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22 Years
experience
Emergency
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Your Trusted HVAC Partner in Chichester
Established in 2004, A3 Air delivers quality HVAC solutions across the UK and Europe. We specialise in the design, installation, and maintenance of air conditioning, ventilation, and kitchen extraction systems tailored to commercial and residential clients. Our engineers are certified in refrigerant handling, adhering to the latest health and safety legislation. We offer free site surveys to ensure systems meet client requirements before installation. As authorised installers for Daikin, Mitsubishi, and Toshiba, we provide warranties ranging from 1 to 5 years.

Our preventative maintenance contracts ensure long-term system efficiency. With over 50 years of combined experience, we serve sectors including hospitality, healthcare, and retail. Client testimonials highlight our professionalism, minimal disruption during projects, and clear communication. We prioritise health and safety, operating with certified methodologies for all projects.
Services
Air Conditioning Ventilation Systems Kitchen Extraction HVAC Maintenance Ductwork Installation
Details
  • Year established: 2004
Highlights and features
  • We have over 50 years of combined experience in HVAC systems.
  • We provide free site surveys for tailored system design.
  • Our engineers are certified in safe refrigerant handling.
  • We are authorised installers for Daikin, Mitsubishi, and Toshiba.
  • We offer preventative maintenance contracts for system longevity.
What people say
Excellent start Very tidy Kept informed
Services
Air Conditioning
We design and install air conditioning systems, including VRV/VRF units with heat recovery. Our services cover residential and commercial properties, ensuring efficient climate control. Systems are backed by manufacturer warranties and maintenance contracts.
Ventilation Systems
Our ventilation solutions include ducted systems, package units, and temperature-controlled fresh air input. We meet EHO requirements, ensuring compliance and optimal indoor air quality for offices, shops, and homes.
Kitchen Extraction
We manufacture and install stainless steel canopies, ducted extract systems, and filters. Our solutions cater to commercial kitchens, ensuring effective grease and smoke removal while meeting health standards.
HVAC Maintenance
Regular maintenance contracts ensure HVAC systems operate efficiently. Our certified engineers perform inspections, cleaning, and repairs to prolong system lifespan and prevent breakdowns.
Ductwork Installation
We supply and install ductwork in galvanised or stainless steel, tailored to ventilation and HVAC requirements. Systems include exhaust stacks and chimneys for industrial and commercial applications.
Questions
What services does A3 Air offer?
We provide HVAC installation, ventilation systems, kitchen extraction, ductwork, and maintenance services for commercial and residential clients.
Are A3 Air certified for refrigerant handling?
Yes, our engineers are certified in safe refrigerant handling, including F-Gas compliance.
Do you offer free site surveys?
Yes, we provide free site surveys to assess your HVAC requirements before system design.
Which areas do you cover?
We operate across West Sussex, Hampshire, Surrey, Kent, London, and surrounding regions.
Do you provide emergency HVAC services?
Yes, we offer emergency services for urgent HVAC issues to ensure minimal disruption.
What warranties do you provide?
Our systems come with manufacturer warranties ranging from 1 to 5 years, depending on the system type.