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Expert HVAC Solutions in London & High Wycombe
Seasonal Control is a dynamic air conditioning and chiller specialist company operating from High Wycombe and London. Established with a commitment to excellence, we deliver tailored comfort cooling solutions for commercial and domestic properties across diverse sectors including hospitality, healthcare, offices, retail, and data centres. Our owner-managed business combines RefCom registration with F-Gas certified engineers who bring over 25 years of combined industry experience from leading UK HVAC companies. We prioritise safety, reliability, and quality workmanship while maintaining flexibility to accommodate client schedules, including evening and weekend appointments.

Our service portfolio spans installations, maintenance, repairs, and subscription plans for all major brands, supported by 24/7 emergency call-outs and competitive pricing. Client testimonials highlight our professionalism, efficiency, and exceptional standards, with partnerships spanning from Daikin and Mitsubishi to York and Carrier. We offer free initial consultations, site surveys, and a user-friendly quotation tool to simplify decision-making for our clients.
Services
Installations Maintenance Repairs Refrigeration Subscription Plans
Highlights and features
  • Our engineers have over 25 years combined experience in HVAC systems
  • We partner with leading brands including Daikin, Mitsubishi, York and Carrier
  • 24/7 emergency call-out service available 365 days a year
  • Owner-managed business providing personalised service and direct communication
  • Competitive rates with flexible scheduling including evenings and weekends
Associations and certifications
  • RefCom
  • F-Gas Certification
What people say
Professional Efficient Exceptional standard Reasonably priced Lovely to deal with
Services
Air Conditioning Installation
We specialise in installing brand new air conditioning systems for commercial and domestic properties. Our engineers work with leading brands like Daikin and Mitsubishi to provide tailored comfort cooling solutions. Every installation includes comprehensive site assessment and post-installation testing to ensure optimal performance and energy efficiency.
Chiller Maintenance
Our scheduled maintenance programmes help extend equipment lifespan and prevent unexpected failures. We service all types of industrial and commercial chillers from brands including York and Carrier. Regular maintenance includes component inspections, refrigerant checks, and system efficiency optimisation to maintain critical cooling operations.
Emergency Repairs
Available 24/7 for urgent HVAC issues, our rapid response team handles all brands and system types. We prioritise restoring critical cooling functions in commercial environments while minimising downtime. Emergency repairs include fault diagnosis, component replacement, and system recommissioning with full documentation.
Subscription Plans
Our flexible maintenance agreements provide year-round system protection for commercial clients. Plans include regular servicing, priority response times, and discounted repair rates. We tailor contracts to suit different business needs, from small offices to large data centres requiring continuous cooling operations.
System Diagnostics
We conduct comprehensive system evaluations to identify efficiency issues and potential failures. Our diagnostic process includes thermal imaging, refrigerant analysis, and airflow measurements. Clients receive detailed reports with recommended improvements to enhance system performance and reduce energy consumption across commercial and industrial environments.
Questions
What types of air conditioning systems do you install?
We install all major types including split systems, VRV systems, and both air and water-cooled chillers for commercial and domestic properties.
Are your engineers qualified and certified?
Yes, all our engineers are F-Gas certified with over 25 years combined industry experience working on leading brands like Daikin and Carrier.
Do you offer emergency repair services?
We provide 24/7 emergency call-outs with rapid response times for critical cooling system failures across London and surrounding areas.
What commercial sectors do you work with?
We serve offices, retail units, healthcare facilities, hotels, data centres, and light commercial premises with tailored HVAC solutions.
Can you service existing air conditioning systems?
Yes, we service and maintain all brands and types of air conditioning and chiller systems with regular maintenance plans available.
Do you offer domestic air conditioning services?
We increasingly service domestic properties with installation, maintenance, and repair options for residential air conditioning systems.
Reviews (4)
Jane Reynolds
Aug 24, 2021 Report
Positive:Professionalism
Great experience from first enquiry to completed job with an air conditioning system for our bedroom. All fitted and left clean and tidy. Job done! Many thanks.
Service:Installation
Ken Burch
Jun 14, 2021 Report
I am not often moved to write reviews and even less inclined to give 5*. However I feel it is important to call out good service when you come across it. The survey and quote were prompt and good value. The work was efficient, tidy and high quality. I would not hesitate to recommend that anyone interested in having a domestic air con system installed consider a quote from this team. Nabil, many thanks for all your help, care and exceptional service.
Jeremy Bagley
Dec 30, 2019 Report
Seasonal Control installed 2 off Daikin air conditioning systems for our south facing bedrooms. Price was very competitive and the guys installed on time. System works well. I would definitely recommend Seasonal Control
Renata'S. Vlog
Aug 20, 2018 Report
Very happy with my aircon installation, very professional and friendly guys Tom and Nabil, best price offered, not a rip off company, will recommend it to everyone and will get aircon installed in my conservatory next year. Job was done on Saturday morning, guys cleaned up after, checked make sure all working fine. Big thanks! :)