For projects pursuing full Passive House certification, PHPP remains an essential and highly valuable tool. At Vector, we support Passive House consulting and understand the importance of detailed building performance modelling.
However, not every project is aiming for full certification.
Many builders, architects, and homeowners want to apply passive design principles without committing to the full certification pathway. They still want confidence that the home will be comfortable, efficient, healthy, and properly serviced by the right mechanical systems.
That is where Vector Performance Modelling comes in.
Vector Performance Modelling is focused on the real-world performance of the home — how it will feel, how it will behave, and what mechanical systems it actually needs.
It can work alongside Passive House modelling, NatHERS assessments, or independently as a practical design tool to help identify heating loads, cooling loads, humidity risks, ventilation requirements, and system sizing before construction begins.
Accurate calculation of the energy your home needs across seasons, based on envelope performance, climate zone, and occupancy patterns.
Quantifying heat entering through glazing and the building fabric, informing shading, window placement, and glazing specification decisions.
Modelling heat generated by occupants, appliances, and lighting — a critical but often overlooked contributor to cooling loads and thermal comfort.
Understanding how airtightness and ventilation interact to influence indoor humidity — identifying condensation risk and dehumidification needs before they become problems.
Assessing how the building's envelope air permeability affects energy use, comfort, and the required mechanical ventilation strategy.
Modelling how a Heat Recovery Ventilation system will interact with the thermal envelope — improving fresh air delivery without unnecessary heat loss.
Ensuring heating and cooling equipment is correctly sized for the actual loads — avoiding the common pitfalls of oversizing, short cycling, and poor humidity control.
Identifying whether dedicated dehumidification is needed, and where in the home — critical for airtight, well-insulated homes in humid climate zones.
Clear, actionable guidance for builders, architects, and homeowners — written to be understood and implemented on site, not just read in a report.
to give you clear, buildable answers before construction begins — so every system decision is made with confidence, not guesswork.
It is about how all parts of the building work together. The building envelope, glazing, ventilation, humidity control, heating, cooling, and air movement all influence how the home feels and performs.
When these elements are not properly considered together, problems can appear later:
Oversized or undersized air conditioning
Poor humidity control
Rooms that overheat
Systems that short cycle
Comfort complaints from clients
Trades making decisions on site without direction
Extra costs after construction has already started
Vector Performance Modelling gives builders clearer direction before construction starts. It helps reduce site guesswork, improve coordination with trades, and provide stronger confidence when speaking with clients about comfort, ventilation, heating, cooling, and humidity control.
Vector Performance Modelling helps support your design intent with measurable performance insight. It gives greater clarity around comfort, glazing performance, solar gain, ventilation strategy, and mechanical system requirements — without taking away from the architectural vision.
Vector Performance Modelling helps you understand how your home is likely to feel before it is built. It gives you confidence that the home has been considered properly — not just for energy efficiency, but for comfort, health, humidity, and long-term liveability.
Whether your project is pursuing Passive House certification, aiming for a high NatHERS
result, or simply trying to build a better-performing home, Vector Performance Modelling
provides practical insight before the expensive decisions are made. It helps answer one of the most important questions in any high-performance build:
Will this home actually perform the way we expect it to?
Talk to the Vector HRV Team. Whether you’re building a new home, upgrading an existing property, our team is ready to help with practical, buildable performance insights.
