Full Home Retrofit
Why Choose Us for Your Full Home Retrofit?
4,8 Google Reviews
Our team brings years of experience with full home retrofits
One accountable team
We coordinate every trade and manage the whole programme, so you aren’t stuck project-managing.
60-day turnaround
A disciplined schedule and weekly check-ins keep work moving to handover on time.
Healthy Homes ready
We prioritise heating, insulation, ventilation, moisture and draught-stopping to meet NZ standards.
Clear scope & pricing
Bank-friendly estimate, transparent allowances, and photo updates at each milestone.
How It Works
Installation is just the beginning — we're here for maintenance, questions, and future upgrades. Your comfort is our long-term commitment.
See What Our Customers Are Saying
“Quick, clean, and professional.”
Airthorne replaced our old AC system in just one day. The crew arrived on time, explained everything clearly, and left no mess behind. We noticed the difference immediately — the house has never felt this comfortable!
— Jessica R., Westfield
“Honest service you can trust.”
We had no heat during a cold snap, and Airthorne came through fast. They didn’t upsell or overcharge — just fixed the issue and made sure everything was working perfectly. Can’t recommend them enough.
— Tom M., Essex County
Things You Need to Know
Do you handle both residential and commercial projects?
Yes—our team delivers both, from planning through to maintenance.
Can you manage the building consent for me?
Yes—we prepare and lodge applications, then coordinate inspections.
How long do most upgrades take?
Scopes vary; our retrofit programme targets a 60-day turnaround from sign-off to handover.
Do you provide documentation I can share with owners/insurers?
Yes—progress photos, milestones and a summary on completion.
What areas do you service?
DNG and Retronew operates from Christchurch.
