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Do Whole House Humidifiers Work?

Have you ever considered whether or not you need a whole house humidifier? A humidifier might be a great addition to your whole home comfort system if you:

  • Find yourself zapped by static shock
  • Wake up in the morning with a sore throat, chapped lips or just feeling dry all over
  • Notice cracking in your wood furniture, floors or drywall

You may notice that these issues become worse in the winter. Your heating system adds to these humidity-related problems because the process of heating the air removes moisture. A whole house humidifier can be installed on your heating system to add moisture to the warm air and deliver it through the duct system to your entire home, making you and your family more comfortable.

Even better, a whole house humidifier can actually save you money. A home with higher humidity will feel warmer, allowing you to be more comfortable at lower temperatures. I’m sure you’re familiar with this concept from the weather we experience in Maryland in the summer – as they say, it’s not the heat, it’s the humidity that makes our Maryland summers so sweltering.

Over the years, we’ve been to many homes in Rockville, Germantown, Gaithersburg and other cities throughout Montgomery County where our customers have humidifiers, but they feel as though their home’s air is still too dry. We have found that there are two major obstacles that can diminish a humidifier’s effectiveness:

Problem: Your Heating System. Humidifiers make your home more comfortable by adding moisture to the air. However, humidifiers only work when your heating system is actually running, so you’re only adding moisture when your furnace or heat pump is on. Most systems only run a fraction of the time, and even less if they’re oversized, as many older units are.

Solution: Variable speed furnaces and heat pumps can improve your humidifier’s performance. These units operate on lower settings most of the time, which means they run for a longer period of time to achieve the same effect. This allows more time for your system to add humidity to the conditioned air, and also allows you to run the fan on lower speeds. The lower speed lets you to run your fan continuously with the humidifier, providing additional humidification without requiring the system to operate in heating mode.

Problem: Air Filtration. Your home needs to constantly exchange fresh air from the outside to be healthy. However, we have found that most homes let in far too much air. An average healthy home requires 5-7 complete air exchanges each day in which the air inside your home is totally replaced with fresh air. We’ve measured homes with more than twice that amount! That means the air inside your home is being humidified, conditioned, and then escaping to the outside. The humidity that you have added is being lost outside and your humidifier is unable to keep up with the drier outside air. Not to mention all the money you’re wasting air conditioning the outdoors!

Solution: At GAC Cooling & Heating, we now suggest we analyze any home before installing a humidifier. We want to look at the windows, doors and other places where air can infiltrate into your home.  With this information, we can determine whether the humidifier will perform as it should. We can also point out areas where simple improvements like weather stripping or insulating your duct work can be made to decrease the amount of infiltration to the home.

If you’re interested in more information about how you and your family can stay healthier and more comfortable year-round with a whole home humidifier, contact us at 301.926.3253.

"Your technicians are always polite, professional and personable. The gentlemen who performed our new system installation were a true team, and a real pleasure to have around! "
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The information on this website is for informational purposes only; it is deemed accurate but not guaranteed. It does not constitute professional advice. All information is subject to change at any time without notice. Contact us for complete details.