Passive House & Building Science
How Passive House and high-performance building works in the NZ climate: airtightness, insulation, ventilation, glazing, comfort and health.
Written for people planning a home in Nelson, Tasman, Richmond, Motueka and across the top of the South.
Is a Passive House Worth It in New Zealand?
Warm in winter, cool in summer and cheap to run: see whether a Passive House is worth the premium for a Nelson Tasman home, and what you get back.
Read the guide
The Five Principles of a Passive House, Explained
The five things that make a home a Passive House, explained simply: insulation, airtightness, high-performance glazing, heat-recovery ventilation and thermal-bridge-free design, and how they work together in a New Zealand home.
Read the guide
Why So Many NZ Homes Are Cold and Damp, and How to Fix It in a New Build
Tired of cold, damp, mouldy rooms? What the research really shows, and how to design a new build in Nelson Tasman that stays warm, dry and healthy for good.
Read the guide
Is Your Home Making You Sick? An Indoor-Air and Health Self-Check
Could your home be making you sick? A quick room-by-room check for damp, mould and poor indoor air, what the signs mean, and how a new build fixes them.
Read the guide
What Is a Certified Passive House, and How Is It Different in NZ?
What certification actually proves: the performance targets behind a certified Passive House in New Zealand, and how it differs from the Building Code and Homestar.
Read the guide
Passive House vs Homestar vs SuperHome: Which Standard Is Right for You?
Confused by the standards? Passive House, Homestar and SuperHome compared: what each one measures, and how to choose or combine them for your New Zealand home.
Read the guide
How Much Does a Passive House Cost to Build in New Zealand?
What a Passive House really costs to build in New Zealand: honest Nelson Tasman builder figures instead of misleadingly low public averages, and exactly where the premium goes.
Read the guide