Business Details
37 Years
experience
Emergency
services
Expert HVAC Solutions in Berkshire
Established in 1989, Crystal Air Conditioning is a family-run business with over 30 years of expertise in delivering energy-efficient climate control solutions across London and the South East. As an F-Gas registered company and Daikin D1 Approved Partner, we combine technical excellence with a personal touch, offering tailored installations, maintenance, and emergency repairs for residential and commercial clients.Our team of seasoned engineers prioritises reliability, transparency, and long-term customer relationships, ensuring every project meets the highest standards of quality and compliance. With a 7-year warranty on Daikin products and a commitment to rapid response times, we strive to provide seamless, stress-free service that adapts to our clients' evolving needs.
Services
Residential Air Conditioning
Commercial HVAC
MVHR Systems
Emergency Repairs
Planned Maintenance
Details
- Year established: 1989
Highlights and features
- We offer 30+ years of HVAC expertise with F-Gas compliance.
- Our Daikin D1 partnership ensures priority parts delivery and 7-year warranties.
- Family-run business prioritising transparent, personalised service.
- Rapid response for emergency repairs across London and the South East.
- Tailored maintenance plans with detailed post-service reporting.
Associations and certifications
- Daikin D1 Approved Partner
- F-Gas Registered
What people say
5* Google Reviews
Prompt repairs
Friendly team
Expert installation
7-year warranties
Services
Residential Air Conditioning
We install and maintain energy-efficient air conditioning systems for homes, ensuring year-round comfort. Our solutions include wall-mounted, ducted, and floor-standing units tailored to property size and layout. With a 7-year warranty on Daikin products and priority parts delivery, we guarantee reliable performance and minimal downtime for homeowners.
Commercial HVAC
Our bespoke HVAC systems optimise workplace comfort and productivity for offices, schools, and retail spaces. Services include server room climate management, planned preventative maintenance, and F-Gas compliance reporting. Tailored packages ensure regulatory adherence and priority service, with detailed post-visit documentation for business records.
MVHR Systems
Mechanical Ventilation with Heat Recovery (MVHR) systems enhance indoor air quality while reducing energy costs. We supply, install, and service MVHR units for new builds and existing properties, ensuring compliance with building regulations. Regular maintenance prevents dust buildup, with flexible contracts available for hassle-free servicing.
Emergency Repairs
Our rapid-response team addresses HVAC emergencies within 24 hours, minimising downtime for homes and businesses. With over 70 years of combined experience and Daikin D1 error code expertise, we diagnose and resolve faults swiftly. Non-customers also receive one-off repair support with discounted parts.
Planned Maintenance
Tailored maintenance plans ensure system longevity and efficiency. Services include biannual MVHR servicing, parts replacement, and compliance checks. Priority call-outs and discounted rates apply, with automated scheduling to align with client availability and regulatory requirements.
People
Roger Lees
Founder & Engineer
Semi-retired founder with decades of HVAC expertise, still involved in major projects. Combines strategic oversight with hands-on technical knowledge to maintain service excellence.
Ian Spiller
Partner & Engineer
Lead engineer with extensive technical skills and a customer-focused approach. Specialises in complex installations and repairs, ensuring solutions meet both practical and regulatory standards.
Jodie Lees
Office Manager
Coordinates operations and client communications, managing schedules and maintenance contracts. Ensures seamless service delivery while maintaining organisational efficiency behind the scenes.
Graham Hinton
Engineer
Senior technician with deep practical experience in HVAC systems. Provides expert troubleshooting and repair services, combining technical proficiency with clear client communication.
Ryan Thomas
Maintenance Engineer
Specialises in servicing and routine maintenance, ensuring system reliability. Builds rapport with clients through friendly, thorough service and proactive maintenance advice.
Questions
What areas do you serve?
We operate across London and the South East, with our base in Berkshire. Our services cover residential and commercial properties within these regions.
Do you offer emergency repair services?
Yes, we provide rapid-response repairs with same-day call-outs where possible. Our team prioritises urgent HVAC issues to minimise downtime for clients.
What warranties do you provide?
All Daikin installations come with a 7-year warranty on parts and labour. We also offer maintenance contracts with priority parts delivery and discounted repair rates.
Are your engineers certified?
We are F-Gas registered, and our team includes Daikin D1 Approved Partners. All engineers hold relevant industry certifications for HVAC installation and maintenance.
How often should MVHR systems be serviced?
We recommend servicing MVHR systems every 6-12 months to prevent dust buildup and ensure compliance. Regular maintenance reduces long-term repair costs and system failures.
Reviews (4)
Angus Maccormick
May 22, 2022
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Had two bedroom units installed by Ian and the team earlier this month and delighted with them- fabulous and quietly efficient AC. Installation was excellent, despite running into a few building issues through no fault of theirs- all dealt with seamlessly and professionally. Would thoroughly recommend them.
Caroline Ellison
May 16, 2022
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Thank you to Ian and his team. From start to finish Crystal Air were outstanding in communication, information and installation. They installed an air conditioning unit into my Counselling Cabin and were respectful and considerate of the cabin during installation. Ians' work is impeccable and attention to detail shines with the finished product. I am delighted to have bought my AC unit from Crystal Air and recommend them very highly. Thank you Ian, Roger and team, I will think of you this summer when in the cabin and feeling cool in the summer months. Thank you.
Sara Brown
Mar 12, 2022
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I used Crystal as they installed and maintained our units at the office and have always provided a great service. We had two air conditioning units installed in a residential property and as per usual another great service, the team are very polite and with great professional manners, installed both units in less than two days leaving everything clean and tidy. Would recommend
Simon Lapish
Jan 30, 2022
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Crystal were recommended to me by a trusted builder and their service has been excellent from start to finish. Good comms, prompt accurate quote and very neat/tidy work. V helpful in teaching us how best to use the new units, overall very happy to recommend! :- Service: Ductless heating & A/C services
