Perfect Comfort in Every Season
Specialist installation, service and maintenance of air conditioning and heat pumps for commercial and residential customers across the Midlands.
A friendly, family-run business you can trust
OAS Ltd has been in the industry for over 25 years. Our specialist team of engineers and project managers provide a range of tailored air conditioning solutions to commercial and residential customers across the Midlands area.
Our customer service, along with our engineering and design capability, are just two of the reasons customers repeatedly choose to work with us as their preferred air conditioning supplier. We pride ourselves on helping to create a comfortable environment — no matter the season.
- Unmatched performance & satisfaction guarantees
- Commercial and residential properties
- Bespoke design and installation service
- 24/7 availability for emergency services
- Tailor-made maintenance packages
- Clear communication & arrival updates
Complete air conditioning solutions
Installation, service and maintenance of all air conditioning and heat pumps — delivered with expert care from start to finish.
Installation
Bespoke design and installation of air conditioning and heat pump systems for homes and businesses, tailored to your space and requirements.
Service & Maintenance
Planned maintenance schedules — yearly or biannual — to keep your units efficient, extend their lifespan and protect your manufacturer warranty.
Breakdown & Callout
A swift response service — normally same day. Our vehicles carry spares from most manufacturers and engineers are trained across all major brands.
Aftersales Support
A fully integrated aftersales service ensuring you receive maximum long-term benefit from your installation and warranty coverage.
Warranty Transfer
Even if OAS didn't supply your equipment, we can maintain it — and in most cases the warranty can be transferred over to us.
Bespoke Maintenance Plans
Tailor-made maintenance packages built around your usage and budget, with clear communication and updates on service arrival.
Quality systems from leading manufacturers
We supply and install a full range of Mitsubishi Electric air conditioning systems — engineered for efficiency, reliability and comfort.
Wall Mounted
MSZ-AP R32
A wall mounted system that blends energy efficiency with a modern white design. This mid-range unit includes state-of-the-art Wi-Fi control as standard and utilises lower GWP R32 refrigerant.
Floor Mounted
MFZ-KT R32
Extremely versatile, designed for wall-attached installation at floor level. The auto swing vane provides natural, comfortable airflow, and the lightweight compact design makes installation easy. Includes a built-in 7-day timeclock.
Ceiling Cassette
PLA-M R32
The PLA-M Standard Inverter ceiling cassette blends outstanding features with a sophisticated streamlined design. Offering advanced control options and quiet operation with flexibility and ease of installation.
Ducted
PEAD-M R32
The PEAD-M Power Inverter is a ceiling-concealed ducted system with an unobtrusive design for easy installation and maintenance. High seasonal efficiency, advanced controls, extended pipe runs and low GWP R32 refrigerant.
Ceiling Suspended
PCA-M R32
The PCA-M Power Inverter is a ceiling-suspended system that blends outstanding features with a sophisticated streamlined design. High seasonal efficiency, advanced controls, extended pipe runs and low GWP R32 refrigerant.
Floor Standing
PSA-M R32
The PSA-M Power Inverter is a floor standing system with a sophisticated streamlined design. Offering high seasonal efficiency, advanced control options and quiet operation — ideal where ceiling space is limited.
Looking for something specific? Contact us for a bespoke recommendation.
Cooling & heat pump solutions for every space
From large commercial installations to comfortable homes, we deliver the right climate control for a wide range of organisations across the Midlands.
Commercial
Residential
We pride ourselves on helping to create a comfortable home environment — keeping you cool in summer and warm in winter with efficient heat pump technology.
We'd love to speak with you
Feel free to reach out using the details below, or fill in the form and we'll get back to you as soon as possible.