility managers gain proactive insights into system health and performance. The RYYQ8U delivers professional-grade, sustainable performance, maintaining stable indoor environments while minimizing operating costs through superior energy efficiency and intelligent, weather-responsive operation.

VKM50GBM
AHUs & FCUsNewFresh-air AHUs
Daikin VKM50GBM
MPN: VKM50GBM · 500 m3/h (DX Coil)
£3,795
Contact installer
10 in stock
NoneStandard Daikin warranty
Listed by HVACX Marketplace

The Daikin VKM50GBM represents a sophisticated advancement in fresh-air air handling units, specifically engineered to provide superior indoor air quality while minimizing energy expenditure. This high-efficiency system excels at pre-conditioning incoming outdoor air by reclaiming thermal energy and moisture from the exhaust stream, ensuring a consistent and comfortable internal climate. At its core, the unit utilizes advanced High Efficiency Paper heat exchange technology and a high-performance DC fan motor to drive significant operational cost savings. A standout feature is its intelligent moisture regulation, which maintains optimal humidity levels throughout the seasons. The VKM50GBM also supports 'free cooling' functionality, leveraging cooler outdoor temperatures to naturally regulate internal conditions when the ambient environment allows. Designed for seamless integration into commercial spaces such as boutique retail shops, dining establishments, and modern office environments, its compact profile preserves valuable floor space. The system offers flexible pressure settings and streamlined airflow adjustments, which significantly simplify the commissioning process for installers. By optionally incorporating CO2 sensors, the unit intelligently modulates ventilation based on real-time occupancy, preventing unnecessary energy loss. This robust solution balances heavy-duty performance with environmental responsibility, making it an ideal choice for businesses prioritizing sustainable infrastructure without compromising occupant comfort.

Air Conditioning Repair Pricing Guide

Air conditioning repair costs depend on the fault, parts required, and engineer callout fees. A standard callout and diagnostic visit typically costs £80–£150. Refrigerant leak repair and re-gassing ranges from £150–£400. Compressor replacement can cost £500–£1,200 depending on the unit. Post your request on HVACX to receive competing quotes from multiple engineers with transparent pricing.

Frequently Asked Questions

How much does air conditioning repair cost?

A callout and diagnostic visit typically costs £80–£150. Refrigerant leak repair and re-gassing ranges from £150–£400. Compressor replacement can cost £500–£1,200. Post your request on HVACX to get competing quotes.

How quickly can an engineer come out?

Many engineers on HVACX offer same-day or next-day callouts for urgent repairs. When posting your request, indicate your urgency and engineers will respond with their earliest availability — typically within 24 hours.

Why is my air conditioner leaking water?

Water leaking from an indoor unit is usually caused by a blocked condensate drain, a cracked drain pan, or a frozen coil that's melting. An engineer can clear the blockage and check for underlying causes such as low refrigerant or dirty filters.

What does an error code on my air conditioner mean?

Error codes indicate specific faults such as sensor failures, communication errors between indoor and outdoor units, or refrigerant issues. Note the code and include it in your HVACX request — engineers will use it to diagnose the problem before visiting.

Does HVACX carry out the repair?

No. HVACX is a marketplace that connects customers with independent air conditioning engineers. We do not perform repairs ourselves. You deal directly with the engineer you choose.

Practical guides for this service

Areas We Cover

HVACX engineers cover the entire United Kingdom. Post your request with your postcode and we will match you with engineers who service your area.

London Manchester Birmingham Leeds Glasgow Bristol Liverpool Edinburgh Sheffield Cardiff Newcastle Nottingham+ All UK towns & cities

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