Insights & Resources

Building better.
One article at a time.

Practical insights on high-performance building design, mechanical systems, NatHERS compliance, Passive House, and everything in between — written by people who actually work on these buildings.

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All HVAC Design NatHERS & Compliance Passive House Commercial HVAC Indoor Air Quality Project Delivery
NatHERS & Compliance
NatHERS compliance in 2025: what architects need to know

NatHERS requirements have tightened significantly under the 2022 NCC updates. Here’s what the changes mean for your next residential project.

7 min read · Jacob TreadwellRead →
Passive House
HRV vs ERV: choosing the right heat recovery system for your build

Heat Recovery Ventilation and Energy Recovery Ventilation serve different climates and building types. Getting it wrong is expensive to fix.

6 min read · Jacob TreadwellRead →
Commercial HVAC
Section J compliance: a builder’s guide to getting it right first time

Section J of the NCC governs energy efficiency for commercial buildings. Most compliance issues are avoidable — here’s a practical guide.

8 min read · Jacob TreadwellRead →
Indoor Air Quality
What good indoor air quality actually means for a high-performance home

IAQ is often reduced to CO₂ levels and filter grades. But good indoor air quality is more holistic — and it starts well before the mechanical system is designed.

5 min read · Jacob TreadwellRead →
Project Delivery
Why the mechanical scope keeps blowing out — and how to stop it

Budget blowouts on mechanical scopes are common, predictable, and almost entirely preventable. The cause is almost always the same thing.

6 min read · Jacob TreadwellRead →
Passive House
Passive House in Australia: what it is, what it costs, and who it’s for

Passive House certification is becoming more common in Australia — but it’s still widely misunderstood. Here’s a clear, practical explainer.

9 min read · Jacob TreadwellRead →

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