Climate Works Blog

Tips For Buying A Portable Dehumidifier

While many people look to increase the humidity in a home, there are just as many who want to reduce the humidity. This is especially the case in the summer, when the temperature is extremely warm and the humidity causes it to be almost unbearable.

Humid indoor air is not only uncomfortable, it can cause damage to your home and even cause mold to grow.

In your home, humidity levels should never exceed 40 to 50 per cent. If you notice that there is condensation on the windows, allergies are worse or your floors are creaking, then the humidity in your home could be too high.

Problems Humidity Causes

In your home, there are several problems that humidity can cause including allergic reactions, mold growth, stains on the ceilings and walls, condensation on windows, damage to the home and furnishings and long-term health problems.

What Is A Dehumidifier

A dehumidifier does exactly what the name says. It reduces the humidity in the air. Typically, you will find two types of humidifiers; mechanical and desiccant. The desiccant model exposes a desiccant matter (drying substance) to an air stream with high humidity. This type of model does not use a compressor and it is best for areas with low temperatures and lower levels of humidity. They are inexpensive and good for controlling lower humidity levels.

The second type is the mechanical model, which is much more common. It works like an air conditioner in that air is drawn indoor over the cold coil. Moisture then collects in a bucket and the dry air goes through the warm coil, and is sent back at its original temperature into the room. Mechanical units can raise the temperature of a room slightly.

Which To Choose?

There are a number of things to consider when choosing a dehumidifier.
The size of the dehumidifier is dictate how much moisture it can take out of the air in the space of 24 hours. A larger unit can take much more humidity out of the air, versus a smaller one. Some smaller dehumidifiers, in a room too large for it, may run constantly without reducing the humidity level at all.

  • If you want to move the dehumidifier, make sure it is portable.
  • Some dehumidifiers come with a built-in humidistat, which takes the guesswork out of your hands. The machine will turn on and off automatically based on the humidity in the room and the setting on the humidistat.
  • Anti-frost is something you need to consider if you are going to be using the dehumidifier in an area that is below 65F (16C). Frost can form in the machine, impacting and even damaging the sensor.
  • Removable air filters are important, especially if they are washable, since you won’t have to worry about the filter becoming too clogged as it is easy to clean.

In regards to price, you are going to pay between $50 for a small model that can handle a tiny room, to $300 for a model that can reduce the humidity on an entire floor.

Tips for Purchasing A Humidifier

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