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Should You Replace Your Air Conditioner and Furnace at the Same Time?

Should You Replace Your Air Conditioner and Furnace at the Same Time?

Many people ask us if they should replace their air conditioner and furnace at the same time. Yet, they always seem surprised to hear us say, “Not necessarily”. See, replacing your air conditioner and furnace at the same time does have its advantages. That doesn’t mean you have to buy into all that hype that it always has to be done at the same time. So, when is it necessary to replace both?

Okay, so let’s first say that everyone is entitled to their own opinion, and some HVAC technicians may really think it is better to replace both your air conditioner and furnace at the same time. However, as a consumer, you are entitled to know both sides. We believe that in some situations, you need not do it because, first of all, it would just be a waste of money.

To be fair, a lot of HVAC technicians (and most salesmen) are under the misguided impression that if you don’t replace your furnace and air conditioner at the same time, your new system will prematurely fail and lose its efficiency. While this might be true in some instances, it does not apply to all instances. There are many variables that should be taken into account before such a general statement could be made!

When to Replace Your Air Conditioner and Furnace at the Same Time

If They Are Over a Certain Age

The average life expectancy of air conditioners (if properly maintained) is about 10-15 years. It’s nearly twice for furnaces which are good for around 20-30 years. If you do the math, you’d realize that it makes sense to replace your furnace and air conditioner at the same time when your furnace is more than 15 years old.

If You Buy a High-Efficiency Air Conditioner That is Above 16 SEER

You can actually get an old furnace to work really well in tandem with a new air conditioner, but you’re going to need a really skilled technician who knows both systems inside and out. You would have to get matching air conditioner components to get the high-efficiency you want. If the existing furnace does not have a variable-speed motor, and your air conditioner is over 16 SEER, you’re going to sacrifice some of the efficiency in your new AC.

If You are Retiring Soon

A lot of elderly people who are about to retire or have already retired want to make sure that their homes are in tip-top shape before they live on a really fixed income. It’s worth considering replacing both your air conditioner and furnace at the same time so you can live comfortably in your house without having to worry about your system anytime soon.

If any of the above requirements are met, then replace your air conditioner and furnace at the same time. Take your time and find out what you can about it. Of course, you need to find an honest contractor in your area!

See What Our Customers Are Saying:

by Cibele Ceroni on Twintech Heating and Cooling
Great Team!

Great Team! Furnace broke in the weekend, Bob visited same day and Greg installed new one on Monday. Team was professional, respectful and knowledgeable. Installation went very well, Greg found solutions to challenges, like hiding new conduits in the ceiling. Looks nice and new furnace is working great. Five Stars.

by on Twintech Heating and Cooling
Auto Draft

by Jackie Graham on Twintech Heating and Cooling
I used Twintech to install a new furnace for my home.

I used Twintech to install a new furnace for my home. Bob was terrific in explaining the sizing options and why the 2 stage furnace was the best option for me. Greg did a great job installing, clean and on time. Finished work looks great but the best part is how it works. The 2 stage heating is so much more comfortable. I run the fan continuously to keep the indoor air clean. Great investment! Would highly recommendTwintech!

by Anthony Silva on Twintech Heating and Cooling
I’m going to start this by saying I’m a very particular customer.

I’m going to start this by saying I’m a very particular customer. My background is in mathematics and mechanical engineering so I have an eye for detail and a respect for technical knowledge.
Greg had already done an AC inspection and replaced a water heater tank and there was no question in my mind who to deal with replacing my rickety old furnace after it got pooched.
Bob dropped in ahead of time and clearly (and knowledgeably) outlined all technical, price and operational options.
Greg showed up on time, on the agreed date and did a fantastic job. (The OLD furnace was a house of horrors and was installed in a keystone cops sort of way- careless.)
The work Greg did was HIGHLY PROFESSIONAL and FAR MORE FUNCTIONAL than what I had.
I’m also a musician with many instruments so maintaining predictable humidity/temperature is extremely important to me. Greg recognized this as did Bob. You NEVER feel like you’re being brushed off.
In summary, if you’re looking for PROFESSIONAL, QUALITY results by an EXPERIENCED, THOUGHTFUL team
(that also happen to be FRIENDLY and ATTENTIVE ) then you’ve come to the right page!!

by Karen Morgan on Twintech Heating and Cooling
Once again Twin Tech came through and fixed my furnace.

Once again Twin Tech came through and fixed my furnace. A young man by the name of Mitch came by tonight and he was so nice explained everything he was quick he was clean he turned off the lights even when he left the furnace room it’s just above and beyond Twin Tech always delivers and I just found out about them last year and I will use no one else but thanks again Mitch you are fantastic

by Richard Liu on Twintech Heating and Cooling
I had a problem with the Furnace (Armstrong ultra V) and Greg diagnosed it on the phone.

I had a problem with the Furnace (Armstrong ultra V) and Greg diagnosed it on the phone. Even told me what the issue was and I was able to fix it. This level of service from a Business that is almost unknown today.

If you require service, reach out to Greg. I will definitely use them in the future!

by Tony Forde on Twintech Heating and Cooling
We have been shopping for a heat pump for our home.

We have been shopping for a heat pump for our home. We had 3 reps come in and make recommendations and provide a quote. Of the 3, Bob was so clearly so much more qualified, thorough and informed than the other two that the decision was a no brainer. As soon as we get our audit results Twintech will be installing our heat pump.

by Private User, Pickering on Twintech Heating and Cooling
Installation Of New Furnace And Water Heater Tank

knowledgeable sales person, did not try to up-sell unneeded features,
and was easily contacted to ensure customer satisfaction.
Installation was expertly done by friendly guys, everything explained for use of the products. Old products were removed and returned to rental company as part of the service. Follow up call was received to check all was well. This is my second time using this company as I was fully satisfied with my previous air conditioning unit installation

by Private User, Courtice on Twintech Heating and Cooling
Twintech 10 Star Furnace Install

Twintech recently installed a new furnace for me. Bob did a great job assessing what I had and needed. All details well explained including the importance of proper sizing of furnace and the value of multi stage heating and the variable speed blower. As a nurse, indoor air quality is a high priority so the variable speed motor running continuous is so good. 24/7 air cleaning. Greg did a great job on install, attention to detail so appreciated. Already notice such an improved comfort and heat. Thank you Twintech! You come as advertised. I will recommend to anyone in need of heating or cooling!

by Walter, Whitby on Twintech Heating and Cooling
Great Service, Great Furnace And A/C - Can’t Get Better Than That

We received various quotes from 4 different companies and right away, the prompt and thorough communication from Bob from TwinTech stood out. He introduced himself, sent sample sites and information, and always confirmed any agreed to dates and times.

Bob was friendly and extremely knowledgeable about the topic of HVAC and it was clear he was passionate about his profession. He approached the job as if he was installing in his own home.

Prior to the new furnace & A/C installation, our old units were loud and inefficient - having several rooms feeling too cold in the winter and too hot in the summer. After installing the recommended units, all rooms stay at a consistent temperature- even the finished basement.

I highly recommend the TwinTech team - just an outstanding job at a reasonable price point.