Commercial Air Conditioning

Installation & HVAC Services

Expert commercial air conditioning installation for businesses across the UK. REFCOM-accredited engineers, bespoke system design, free surveys, and a 3-year warranty as standard.

REFCOM Accredited
F-Gas Certified Engineers
Free Survey & Design
Immediate heating and cooling

Immediate heating and cooling

Responsive climate control to keep your business comfortable all year round.

FREE 3 year warranty

FREE 3 year warranty

3-year parts warranty and 1-year labour warranty on every installation.

Claim capital allowances for all systems

Claim capital allowances for all systems

Reduce your tax bill by claiming capital allowances on your installation.

survey and consultation
REFCOM-accredited engineers

Complete Expert Commercial Air Conditioning Service

We do more than just supply and fit your air conditioning. Our expert commercial installation service starts with a survey and consultation where we find out what you need from your climate control solution. Then we’ll recommend you products and produce a bespoke system design for your business. We have a wide range of installations we can supply and fit, including VRF and HVRF systems.

Our REFCOM-accredited engineers will fit your preferred F gas-certified air conditioning installation, taking care of any building or planning permission applications along the way. We don’t provide portable units and only install systems that we supply and recommend to make sure you end up with the best possible climate control system.

REFCOM Elite Accredited

F-Gas Certified

Free Site Survey

3-Year Warranty

Business Air Conditioning for Every Sector

We install and maintain business air conditioning systems across a wide range of commercial premises throughout the UK. Whatever your sector, we have the expertise to deliver the right

Office air conditioning

Enhance workplace comfort and air quality with a professional office air conditioning installation. Boost staff productivity, improve health and wellbeing, and maintain optimal temperatures all year round.

Server room air conditioning

Prevent costly overheating and equipment failure with dedicated server room climate control. Precision cooling keeps your IT infrastructure operating reliably and within safe temperature ranges.

Restaurant air conditioning

Create a comfortable dining experience for your guests and a safe working environment for your team. Effective commercial HVAC services keep your restaurant the perfect temperature regardless of the weather.

Restaurant air conditioning

Maintain ideal training conditions for your clients with purpose-designed gym air conditioning. Control humidity, improve air quality, and reduce injury risk with consistent temperature management.

Restaurant air conditioning

Keep customers and staff comfortable all year round with discreet, efficient retail air conditioning. Protect stock from temperature extremes and enhance the shopping experience without compromising building security.

Restaurant air conditioning

Boost attainment and safeguard wellbeing with school air conditioning. Quiet, energy-efficient systems create an optimal learning environment while eliminating the noise and security issues of open windows.

Commercial HVAC Systems We Install

From single-zone split systems to large-scale commercial HVAC installation projects, we supply different types of air conditioners and fit the right system for your building.

VRF air conditioning

Split & Multi-Split Systems

Ideal for individual rooms or small commercial premises. Wall-mounted or ceiling cassette indoor units paired with a compact outdoor unit. Quiet, efficient, and cost-effective for single- or multi-zone business air conditioning.

  • Suitable for offices, shops & small businesses
  • Wall-mounted or ceiling cassette options
  • Individual zone control
  • Rapid installation (1–2 days)
HVRF air conditioning

VRF Air Conditioning

Variable Refrigerant Flow (VRF) is the preferred choice for large offices, multi-floor buildings, and complex commercial premises. Highly responsive zonal control allows different areas to be heated or cooled simultaneously at different temperatures.

  • VRF Heat Recovery allows heating and cooling multiple zones independently (not available on VRF Heat Pumps)
  • Highly energy efficient (A+ rated)
  • Ideal for buildings over 200m²
HVRF air conditioning

HVRF air conditioning

Hybrid Variable Refrigerant Flow (HVRF) is the most environmentally responsible commercial HVAC system available. Using up to 75% less refrigerant than standard VRF, HVRF delivers simultaneous heating and cooling with exceptional heat recovery efficiency.

  • Up to 75% less refrigerant used
  • Simultaneous heating & cooling
  • Reduced environmental impact

Beyond installation, D-Air Services provides comprehensive commercial AC repair and ongoing maintenance services to keep your system operating at peak efficiency. A well-maintained commercial air conditioner lasts significantly longer and costs far less to run than a neglected one.

Our REFCOM-accredited engineers carry out reactive commercial AC repair as well as planned preventative maintenance, covering all major brands and system types. We also offer tailored maintenance contracts for complete peace of mind.

Fault Diagnosis & Repair

We diagnose and repair all faults, including compressor failure, refrigerant leaks, electrical issues, and control system problems.

Planned Preventive Maintenance

Regular servicing every 3–6 months, including filter changes, refrigerant checks, coil cleaning, and performance testing.

Maintenance Contracts

Bespoke maintenance agreements offering priority response, annual servicing, and extended warranty protection.

F-Gas Compliance

Full F-Gas regulatory compliance checks and documentation are legally required for all commercial refrigeration systems.

Regular Servicing Matters

Getting air conditioning fitted for your business is straightforward with D-Air. Here’s what to expect from first contact to commissioning.

  • Free Survey & Consultation

    We visit your premises, assess your requirements, and calculate the precise cooling load for your space.

  • Bespoke System Design

    Our engineers design a tailored commercial HVAC solution and provide a fully itemised, transparent quotation.

  • Scheduling & Planning

    We agree on an installation schedule that minimises disruption, including out-of-hours options if required.

  • Professional Installation

    Our certified engineers fit your chosen system with care and precision, leaving the site clean and tidy throughout.

  • Testing, Commissioning & Handover

    We fully test and commission the system, provide all F-Gas documentation, and walk you through operation.

We’re certified suppliers and installers for a wide range of leading air conditioning manufacturers, whose innovative designs can help you meet energy and building regulations. When we quote, we’ll give you prices for mid-range and high-end products, so you can get a quality installation that suits your budget.

REFCOM Accredited & F-Gas Certified
We are REFCOM-Elite accredited, F-Gas certified, and Safe Contractor approved. We are also accredited installers for both Daikin (D1 Business Partner) and Mitsubishi Electric (Diamond Quality Partner).

Leading Brands, Mid-Range & Premium Options
We’re certified suppliers and installers for all the major air conditioning manufacturers. You’ll receive quotes for both mid-range and premium products to suit your budget.

Minimal Business Disruption
We schedule installations to suit your business, including evenings and weekends, and our engineers work methodically to keep disruption to an absolute minimum.

Dedicated Account Management
A single, named account manager oversees your project from initial survey to final handover and remains your point of contact for any ongoing support or maintenance needs.

We’re certified suppliers and installers for a wide range of leading air conditioning manufacturers, whose innovative designs can help you meet energy and building regulations. When we quote, we’ll give you prices for mid-range and high-end products, so you can get a quality installation that suits your budget.

Our process makes it easy to get a price online, just a few questions and we will suggest the right air conditioning unit for your home or work

Simple questions

Simple questions

A few quick and easy questions about your home

Choose from the resulting options

See the options

Based on your answers we can tell you the best prices and unit options

Get the installation

Get it installed

Our professional engineers will complete the installation hassle free

Commercial Air Conditioning FAQ’s

Commercial air conditioning installation is the supply and professional fitting of climate control systems in business premises, including offices, restaurants, gyms, retail shops, schools, warehouses, and server rooms. Systems range from simple split-unit installations to complex VRF and HVRF commercial systems covering entire buildings.
A single split system for a small office is typically air-conditioned within one to two days. Multi-zone or VRF systems for larger premises may take one to two weeks. The exact timescale depends on system complexity, the amount of electrical work required, and any planning permissions needed. D-Air works to minimise disruption, including scheduling work outside business hours where required.
Yes, commercial AC repair is a core part of our service offering. Our REFCOM-accredited engineers diagnose and repair all common faults, including compressor failure, refrigerant leaks, drainage problems, and control system issues. We offer both reactive repair call-outs and planned preventative maintenance contracts to keep your system running efficiently and to extend its operational lifespan.
VRF (Variable Refrigerant Flow) uses refrigerant pipework to deliver heating and cooling to multiple zones simultaneously, offering highly responsive zonal control with excellent energy efficiency. Hybrid VRF (Hybrid Variable Refrigerant Flow) delivers all the same benefits but replaces a large proportion of the refrigerant circuit with water pipework, using up to 75% less refrigerant. This reduces environmental risk, regulatory burden, and ongoing maintenance costs, making HVRF the preferred choice for organisations with strong sustainability targets.
All D-Air commercial air conditioning installations include a free 3-year parts warranty and a 1-year labour warranty as standard. Extended warranty cover and maintenance contracts are available to provide further long-term protection for your investment.
Planning permission requirements vary depending on the building type, location, and the size of the external units. Most commercial air conditioning installations fall under permitted development, but listed buildings and conservation areas may require formal planning consent.
Yes, modern commercial HVAC systems are highly energy efficient. Inverter-driven compressors, heat recovery technology, and advanced controls mean today’s systems can achieve SEER ratings of A++ or higher. HVRF systems are among the most efficient commercially available, making them an excellent long-term investment for energy-conscious businesses.
When choosing between commercial air conditioning companies, look for REFCOM accreditation and F-Gas certification as a minimum standard. Ensure they carry out a proper site survey rather than quoting remotely, and check that they offer comprehensive warranties. Look for companies that manage the full project. D-Air Conditioning ticks all these boxes, and we invite you to request a free, no-obligation survey to experience our service firsthand.

Get free quotes for your new commercial air conditioning installation now

Free expert advice with no obligation. Our engineers will assess your space and recommend the most suitable solution for comfort and efficiency.