Best HVAC combustion analyser Australia

Choosing the best HVAC combustion analyser in Australia

When winter rolls through Victoria or Tasmania, a reliable gas heater is a must. But what if that cosy warmth is masking an underperforming system that’s wasting gas or, worse, becoming a silent safety hazard? That’s where a combustion analyser for Aussie gas heaters comes in—especially one from Fieldpiece. These smart tools ensure your gas heater runs efficiently, safely, and cost-effectively.

In this blog, we’ll unpack why combustion analysis is essential for Australian homes, how Fieldpiece combustion analysers work, and what features to look for. We’ll also spotlight the best Fieldpiece models tailored to Aussie gas heaters. Whether you're a licensed tradie servicing residential gas systems or a homeowner curious about heater safety and performance, this guide has you covered.

Why Combustion Analysis Matters in Aussie Winters

For those of us living in the colder corners of Australia – think Melbourne suburbs, Ballarat, Launceston, or Hobart – natural gas heaters are a winter essential. They’re affordable, fast-heating, and great for ducted systems. But just like a car engine, a gas heater needs regular tuning to run efficiently and safely.

Combustion analysis is the process of measuring gases like carbon monoxide (CO), carbon dioxide (CO2), and oxygen (O2) in the exhaust of your heater. This helps determine how cleanly your unit is burning fuel. A poorly adjusted heater could be wasting gas or, worse, leaking dangerous levels of CO.

A properly tuned heater burns fuel more efficiently, uses less gas, and helps reduce carbon emissions. That’s good for the environment and your energy bill. And let’s be honest—no one wants their family exposed to invisible dangers like CO leaks.

Fieldpiece combustion analysers take the guesswork out of the job. They give fast, accurate readings so techs can adjust burners, check flue conditions, and ensure heaters are safe to use. For homeowners, this means peace of mind and lower energy bills.

Regional Reliability

In Victoria, where ducted gas heating is common, and Tasmania, where split gas systems help battle sub-zero temps, these analysers are practically a must-have. Gas appliances must be tuned regularly to keep your heating effective and safe. That’s especially true in older homes and during long winters.

How Fieldpiece Combustion Analysers Work (Made Simple)

Alright, let’s keep this simple. A Fieldpiece combustion analyser pulls in a sample of exhaust gas from your heater's flue or vent pipe. Inside, sensors detect the amounts of oxygen, carbon monoxide, and sometimes nitrogen oxide. The tool then crunches numbers to give you key info like:

• CO levels (carbon monoxide)

• CO2 levels (carbon dioxide)

• Efficiency (how much heat is being used vs. wasted)

• Draft and flue pressure

• Air-to-fuel ratio

This data helps determine if your heater is running efficiently and safely. For tradies, having this data on the spot means faster servicing and better outcomes. For families, it means confidence that their heater isn’t putting their health at risk.

App-Based Convenience

Many Fieldpiece models connect with the Job Link app, which means data is stored in real time, easily shared with clients, or used for compliance documentation. It saves time, reduces paperwork, and increases transparency with homeowners.

Aussie Buyer’s Guide: Choosing the Right Combustion Analyser

If you’re in the market for a combustion analyser, here’s what to keep an eye out for:

Australian Standards Compatibility

Make sure the analyser suits our natural gas heating systems. Models from Fieldpiece are calibrated for Australian conditions, which is a big win.

Wireless and App-Connected

Fieldpiece's Job Link system connects wirelessly to your smartphone, making readings easier to log and share.

Fast Warm-Up Time

In cold weather, you don’t want to stand around waiting for your device to boot up. Go for one with a fast warm-up and accurate sensors.

Replaceable Sensors

Sensors degrade over time. Look for analysers with easy-to-replace sensors and a long lifespan.

Compact Design

If you’re climbing into roof cavities or squeezing behind heaters, a portable and lightweight analyser is a must.

Real-Time Graphing

Some Fieldpiece analysers provide visual graphs to help diagnose combustion trends over time. Great for detailed reporting or troubleshooting recurring issues.

Durable for Aussie Conditions

Dust, rain, and rough handling come with the territory. Go for rugged, water-resistant designs suitable for the back of a ute.

Fieldpiece CAT45 vs CAT85 Comparison Table for Aussie Gas Heaters

For Australian tradies and HVAC pros, the Fieldpiece CAT85 is the top choice when water management, live manometer readings, and premium sensor protection are essential. The CAT45 remains a reliable, budget-friendly option for residential-only combustion testing.

Best Fieldpiece Combustion Analysers for Australian Heating

When it comes to heating work in Australia, these Fieldpiece analysers stand out:

1. Fieldpiece CAT85 Combustion Analyser with Built-in Manometer

The CAT85 is a fan favourite. It’s built for techs who need everything in one handheld unit. It features:

• Direct CO, CO2, and O2 readings

• Built-in manometer for measuring pressure

• Job Link app connectivity

• Water trap and filter built in

Perfect for servicing split systems and ducted gas heaters.

Explore the Fieldpiece CAT85

2. Fieldpiece CAT45 Combustion Analyser with O2 Sensor

Slightly more affordable than the CAT85, the CAT45 still packs a punch:

• O2 and CO sensors

• Wireless app integration

• Field-replaceable sensors

• Durable body for field use

Great for up-and-coming HVAC techs.

Check out the Fieldpiece CAT45

Real Aussie Stories from the Field

1. Saved in Tassie

Sam, a heating technician in Launceston, visited a home where the family felt sick whenever the heater ran. Using the CAT85, he found dangerously high CO levels. The cracked heat exchanger was replaced, and the family stayed safe.

2. Melbourne Rental Win

Jake, a property manager in Preston, used the CAT45 to test a tenant’s old gas wall unit after complaints of eye irritation. The analyser confirmed poor combustion, and the landlord upgraded the unit. The tenant renewed their lease, and Jake avoided a major liability.

3. Tradie’s Time Saver in Geelong

Ella, an HVAC tech, used her CAT85 with Job Link to record a full system test in under 10 minutes for a ducted unit in Geelong. She emailed the report on-site—no more paperwork at home. Her Google reviews went through the roof.

Tips for Aussie Tradies Using Combustion Analysers

• Do it yearly: Test heaters at least once a year, especially in rentals and older homes.

• Carry spares: Keep spare sensors and filters in your van.

• Educate clients: Show them the CO levels—most don’t realise the risk.

• Use Job Link to build trust: Transparency builds customer loyalty.

Safety & Energy Efficiency: The Double Win

Efficient combustion saves you money, and safe combustion saves lives. A properly analysed gas system burns cleanly, reduces fuel bills, and protects from CO leaks. Techs using Fieldpiece tools are on the frontline of this.

A faulty heater running all winter can burn through hundreds of extra dollars and pump pollutants into your home. But when you use Fieldpiece analysers, you don’t just fix problems—you prevent them.

Frequently Asked Questions (FAQ)

Q1: What is a combustion analyser used for?
A combustion analyser measures the gases produced by gas heaters and other fuel-burning appliances to ensure they are operating safely and efficiently. It detects levels of carbon monoxide (CO), carbon dioxide (CO2), oxygen (O2), and helps fine-tune performance.

Q2: Are Fieldpiece combustion analysers compatible with Australian heating systems?
Yes, Fieldpiece analysers are designed to work with Australian natural gas and LPG systems, and they meet relevant standards for HVAC use across Australia.

Q3: How often should I check my gas heater with a combustion analyser?
It’s recommended to test your heater at least once a year—especially before winter. Rental properties and older units may require more frequent checks.

Q4: Can I use a Fieldpiece analyser myself as a homeowner?
These tools are best used by trained professionals. However, understanding the results as a homeowner can help you have informed conversations with your technician.

Q5: What’s the difference between the CAT45 and CAT85 models?
The CAT85 includes a built-in manometer, offers more sensors, and provides more detailed analysis through the Job Link system. The CAT45 is a more affordable option with essential features.

Q6: What should I do if my combustion analyser detects high carbon monoxide levels?
Turn off your gas appliance immediately, ventilate the area, and contact a licensed gas technician to inspect and repair the system. High CO levels are extremely dangerous.

Q7: Does HVAC Trade Supply ship Fieldpiece analysers Australia-wide?
Absolutely. HVAC Trade Supply offers fast, reliable shipping across all states and territories in Australia.

Get Winter-Ready with Fieldpiece from HVAC Trade Supply

Whether you’re a professional HVAC technician or a safety-conscious homeowner, Fieldpiece combustion analysers are the gold standard for Aussie heating systems.

✅ Built for Australian gas systems
✅ Trusted by tradies from Tassie to Toowoomba
✅ Proven in real jobs to save lives and energy

Want to explore more? Shop our full Fieldpiece range and get prepped before the cold creeps in.

Internal Links:

• Fieldpiece CAT85 Combustion Analyzer

• Fieldpiece CAT45 Combustion Analyzer

• All Fieldpiece Products

Efficient combustion saves you money, and safe combustion saves lives