Air Conditioning & Ventilation Specialists Since 1982
Providing installation, servicing and planned maintenance for businesses across Northern Ireland, the UK.
Nearly 40 years’ experience | F-Gas compliant | Manufacturer-trained engineers
A Local Business Built on Experience
Tag Air has been part of the air conditioning industry in Northern Ireland since 1982. What started as a small family business has grown into a trusted contractor working with customers across the UK and the Island of Ireland.
We’ve always believed in doing things properly — quality installations, honest advice, and aftersales support you can actually rely on. Many of our customers have been with us for years, and we take pride in building long-term relationships, not just winning one-off jobs.
Air Conditioning
We supply, install and maintain air conditioning systems for a wide range of commercial and industrial premises.
- New installations and upgrades
- Planned preventative maintenance (PPM)
- Breakdown and repair support
- Manufacturer-backed service
Ventilation
From improving air flow to supporting compliance, we design and maintain ventilation systems that suit your building.
- Ventilation system installation
- Servicing and planned maintenance
- System upgrades and replacements
- Support with inspections and reporting
Planned Maintenance That Saves You Hassle Later
A lot of breakdowns we attend could have been avoided with routine servicing. Air conditioning and ventilation systems are expensive pieces of equipment, and like anything mechanical, they need looked after.
Our planned maintenance inspections follow manufacturer recommendations and help keep systems running efficiently, reduce unexpected downtime, and support compliance with F-Gas regulations.
We see it as part of the job once your system is installed, we’re there to support it long-term.
- Tailored maintenance packages to suit your site
- Scheduled visits using our planning system
- Detailed reports after every inspection
- F-Gas log management where required
- Improved efficiency and system lifespan
- Reduced risk of expensive failures
A Team You Can Rely On
Tag Air is led by Brian Taggart and supported by an experienced team across contracting, servicing, maintenance and accounts. We’re proud to be a company where customers know who they’re dealing with.
Need a Quote or Some Advice?
If you’d like to speak to someone about air conditioning, ventilation or planned maintenance, get in touch and we’ll point you in the right direction.



