Do I Must Exchange My AC and Furnace on the Identical Time? Professionals & Cons

Do I Must Exchange My AC and Furnace on the Identical Time? Professionals & Cons


Whether or not it got here as a shock otherwise you’ve been planning for some time, ultimately you’ll have to switch your HVAC tools. It’s basically the circle of life for air conditioners and furnaces.

However dangle on — did your HVAC contractor simply say it’s best to exchange each your air conditioner and furnace?

Typically that is the case. However whereas there are conditions the place that you must exchange each your air conditioner and furnace, there are additionally conditions the place changing each doesn’t make sense. I’m right here to stroll you thru each.

I’ve labored within the HVAC trade for over 30 years. All through my profession, I’ve seen air conditioners and furnaces from each doable angle. I’ve put in and serviced them as a technician. Now, I assist educate owners to allow them to make well-informed choices for themselves and their properties. I additionally assist our prospects discover one of the best air conditioners and furnaces for his or her properties.

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At Fireplace & Ice, we consider that our owners could make one of the best choices after they have entry to one of the best info.

On this article, we’ll focus on situations when it’s best to exchange each techniques and when it could not make sense to switch each. We’ll additionally weigh the professionals and cons of every choice.

By the tip of the article, you’ll have the knowledge that you must determine which is greatest for you and your house.

When You Ought to Exchange Each Your Air Conditioner and Furnace

It’s not at all times the proper time to switch each your air conditioner and furnace. However in some conditions, changing each means that you could get extra out of your HVAC system.

Changing each your furnace and your air conditioner may also be cheaper.

By itself, a substitute air conditioner can value between $4,350 – $12,095. A lone substitute furnace can value between $3,000 – $7,600. (Each of those ranges embody the price of the tools, labor and different charges.)

However it can save you on labor bills and charges if you exchange each techniques. Some HVAC contractors additionally supply incentives in case you exchange each your air conditioner and furnace.

The next are situations the place chances are you’ll want to switch each your air conditioner and your furnace on the identical time:

  • When your present HVAC tools isn’t the proper dimension
  • Once you improve your air conditioner
  • Once you wish to enhance your consolation
  • Once you wish to sync each warranties

A furnace and an air conditioner.

When Your Present HVAC Gear Isn’t the Proper Dimension

After we speak in regards to the “dimension” of your HVAC tools, we’re speaking about its energy.

However that is one occasion the place a very highly effective system is a foul factor. With a view to correctly warmth and funky your house, your furnace and air conditioner have to be the proper dimension on your residence.

Positive, your furnace or air conditioner can warmth or cool your house even when it’s the fallacious dimension. But when your system is just too huge or too small on your residence, it’ll expertise elevated put on and tear that may take a toll on its life expectancy and efficiency. Improper sizing can shorten a system’s lifespan by as a lot as 5-10 years.

Changing improperly-sized tools also can handle excessive utility payments, temperature spikes, and cold and hot spots. Nevertheless, different elements also can account for these points.

To correctly dimension your tools, your HVAC accomplice should carry out a load calculation. A load calculation also can assist decide whether or not your present tools is the proper dimension.

For extra info on load calculations, try the video under. Whereas it focuses on air conditioners, we additionally use this sort of load calculation to find out the proper dimension on your furnace. That is the method that your HVAC accomplice ought to use to examine that your present system is the proper dimension on your residence and your wants.

When You Improve Your Air Conditioner

Three air conditioner upgrades might require you to switch each your AC and furnace:

  1. A speaking air conditioner
  2. A variable-capacity air conditioner
  3. A two-stage air conditioner

A speaking air conditioner makes use of subtle studying expertise to hyper-customize your cooling resolution to your wants and life-style.

Whereas a non-communicating thermostat indicators your furnace or air conditioner to activate, communication goes each methods in a speaking system. Speaking techniques just like the Trane XV20i “speak” together with your thermostat. This permits your thermostat to carefully monitor and modify your system’s efficiency.

To actually profit from a speaking air conditioner, it’s best to typically have a completely speaking HVAC system. This features a speaking thermostat and a speaking furnace just like the Trane XC95M.)

An air conditioner.

However whether or not your air conditioner is speaking or not, it depends in your furnace to maintain you cool within the summertime. Even when it’s so sizzling out that your furnace is the very last thing in your thoughts, one a part of your furnace retains working.

That half, the blower motor, is liable for circulating air all through your house.

However what does this imply for changing your air conditioner and furnace? There are various kinds of blower motors. Once you improve your air conditioner, your blower motor should be capable to assist your new air conditioner’s cooling output, additionally referred to as staging. In any other case, your upgraded air conditioner might not work to its full extent.

There are a couple of choices for air conditioner staging. However compatibility usually solely turns into a priority in case you improve to a variable-capacity air conditioner or two-stage air conditioner. (Typically, compatibility isn’t a difficulty with single-stage air conditioners.)

A variable-capacity air conditioner can have as much as 700 modify its output to raised preserve the temperature in your house. This will minimize down on vitality prices, temperature spikes, and cold and hot spots. 

However in case you don’t have a variable-speed blower motor, a variable-capacity air conditioner received’t be capable to attain its full potential as a consequence of incompatibility.

However there’s another excuse why your upgraded air conditioner might not work together with your present furnace: the manufacturer-specific expertise.

In different phrases, if you are going to buy something greater than an entry-level air conditioner, you typically have to buy a appropriate furnace from the identical model.

Regardless that air conditioners and furnaces work equally no matter their model, producers do construct HVAC tools with their very own patented parts. In lots of instances, you’ll probably have to buy each techniques from the identical model.

However how have you learnt two techniques are appropriate? Air Conditioning, Heating & Refrigeration Institute (AHRI)’s certification listing may also help owners determine appropriate, or “matching,” techniques.

You may search particular fashions and types by AHRI’s listing to find out which HVAC techniques match.

Matching techniques additionally be sure that each techniques are coated underneath guarantee. Should you don’t have appropriate techniques, your guarantee will not be legitimate.

When You Wish to Enhance Your Consolation

Whether or not you’re due for a brand new air conditioner or a brand new furnace, changing each may make sense if you wish to enhance your consolation year-round.

Elements like multi-stage tools and variable-speed blower motors may also help enhance your consolation. These parts also can handle drawback areas that your present system struggles to beat. This might end in fewer temperature spikes and fewer cold and hot spots all through your house.

Your HVAC accomplice ought to give you the chance that can assist you decide how greatest to deal with these drawback areas.

At Fireplace & Ice, we name these drawback areas “consolation considerations.” Take a look at this text to learn the way we use consolation considerations to customise our prospects’ HVAC techniques.

Singe-Stage | Two-Stage | Variable-Capacity

When You Wish to Sync Each Warranties

Syncing the warranties for each your air conditioner and furnace has a couple of advantages, akin to:

  • Much less guesswork: Syncing your warranties takes away among the guesswork. In some instances, chances are you’ll not know or bear in mind whether or not your present system is underneath guarantee. Once you exchange each your furnace and air conditioner, you recognize each techniques are warrantied for a similar period of time.
  • Peace of thoughts: If both system wants repairs, neither the producer nor a contractor can blame the problem on an un-warrantied system. Producer warranties usually don’t cowl labor prices. But when each techniques are underneath guarantee, this could prevent cash on the restore.

When You Don’t Need to Exchange Each Your Air Conditioner and Furnace

Though there are advantages to changing each techniques, this may occasionally not at all times be the case.

In some instances, ready to switch your system can imply that you simply’re profiting from your funding. In spite of everything, as we speak’s furnaces and air conditioners usually final 15-20 years — or longer. And in case you don’t really want to switch a part of your HVAC system, you’ll be capable to put your hard-earned cash towards extra urgent points.

Nevertheless, even in case you wait to switch a part of your HVAC system, you will have to switch it will definitely. And chances are you’ll not at all times be capable to select when sooner or later, particularly if it breaks down or wants a pricey restore.

The next are situations the place chances are you’ll not want to switch your air conditioner and furnace concurrently:

  • Once you exchange your furnace
  • When your present furnace is appropriate together with your substitute air conditioner
  • When your different system is newer or meets your wants
  • Once you don’t wish to exchange each techniques

A furnace.

When You Exchange Your Furnace

As I discussed earlier, your air conditioner wants your furnace, however your furnace doesn’t want your air conditioner. In different phrases, if you exchange your furnace, you don’t essentially want to switch your air conditioner too.

Actually, a brand new furnace might even be capable to enhance your present air conditioner’s efficiency.

In case your new furnace has a variable-speed blower motor, it’ll enhance air circulation all through your house year-round. This helps distribute conditioned air all through your house, which can lead to extra constant temperatures all through your house (even on muggy higher flooring).

For extra on this, try this text on how various kinds of furnaces can have an effect on your house.

Nevertheless, Should you don’t exchange your air conditioner and furnace on the identical time, it’s best to at all times look ahead.

As we mentioned earlier, your furnace and air conditioner should be appropriate. Should you solely plan to switch your furnace, it’s best to consider your objectives on your residence. That is particularly necessary in case you plan to remain in your house long-term — or at the least for the remainder of your present air conditioner’s lifespan.

Should you plan to improve your air conditioner within the subsequent decade or so, chances are you’ll wish to think about a appropriate furnace now. (We focus on the significance of compatibility earlier on this article.)

Whilst you can at all times exchange your furnace later, it can save you cash general in case you plan for the long run now.

When Your Present Furnace is Appropriate with Your Alternative AC

In case your present furnace and your new air conditioner are appropriate, you don’t essentially want to switch each techniques.

That is normally the case if you exchange your air conditioner with an analogous mannequin.

A brand new furnace may enhance your system’s effectivity. However chances are you’ll not want to switch your furnace in case you don’t have excessive vitality prices.

Whereas you will have to switch your furnace ultimately, you’ve got extra flexibility on this case. Your furnace units the tempo on your air conditioner. Even in case you plan to improve your furnace within the subsequent decade or so, you probably received’t want to switch your air conditioner (until you improve to a speaking system, as we mentioned earlier).

It’s nonetheless a good suggestion to plan for the long run, although. Should you do plan on upgrading your furnace ultimately, speak to your HVAC accomplice about a few of these choices now. This may also help you determine which air conditioner will serve you greatest long-term.

When Your Different System Is Newer or Working High-quality

Should you’re solely changing one system and your different system is newer or meets your wants, you don’t essentially want to switch each techniques.

As a suggestion, we normally don’t advocate changing techniques which can be lower than 10 years outdated (so long as they’ll meet our prospects’ wants).

Crucial issue right here is whether or not or not your system can proceed assembly your wants. Newer tools may also help handle drawback areas, together with points with temperature, air high quality and vitality prices. However in case you don’t have any drawback areas, then your present system is probably going able to assembly your wants.

Should you do have drawback areas that you simply’d like to deal with, carry these considerations to your HVAC accomplice. One of the best time to deal with points that you’ve together with your present system’s efficiency is if you’re changing present HVAC tools.  

A technician speaking with a customer.

When You Don’t Wish to Exchange Each Techniques

In the end, whether or not you exchange each your air conditioner and furnace or just one system is your resolution.

Changing each your air conditioner and your furnace on the identical time has its advantages. However when you recognize these advantages, as you do now, you can also make one of the best resolution for you and your house.

If changing each techniques doesn’t align together with your objectives or wants, then chances are you’ll not essentially want to switch each your air conditioner and your furnace.

Making the Proper Choice for You

Even in case you don’t have expertise with HVAC tools, you recognize your house greatest. Your HVAC accomplice may also help educate and advise you, however you should stay together with your HVAC system.

Some HVAC contractors throughout the nation revenue off of their prospects’ inexperience. The easiest way to keep away from that’s to do what you’re doing proper now: educating your self.

Buy Your Filter

At Fireplace & Ice, we consider in educating our prospects and pretty presenting all of the choices — whether or not we profit from them or not.

Should you’d like to switch your furnace, air conditioner or each, we’d love to assist!

We provide free in-home estimates to make sure we all know the way to meet your wants. Should you’re nonetheless unsure about whether or not or not it’s best to exchange each techniques, an in-home estimate is a good time to have that dialog.

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