Cost to Replace a Gas Furnace

Oct 26, 2023

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Dial One Sonshine is your go-to provider for exceptional home services, specializing in plumbing and water heater installation/repair. Our team of highly skilled professionals is committed to delivering top-notch services to homeowners in need. With our expertise and dedication to customer satisfaction, we guarantee premium results every time.


Are you considering replacing your gas furnace, but unsure about the cost involved? Look no further! In this comprehensive guide, we will provide you with all the information you need regarding the cost to replace a gas furnace. Whether you are a homeowner looking for an upgrade or facing issues with your current furnace, we've got you covered.

Factors Influencing the Cost

Before diving into the specific costs, it's essential to understand the various factors that contribute to the overall expense of replacing a gas furnace. By considering these factors, you can make an informed decision and select the best furnace replacement option for your home. Let's explore these important considerations below:

1. Type of Furnace

The type of gas furnace you choose significantly affects the cost. There are different types available, including single-stage, two-stage, and modulating furnaces, each with its own price range. It's vital to consult with a professional HVAC technician to determine which type suits your home's heating needs and budget.

2. Size of Furnace

The size of the furnace is another crucial factor in determining the cost. An incorrectly sized furnace may result in inefficiency and increased energy consumption. A professional assessment of your home's heating requirements will help determine the right furnace size, ensuring optimal performance and efficiency.

3. Energy Efficiency

Energy-efficient gas furnaces tend to have higher upfront costs, but they can lead to significant long-term savings on energy bills. Look for furnaces with an ENERGY STAR® certification for maximum efficiency and reduced environmental impact.

4. Ductwork Changes

If your home's ductwork requires modifications to accommodate the new furnace, it can contribute to additional costs. Properly functioning ducts are essential for efficient heat distribution throughout your home, so it's important to address any issues during the installation process.

5. Location and Accessibility

The location and accessibility of your current furnace and the installation area also affect the overall cost. Factors such as basement or attic installations, ventilation requirements, and the presence of obstacles can impact the complexity and duration of the installation, thus influencing the final cost.

Average Cost to Replace a Gas Furnace

Now that we have delved into the factors influencing the cost, let's discuss the average cost to replace a gas furnace. It's important to note that these figures are approximate and can vary based on the specific factors mentioned earlier.

1. Basic Furnace Replacement

For a basic gas furnace replacement, you can expect an average cost range of $2,500 to $5,500. This typically includes the removal of the existing furnace, installation of a new furnace, and basic modifications to the ductwork, if necessary. The exact cost within this range will depend on the factors discussed above.

2. Mid-Range Furnace Replacement

If you opt for a mid-range gas furnace replacement, the average cost range will be around $5,500 to $8,500. Mid-range replacements often involve the installation of more advanced and energy-efficient furnaces, accommodating larger homes or those with specific heating requirements. This cost range includes all the components of a basic replacement with additional features and modifications.

3. High-End Furnace Replacement

For high-end gas furnace replacements, the average cost range exceeds $8,500. These top-of-the-line furnaces offer the highest energy efficiency, advanced features, and exceptional performance. The cost may also account for any necessary ductwork modifications or upgrades to optimize the system. The final cost within this range highly depends on the specific requirements of your home and desired features.

Additional Costs and Considerations

Apart from the initial replacement cost, there are a few additional costs and considerations to keep in mind. These can include:

1. Permits and Inspections

Local building permits and inspections may be required when replacing a gas furnace. The fees associated with obtaining these permits should be factored into your overall budget.

2. Maintenance and Warranty

Regular maintenance plays a vital role in the longevity and efficiency of your new gas furnace. Consider including maintenance costs and explore warranty options to protect your investment in the long run.

3. Financing Options

If the upfront cost of replacing a gas furnace seems overwhelming, explore financing options provided by reputable HVAC companies. Financing can help distribute the cost over manageable monthly payments, allowing you to enjoy the benefits of a new furnace without straining your budget.

Choosing the Right Provider

The cost to replace a gas furnace is undoubtedly an important consideration, but it's equally crucial to select the right provider for the job. Dial One Sonshine stands out as a trusted company for all your home service needs, including plumbing, water heater installation/repair, and furnace replacement.

With vast industry experience and a commitment to excellence, our team of skilled technicians ensures flawless installations and superior customer satisfaction. We offer competitive pricing, personalized solutions, and exceptional service from start to finish.

Don't settle for subpar providers when it comes to your home's heating system. Choose Dial One Sonshine and experience the difference that true professionals can make.


Replacing a gas furnace involves several factors that influence the overall cost. By considering the type of furnace, size, energy efficiency, ductwork changes, and location accessibility, you can determine the right furnace replacement for your home. The cost ranges from $2,500 to over $8,500, depending on the chosen furnace and its features.

When it comes to reliable furnace replacement services, Dial One Sonshine is your trusted partner. With a commitment to excellence and unrivaled expertise, we ensure a seamless process from start to finish, keeping your home comfortable and energy-efficient.

Don't hesitate to contact Dial One Sonshine for all your home services, including plumbing, water heater installation/repair, and gas furnace replacement. Let our team of professionals help you make the best decisions for your home, ensuring your comfort and peace of mind for years to come.

Geoffrey Tintinger
Great article! Very informative and helpful. 👍🏼
Nov 7, 2023
Hunter Sonn
Thanks for the helpful info! 👍🏼
Nov 4, 2023
Stefano Restaino
Great article! 💡 Very informative and helpful in understanding the cost of replacing a gas furnace. Thanks!
Oct 30, 2023