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Trusted HVAC Services in Manchester
Celsius Air Conditioning has been delivering expert air conditioning solutions across the UK for over two decades. Specialising in the design, installation, and maintenance of advanced systems, we serve both domestic and commercial clients with precision and care. Our team combines extensive managerial and hands-on experience to ensure every project is completed on time, within budget, and to the highest standards. We prioritise cutting-edge technology, including Mitsubishi Electric systems and Olimpia Splendid units, to provide energy-efficient heating, cooling, and ventilation. Our 24/7 maintenance contracts and responsive repair services guarantee uninterrupted comfort for clients, supported by a 7-year warranty on Mitsubishi equipment maintained by us.

With a commitment to sustainability, we help clients reduce carbon footprints while optimising operational efficiency. Our portfolio spans industrial, office, retail, and specialist sectors, reflecting our adaptability to diverse needs. Transparency, technical excellence, and client satisfaction underpin our approach, ensuring tailored solutions for every environment. Operating from Heywood and Manchester, we combine national reach with local expertise to deliver reliable, future-proof air conditioning systems.
Services
Installation Heat Pumps Maintenance Repairs Ventilation
Highlights and features
  • We have over 20 years of combined managerial and technical experience in HVAC systems.
  • Our 24/7 repair service ensures rapid response for urgent air conditioning breakdowns.
  • We specialise in Mitsubishi Electric systems, the most technically advanced air conditioning technology.
  • Maintenance contracts reduce running costs by up to 25% and include extended warranties.
  • We operate nationwide, serving domestic and commercial clients from small offices to large industrial sites.
Associations and certifications
  • Mitsubishi Electric Approved Installer
Services
Air Conditioning Installation
We supply and install advanced air conditioning systems tailored to domestic and commercial needs. Specialising in Mitsubishi Electric technology, our installations ensure precise temperature control and energy efficiency. Clients benefit from free site visits, obligation-free quotations, and expert execution for optimal comfort.
Heat Pumps
Our Mitsubishi Ecodan air source heat pumps provide efficient heating for premises of all sizes. By extracting heat from outdoor air, even in sub-zero conditions, these systems reduce energy costs while maintaining comfort. We handle full-cycle installations aligned with sustainability goals.
Maintenance
Planned maintenance contracts keep systems running efficiently 24/7. We perform manufacturer-recommended tasks, F Gas compliance checks, and leak testing. Proper maintenance reduces running costs by up to 25% and extends equipment lifespan with minimal disruption.
Repairs
We repair all air conditioning makes, offering rapid diagnosis and transparent pricing. Non-maintenance clients receive competitive hourly rates with no mileage charges. Our engineers resolve issues swiftly, ensuring minimal downtime for critical operations.
Ventilation
Mitsubishi Lossnay systems enhance indoor air quality by exchanging stale air for fresh, energy-efficient ventilation. Our installations combat humidity and pollutants, improving health and productivity in airtight buildings while complying with modern regulations.
Questions
What types of air conditioning systems do you install?
We specialise in Mitsubishi Electric systems for commercial and domestic properties, including heat pumps, split systems, and self-contained units for spaces without external access.
Do you offer maintenance contracts?
Yes, our planned maintenance contracts include 24/7 support, F Gas compliance, and extended warranties on Mitsubishi equipment we install.
Can you repair non-Mitsubishi systems?
We repair all makes of air conditioning equipment, regardless of supplier or installer, with transparent pricing and rapid response times.
What areas do you cover?
While based in Manchester, we operate nationwide, serving clients from small domestic projects to large industrial installations across the UK.
How much do repairs cost?
Non-contract clients pay £52.50/hour + VAT with a £90 + VAT minimum callout charge in Manchester, covering 1 hour of on-site work.
Do your systems help reduce energy costs?
Yes, our latest heat pumps and maintenance services can reduce running costs by up to 40% compared to older systems, lowering both bills and carbon footprints.