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Average Cost To Replace Heating And Air Conditioning

Maintaining comfort within our homes depends entirely on the effectiveness of heating and air conditioning systems. Just like any other appliances, these heating & air conditioning units also possess a limited lifespan, eventually requiring replacement. If you’re a Melbourne, Australia homeowner curious about the average cost of heating and air conditioning system replacement, you’ve come to the right place as here at DGB Refrigeration Heating & Cooling, our technicians have got years of experience working with different types of HVAC systems and they can provide you with the best possible quotes for replacing old HVAC units.

HVAC Replacement: What you need to know

Heating, ventilation, and air conditioning (HVAC) systems are pivotal in maintaining a comfortable indoor temperature throughout the year. Consisting of elements such as furnaces, heat pumps, air conditioners, and ductwork, these systems can deteriorate over time, leading to increased energy costs and reduced efficiency & comfort.

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The replacement cost of these heating and air conditioning systems is shaped by various factors, including:

1) The System Type

Your choice of heating and air conditioning system greatly impacts the total expenditure. Market options encompass:

Central Air Conditioning: This system employs ducts for even air distribution.

Ductless Mini-Split: Suitable for homes lacking ducts, these systems operate without ductwork.

Heat Pumps: They manage both heating and cooling by transferring heat indoors and outdoors.

Furnaces: Fuel or electricity power these systems for home heating.

The system cost hinges on size, efficiency rating, and brand.

2) The Size of Your Home

The size of your home is another important factor that determines the average cost of replacement for your heating & air conditioning system. It identifies the capacity of the necessary HVAC system and the ducting required. Larger homes will require more powerful systems, consequently elevating the cost. Conversely, smaller homes require more compact systems, leading to reduced expenses.

3) Existing Ductwork

If your home features pre-existing ductwork, installation expenses might be reduced. However, aged or compromised ducts may require replacement or repair, subsequently increasing the overall expenditure.

4) Energy Efficiency

Prioritizing energy-efficient HVAC systems can yield long-term energy savings. Though the upfront cost for installation might be higher, these systems can deliver substantial advantages over time in the form of reduced energy costs. You should look for systems with elevated Seasonal Energy Efficiency Ratio (SEER) and Heating Seasonal Performance Factor (HSPF) ratings.

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Average Expense for Replacing Heating and Air Conditioning

Now that we have discussed the factors influencing the replacement costs for heating and air conditioning units, let’s delve into the average cost of replacement.

There are so many different types of HVAC units available in the market. Some of these HVAC units are:

    Split System Air Conditioners
    Multi-Head Split Systems
    Reverse Cycle Air Conditioners
    Ducted Refrigerated Air Conditioning
    Evaporative Coolers
    Ducted Gas Heating

Typically, an HVAC unit’s installation may start from $1,000 and it will increase depending on the factors such as such as:

    The type of system
    Residence dimensions
    Installation complexity
    System energy efficiency rating
    Existing ductwork condition

It is crucial to note that this is an average approximation; your personal cost could vary based on your requirements and the type of unit you would like to proceed with. If you would like to get a fixed quote, you should reach out to DGB Refrigeration Heating & Cooling by dialling 03 7038 6918. With our years of experience, we will analyze your requirements and provide you with an unbeatable quote for the replacement of your existing heating & air conditioning unit with a brand-new unit.

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Advantages of HVAC Replacement

While the cost of HVAC replacement might appear to be a lot, there are several benefits that are sure to help you consider getting your old unit replaced:

1) Enhanced Energy Efficiency

Modern HVAC systems prioritize energy efficiency, resulting in substantial energy savings. Advanced technology and higher SEER and HSPF ratings ensure comparable comfort with reduced energy consumption.

2) Enhanced Comfort

Old heating and air conditioning systems might struggle to maintain consistent temperatures. By upgrading your outdated system, uniform comfort can be enjoyed across all rooms.

3) Reduced Repair Expenses

Frequent breakdowns and repair requirements can make replacing your existing HVAC system more cost-effective. Newer systems offer warranties that cover repair expenses for several years, bringing you peace of mind.

4) Elevated Indoor Air Quality

Modern-day HVAC systems come with advanced filtration, ensuring improved indoor air quality. These filters effectively eliminate dust, allergens, and pollutants, improving the air quality and making your home healthier.

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Connect with DGB Refrigeration Heating & Cooling for HVAC Replacement

If you are looking to get your HVAC unit replaced, DGB Refrigeration Heating & Cooling is the ideal choice for you as our team of professionals have got years of experience working with all the different types of heating & cooling units. All our technicians are licensed and use state-of-the-art equipment and follow all the standards of the industry. By putting your trust in DGB Refrigeration Heating & Cooling, your new system’s proper installation and enduring performance can be assured.


For Melbourne residents requiring an HVAC replacement, DGB Refrigeration Heating & Cooling is your optimal choice. Armed with extensive industry experience, we’re dedicated to offering superior HVAC services. Our experienced technicians can help you in selecting an appropriate system for your residence and ensure expert installation. Recognizing the substantial nature of HVAC replacement investments, we provide competitive pricing that aligns with your budget.

To discover more about our HVAC replacement services or schedule an appointment, contact us at 03 7038 6918. Our affable staff stands ready to cater to all your heating and air conditioning requirements.


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