8 Warning Signs You Need an Emergency HVAC Repair

The environment in your home should be comfortable throughout the year. The correct temperature is crucial, especially during the summer and winter seasons when the heat, ventilation, and air conditioning (HVAC) system plays an important role. With this in mind, it’s vital to provide your system with regular maintenance and deal with emergency HVAC repairs that might arise right away.

As the years pass and the HVAC system is subjected to constant use; it’ll eventually deteriorate and develop problems along the way. Sadly, it won’t be long until an inevitable breakdown occurs.

Sudden HVAC system breakdowns typically start with minor problems that are mostly ignored. Those issues can progress into serious one that requires costly repair or even replacement in the long run. If you’re in need of such solutions, turn to a heating and cooling expert you can trust so you can get an excellent outcome. But if you’re unsure whether it’s time to call in a professional, watch out for any of these signs:

1. A Significant Increase in Your Monthly Utility Bill

An abrupt rise in your utility bill can be an issue of concern. A problem with the HVAC system, such as the air conditioning (AC), might be the culprit. Once the air conditioning unit starts to deteriorate or show signs of poor performance and compressor issues. This can cause a drastic shift in electrical consumption.

2. Unusual Sounds Originating from the AC Unit

You’ll know when your air conditioning starts to produce unusual sounds. If the unit seems to be operating significantly louder than average, it’s best to call an emergency HVAC repair service to carry out an inspection and repair. To get professional service, get in touch with a company like Fresno HVAC Services.

In some instances, an AC unit that’s excessively noisy might be a sign of a significant problem, such as trapped air in the coolant lines. When there’s a mechanical grinding sound, it might be an issue with the motor or compressor. Additionally, a hissing sound might signify a leaking refrigerant that requires immediate repair before it results in damage to the system.

3. Rotten Egg Odor

When your house is running on natural gas, make it a priority to monitor for any rotten smell odor since this would indicate leakage. Generally, the furnace will generate a faint scent, but it shouldn’t last for a long time.

Once you suspect a leakage of gas, you and your family should leave the house right away. Remember that many explosions due to natural gas occur every year. Get in touch with emergency HVAC repair professionals to carry out inspections and repairs. Don’t return to your house until it’s been deemed safe.

4. Escalating Humidity Level Indoors

 Escalating Humidity Level Indoors

When you have an air conditioning system in your home, it’s beneficial in controlling the humidity level indoors even if the levels outside are off the roof. The indoor humidity level should be between 30% and 50%. Once it goes beyond that range, your house will feel stuffy and allow for the growth of mold.

With that said, if the AC is on and you still feel warm even if you’re not engaging in any strenuous task, it’s time to call an emergency HVAC repair professional.

5. Water Leaks

If you regularly inspect your HVAC system, make sure to watch out for any leaks, including minor ones.

When the air conditioning unit shows leaks, this could be an indication of a frozen evaporator coil. Aside from posing as a potential slip-and-trip hazard and serving as the ideal breeding environment for mold, any lingering puddles point to a potentially serious issue with your system that requires immediate attention.

6. Burning Odor

Although the furnace in your home works by burning, you shouldn’t detect any burning smell at all. One of the chief reasons you might notice a burning odor is leaking oil heated by the motor.

If the burning odor’s too strong, you should switch off the furnace at the shutoff valve and the oil via the switch on the supply line. The next step is to call a professional to carry out the necessary repairs.

7. Rapid Cycling of the HVAC System

Rapid Cycling of the HVAC System

Once you start to notice the air conditioning system switching on and off more often than average, it might indicate an issue with the thermostat or the electrical connection in the unit. Depending on the root cause, it’s best to get in touch with a professional as soon as possible.

8. Musty or Mold-Like Odor

It’s important to remember that AC units produce large amounts of moisture within the system via condensation buildup, but it should only be within the unit. Unfortunately, there are instances in which the moisture seeps into the ductwork, allowing for mold growth.

If you overlook this issue, it can trigger health problems in your household. Calling a professional should be your priority to ensure thorough cleaning of the ductwork, pinpoint the source of the moisture, and carry out repairs.


The best way to ensure that the HVAC system in your home stays in good condition throughout the year is to deal with minor issues and provide regular maintenance. In case any of these warning signs are present, don’t delay and call emergency HVAC repair services to prevent potential problems from getting worse. Timely inspection and repairs will keep your home comfortable and safe for years to come.

For additional insights:

Rishi Goratela
Rishi Goratela
Rishi Goratela has over 5 years of experience in SEO and blogging, which he uses to help bloggers and website owners increase their online visibility and traffic organically. He is an expert in creating content strategies, conducting keyword research, publishing blogs, and optimizing technical issues.

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