Can We Reuse Existing Gas Heater Ductwork for a New Ducted Refrigerated System?

Upgrading your home’s climate control is exciting, but it can also be overwhelming. If your Melbourne home already has a gas ducted heater, you may be asking: Can I reuse the existing ductwork for a ducted refrigerated air conditioning system?

The answer depends on the size, condition, layout, and insulation of your ducts. Understanding these factors ensures greater comfort, energy efficiency, and fewer costly surprises.

Why Ductwork Matters

Your ductwork carries warm or cool air throughout your home. While gas ducted heaters are designed to move heated air efficiently, ducted refrigerated air conditioning systems have different requirements:

– Airflow: Air Conditioning systems require higher airflow for even cooling.
– Insulation: Proper insulation prevents energy loss and condensation.
– Sealing: Leaks reduce efficiency and drive up energy bills.

If ducts are reused without checking these factors, it can lead to uneven cooling, wasted energy, and even water damage.

Can We Reuse Gas Heater Ducts?

Yes, gas heater ducts can sometimes be reused, but their suitability depends on size, material, insulation, and compatibility with modern systems.

– Duct Size & Layout: Older gas heater ducts may be too narrow. Proper vent placement is critical for balanced comfort.
– Material & Condition: Metal ducts in good condition can sometimes be reused. Flexible or aging ducts with leaks or rust should be repaired or replaced.
– Insulation & Condensation: Uninsulated ducts can create condensation, leading to water damage and mould.
– System Compatibility: Gas ducts weren’t designed for modern ducted Air Conditioning. While modifications are sometimes possible, new ducts often deliver better long-term performance.

Practical Tips for Reusing Gas Ducts in Melbourne

– Check Duct Size & Insulation: Ensure ducts can handle higher airflow and cooling.
– Evaluate Condition: Inspect for rust, wear, or leaks.
– Confirm Compatibility: Some reverse cycle systems can integrate with existing ducts.
– Upgrade Insulation: Prevents condensation and improves energy savings.
– Clean the Ducts: Professional duct cleaning improves airflow and air quality.
– Check Vent Placement: Proper distribution ensures even cooling across all rooms.
– Always Consult a Professional: Licensed HVAC technicians will give the most accurate advice.

Tip: Book a free duct assessment with Ideal Air today.

Advantages of Reusing Ductwork

– Lower installation costs
– Less disruption to your home
– Avoids extensive wall or ceiling work

Advantages of Installing New Ductwork

– Consistent cooling in every room
– Proper insulation to prevent condensation
– Lower energy bills with better efficiency
– Greater long-term reliability

For many Melbourne homes, new ducts are the best long-term solution. Call Ideal Air on 03 8548 1291 today for professional advice and a tailored assessment.

VEU Rebate Consideration

Upgrading to a ducted refrigerated system in Melbourne? The Victorian Energy Upgrades (VEU) program may provide rebates for switching to an energy-efficient system (after removing your gas ducted heater). This incentive can significantly reduce your upfront costs.

For over a decade, Ideal Air has been a heating and cooling specialist and we’re proud to help Melbourne households and businesses access heating and cooling rebates worth thousands of dollars.

Learn more on the official Victorian Energy Upgrades (VEU) program.

Frequently Asked Questions (FAQ)

1. Can I reuse my existing gas heater ductwork for a ducted AC system?

In some cases, yes—it depends on the duct size, condition, insulation, and layout.

The Braemar Dominator Series® is a high-efficiency all-electric reverse cycle heating and cooling system designed to seamlessly replace existing ducted gas heaters with minimal modifications. Its compact indoor unit fits into the original ceiling space, allowing homeowners to retain existing ductwork and vents, reducing installation costs and disruption while providing an efficient transition to electric heating and cooling.

2. What are the risks of reusing existing ductwork?

Reusing ducts that are too small, damaged, or poorly insulated can lead to uneven cooling, higher energy bills, condensation, water damage, and mould growth.

3. How do I know if my ducts are suitable for NEW Ducted refrigerated split system?

A licensed HVAC professional can assess your duct size, airflow, insulation, and overall condition. Contact Ideal Air today on 03 8548 1291 to book an inspection and ensure your system is ready for optimal performance.

4. Is it better to install new ducts for my NEW Ducted refrigerated heating cooling system?

Yes. New ducts provide balanced airflow, stronger insulation, better efficiency, and improved comfort for the long term.

5. Are there rebates for ducted AC upgrades in Melbourne?

Yes. Programs like the Victorian Energy Upgrades (VEU) scheme offer generous rebates to help households transition to energy-efficient heating and cooling. By replacing old systems with modern reverse cycle or ducted units, Victorian residents can lower energy bills and reduce their carbon footprint. Depending on the system, rebates can range from a few hundred dollars to over $8,000. Eligible brands under the VEU program include Daikin, Mitsubishi Electric, Actron Air, Toshiba, Midea and more.

Book Your Free Consultation

Call Ideal Air today on 03 8548 1291 or submit our online contact form to book your free consultation. Our expert team will let you know if your existing ductwork can be reused and help you take advantage of VEU Government incentives to upgrade from gas heating to a ducted refrigerated heating and cooling system.