5 Warning Signs You Need an HVAC Tune Up

Are you worried about the sound that’s coming from your HVAC system? Do you fear that your neglect of the HVAC system is causing a setback to your air conditioning or furnace? If so, then you need to schedule an HVAC tune-up with a professional right away.

Doing so will help ensure that your system is running smoothly ahead of the harsh heat of the summer or the brutal cold of the winter. There are several signs that you’re system is in desperate need of a tune-up.


See below for an in-depth guide on the telltale signs your system needs an HVAC tune-up right away.

1. System Isn’t Blowing Cool Air

This is one of the most common signs that an HVAC system is in desperate need of a tune-up. Many homeowners can go several hours without realizing that their system isn’t blowing cold air anymore.

The worst part? It might’ve been your neglect that led to this setback. An air conditioning system that’s blowing warm air might be a side effect of not switching out your air filter frequently enough.

Run over to one of your cooling registers, then place your hand over it. Is the vent blowing out cold air? If it isn’t, then your entire system is wasting energy blowing warm air throughout your house, which will only raise your temperature higher.

Also, the system won’t shut off until it reaches your desired temperature, so you also risk the entire system overheating from running in an endless loop.

There are several common reasons for this. You might have a refrigerant leak, a frozen evaporator coil, a dilemma with your thermostat, or a dirty air filter (as previously mentioned). 

The moment you realize your AC is blowing hot air, be sure to contact a trusted HVAC service right away. That way, you can schedule an HVAC tune up and get the problem fixed in no time.

2. Your Energy Bills Are Spiking

Perhaps you’ve noticed lately that your energy bills have been skyrocketing over the last few months. Maybe you realize that your HVAC system is constantly running, which will affect the cost of your monthly bill.

Whatever the case might be, those high energy bills aren’t natural. They’re trying to tell you that there’s a larger problem in your house, and your HVAC system is likely the culprit. The energy company isn’t trying to sabotage you. 

The high energy bills come from an HVAC system that’s wearing out. This is generally due to the typical wear and tear of its age, but it can also be the sign of a larger issue.

Fortunately, you need only schedule an HVAC repair to treat this problem. HVAC specialists will assess your entire system and identify what’s raising the rates of your energy bill each month.

After that, they’ll go to work, fixing the issue and making sure that everything else is working properly. That includes cleaning the condenser coil, looking for leaks, tightening parts in the electrical system, lubricating parts, and so much more.

By scheduling frequent HVAC maintenance, you can save a lot of money on your energy bills from month to month.

3. The System Is Making Weird Sounds

These weird sounds could be coming from either your heater or air conditioning system. If you ever hear a noise and ask yourself “has it always sounded like that?”, it’s probably a sign that the noise is unusual.

These could be sounds such as metal grinding or the sound of a high-pitched squealing from time to time. If you ever hear either of those sounds, contact an HVAC specialist right away.

If it’s a humming noise, then you don’t need to be concerned. Either of the other two noises could mean a problem with the pipes, blades, motor fan, and so on. It can also be a sign that there is faulty wiring within your HVAC system’s electrical circuit.

4. There Are Bad Odors in Your House

Did you know that your HVAC system is responsible for limiting odors in your home’s air quality? The air filter traps all unwanted dirt, dust, germs, hair, etc, then produces a clean air supply for your system to push through the house.

If you start smelling a foul odor, it means there’s an issue with the HVAC system itself. Most likely, there’s a water leak somewhere. If left unattended, this can quickly lead to mold growth.

Contact an HVAC service to come to your house and perform a tune-up right away. They will pinpoint the leak, fix it, then clean the mess as well.

5. Vents Aren’t Blowing Much Air

Put your hand up to an air vent register. If there isn’t as significant air pressure as you have come to expect, then you need an HVAC tune-up right away.

This is a common sign that there’s a leak in one of your air ducts, which will quickly eat away at your energy bill from month to month.

If left unchecked, the problem will continue to worsen. Your air filter might also be clogged. An HVAC tune-up can help solve the problem before it becomes a costly repair.

Schedule an HVAC Tune-Up Today

Now that you have seen several signs that you need to schedule an HVAC tune-up with a local professional, be sure to use these signs to your advantage.

Go around your house and make sure that you aren’t experiencing any of these issues for yourself. If you are, contact an expert right away.

Be sure to browse our website for more articles on HVAC maintenance, as well as many other helpful topics that you’ll enjoy.

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