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Your Trusted HVAC Partner in Hemel Hempstead
PACAIR has established itself as a leading provider of air conditioning solutions through decades of technical expertise and customer-centric service. Founded with a commitment to innovation, we specialise in designing and supplying energy-efficient HVAC systems tailored to commercial and residential needs. Our partnerships with industry leaders like Mitsubishi Electric and Toshiba enable us to offer cutting-edge technology while maintaining rigorous quality standards. With ISO 9001:2015 accreditation, we prioritise precision in every project, from initial design to post-installation support.

Our team's deep technical knowledge ensures bespoke solutions that meet evolving regulatory requirements and client specifications. By fostering long-term relationships with clients and manufacturers, we deliver reliable, cost-effective systems that enhance comfort and sustainability. Our 24/7 technical support and nationwide service network underscore our dedication to client satisfaction, making us a trusted partner in the HVAC industry.
Services
VRF Systems Commercial Split Systems Residential Split Systems Ventilation Units System Controls Heating Systems Chillers
Highlights and features
  • We offer ISO-certified quality assurance for all HVAC systems
  • Our technical team provides 24/7 support for critical projects
  • Partnership with Mitsubishi Electric ensures access to market-leading technology
  • Bespoke design solutions tailored to specific building requirements
  • Nationwide service network with regional technical hubs
Associations and certifications
  • BS EN ISO 9001:2015
What people say
Technical expertise 24/7 support Bespoke solutions Long-term partnerships Market-leading technology
Services
VRF Systems
Our VRF air conditioning systems modulate refrigerant flow to match building capacity requirements. These energy-efficient systems use R410A refrigerant, enabling smaller pipe sizes and reduced environmental impact. Each system combines external condensing units with multiple indoor units for zoned temperature control. Technical advantages include compliance with EN378 standards and compatibility with Mitsubishi Electric technology. Ideal for commercial buildings requiring precise climate management across multiple zones.
Commercial Split Systems
Designed for shops, offices, and restaurants, our commercial split systems feature inverter technology for energy savings and quiet operation. The range includes replacement solutions for R22 systems and multiple indoor unit configurations. Technical specifications cover discreet cassettes, high-wall ducted units, and custom installation options. These systems offer flexible control options while maintaining aesthetic integration with commercial spaces.
Residential Split Systems
Our residential split systems combine low sound levels with modern design aesthetics. The energy-efficient units provide precise temperature control through advanced air treatment technology. Systems feature easy installation and smart control options while maintaining elegant design profiles. Technical specifications ensure optimal performance for various home sizes while complying with environmental regulations.
Ventilation Solutions
We supply ventilation systems addressing indoor air quality challenges from modern building insulation. Our solutions manage humidity, reduce pollutants, and improve productivity in airtight environments. Technical features include energy recovery ventilation and compatibility with HVAC systems. These systems prevent mould growth and maintain healthy indoor climates for commercial and residential properties.
System Controls
Our control systems optimise HVAC performance through precise environmental monitoring. The range includes standard and custom-designed control solutions for commercial applications. Technical capabilities address varying room sizes, occupancy patterns, and climate factors. These systems ensure energy efficiency while maintaining consistent comfort levels across different building types.
People
Nigel
Team Leader
With over 16 years of industry experience, Nigel leads technical operations and client relationships. His expertise in HVAC system design ensures bespoke solutions for complex projects.
Questions
What HVAC systems does PACAIR specialise in?
We specialise in VRF systems, commercial/residential split systems, ventilation units, and Mitsubishi Electric solutions with tailored control systems.
Are PACAIR's systems energy efficient?
All our systems use R410A refrigerant and meet EN378 standards, ensuring optimal energy efficiency and environmental compliance.
Do you offer technical support outside working hours?
Yes, our technical team provides 24/7 support for critical project requirements and emergency situations.
What accreditations does PACAIR hold?
We maintain BS EN ISO 9001:2015 certification for quality management systems and are Mitsubishi Electric Applied Project Specialists.
Can PACAIR handle bespoke HVAC projects?
Yes, our team specialises in custom-designed systems for unique architectural and technical requirements.