Proper ventilation system is a basic necessity for all the houses.
The houses lacking a proper ventilation system are prone to more problems than usual. Ventilation is necessary for many reasons. Ventilation helps to get rid of the odors of smoking, cooking by circulation fresh air. Proper ventilation system also keeps your house free from condensation.

Comparatively, problems of dampness or condensation are very much common today than past.

In past every house was given a proper ventilation but today windows, doors, walls are properly sealed to avoid the energy lost eventually resulted in condensation or dampness. It is important to provide the necessary ventilation required in your houses and these should be without heat loss and water penetration from heavy downpours of rain or cold droughts.

Extractor fans

Extractor fans are commonly installed in kitchens.

Extractor fans help to remove the water vapors from the house.

Extractor fans have the capacity of removing 80liters/sec or 300m3/h. these fans are mostly installed on the top of the walls but in modern houses with low ceilings they are installed on top of the window combined with a shutter.
This shutter helps to keep the droughts away and also helps to control the ventilation rate. Sizes vary according to use, as large kitchen usually have large extractor fans with speed control.

Extractor fans are also used in bathrooms where humidity or moisture level is high.

These fans remove the moisture from the air to prevent it to spread into the house atmosphere. There are humidity control fans that only operate when the humidity reaches to a certain level. So, keep the heat save inside the house.

An air supply is essential for the appliances like natural gas or smokeless solid fuel appliances.
Make sure that they are supply with fresh air when in use. You can take help from Gas Board or Solid-Fuel Advisory Service branch, if in any doubt.

Cooker hoods

Cooker hoods are more effective than the re-circulating devices. Cooker hoods are fitted outside.

In cold weather or winter season, windows are not usually opened or opened for a little time to provide proper ventilation. In these situations high level controllable ventilators are required to serve the purpose.

Draught Proofing

It is often said that unwanted or unnecessary ventilation should be sealed off to provide good insulation to your home.
But it is not the fact, sealing off vents means reducing the ventilation properties. If condensation is the problem, all the preventive measures should be taken in stages. Examine the results of each stage before proceeding to the next stage.

Providing air to gas burning heater, or solid fuel appliances or oil burnings is not enough.

You have to make sure that the fresh air is available for all the members to breathe. this article fresh is also required to prevent condensation. Floor or wall ventilators can be used for best results.

Blocked-off Chimneys

In blocked off chimneys, condensation can occur within the flue.

A ventilator or air brick at the bas of flue will resolve the problem.