Commercial Offices
Flexible zoning for office environments with varying occupancy and room-level cooling requirements.
VRF / VRV SYSTEMS
Flexible Climate Control
Flexible Climate Control
Engineered for Every Zone.
VRF and VRV systems provide flexible multi-zone conditioning, but system performance depends on correct load assessment, zoning, equipment selection, refrigerant piping and controls.
VRF / VRV SYSTEM
MULTI-ZONE ENGINEERING
VRF
OUTDOOR UNIT
01
ZONE A
INDOOR UNIT
02
ZONE B
INDOOR UNIT
03
ZONE C
INDOOR UNIT
04
ZONE D
INDOOR UNIT
01
THE ENGINEERING PERSPECTIVE
Multi-Zone HVAC
Requires More Than Unit Selection.
VRF and VRV systems allow multiple indoor units to operate within a coordinated refrigerant-based system. This makes zoning and individual space control an important part of the engineering process.
The system must be considered in relation to building loads, occupancy patterns, indoor-unit requirements, refrigerant piping, outdoor-unit capacity and control strategy.
APPLICATIONS
Where VRF / VRV
Where VRF / VRV
Fits the Building.
VRF systems can be considered where multiple zones have different cooling requirements, occupancy patterns or operating schedules.
Corporate Facilities
Multi-zone HVAC strategies for workspaces, meeting rooms and other independently conditioned areas.
Residential Buildings
Zone-based conditioning where different spaces require independent temperature control.
Specialised Spaces
VRF applications where system flexibility and zoning are important to the building requirement.
ENGINEERING SCOPE
Engineering the System
Engineering the System
Zone by Zone.
A VRF / VRV installation requires coordination between building loads, indoor units, outdoor units, refrigerant distribution and controls.
01
Load Assessment
Understanding the cooling requirement of individual spaces and zones before system selection.
02
Indoor Unit Selection
Matching indoor-unit configuration with room requirements, layout and intended use.
03
Outdoor Unit Selection
Considering connected loads and system configuration when evaluating outdoor-unit capacity.
04
Refrigerant Piping
Reviewing refrigerant distribution and piping requirements as part of the complete system design.
05
Zoning Strategy
Structuring zones around occupancy, usage patterns and independent comfort requirements.
06
Controls & Integration
Considering control requirements and integration across the installed VRF / VRV system.
DESIGN & OPTIMIZATION
Every Zone Has
Every Zone Has
a Different Requirement.
A multi-zone HVAC system should be evaluated according to how the building is actually occupied and operated.
Our engineering review considers the relationship between individual zones and the overall system rather than treating every room as an isolated cooling requirement.
Zone Definition
Identify spaces that require independent temperature control or operating schedules.
Connected Capacity
Review the relationship between indoor-unit requirements and outdoor-unit configuration.
Piping Strategy
Consider refrigerant distribution as part of the complete system engineering.
Control Strategy
Align room-level control requirements with the overall system operating strategy.
EXISTING VRF / VRV SYSTEMS
When Performance
When Performance
Doesn't Match Expectation.
An existing VRF / VRV system may experience uneven cooling, recurring faults, room-level comfort issues or operating problems.
Before considering major replacement decisions, a system-level assessment can help identify where the actual problem lies.
Explore HVAC Consulting
01
Uneven Room Cooling
02
Recurring System Faults
03
Zone-Level Comfort Issues
04
Ageing VRF Infrastructure
PROJECT EXPERIENCE
VRF Experience Across
VRF Experience Across
Commercial & Specialised Applications.
Resbird Technologies
VRF & Server Room
12 HP VRF cooling for a 24x7 server room together with low-side air-distribution work.
View Project ExperienceBain Capability Center
VRF & Central HVAC
Low-side central HVAC along with 60 HP VRF cooling infrastructure for a large commercial facility.
View Project Experience
OUR APPROACH
From Building Requirement
From Building Requirement
to Multi-Zone HVAC Strategy.
01
ASSESS
Understand building loads, spaces and operating requirements.
02
ZONE
Identify areas that require independent control and operation.
03
ENGINEER
Develop the appropriate VRF / VRV system configuration.
04
INTEGRATE
Coordinate piping, air distribution and control requirements.
05
REVIEW
Evaluate the system against the intended building requirement.
VRF / VRV ENGINEERING
Planning a VRF / VRV System
Planning a VRF / VRV System
for Your Building?
Start with the building requirement, zoning strategy and engineering assessment before final system selection.
Discuss Your HVAC Requirement