Full Building HVAC

Large commercial premises often require full building HVAC systems capable of providing adequate heating, ventilation and air conditioning throughout the premises. Differing system types are outlined below:

Variable Refrigerant Volume or Flow

VRV or VRF systems offer heating and cooling, either simultaneously or individually. Typically they comprise internal four-way cassette, concealed ducted and wall mounted fan coils linked to larger modular external condensing units capable cooling and heating duties aligned with the load of the building. These systems can be adapted to suit your budget and property type, given their modular and scalable design.

Centralised Chillers and Air Handling Units (AHU’s)

Air Options are often invited to install, replace or upgrade existing water chillers to improve reliability or increased performance. Water chillers differ to VRV or VRF as they cool using refrigerant gas and water as a secondary cooling medium, as opposed to refrigerant gas alone. Water chillers are generally installed in larger building that have centralised plant locations and are not cost effective for smaller single or multi-room requirements.

Centralised AHU’s can once again be upgraded, replaced or refurbished to offer increased or modified fresh air and extraction levels in your building. It is extremely important these are designed with current legislation and the welfare of your staff in mind supplying fresh air levels at 12 litres per second per person. Should this be part of a new build, building control will require the systems designed to meet legislative requirements and modern building standards in addition to the 12 litres of air stated.


The heating, ventilation and air conditioning systems serving any building type or application require routine maintenance. We can offer competitive full building HVAC maintenance packages to suit all applications and budgets.

We offer a full range of building maintenance services, whether this be a few hours attendance by one of our engineers or many days per month. Our customers are able to tailor the packages we offer to suit both their requirement and specific budget.

In addition to client requirement, we are able to advise if there are any legislative stipulations they need to adhere to, which in most cases, there are! We have the expertise in house to advise exactly what is needed.


Experiencing problems with your buildings air conditioning? We make sure that the whole experience from diagnosis to repair is headache free, enabling you to continue with your day to day activities and have you back up and running as soon as we can.


The design and installation of the full building HVAC systems should only be conducted with a thorough understanding of the property, client expectation and legislation, ensuring the best and most suitable system is engineered and put forward.

We are confident in our abilities and offer a price promise in addition to a workmanship guarantee. Pick up the phone today, or contact us, to see what we may be able to do for you and your business.