Understand how your home really performs
A comprehensive building performance assessment that identifies air leakage, comfort issues and opportunities to improve your home’s energy efficiency and indoor air quality.
- Independent & impartial
- Adelaide & South Australia
- Existing & new homes
- Plain-English report
We don’t just sell a blower door test. We sell answers.
The test is just a tool. What you really want is the answer.
A blower door test on its own gives you a number. The Home Performance Assessment uses it — along with smoke diagnostics and a proper walkthrough — to actually explain things: why your home is uncomfortable or expensive to run, where it’s leaking, whether it’s getting enough fresh air, and what to do about it first.
What’s wrong with your home?
Tick everything you’ve noticed. We’ll show you the likely causes — and exactly how the assessment gets to the bottom of each one.
Select one or more symptoms above to see what’s likely causing them and how a Home Performance Assessment investigates it.
Is this assessment right for me?
Whatever stage your home is at, the assessment gives you the answers before you spend.
Existing home
“I've got draughts, condensation or high energy bills.”
Find out exactly why your home is uncomfortable or expensive to run — and which fixes will make the biggest difference for the least spend.
Building a new home
“I want to know how airtight my home really is.”
Verify the airtightness of your build and catch leakage paths while they're still easy and cheap to seal — before lining and handover.
Planning a renovation
“I want to improve my home before spending money.”
Establish a measured baseline so your renovation budget targets the improvements that actually deliver comfort and efficiency.
Where is your home losing energy?
In a typical home, conditioned air escapes through dozens of paths. Explore where it goes — these are the leaks the assessment hunts down.
Tap a marker to see how that part of the home leaks.
Ceiling & roof space
25%The biggest single loss in most homes. Warm air rises and escapes through the ceiling into the roof space via gaps, hatches and poorly sealed junctions — taking your heating with it.
Typical share of air leakage
How leaky is a home like yours?
Most homes leak far more than their owners realise. See how a home like yours typically compares — then replace the estimate with a real measurement.
Which home sounds most like yours?
Pick the closest match to see how much air a home like yours typically leaks.
Typical air leakage
≈ 10 ACH₅₀
17×
leakier than a Passive House
Comfort
Uneven temperatures, draughts around windows, doors and downlights.
Running costs
A large share of your heating and cooling is leaking straight out of the building.
ACH₅₀ = air changes per hour at 50 pascals, the standard blower door test pressure. Figures shown are indicative typical ranges — the average Australian home measures around 10–15 ACH₅₀ (CSIRO, 2024). A Home Performance Assessment replaces these estimates with your home’s real, measured result.
What we assess
You’re not paying for someone to put a fan in a doorway. Here’s the full building health check.
Building overview
We start with the full picture: construction type, age and orientation, how the home is heated and cooled, hot water, and the concerns you've noticed. This context shapes everything that follows.
- Construction type & age
- Orientation & exposure
- Heating, cooling & hot water
- Your known concerns
Airtightness
A calibrated blower door test measures exactly how much air your home leaks — turning a vague feeling of 'draughty' into a hard number you can compare and improve.
- Blower door test (ACH₅₀ & q₅₀)
- Building pressure measurement
- Comparison against typical homes
- Plain-English explanation of the result
Air leakage investigation
With the home under test pressure, smoke diagnostics reveal precisely where air is getting in and out. We photograph and rank each leak so you know what to fix first.
- Smoke diagnostics
- Major leakage locations identified
- Photo documentation
- Priority ranking of leaks
Ventilation review
Airtight or leaky, every home needs the right fresh air in the right places. We assess whether yours is actually getting it — room by room.
- Natural ventilation & fresh-air pathways
- Exhaust fans & bathroom performance
- Kitchen extraction
- Bedroom ventilation
Moisture & condensation
Condensation and mould are symptoms, not causes. We assess the conditions creating them so the fix addresses the source, not just the surface.
- Visible condensation indicators
- Possible mould risks
- Humidity discussion
- Cold-surface risk areas
Building envelope review
A walkthrough of the fabric that separates inside from out — looking for the weak points that drive heat loss, leakage and moisture problems.
- Insulation observations
- Penetrations & service entries
- Windows & doors
- Roof space & subfloor (if accessible)
Recommendations & roadmap
The whole point of the assessment: a clear, prioritised plan of what to do, in what order, and what each step will achieve.
- Immediate improvements
- Medium-term improvements
- Future upgrades
- Priority order & expected benefits
Your report, at a glance
The assessment is delivered as a premium report that explains what we found, why it matters, and what to do first. People buy what they can see — so here’s a preview.
HiPer Home Performance Score
Sample result — every home gets a benchmark to improve over time.
What’s inside every report
Executive summary
The headline findings in plain English — what's going on with your home.
Performance score
A benchmark across comfort, airtightness, ventilation, moisture and efficiency.
Photos & air-leakage map
Documented leak locations so you can see exactly where the problems are.
Priority actions
The highest-impact fixes, ranked — what to tackle first.
Recommendations & roadmap
Immediate, medium-term and future upgrades with expected benefits.
The difference an assessment makes
Drag the slider to see how a typical existing home changes once improvements are targeted at what the assessment actually found.
- Even, stable temperatures room to room
- Air leakage sealed where it mattered most
- Controlled ventilation, lower condensation risk
- Materially lower heating & cooling demand
- Cold rooms the heater can't keep up with
- Draughts around windows, doors and downlights
- Condensation and mould risk in winter
- High, unpredictable energy bills
Drag to compare. Illustrative of a typical existing home before and after targeted, assessment-led improvements.
How it works
A clear path from “something’s not right” to a measurably better home.
Free 15-min consultation
A quick chat to understand your home and what's bothering you.
Assessment booked
We schedule a convenient time for the on-site assessment.
Site visit
Blower door test, smoke diagnostics, ventilation and envelope review.
Your report
A premium report explaining what we found and why it matters.
Improvement roadmap
A prioritised plan of what to fix first for the biggest gains.
Retest (optional)
Verify improvements with a follow-up test once works are done.
What does it cost?
Every home is different, so each assessment is tailored. Assessments start from $1,250, with the final price depending on the size and complexity of the home and your location.
Start with a free 15-minute consultation, or request a tailored assessment and we’ll confirm the price for your home.
Request a tailored assessmentOptional add-ons
Go deeper where it counts. Add any of these to your assessment.
Thermal imaging
Infrared survey to reveal insulation gaps, thermal bridges and hidden moisture.
MVHR consultation
Whether mechanical heat-recovery ventilation is right for your home, and how it would fit.
Range hood makeup air
Assess whether your kitchen extraction is starving the home of air or causing backdraft.
Follow-up verification test
A second blower door test to quantify the improvement after sealing works.
Retrofit consultation
A deeper planning session for staged whole-of-home performance upgrades.
Tell us about your home
The more we know, the more useful our first conversation will be. Book a free 15-minute consultation or request a full assessment — no obligation either way.
Learn more about your home
The problems an assessment uncovers, explained in plain English.
Frequently asked questions
Find out exactly how your home performs
Stop guessing. Get the answers — and a clear plan to make your home more comfortable, healthier and cheaper to run.