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Trusted HVAC Contractors in Surrey
Capitol Air Conditioning has been delivering professional air conditioning solutions since 1990. As a family-run business with over 35 years of industry experience, we specialise in tailored installations, maintenance contracts, and repair services for both commercial and domestic clients. Our team of DBS-checked engineers provides dedicated site support, emergency call-outs, and energy-efficient solutions across Surrey, Hampshire, and all UK counties. We hold CITB certifications and F-Gas accreditation, ensuring compliance with industry standards.

Our engineers utilise advanced diagnostic tools and stock a range of refrigerants to address diverse client needs. With testimonials from satisfied clients like Berkeley-Scott and Geotrace Technologies Ltd, we prioritise minimal disruption during installations and maintain rigorous quality control. Our service portfolio includes system design, VRF installations, and portable unit sales, supported by a 24/7 emergency response service.
Services
Air Conditioning Installation Repairs Maintenance Contracts Heat Pump Systems Portable Units Ventilation Services Energy Assessments
Highlights and features
  • We have over 35 years of experience in air conditioning solutions.
  • Our engineers are DBS-checked and F-Gas certified.
  • We offer 24/7 emergency call-out services with no charge.
  • We provide energy assessments to reduce operational costs.
  • Our team serves Surrey, Hampshire, and all UK counties.
Associations and certifications
  • F-Gas Certification
  • CITB
What people say
Efficient and courteous service Very little disruption Satisfied with performance Prompt emergency response Knowledgeable engineers
Services
Air Conditioning Installation
We design and install custom air conditioning systems for commercial and domestic properties. Our engineers conduct site surveys, recommend energy-efficient solutions, and handle complex installations including VRF and close-control systems. Clients benefit from minimal disruption during works and long-term operational efficiency.
Emergency Repairs
Our 24/7 emergency repair service addresses urgent air conditioning failures. Certified engineers respond promptly with fully equipped vehicles, diagnosing issues and implementing cost-effective solutions. No call-out charges apply, ensuring peace of mind for critical cooling requirements.
Maintenance Contracts
Scheduled maintenance contracts preserve system performance and longevity. Our CITB-certified technicians perform thorough inspections, clean components, and optimise efficiency. Regular servicing reduces energy costs and prevents unexpected breakdowns through proactive issue identification.
Heat Pump Systems
We supply and install heat pump systems for year-round temperature regulation. Our solutions integrate with existing infrastructure, offering energy-efficient heating and cooling. Engineers ensure optimal placement and configuration to maximise system effectiveness and client comfort.
Portable Units
Portable air conditioning units provide flexible cooling solutions for short-term needs. We offer sales and delivery of high-performance units suitable for offices, events, or construction sites, ensuring rapid deployment and reliable operation in diverse environments.
Questions
What areas do you cover for air conditioning services?
We serve Surrey, Hampshire, and all UK counties for installations, repairs, and maintenance.
Do you offer emergency air conditioning repairs?
Yes, our 24/7 emergency service responds promptly with no call-out charges.
Are your engineers certified for refrigerant handling?
Our team holds F-Gas certification and CITB approvals for safe refrigerant management.
Can you install systems in commercial premises?
We specialise in commercial installations including VRF systems, server rooms, and industrial facilities.
Do you provide energy efficiency assessments?
Yes, we offer energy assessments with recommendations to reduce cooling costs.