What Is the Average Cost to Replace a Home Furnace?
- Van Bremen's Heat & Air
- 8 hours ago
- 3 min read
When your old furnace starts struggling to keep your home warm or requires frequent repairs, it may be time to replace it. But one of the first questions homeowners ask is, “What is the average cost to replace a home furnace?”
The answer depends on several factors, including furnace type, efficiency rating, and installation requirements. Understanding what goes into the cost can help you plan ahead and make a smart investment in your home’s comfort.

Average Furnace Replacement Costs
On average, most homeowners can expect to pay between $4,000 and $7,500 for a complete furnace replacement, including equipment and professional installation. However, the total cost can vary depending on system type, home size, and efficiency level.
Here’s a general breakdown by furnace type:
Gas furnace: $4,000–$6,500
Electric furnace: $3,500–$5,500
Oil furnace: $5,000–$8,000
High-efficiency gas furnace: $6,000–$9,000
These estimates include both the new unit and labor costs for installation.
Factors That Affect Furnace Replacement Cost
1. Furnace Type
Gas furnaces are the most common choice for homes in Pennsylvania and West Virginia. They provide reliable, powerful heating but usually cost more than electric models. Electric furnaces are cheaper upfront but may have higher long-term operating costs due to electricity prices.
2. Efficiency Rating (AFUE)
Furnace efficiency is measured by AFUE (Annual Fuel Utilization Efficiency), which shows how much of the fuel is converted into heat.
80% AFUE (standard efficiency): More affordable but uses more energy.
90–98% AFUE (high efficiency): Higher upfront cost but lower energy bills.
While high-efficiency furnaces are more expensive, they can save you hundreds of dollars each year in energy costs, making them a smart long-term investment.
3. Home Size and Heating Needs
The larger your home, the more powerful the furnace you’ll need. A properly sized furnace ensures even heating and prevents unnecessary energy waste. HVAC technicians calculate furnace size using a Manual J Load Calculation, which factors in square footage, insulation, and climate.
4. Installation Complexity
If your furnace replacement requires ductwork modifications, vent adjustments, or electrical upgrades, installation costs may increase. Homes with older systems or non-standard layouts typically require more labor and materials.
5. Brand and Features
Premium brands and models with features like variable-speed blowers, smart thermostats, and multi-stage heating cost more but provide better comfort and efficiency.
6. Labor and Local Costs
Installation costs can vary depending on your location and the expertise of the HVAC contractor. Always work with a certified, reputable company to ensure proper installation and warranty protection.
Signs It’s Time to Replace Your Furnace
Even before a total breakdown, there are signs that your furnace is nearing the end of its life:
Frequent repairs or breakdowns
Uneven heating throughout the home
Unusual noises or odors
Rising energy bills
Furnace age exceeding 15 years
If you notice these issues, replacement may be more cost-effective than continuing repairs.
Why Professional Installation Matters
A furnace is only as good as its installation. Poorly installed systems can waste energy, reduce comfort, and shorten equipment life. Professional installation ensures your new furnace is properly sized, safely connected, and operating at peak efficiency.
At Van Bremen’s Heat & Air, our skilled technicians provide honest assessments and high-quality installation. We’ll help you select a system that fits your budget, home size, and comfort preferences.
Call Today for a Furnace Replacement Estimate
If you’re considering replacing your furnace, let the experts at Van Bremen’s Heat & Air guide you through every step of the process. Call (814) 483-1735 today or fill out our online form to schedule a consultation. We’ll provide a transparent estimate, expert recommendations, and professional installation to keep your home warm and efficient for years to come.
