Cost to replace air conditioning unit and furnace is a significant consideration for any homeowner looking to maintain a comfortable living environment. Replacing both systems at the same time not only helps you save money upfront but also reduces the chances of future repairs and unexpected breakdowns.
While the investment for a new furnace and air conditioner can be substantial, it’s typically a one-time purchase that pays off in long-term comfort and efficiency. In this article, we’ll explore the furnace cost and air conditioner cost, the benefits of replacing both units simultaneously, and important factors to consider when making your decision.
Reasons to Replace Your Furnace and Air Conditioner at the Same Time

There are benefits to your home and your wallet to replacement both at once – beyond convenience:
Cost Efficiency: When you combine the installation of your new furnace and air conditioner, you usually pay less in labor and other fees, saving you money on both a new furnace and air conditioner.
Efficiency: Newer heating and air conditioning models are designed to work together, improving the efficiency of the entire HVAC system and reducing your monthly energy bills.
Prevention: If your heating and cooling system is aging, obligated you to replacing both prevents potential failures and costly emergency repairs.
Many homeowners who choose to replace their furnace and air conditioner at the same time enjoy increased comfort and fewer repairs. It’s often a wise investment to replace both units together rather than piecemeal.
Factors Influencing Furnace and AC Unit Cost
Grasping the elements that influence the cost of replacing your furnace and/or air conditioning unit will help you budget accordingly. Some variables to consider include:
Home Size and BTU Requirements: Homes that are bigger require higher BTU capacity furnaces and air conditioning units. Generally, a higher BTU capacity means a higher cost. Before you replace your furnace and air conditioning unit make sure that you choose the correct size for your home to maximize efficiency and comfort.
Type of Unit: The split system is the most common; a separate furnace and air conditioning unit. Packaged units are another option to consider that house both HVAC systems in one unit, suitable for small spaces. Your choice of unit will also influence the cost of a furnace and air conditioning unit replacement and how easily these units fit in your home.
Brand and Energy Efficiency: More recognizable brands may have a higher upfront price, but they will outperform other lesser-known brands in terms of reliability and increased energy cost savings. Models with the ENERGY STAR® label may have a higher price tag, but the decreases in your energy costs will pay you back over time.
Installation Complexities: If there is additional work (involving duct modification or electrical upgrades, etc.), these costs will increase the price associated with a furnace and air conditioning unit replacement.
Regional Differences: Labor and permit costs are different depending on the location of your home and these will increase the cost of your furnace and air conditioning unit.
Average Costs of Replacing a Furnace and Air Conditioner
So, how much can you expect to pay to replace both your furnace and air conditioning unit? The price varies based on the factors mentioned earlier, but here’s a rough estimate:
System Type | Average Cost Range | Description |
---|---|---|
Standard Split System | $5,000 – $12,500 | Includes separate furnace and AC units; popular for most homes. |
High-Efficiency Split | $7,500 – $15,000 | Features variable-speed motors and higher SEER ratings for better efficiency. |
Heat Pump System | $9,000 – $20,000 | Provides both heating and cooling; ideal for moderate climates. |
Geothermal System | $20,000 – $100,000+ | Uses ground-source heat exchange; offers excellent efficiency but high upfront cost. |
Bear in mind that these are general estimates, and the final cost may differ depending on your specific circumstances. Be sure to get multiple quotes to compare pricing.
For more detail read our blog: How much does a HVAC system cost?
How Much Does It Cost to Install Furnace and AC Combo?
A furnace and AC combination system is an excellent way to upgrade your home’s HVAC efficiently and cost-effectively. The furnace air conditioner combo cost typically ranges from $5,000 to $8,000, depending on the size of the system and the complexity of the installation. Opting for a combined system can save you generally 10% to 30% compared to purchasing and installing the furnace and AC units separately.
Key Considerations Before Replacing Your Heating and Cooling Systems
Before you make a decision on replacement, consider these factors:
Age and Condition of Your System: If your furnace or air conditioner is over 10 years of age or has required repairs often, replacement may be cheaper than repairing it repeatedly.
Energy Efficient: Energy efficiency can reduce your monthly energy bills and provide better comfort. Look for units with Energy star certification to excel in both improved comfort and lower energy bills.
Replace or Repair: If repairs are frequent for breakdowns, the cost of maintaining older systems will be higher than replacement.
Compatibility: Make sure the new furnace and air conditioning systems work together and are compatible with your home’s current construction system.
Different options for Heating and Cooling Systems
There are various types of systems available when replacing both your furnace and air conditioner. Here’s an overview of the most common options:
Split System: independent cooling and heating units that work separately, this is the most common option for homes.
Packaged Unit: simply a unit including both heating and cooling; they work great for homes without the space to install two separate units.
Hybrid Systems: these systems have a gas furnace and heat pump to heat and cool. They are often more efficient and use some variable.
Geothermal Systems: these systems are very efficient and environmentally friendly by taking advantage of the natural heat of the earth; the downside is the cost is higher.
How to Save Money on Furnace and AC Replacement
Replacing your furnace and air conditioner is a significant investment, but there are ways to save:
Financing Options: many hvac companies offer low or zero interest financing; there may be rebates or incentives in your local area for buying local energy-efficient upgrades.
Hire an Installer: HVAC systems must follow many codes when installed; do not try it yourself, hire a a professional.
Maintenance Plans: having your heating and cooling system services will help extend lifespan of your heating and cooling system and efficiency which also replaces the cost of maintenance.
What’s Included in Your Furnace and AC Replacement Cost?
It’s important to be clear on what you are paying for when it comes to quotes:
- The price of the furnace and the air conditioning units
- The cost of installation and removal of the old units
- Any extra duct or electrical work if needed.
- Seeing if it includes any permit or disposal fees
- Making sure any tax and charges are included too
Common Mistakes to Avoid When Replacing Your Furnace and AC
When replacing your furnace and air conditioner, here are some common mistakes to avoid:
- Buying a system that is too big, or not big enough, which could decrease comfort or efficiency
- Not paying attention to the energy efficient rating – if possible you should always look for energy star versions.
- Not getting a professional home inspection before deciding on what unit to buy
How Long Does a Furnace and Air Conditioner Last?
Furnaces and air conditioners typically last 10-15 years. After that, they will not run as efficiently and will probably need more repairs. If you are in that time frame, you should take into consideration replacing the furnace or air, especially if you have trouble. Replacing now could give you peace-of-mind and save you money on energy and repairs.
Conclusion: Is Replacing Your Furnace and AC Worth the Investment?
In conclusion, replacing both your furnace and air conditioner at the same time is a smart investment for many homeowners. Not only does it save you money on installation, but it also improves your home’s energy efficiency and comfort. By considering factors like unit size, system type, energy efficiency, and installation complexity, you can make a decision that benefits both your budget and your home’s overall functionality. Always consult with a professional HVAC technician to help guide your decision-making process, ensuring that you choose the best system for your needs.
Get a Free Quote on Furnace & AC Replacement
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FAQs
Can Replacing Both The Ac And Furnace At The Same Time Save Money?
Yes, combining the replacement often reduces labor costs and can save 10-30% compared to replacing each system separately.
Are There Financing Options Available For Replacing Hvac Systems?
Many HVAC companies offer financing plans with low or no interest. Additionally, rebates and incentives may be available for energy-efficient systems.
How Long Does A New Ac And Furnace Typically Last?
Most systems last between 10 to 15 years, depending on usage and maintenance.
Is It Better To Repair An Old Ac Or Furnace Or Replace It?
If your system is older than 10-15 years or requires frequent repairs, replacement is often more cost-effective in the long run.