Furnace and AC Replacement: Costs, Combos, and What Homeowners Should Know

Key Takeaways

• Replacing your furnace and AC unit together saves money and ensures both systems are properly matched.
• A furnace and AC combo delivers reliable year-round comfort with balanced heating and cooling.
• Furnace and AC replacement cost depends on size, efficiency, and labor, but financing makes it more manageable.
• Regular maintenance with a plan like MintCare, helps protect your investment and extend systems life.
• Full system replacements usually make more sense than replacing one unit at a time.

Why Replace Furnace and AC Together

Your home’s heating and cooling systems work as partners. The furnace provides heating in winter and also circulates air through your home, while the air conditioner takes care of cooling in the warmer months. When one begins to fail, the other is often not far behind in age and performance.

That is why many homeowners choose to replace both the furnace and AC unit at the same time. Doing so ensures the two systems are designed to work together, which boosts efficiency, lowers energy costs, and prevents the frustration of staggered breakdowns. A full system replacement also saves money in the long run, since combining installation reduces labor and equipment handling costs.

What is a Furnace and AC Combo

When people refer to a furnace and AC combo, they are describing a complete heating and cooling system that works as a matched pair. The furnace sits inside the home, providing heat during the cold months and moving air year-round. The AC unit sits outside and is responsible for cooling in summer.

Together, this combo provides dependable comfort across the seasons. Modern systems are built for efficiency and improved comfort. They also provide better airflow, quieter operation, and often integrate with smart thermostats so homeowners can control settings more precisely. By installing a combo system, you are not just replacing old equipment but creating a comfort solution designed to run at peak performance for years to come.

Furnace and AC Replacement Cost

One of the most common questions homeowners ask is about furnace and AC replacement cost. The answer depends on several factors. The size of your home is one of the biggest cost drivers because larger spaces need higher-capacity systems. Efficiency ratings also play a role. A high efficiency furnace or AC may cost more upfront, but it will usually pay off through lower monthly bills. Finally, installation needs can influence the price. If ductwork has to be repaired, venting updated, or electrical components upgraded, costs will rise.

In most cases, the cost to replace AC unit and furnace together falls between $7,500 and $15,000 or more. This wide range reflects variations in system size, efficiency ratings, and installation requirements. For many homeowners, financing options make this investment easier to manage. Mint Home offers Financing Options that provide transparent terms and flexible payment plans, so comfort does not have to wait.

Why Replacing Separately Often Costs More Some homeowners consider replacing only the furnace or the AC when one unit fails. At first, this seems like the cheaper option. However, it can create long-term issues. A brand new AC tied to an aging furnace may not run at its rated efficiency, and the same is true in reverse. The mismatch forces one part of the system to work harder, which can shorten its lifespan. You also end up paying for installation labor twice rather than once.

In the end, replacing both systems together ensures they are properly matched, running at full efficiency, and installed at the same time. This approach eliminates the extra costs and inefficiencies that come with piecemeal replacements.

New Furnace and AC Cost: The Value Beyond Price While the price of a new furnace and AC system may feel like a big commitment, the value you receive extends well beyond the upfront cost. High efficiency systems can reduce heating and cooling costs by up to 20 percent, according to ENERGY STAR. That means the investment begins paying back the moment you start using it.

Comfort is another major factor. Newer systems maintain steadier temperatures, manage humidity more effectively, and operate more quietly than older equipment. Many are also designed to integrate with smart-home technology, giving you more control over your comfort and energy use. These features add up to a better quality of life inside your home while also providing long-term savings.

Furnace and AC Maintenance Matters

Installing a new system is only the first step. Protecting that investment with regular care is what keeps it running at peak efficiency. Mint Home offers MintCare, a proactive maintenance plan that includes scheduled tune-ups, priority service, and detailed service records. These benefits not only extend the lifespan of your furnace and AC combo but also help preserve manufacturer warranties.

Without routine maintenance, even the best equipment can lose efficiency and develop problems over time. MintCare removes that worry, giving you peace of mind that your system is being monitored and maintained by experts. Learn more about the MintCare Maintenance Plan and how it can help maximize your comfort.

Simple Maintenance Habits for Homeowners: Between professional visits, there are a few easy steps you can take to keep your furnace and AC unit running smoothly:

• Replace air filters regularly every one to three months to maintain strong airflow.
• Keep the outdoor AC unit clear of leaves, grass clippings, and debris so it can breathe.
• Check vents inside your home to be sure they are not blocked by furniture or curtains.
• Monitor your energy bills for sudden spikes that may signal an efficiency problem.

For more detailed guidance, the U.S. Department of Energy’s Energy Saver resource offers practical tips on operating and maintaining central systems.

The Mint Home Advantage

When the time comes for a furnace and AC replacement, Mint Home provides a clear and stress-free process. You can get an instant quote without waiting for a salesperson, and schedule a next-day installation so you do not have to go without comfort. Mint Home’s technicians bring decades of combined experience, and we back every job with transparent pricing and flexible financing options.

The furnace and AC replacement process does not need to feel overwhelming. Mint Home simplifies every step so you know exactly what to expect, from the first quote to the final walkthrough. If you are ready for a new system, start your research by getting a free instant quote now.

So, do I replace my furnace and AC together?

Replacing your furnace and AC unit together is the best choice for efficiency, reliability, and long-term savings. While the furnace and AC replacement cost may seem significant upfront, the comfort and energy savings quickly add value. With Mint Home, you get transparent pricing, easy financing options, and proactive maintenance through MintCare. The result is a stress-free experience and a comfort system prepared to last.

Ready to explore your options? Get your instant quote today and see why more homeowners choose Mint Home for their furnace and AC combo replacements.