Do You Need To Replace Furnace and AC Together?

The highest degree of luxury s maintaining a perfect temperature throughout your home. But faulty furnaces and A/c can hinder this comfortability rendering your home HVAC system useless.

Replacing your air conditioner and furnace together can be tedious but is the solution to this dilemma. It could save you money in the long term. If you’re preparing to replace your air conditioner, you should think about replacing your furnace as well and plan appropriately, as there are several good reasons to do so.

Just because of the cost, most people are afraid to replace their air conditioner and furnace at the same time. Do you fall in the categories? Thinking perhaps you need a suitable temperature air in your home, because of consistent failure but before any other decision. Try replacing A/C and furnace simultaneously is a project of decision and only if a professional assessment indicates replacing both systems. When repairing at the same time, be assured:

The cost of installation will reduce

When you focus on a central heating replacement now and wait a few years to replace your air conditioner, you’ll be paying for two separate installation expenses than a reduced cost if both are replaced at the same time.

Efficiency in the system

The internal team can cause a lag since the outdoor and indoor units are incompatible and work differently. It would be unable to keep up with the newer model. The other components will be required to work harder and consume more energy than is needed.

Do the furnace and AC work together?

Yes! But furnaces are different from the air conditioner when considering have a longer lifespan. Air conditioners can last nothing less than 12 to 20 years, but furnaces can last from 15 to 20 years, and often even longer!
Despite this seeming difference in lifespan, we could build an accurate matching system which is another word for replacing your entire system while replacing your furnace simultaneously as the air conditioning unit.

Can you replace your furnace without replacing AC?

Your HVAC system is as intricate as any other mechanical system on the planet. It has various pieces, components, and mechanisms that work together to create a very reliable system. A furnace and an air conditioner are self-contained equipment that works independently, serving the same goal. That is, to keep individuals and businesses safe and comfortable in their homes, offices, and buildings.

What Are the Functions of Each Component?

Knowing the main functions of each component of each system could go a long way in deciding to repair the furnace with an air conditioner.


The furnace provides your home’s heat. It directly communicates with the air conditioner, which distributes heated air around your home and cools it down during the summer. It can run on gas, electricity, or other fuel types, but all models use the same distribution system, which relies on airflow fans.

Air Conditioner

These could be Split or packaged air conditioners, which comprise interior and exterior units that make up an air conditioner. The compressor and condenser coil are housed in the outdoor unit, while the indoor unit controls airflow and distributes warm air from the furnace. There is no exterior unit in a packaged air conditioning system, and all components are located in the exact location.

Because of the above relationship, furnace age is the most crucial factor to consider when selecting whether or not to replace it. Because the typical lifespan is frequently two times that of an air conditioner, you may be tempted to put off upgrading your furnace if it isn’t too old. When you decide to replace your air conditioner, the best option is to get a furnace that improves the overall efficiency of your HVAC system.

When mismatched components are put together, the overall HVAC system will suffer. And there’s a chance that the following concerns will develop:
⦁ It will reduce the value and functionality of your home.
⦁ The longevity of the system will reduce.
⦁ It significantly impacts the furnace or air conditioner’s efficiency and lifespan when incompatible components are added to an HVAC system,
⦁ It’s a compromise that will cost you money in heating maintenance.
Then, you reward yourself with system performance that is always at its best when you use match equipment.

Should you replace them at the same time?

In most circumstances, replacing the furnace and air conditioner at the same time is a good idea. The best practice is to replace both:
⦁ Do you think you can’t afford it later, especially when planning to retire soon or putting your money into something big? If you are unsure you will be able to install a furnace in the next five years, it’s better to replace both immediately.
⦁ If the temperature in the house is over 10 degrees Celsius and the furnace is over 15, A furnace is typically much more durable than an air conditioner. Meaning that if you initially had the two units installed as the AC is aging, you can likely avoid replacing your furnace for at least five years.
⦁ When you’re working to improve your air conditioning efficiency, your furnace and air conditioning unit is like a twin, where each has its functions, but they share the indoor unit.

Does one of them failing indicate the other will fail?

No ! Because your AC and furnace function their own and in conjunction with one another, the concept of how they work can be somewhat confounding. Your HVAC system has two separate systems: one of them keeps your refrigerant cool and the other heats the air and then blows it through the coils. HVAC ductwork delivers air to the home, either heating or cooling your residence as required.

Not all homes use HVAC systems with the same configuration. Depending on where you live, your house may have air conditioning or heating, but not both. You can say your furnace and air conditioning are separate systems. They both use the same ductwork to transfer cool air into your home.

Now! Do you see replacing your furnace and air conditioning system at the same time is your decision? Speak with one of our HVAC specialists today to determine if this is the best option for you. Contact Coastal Home Services NC for all your heating and repair needs.

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