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How Does Humidity Affect Your HVAC System?

How Does Humidity Affect Your HVAC System?

Posted by
Ed Miller on Thu, Sep 29, 2016

As it is usually out of sight, out of mind, most people don’t put too much thought into their HVAC system until it stops working properly. Understanding the basics of how your system works will not only help you identify if it’s working properly, but it could also potentially save you money.

Does Being Outside Affect My HVAC Unit?

While many are concerned about the impact of the elements, the components of an HVAC system are built to withstand most extreme conditions. Most of your A/C unit is made up of aluminum, copper, and other forgiving, yet sturdy metals. Additionally, the electrical connections and other components are well-sealed so they are not exposed to moisture. However, other external factors, such as high winds, falling debris, flooding, will ultimately always affect your unit.

Should I Cover My HVAC Unit for the Winter?

The answer is ‘yes’ if you are not using it, but be sure to cover it with the appropriate materials. You should select a commercially available cover that has the proper ventilation holes in it. Without ventilation holes, your cover will create an airtight enclosure, causing it to trap moisture that could potentially rot the unit’s wiring, breakdown the rubber components, and corrode the metal parts.

How Does Humidity Affect My HVAC System?

Humidity can dramatically decrease the efficiency of your HVAC system. Air conditioners work to cool your home by removing excess heat and moisture from the air. However, when the humidity levels are excessively high, which is common in Jacksonville, your HVAC system has to work much harder to cool your home. If your system is the wrong size or if it’s old, it might not have the capacity to keep your home at the desired temperature.

Humidity also affects your home’s heating. Generally, during the winter, the humidity levels drop, which can make your home feel much cooler than it really is. Since Florida is humid nearly year-round, the dramatic drop in humidity that comes with our few weeks of winter can wreak havoc on your heating, causing it to overexert itself and costing you lots of money in repairs and energy bills.

Humidity can drastically affect the way your home’s HVAC system works. If you would like more information about how to keep your HVAC system running at its peak performance at all times, please contact Snyder Heating & Air Conditioning today and let us show you how we can help keep you comfortable while saving you money.




where you’ll find snyder

Snyder Air Conditioning, Plumbing and Electric serves families across Florida. You'll find our technicians are just a short phone call away in neighborhoods throughout these counties:


  • Alachua
  • Baker
  • Clay
  • Duval
  • Flagler
  • Nassau
  • St. Johns


  • Broward
  • Martin
  • Miami-Dade
  • Palm Beach
  • St. Lucie

Customer Reviews

This was an exceptional experience! We woke up to our A/C on but not cooling (it was 6am and already 81 in the house). The person who set up our appointment was very nice, able to get us seen same-day, and let us know of some options to help save us money.

-Christy Cormier

The service from Sam and Chris was excellent! They were very knowledgeable and professional. They were able to answer all of my questions and completed all of my electrical issues. I will definitely use them again for future jobs. Thank you!

-Adrienne Beal

From the get go I could tell that the Snyder employees were truly professionals and didn’t push to make sales like other companies I’ve talked to my whole life. They took the time to explain so that I could make a decision. The installers and later the duct cleaners were very respectful during their work here. Thank you.

-Mike Daniels

Snyder Heating and AC is dependable, always on time and techs have always been courteous and knowledgeable. Emanuel was a great addition to the company. He was friendly and knew what he was doing. Thank you for great service.

-Linda Ackley

Snyder came in and did a total overhaul of our duct system. They had a great knowledge of what to do to make our home so comfortable! The technicians were all so professional and took great care of us! We’re so thankful for their expertise. Great and easy communication with the call center. We will definitely use them again!

-Crystal Hill

Snyder provided an amazing experience from start to finish. Most of us dread getting estimates with pressuring salespeople. Erik was a great guy, explained all my options and didn’t try to pressure me to act quickly! Justin followed up with my husband and I to offer further assistance in our decision. Again, no pressure, just helped with our follow up questions.

-Michele Bauer

Very prompt, professional, courteous, and cleaned up after repair. Had water line break in my front yard and no pressure. Very pleased and would highly recommend Snyder for all your plumbing, and AC needs. Thank you for making a rough morning get better with ease and professionalism.

-Chuck Jr.

Snyder was easy to get in contact with and had availability the next day. Clint came out and needed some parts so had to reschedule us for the next day for installation. He did a great job converting our old 3 knob shower to one. Looks great! Professional and courteous. 100% recommend this company, especially Clint.

-Nicole Hansen

Very thorough and professional Job

-John Ridenour

Excellent work. Hard worker. Highly recommend.

-Andre A

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