The leading experts in HVAC solutions, backed by over 100 years of innovation in the cooling industry.

Our case studies Product Finder
daikin-heating-icon

Heating

View products
daikin-cooling-icon

Cooling

View products
daikin-air-icon

Air Treatment

View products
rental van for website-4

Rentals

View products
spare parts icon website

Spare Parts

View products
low maintanence costs for website -1

Chiller After Sales

View products
imporved efficiency website icon-1

AHU Refurbishment

View products

Explore Our Full Range of HVAC Technologies

Air Handling Units

Custom-engineered air handling systems optimised for high airflow efficiency, indoor air quality, and compliance with building regulations in commercial and public-sector environments.

Read More

Service & Maintenance

Comprehensive planned maintenance and rapid-response support services, including F-Gas compliance checks, system diagnostics, and long-term performance protection.

Read More

Chillers

Versatile and energy-efficient cooling systems, including oil-free and low-GWP options, suitable for retrofit projects and new developments across a wide range of building types.

Read More

Heat Pumps

Integrated heating and cooling solutions that deliver consistent performance, reduce carbon emissions, and support compliance with the UK’s long-term decarbonisation objectives.

Read More

Latest News

As the UK and wider Europe push towards net zero, heat pump technology is central to decarbonising heating and cooling. By using electricity—preferably from renewable sources—heat pumps reduce dependency on fossil fuels across residential, commerc...
Read More
Hotels, leisure centres, and sports facilities are among the most energy-intensive environments in the built sector. From providing year-round comfort to ensuring a reliable supply of hot water for guests and visitors, these spaces face significan...
Read More
Valerio Micali Featured in Elemental’s Spotlight on Holistic HVAC We’re proud to share that Valerio Micali, Managing Director of Daikin Applied (UK), was recently interviewed by Elemental as part of their Spotlight on Holistic HVAC series. In the ...
Read More
Quick Summary Daikin’s air handling unit (AHU) solutions for industrial applications deliver exceptional performance in environments where air quality is critical—such as pharmaceuticals, electronics, and food production. These AHUs ensure complia...
Read More

HVAC Solutions Tailored to Your Building and Industry

Every building has specific operational and compliance requirements. Daikin Applied provides sector-specific HVAC systems engineered to maximise performance and sustainability.

Daikin Data Centre Solutions

Coordinate globally - engage locally.​ The global Daikin network providing dedicated expertise at your location. ​

​

Read More

Stock Units - Fast delivery

Daikin stock units are available for fast delivery. Among the stock products you will also find a choice of R-32 chillers and heat pumps readily available for HVAC projects.

Read More

IAQ Solutions

The expression Indoor Air Quality (IAQ) refers to the air quality in indoor environments, which affects building occupants during their everyday lives. Check out why IAQ matters.

Read More

Why Choose Daikin Applied UK

Daikin Applied UK (formerly McQuay UK Ltd) Daikin Applied UK is the market leader in energy efficient Air Handling Units (AHU) and Chillers, and specialises in large scale bespoke projects from data centres and hospitals to pharmaceutical facilities and process cooling. We offer world leading end-to-end solutions for facilities managers and engineering professionals within the HVAC community with an after sales service of full life cycle care through Daikin Applied Service.

UK-Based Design, Manufacturing & Support

End-to-end HVAC expertise delivered locally, with engineering, production, and service teams based throughout the UK.

HVAC for Complex Requirements

Flexible system configurations tailored to meet the demands of unique building specifications and operational challenges.

Compliant, High-Efficiency Equipment

Products engineered to meet or exceed UK Part L standards and F-Gas regulations, supporting energy savings and legal compliance.

Driven by Innovation & Net-Zero Goals

Ongoing investment in low-carbon technologies and refrigerant alternatives aligned with the UK’s sustainability roadmap.

Daikin Applied Service

Our commitment doesn't end at installation. With Daikin Applied Service, you gain access to expert support that extends across the full lifecycle of your HVAC system. From smart diagnostics and performance optimisation to emergency repairs, we ensure your equipment continues to deliver maximum efficiency, compliance, and uptime.

We work directly with facilities managers, building operators, and consultants to maintain mission-critical HVAC environments.

Remote Monitoring & Smart Diagnostics

Read More

Performance Optimisation & Upgrades

Read More

Daikin Cloud Plus

Read More

Important HVAC Projects

 

Read about how Daikin can provide valuable technological solutions for different projects and applications.

CERN

Where scientists, engineers and technicians build and run accelerators, detectors and computing infrastructures, to probe the fundamental structure of the universe.

Read More

Negative CO2 emission Data Centre

Daikin has supplied 4 water cooled VZ chillers to meet the cooling needs of a negative CO2 emmisions Data Centre in Sweden

Read More

Optimised Air Handling for a Prestigious Scottish University Sports Complex

Daikin Applied (UK) upgrades Edinburgh University’s sports complex with a high-efficiency AHU, improving ventilation, energy use, and performance.

Read More

The highest peak in Applied solutions

Whether you're upgrading legacy equipment, seeking guidance on compliance, or specifying systems for a new development — our experts are here to help.