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5 Benefits of Replacing Your Furnace and Cooling System Simultaneously


If you're looking into replacing either your furnace or air conditioner, you may want to consider having both units replaced at the same time. Although the upfront cost will be higher, having brand-new, matching HVAC equipment can offer several benefits. Read on to find out the advantages of replacing them together.

#1: Increased Efficiency and Performance

Heating and cooling technology are constantly advancing, and the newest furnace and air conditioner models are much more energy efficient than the models of the past. By replacing both at the same time, you ensure that your HVAC system runs at optimal performance.

The benefits of having a new furnace and air conditioner are twofold. You'll see improved performance, which will keep your house more comfortable in both the heating and cooling months. In addition, the increased energy efficiency will lead to lower energy bills.

The savings might not seem like much on a month-to-month basis, but over the course of a year or two, they can start to add up. In fact, these reduced energy and repair costs might even pay for your new furnace and air conditioner over a period of time.

#2: Optimized Compatability

Like many people, you might believe that your central air conditioner is entirely contained within the unit outside your home. However, for most homeowners, this is only one part of the system.

Most homes with central air have a split air conditioning system. The outside unit encloses the compressor, condenser coils, and exhaust fan, and the evaporator coil and blower are inside the house near your furnace. All of these components are crucial to the operation of your air conditioner, and if you only replace the outdoor enclosure, you're only replacing part of it.

In addition, your furnace and air conditioner share the same air handler/blower to circulate air throughout your home. Since new blower models have more energy-efficient features - like variable speed motors - it's a good idea to have this replaced along with your other components. Remember, by replacing only one part of your HVAC system, you're likely missing out on some of the increased efficiency offered by your new equipment.

#3: Better Warranty Protection

Using mismatched HVAC equipment - for example, an older blower and evaporator coil with a new compressor - can void your warranty in some circumstances.

Since manufacturers know that mixing old and new equipment can cause your new unit to run less than optimally, they may not be required to honor their warranty if you do this. To ensure that you receive all of the benefits of the manufacturer warranty, replace all of your HVAC components at the same time.

#4: Reduced Installation Costs

Another benefit of replacing your furnace and air conditioner at the same time is that the installation is usually less expensive than having them replaced separately. 

Since these components are interconnected, the installer will have to disassemble much of the system in order to replace anything; doing this once, instead of twice, will reduce labor and therefore installation costs.

#5: Increased Lifespan and Fewer Repairs

Simultaneously replacing all of your HVAC components ensures that your system runs as efficiently as it can. The reduced workload on your furnace and air conditioner can increase their longevity, not to mention reducing repair costs in the long term. Down the road, this can save you both money and frustration.

When it comes time to replace your furnace or air conditioner, be sure to ask your HVAC technician if they recommend replacing both simultaneously. Depending on your situation, the benefits may outweigh the increased upfront costs.

For all of your heating and cooling needs, contact McGuffee's Air Conditioning & Heating.