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When there is an HVAC breakdown, most homeowners get panicked and immediately call a professional. Hiring an expert professional is a good step to take, but not all the time. Sometimes, the issue is not severe enough to call a technician. A simple DIY fix can resolve the issue promptly. Especially in Pennsylvania, where HVAC issues are more prevalent, this troubleshooting knowledge is important to prevent safety hazards and significant problems. Whether it is residential AC installation in PA or commercial heating repair, quick troubleshooting steps can save you from extensive equipment damage.
Let us learn the practical tips and tricks to troubleshoot common HVAC problems with a DIY method, and when there is a need to call a professional.
Numerous HVAC problems are often encountered in Pennsylvania homes and businesses. Let us uncover them one by one.
Refrigerant plays a similar role to that of blood in the human body. The system is unable to cool or warm the air without sufficient refrigerant. If there is a low refrigerant level, the system struggles to match the temperature according to the set range on the thermostat.
Common Signs: The common signs of refrigerant leaks include ice or frost buildup around coils, oily residue on refrigerant lines, and hissing sounds.
Troubleshooting Steps: First, identify the leaks, which are often located on joints and connections. After this, repair the cracks or replace the faulty components. Finally, refill the refrigerant to normal levels following safety protocols.
When to Call a Pro: Most of the refrigerant issues need to be addressed by a pro because of the high risk associated. When you notice significant leakage or severe health outcomes, call a pro immediately.
Weak or poor airflow is one of the most encountered issues in Pennsylvania. The primary reason for this issue is obstruction or restriction in the air pathway. The blockage in the air flow can lead to uneven heating and cooling of the system.
Common Signs: The common signs for weak airflow include reduced air from the vents or a gentle whisper instead of a steady stream of air. You can compare the airflow with other vents, and it would be lower than others.
Troubleshooting Steps: Inspect, clean, and replace the air filters, clear the obstructions from the ducts, and remove the buildup from the blower fans.
When to Call a Pro: Call a pro when the issue is beyond simple obstruction or blockage. For example, when there is too much ice or frost buildup, refrigerant is involved, or there is a thick buildup around coils, call a professional.
A thermostat performs the same function for an HVAC unit that the brain performs for the body. It regulates the temperature of the space according to consumer needs. When a thermostat fails, an HVAC unit is no longer able to provide the desired comfort.
Common Signs: Common signs of a faulty thermostat include the HVAC system not turning on, short cycling, and a blank or unresponsive display of the thermostat.
Troubleshooting Steps: Some troubleshooting steps for a faulty thermostat include recalibrating it, replacing the batteries, and checking and adjusting the electrical connections.
When to Call a Pro: Call a pro when there is a safety problem, complex wiring, or repeatedly tripping breakers.
Electrical issues are also very common and very frustrating HVAC problems. They stop the input supply to the unit, rendering it non-functional. Several electrical problems also involve certain safety hazards that need a meticulous approach to deal with.
Common Signs: Sparks and burning smells in the wires, the unit not starting at all, and frequent shutting off of the unit are some signs of electrical issues.
Troubleshooting Steps: Inspect the wiring for loose connections. Also, check the capacitors and circuit breaker, and replace the faulty components.
When to Call a Pro: Call a professional when safety and fire hazards are involved. For example, smoky smells from the wiring, frequent tripping breakers, and spark sounds, etc, are critical issues that can only be handled by experts.
Strange noises from the HVAC unit are mostly due to loose components such as belts, fan blades, mounting bolts, or panels. These sounds can also be due to gas escaping, ignition problems, and electrical failures etc.
Common Signs: The common signs include bizarre noises coming from the unit, such as hissing, squealing, or rattling.
Troubleshooting Steps: The troubleshooting steps include tightening and lubricating the movable parts, removing the obstructions, and replacing the faulty components.
When to Call a Pro: Always call a pro when the sound is loud, suggesting a heavy mechanical failure. If you suspect it is an electrical buzzing or sparking sound, call the professionals.
When a DIY method for fixing an HVAC problem fails, call a professional. Now, the question arises as to who should be called during such unexpected situations, who can come quickly and fix the issue, the right way. The honest answer is to call your local experts. They know your region, the type of HVAC systems most commonly used in that region, and the climate strain. Make sure to check the expertise, experience, and certification of the technician.
If you are in Pennsylvania, you can trust the expertise of Lehigh HVAC Experts. We are the leading provider of HVAC solutions in PA with fast services and prompt responses. We can handle all the HVAC issues, from minor fixes to extensive upgrades. The best is that we offer you GreenSky 0% financing options so you can get service when you need and pay later on without any interest charges.
Contact us at 484-961-7044 when an HVAC DIY fails or is not ideal to fix the issue.
