What is the ideal humidity level in a house

What is the ideal humidity level in a house?

Everything you need to know about optimal humidity in a house

Because too high or too low a humidity level can have serious consequences in a house, here is some useful information on the ideal humidity level in a house and some advice on how to regulate it.

ideal humidity in a house

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SUMMARY:

  • Why be interested in the relative humidity level of a house?
  • The ideal humidity level in a house
  • How do you measure the humidity level in a house?
  • Moisture levels in a house that are too high or too low: what are the risks?
  • How do you regulate the humidity level in a house?

Why be interested in the relative humidity level of a house?

In a house, the percentage of water vapor in the air relative to the maximum amount that the air can absorb is called relative humidity (or hygrometry).
In a house, this rate obviously varies according to various parameters, such as :

  • The outside temperature and the season;
  • The number of inhabitants in the house (a family of 4 people naturally emits more than 10 liters of water vapor per day);
  • The type of heating chosen;
  • Activities in the interior...

However, it is very important to know the humidity level of a house to see if it is too low or too high and, if so, to find solutions to regulate it.

Simply because to live properly in a house and be healthy, not only humans, but also animals and plants need a certain amount of water vapor in the air!

What is the ideal humidity level in a house?

In several countries (the optimal humidity level of a house varies according to the climate and therefore the geographical areas), the ideal humidity level is between 40 and 60% according to the doctors, and rather between 45 and 55% for people with fragile health.

In general, a humidity level between 45 and 65% is quite acceptable in an everyday interior.

How do you interpret the value of the optimal humidity level in a house? It is simple. If the relative humidity level in your house is 50%, this means that the room air contains 50% of the maximum amount of water vapour that it can absorb depending on the temperature in your house.

Good to know: the ideal humidity level in a house is not the same in winter as in other seasons.

The lower the temperature, the lower the ideal humidity level in a house.

Yes: as the outside humidity is higher during the cold season, as the outside temperature drops and as the temperature in your house increases, the relative humidity level will be more like 30 to 50% in winter.

How do you measure the humidity level in a house?

To measure the humidity and temperature of your house, there is a simple but very effective device: the hygrometer.

Equipped with a probe and needle (for older models) or a digital dial (for newer, more reliable and more practical models), the hygrometer measures and analyzes the air quality in your home in just a few minutes.

However, be careful: although it is easy to use and quite accurate, the hygrometer is not a 100% reliable tool for measuring the humidity level in a house.

If you have any doubts or if you want to measure the humidity level in your house in a very precise and exact way, call a professional!

Moisture levels in a house that are too high or too low: what are the risks?

If it is important to know the ideal humidity level of a house and to know how to measure the hygrometry of a house, it is because a humidity level that is too high or too low can have harmful consequences in a house, not only for its structure, but also for its occupants.

In fact, too high a humidity level (over 65%) in a house can result in :

  • The proliferation of microbes and microorganisms that can cause allergies or infections (such as dust mites, for example)
  • The development of fungus and/or mold on the walls and ceilings of the house with a musty smell that remains constantly.
  • The appearance of condensation on all cold surfaces in the house.
  • Peeling wallpaper or paint degradation on the walls (blisters, cracks).
  • Laundry that smells bad because it doesn't dry well

However, too low a relative humidity level in a house (below 30%, which often happens in winter when the heating is on all the time) is not healthy either, as too dry air can have the following consequences:

  • An increase in lung and eye irritations, allergies and asthma attacks because viruses spread more quickly when the air is too dry.
  • Dryness of the mucous membranes of the respiratory tract, which can lead to ENT infections in younger people.
  • Dehydration problems and increased sweating.
  • Fatigue and headaches.
  • Chapped lips and nasal congestion, but also tingling eyes.

How do you regulate the humidity level in a house?

To avoid having too low or too high a humidity level in your house (with the consequences this can have), remember that :

The best way to fight excess humidity is simple: start by ventilating your house properly.

Whatever the season, be sure to ventilate preferably early in the morning, and as soon as you perform an activity at home (sport at home, housework, etc.).

Think also about insulating your house optimally and, if necessary, invest in a dehumidifier (chemical or electrical dehumidifier, it's up to you) to dry the air in your house.

If the humidity level is too low, an electric humidifier can be used to increase the concentration of water in the room air.

Remember also that the temperature in your home may be responsible for the air being too dry: yes, the higher the temperature, the more the air tends to dry out.

Hence the importance of setting the thermostat to a temperature of 20-21°C in your living room all year round: this so-called comfort temperature is more than sufficient!

You should also know that certain heating methods are known to dry out indoor air. This is the case with electric heating (especially if you have old convectors in toaster mode!) and wood heating.

Note: Humidifiers and dehumidifiers are certainly effective solutions for dealing with abnormally high or low humidity levels in your home, but beware!

They are temporary solutions that will not solve the problem at the source, and obviously should not be replaced by good ventilation of your house and regular aeration.

In case of recurring moisture problems, do not hesitate to call a professional who will establish a diagnosis and determine the causes of your moisture problems (infiltrations and leaks, rising capillaries, etc.).

Once the causes have been determined, you will be able to give it an adequate and lasting treatment.

Also these devices can be found in online stores such as: aliexpress, amazon, ebay, alibaba , mercadolibre. Many of them are in great discounts for clearance offers.

Moisture, a concern both inside and outside the house

Before thinking about solutions to effectively combat moisture in the bedroom, it is important to check what is causing it.

The ideal humidity level for a bedroom should be between 50 and 60%. Above 60%, the rate is too high. This can cause health problems.

  • Moisture from outside the chamber

It is often caused by water infiltration during heavy rains. Poor sealing of exterior woodwork (window, French window...) can also be a cause.

  • The humidity inside the chamber

It is essentially caused by the human being's breathing. In fact, we exhale 1 to 2 liters of water every night. Incredible, isn't it? Moisture can also come from certain household tasks, such as drying clothes in a room.

What are the main consequences of humidity in the room?

A humid interior can lead to the formation and growth of mold in the bedroom. If you have a wallpaper, mold can even start to form underneath it, before it gradually peels off the wallpaper.

Mold can lead to respiratory problems of varying degrees of severity.

Tip #1: Make a home dehumidifier

The dehumidifier is easy to find commercially, but can also be homemade.

To do this, start by cutting a water bottle in half, then wrap the neck with a compress held in place with rubber bands.

Absorbent cotton can also be used if you don't have pads at home.

Pour a few drops of essential oil on top, and then place some of the coarse salt on the neck.

Finally, like a wasp trap, it fits the funnel-shaped part at the bottom of the bottle. All you have to do is put it in a damp room.

Homemade dehumidifiers are usually less expensive than commercial versions of some brands.

In addition, they contain fewer chemicals. This is a good thing if you use this type of product in a child's room.

Tip #2: Fix the gummy arabic bits

To reduce it in a room, put small pieces of flavored gum arabic (not kitchen).

It absorbs humidity, disinfects closed rooms and perfumes them. The other idea: you can also put them in cupboards and sideboards to avoid mold.

Tip #3: Go for the salt

Coarse kitchen salt is undoubtedly one of your best allies in overcoming humidity in the cabinets!

Just put it in a few bowls and install it in the rooms where you need it. A little tip: don't forget to change the coarse salt regularly.

You can also make a great homemade dehumidifier with coarse salt and a 1.5 liter plastic bottle.

Tip #4: Choose your coal

We don't necessarily think about it, and yet coal is very effective in fighting moisture.

Just put a few pieces of charcoal (3 or 4 are more than enough) in a container with a perforated lid. For example, you can use an empty ice cream pot for this.

To keep it effective, remember to change it at least every two weeks.

Tip #5: Use crushed clay

Clay has the ability to attract water. Therefore, it is a good natural trick to trap the humidity present in the room. Use a 1.5L plastic bottle (empty) for this purpose. Cut the bottle two-thirds of the way through with a cutter.

Fit the small funnel-shaped part into the larger part and line it with a thin cloth.

On the cloth, fill the funnel three quarters full of crushed clay (found in organic stores). Remember to regularly empty the bottle filled with water.

Content (Click to view)
  1. What is the ideal humidity level in a house?
  2. Everything you need to know about optimal humidity in a house
  3. SUMMARY:
  4. Why be interested in the relative humidity level of a house?
  5. What is the ideal humidity level in a house?
  6. How do you measure the humidity level in a house?
  7. How do you regulate the humidity level in a house?
  8. Moisture, a concern both inside and outside the house
  9. What are the main consequences of humidity in the room?
  10. Tip #1: Make a home dehumidifier
  11. Tip #2: Fix the gummy arabic bits
  12. Tip #3: Go for the salt
  13. Tip #4: Choose your coal
  14. Tip #5: Use crushed clay
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