Expert Installation · 24/7 Emergency Repair · Preventive Maintenance
Serving businesses across Buckinghamshire, London & the UK since 2019
Established in 2019, Mammoth Air Conditioning & Refrigeration Ltd is a premier provider of climate control and refrigeration solutions based in Aylesbury, England. Under the leadership of Director Chaminda Prabhath Wijesinghe Arachchige, our team brings over 14 years of industry expertise to every project.
We serve commercial, industrial, and residential clients across Buckinghamshire, London, and the surrounding regions — from bespoke cold room design to full HVAC installations. F-Gas & REFCOM certified, backed by 24/7 emergency support, 365 days a year.

We specialise in the installation, maintenance, and repair of high-performance systems for residential, commercial, and industrial environments.
We design, supply, and install bespoke cold rooms and walk-in freezers tailored precisely to your business needs. Whether you operate a restaurant, retail shop, pharmacy, or catering facility, we provide reliable cold storage built to your exact specifications.
Every project is custom-designed. Our engineers survey your space, recommend the optimal layout, and complete the build with zero business downtime wherever possible.
Most Popular
Maintain temperatures between +1°C and +8°C. Perfect for restaurants, supermarkets, butchers, delis, and pharmaceutical storage. Custom sizes available — from 2m × 2m up to warehouse scale.
Freezer
Deep freeze storage operating from -18°C to -25°C. Ideal for ice cream parlours, food manufacturing, catering businesses, and bulk frozen storage. Built to UK food safety standards.
Modern
Premium vegetable chillers with glass-front automatic sensor sliding doors. Hygienic, modern, and perfect for retail grocery stores, supermarkets, and high-end food outlets.
Every project is custom-built to meet your exact requirements. No two businesses are the same — so neither are our cold rooms.
From a single room to an entire commercial building, our certified engineers design, supply, install, and maintain the right AC solution for your environment. Every system is fitted to the highest standard with full F-Gas compliance.
Most Popular
The most common and cost-effective solution for homes and small offices. Indoor wall unit paired with an outdoor condenser — quiet operation, fast installation, and efficient heating & cooling for individual rooms.
Commercial
Perfect for offices, retail spaces, and suspended ceilings. Flush-fitted within the ceiling, these units deliver powerful four-way airflow for even temperature distribution across larger areas.
Premium
A premium, discreet solution for full-property climate control. The main unit is concealed in the ceiling or loft space with air distributed through hidden ducts — ideal for homes, offices, and large commercial spaces.
Fully certified engineers meeting all UK legal & environmental standards
Emergency callout service 365 days a year — minimise your downtime
Free consultations & honest upfront quotes, no hidden fees
Industry-leading coverage on all installations
Energy-efficient solutions that reduce your carbon footprint
Watch our team deliver world-class cooling and fitting solutions across the UK
We're proud to work with some of the UK's most respected brands and independent businesses








































Real reviews from real businesses across the UK — verified on Google
"Excellent service. Very helpful and professional guys. I'm so happy with their service. Thank you."
"Very good service and good staff. They charge a reasonable amount. Also, their after service is excellent."
"Exceptional service from Mammoth! The team handled my AC installation with professionalism and care."
"I recently had a walk-in chiller installed and I'm very pleased. The team was professional and efficient."
"10/10. Excellent service. Very helpful and professional guys. Most important thing is their commitment."
"Mammoth provided excellent service from start to finish. Professional, efficient and knowledgeable."
We partner with industry-leading manufacturers to deliver the highest quality cooling solutions











