FREE content in this report


Types of system

Positive pressure and balanced pressure systems explained. Read more


Controlling condensation

Sources of moisture, and solutions for providing better ventilation. Read more


"Heat recovery" units

We explain some of the confusion around "heat recovery" systems. Read more

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  • Compare price and features for 58 ventilation system products
  • Find out which type of system will suit your style and age of house
  • Our advice if you're thinking of buying a ventilation system

Note: this report does not contain test results or brand-specific recommendations.


Does your house suffer from "crying windows"? A ventilation system could help.

If your home suffers from streaming windows, mouldy curtains and a damp unhealthy feeling, you need to improve your ventilation. We explain how to stop the sources of moisture, and what to look for in a ventilation system.

Note: this report does not contain test results or brand-specific recommendations, but we do compare the price and features of over 50 ventilation systems.