Melbourne's #1
Thermann Specialists
Factory-trained technicians. Genuine Thermann parts. Same-day emergency service across all Melbourne suburbs — 24/7, 365 days.

Melbourne's Most Trusted
Thermann Specialists
Thermann's advanced inverter technology requires specialised knowledge. Our factory-trained team knows every Thermann product line inside out.
Factory-Trained Technicians
Our team completes Thermann-certified training on all product lines. We know your exact model, its quirks, and the right fix every time.
50 Parts Stocked Per Van
We carry the 50 most common Thermann spare parts in every service van, enabling genuine same-day fixes without waiting for parts.
Fully Licensed & Certified
VBA-licensed, gas-safe registered, fully insured. Every job comes with official compliance certificates and a written service report.
Complete Thermann Service —
Installation to Emergency Repairs
Every Thermann service need, covered by one specialist team. No call centres. No subcontractors.
Installation & Replacement
Expert system design and seamless installation for all Thermann split and ducted systems across Melbourne.
- System sizing & design
- Professional installation
- Old unit removal
- Full commissioning & testing
Fast Thermann Repairs
Stocked vans with genuine Thermann parts enable same-day fixes on most faults. No waiting, no excuses.
- 24/7 emergency call-outs
- Same-day diagnosis & repair
- Genuine Thermann parts only
- Parts & labour guarantee
Annual Servicing
Keep your Thermann system at peak efficiency year-round with our comprehensive seasonal service.
- Complete 20-point inspection
- Filter cleaning & replacement
- Refrigerant level check
- Performance optimisation report
CO Safety Testing
Mandatory carbon monoxide testing for rental properties under Victorian regulations. Certificates issued same day.
- Certified CO digital detection
- Written safety report
- Compliance certificate issued
- Full landlord documentation
From Call to Certified —
Here's How It Works
A transparent, no-surprise process from first contact to sign-off.
Call or Book Online
Reach us any time, 24/7. We confirm your booking and provide an upfront estimate within minutes.
Technician Arrives
Your Thermann-trained tech arrives on time in a fully-stocked van. Uniform, ID, and genuine parts ready.
Diagnose & Fix
We explain the fault clearly before starting. Most repairs are completed in a single visit.
Certified & Done
You receive your full compliance certificate and service report. Job done, system running perfectly.
Every Thermann Model —
We've Got It Covered
From the latest Zena Series to legacy ducted systems. If it's Thermann, we service it.
Real Thermann Jobs —
Across Melbourne This Week
Every job, every suburb. See the work our team is completing right now.
Thermann split system not heating — faulty reversing valve replaced same day.
Full 20-point Thermann ducted system inspection and filter clean completed.
Thermann Zena 7.1kW installed — old unit removed and fully tested.
Carbon monoxide compliance test completed — certificate issued same day.
Error code A1 — PCB board diagnosed and replaced in under 3 hours.
Pre-winter Thermann ducted service — refrigerant topped, system all clear.
100% Genuine Thermann Parts.
Never Generic. Never.
Generic or counterfeit parts destroy Thermann's inverter efficiency and void any remaining coverage. We source every component direct from Thermann's Australian distribution network.
- ✓Direct Thermann Australia supply chain
- ✓Parts matching your exact model code
- ✓Refrigerant to exact Thermann specification
- ✓All components installed to Thermann spec
Should You Repair
or Replace Your Thermann?
Not sure whether to fix or upgrade? Use our guide to make the right call.
Repair is the smart choice if…
- ✓System is under 8 years old
- ✓Single, isolated fault identified
- ✓Energy bills are still reasonable
- ✓No recurring breakdowns in past year
- ✓Fault is a sensor or minor component
Upgrade makes sense if…
- ▲System is 10+ years old
- ▲Multiple faults in the past 2 years
- ▲Compressor or PCB failure (major cost)
- ▲Energy bills have risen significantly
- ▲R22 refrigerant (phased out, illegal to recharge)
6 Signs Your Thermann
Needs Urgent Attention
Small issues become expensive failures fast. If you notice any of these, call today.
Blowing Cold Air
Heater runs but produces cold or lukewarm air instead of warmth
Water Leaking
Visible water pooling around your indoor or outdoor Thermann unit
Error Code Showing
Any flashing indicator or fault code displayed on your controller
Sudden Bill Spike
Energy bills spiking with no change in your usage patterns
Unusual Noises
Grinding, rattling, banging or squealing sounds from the unit
Burning Smell
Any burning or electrical odour when the heater operates — call immediately
Carbon Monoxide &
Gas Safety — What You Need to Know
Carbon monoxide (CO) is colourless, odourless, and potentially fatal. Gas-powered Thermann systems can produce CO if they have a cracked heat exchanger, blocked flue, or faulty burner. Victorian regulations require annual CO testing for rental properties.
Thermann Fault Codes — Decoded
Seeing a code on your controller? Find out what it means and what to do next.
Why Not Use a
Generic HVAC Repairer?
Thermann's inverter technology is complex. The wrong diagnosis is costly. Here's what separates us from generic tradespeople.
- ✕No Thermann-specific training
- ✕May use aftermarket or generic parts
- ✕Misdiagnosis is common — adds cost
- ✕No compliance certificate issued
- ✕May void manufacturer coverage
- ✕No specialist diagnostic equipment
- ✓Factory-trained on all Thermann product lines
- ✓100% genuine Thermann parts only
- ✓Accurate diagnosis first time, every time
- ✓Full compliance certificate issued
- ✓Licensed, gas-safe, fully insured
- ✓Thermann-specific diagnostic tools on every van
Covering All Melbourne Suburbs
Same-day Thermann service across all of Greater Melbourne.
Thermann Services for
Business & Commercial
From small retail stores to large office complexes, we manage Thermann commercial systems across Greater Melbourne. Planned maintenance contracts, priority call-outs, and full compliance documentation.
What Melbourne Thermann Owners Say
Real experiences from real customers across Melbourne.
“Fixed Our Thermann at Midnight”
Our ducted Thermann died on the coldest July night. The team arrived in 3 hours with genuine parts and had us warm by midnight. Absolutely incredible.
“Spotless Thermann Installation”
Upgraded to a Thermann Zena. The installation was immaculate — they protected our floors, cleaned up, and even set up remote control access for us. True professionals.
“3 Years Running, Always Flawless”
Used them for annual Thermann servicing 3 years in a row. Always on time, always thorough. Our energy bills actually dropped since they optimised the system settings.
Thermann Service — Your Questions Answered
Everything you need to know before booking your Thermann service.
Need Your Thermann
Sorted Today?
One call. Fast response. Genuine parts. Certified service. That's the promise we keep — every time.
Tap to call — no forms, no waiting0405 133 761