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3 Numbers to Help You Determine When it's Time for a New HVAC System 

3 Numbers to Help You Determine When it’s Time for a New HVAC System 

HVAC repairs are common due to how often people use their HVAC systems on a daily basis. Inevitably, there will come a time when you’ll need to have your own HVAC unit repaired. However, if you’re undergoing more repairs than usual, are the repair costs worth it? Or is it finally time to get a new HVAC system?

How Can You Determine When it’s Time for a New HVAC System?

Here are some questions you need to ask yourself to determine if it’s time for an HVAC system replacement:

1. How Many Repairs Have You Had?

A question to ask yourself when you are dealing with a broken HVAC is, “How many repairs have you had to schedule?” If this is the second repair in a year, then you no longer need to worry about the repair costs, because requiring more than one major repair annually is a powerful indicator that you need a new HVAC system.

Scheduling regular inspections and maintenance for your HVAC system will keep it in good condition and it wouldn’t need repairs twice in a year. In fact, if you have been spending on repairs every year, then it’s time to consider a full replacement, as yearly repairs are only burning holes in your wallet.

2. How Much Have You Paid for the Past Repairs?

If you haven’t thought about this question yet, then it’s time that you do. How much does it cost you every year to repair your HVAC system to full functionality? If you find that those yearly repairs are quickly adding up, you might be better off getting a new HVAC system altogether.

You can also do some calculations on your own to determine how much a repair will cost you versus how much it will cost you if you replace the system as a whole.

3. Do the Math

If you’re still trying to push through with a repair, then it’s time to crunch numbers. A good rule of thumb is that, when it comes to HVAC repair costs, you should take the repair cost and multiply it by the age of your system. For example, if you are given a repair quote of $500 and your HVAC system is already ten years old, then the number you end up with is $5,000.

If your system is already ten years old, then it’s high time to let it rest and get a new HVAC system. Plus, you can’t spend more or less $500 a year just to ensure that it works. It isn’t practical and you’re only wasting hard-earned money.

Another calculation that you can do is to take the cost of a new system installation and reduce it by 50%. Compare it to the repair cost. Which one is the better choice?


The best cure for costly HVAC repairs is early detection and preventative maintenance. For systems that are too far gone and no longer reliable, it’s likely a better financial decision to consider replacing the system altogether. Understandably, not everyone is willing to buy a new one because of the hefty price tag that comes with a newer system. However, a new system that is professionally maintained and inspected is much more useful than one in constant need of repair.

If you think that you’re getting your HVAC system repaired more than usual, then it’s time to think things through, do the math, and consider a replacement. It would also be a great idea to speak with an HVAC professional for advice.

We offer refrigeration repair and commercial HVAC services in San Mateo, CA. We’ve been serving a variety of businesses in the Bay Area for over 35 years. Contact us today and let us know how we can help!

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