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The Importance of HVAC Maintenance: 3 Sneaky HVAC Issues

Have you ever come home from a hot day in the heat, anticipating the comfortable and chilly air in your home, only to find blasts of hot air? Or, has your heating pump broken in the middle of a chilly night, leaving you helplessly cold until morning?

Luckily, preventive maintenance can keep these disasters from happening in the first place. You probably won’t notice issues like leaks, ventilation problems, and high indoor humidity until it’s too late. But, with preventative maintenance, an HVAC specialist can identify the problem before it gets out of hand. Keep on reading to learn about the 3 most common reasons for preventive maintenance from the experts at Guin Service.


Air conditioning systems should absorb the heat and provide cooled air around the property. It’s easy to miss signs of a refrigerant leak, including the system overrunning and ice build-up on the refrigerant lines–until the system starts blowing blasts of hot air into the home.

A preventative maintenance check can ensure no leaks are present, so you can stay cool and comfortable all year long. The technician will perform routine checks of the compressor, the refrigerant lines, and the coils so they can spot a leak before it causes damage to your HVAC system.

Ventilation Problems

Preventative maintenance can also identify ventilation problems. These issues are commonly found in the air ducts and create blockages that prevent air from being distributed evenly throughout your home. For example, clogged filters, leaky air ducts, or blocked registers can attribute to poor ventilation in your home.

Common signs of problems in the ducts include low indoor air quality and an overactive unit, which homeowners typically don’t notice until there are uneven temperatures throughout the home. Preventative maintenance can both identify any ventilation problems and guarantee your unit is running at peak efficiency, saving you money on your utility bills.

High Indoor Humidity

One of the reasons HVAC systems are so effective is that they can control the level of humidity in the property. Humidity should be between 30% and 50%—anything higher can cause mildew and mold growth issues. If your home feels more stuffy than usual, it can be easy to chalk it up to Alabama weather, but in reality, this could be a sign of high indoor humidity. During a preventative maintenance check, your technician will monitor humidity levels in your home, and provide a solution if needed.

It’s important to note that if you notice foggy windows, rotting wood, or your allergies are more intense than usual, these are all emergency situations when your HVAC unit should be looked at by a professional. Not only can excess moisture cause structural damage to your home, but it can also cause respiratory problems for you and your family.

Preventative Maintenance at Guin Service

When it comes to HVAC upkeep and efficiency, the most important tool is prevention. Many HVAC issues can be easily prevented with high-quality HVAC maintenance. At Guin Service, we pride ourselves on customer focus to help you ensure your home maintains its HVAC flow.

Our Guin Guard maintenance program can help you keep on top of your air conditioning maintenance. With this program, you can avoid an HVAC emergency and chaos in your home. After all, if you look after your HVAC, it will look after you.

Guin Service: Quality HVAC and Plumbing Services in Birmingham

Contact Guin Service, LLC, serving Birmingham, Hoover, and Mountain Brook, AL, to get more information about how preventative HVAC maintenance will save you time and money. We’ve been in business for 60 years because we make sure our customers are always satisfied. Just give us a call today at 205.407.1752 or reach out online.

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