Delivering Comfort and Efficiency for Homes and Businesses. All Year-round.
At CDM Air, we specialise in smart cooling and heating solutions for homes and businesses across Guernsey. With in-depth expertise in air conditioning and air source heat pumps, our dedicated team provides optimal indoor climate control while prioritising energy efficiency and sustainability—helping you cut energy costs and lower your environmental impact.
Wall Mounted 
Floor Mounted 
Ceiling Mounted Air Conditioning
Stay cool and comfortable all year round with efficient wall mounted and ceiling mounted air conditioning systems for both homes and businesses. Our expert team provides professional installation, reliable repairs, and ongoing servicing to ensure your system runs at peak performance. We focus on energy efficiency, helping you reduce costs while maintaining optimal comfort.
Get a quote
Air Source Heat Pumps
Reduce your energy bills and carbon footprint with our sustainable heating solutions. Our high-performance air source heat pumps deliver reliable year-round comfort while ensuring maximum efficiency. Designed to minimise environmental impact, these systems help you save on energy costs while providing consistent warmth, whatever the season.
Get a quote
Air Source Heat Pump 
Expert Service,
Reliable Systems
We take pride in offering personalised, reliable service for every client, whether it's a home installation or a large commercial project. Our focus is on quality workmanship, honest advice, and long-term performance, ensuring comfort and efficiency in every solution.
As a local business, we value building strong relationships and delivering exceptional service that reflects our reputation—professional, friendly, and dependable. We only recommend systems that are effective and environmentally responsible, making the process from consultation to ongoing support as smooth and straightforward as possible.
With over two decades of hands-on industry experience, HVAC expert Chris De Mouilpied has a wealth of knowledge and a passion for delivering the very best in HVAC solutions. Chris personally oversees projects to ensure each client receives the highest standard of service and technical excellence. His commitment to integrity, efficiency, and sustainability is at the core of everything we do.
Why CDM Air?
- FREE quotations
No hidden costs, just honest advice. - Energy efficiency experts
Save money while reducing environmental impact. - Tailored solutions
Every installation is customised to your needs. - Reliable service and support
Ongoing maintenance to keep your system performing at its best. - Domestic and commercial expertise
Whether it’s your home or business, we’ve got you covered.
Hear What Our Satisfied Customers Have to Say
CDM Air installed an air source heat pump in our home, and we’ve noticed a huge drop in our energy bills. Highly recommend their service!John D, Guernsey
Can't thank CDM Air enough for the tremendous work sorting out issues with our heat pumps. The level of expertise and conscientious attention to detail were simply outstanding and we are very grateful!Mr & Mrs D, Guernsey
We had our new air conditioning system installed by CDM Air, and the difference is amazing! Not only is our space cooler, but we’re also saving on energy costs thanks to their efficient solutions.Emma P, Guernsey
From the initial consultation to the final checks, CDM Air provided excellent service. The installation was smooth, and the team were polite, tidy, and extremely knowledgeable.David L, Guernsey
CDM Air were professional from start to finish. The team explained everything clearly and completed the installation with minimal disruption. Our new system works brilliantly – couldn’t be happier!Sarah T, Guernsey
We’re really impressed with the quality of work carried out by CDM Air. The heat pump is running perfectly, and the difference in comfort and cost is noticeable already.James & Laura W, Guernsey