Take control with our heating and air-conditioning systems for businesses, public organisations and home owners, as well as our refrigeration systems.
Installation
We design and implement comfort cooling and heating systems for all environments, from factories and offices to mission critical areas and prestigious buildings. We cater for completely new systems as well as redesigns or simple additions to your current facilities.
Repair
Our team of engineers have encountered a substantial range of problems relating to air-conditioning, refrigeration and heating throughout their years of expertise. There is nothing too big or small for us to fix. We are responsive and efficient problem solvers who will provide you with a cost-effective solution shortly after arriving on site.
Servicing & Maintenance
We offer scheduled attendance where we commit to a program of agreed maintenance tasks throughout the year. This is backed up by our Central Help Desk which is available 24 hours/day, 7 days per week, thus ensuring a rapid response for those unexpected instances.
Facilities Management
We manage a wide range of buildings including office buildings, commercial units, laboratories and multi-use buildings. This service is designed to ensure you feel assured that all services are being provided in an effective and professional manner with compliance obligations met.
Air conditioning and heating solutions designed for you
Established in 1981, McAlpine Grant Ilco Ltd (MGi) specialise in providing installation, maintenance and servicing of cooling and heating units to properties throughout the UK.
Our capability extends from design and installation through to comprehensive maintenance programs for Air Conditioning & Heating and Refrigeration. These services are offered across all business sectors, from domestic environments through to complex Commercial, Retail, Banking, Industrial, Healthcare and ‘Mission Critical’ locations.
We look forward to meeting you.
Why customers choose MGI
Selecting the right refrigeration installer is crucial to ensure the safety of your stock and the energy efficiency of your facility. McAlpine Grant Ilco Ltd has been designing and installing complex refrigeration systems across Oxfordshire and the UK for years. Our clients return to us because we understand that in your industry, temperature fluctuation is not just an inconvenience
Service You Can Trust
We handle refrigeration installations from start to finish: thermal load calculations, system design, installation, and final commissioning. Our engineers hold all relevant F-Gas qualifications and strictly follow manufacturer specifications. After installation, we provide clear documentation and compliance logs to ensure your system meets all regulatory standards.
Unmatched Experience
Collectively, our team has over 150 years of experience within the mechanical services industry. As such, we are able to offer the correct solution for almost any cooling requirement, ranging from a compact walk-in freezer for a commercial kitchen to large-scale modular chillers for industrial processing or pharmaceutical laboratories.
Minimising Disruption
Clients we’ve worked for







We understand that your business cannot afford downtime. Whether we are retrofitting a new cold room or upgrading a chiller system, we plan our installations meticulously to ensure minimal disruption to your daily operations. We work hard to provide the most cost-effective and energy-efficient solution, delivered on time and on budget.