Posts by Mareks Meiers
How to Stop Bathroom Extractor Fan Backdraft
If you feel cold air, smells, or damp air coming back through a bathroom fan grille when the fan is off, that is usually a bathroom extr...
How to Reduce Humidity in a Bedroom
If you want to reduce humidity in a bedroom, start by finding the cause: overnight moisture from people, poor ventilation, cold surfaces...
Why Does Bedroom Window Condensation Form Overnight?
Bedroom window condensation forms when moist indoor air touches a window surface that has cooled below the airās dew point. Bedrooms are...
Why Does an Air Source Heat Pump Lose Efficiency in Cold Weather?
Air source heat pump efficiency in cold weather normally falls because the refrigerant circuit must create a larger temperature lift as ...
Why Is My Bathroom Extractor Fan Not Removing Humidity?
If your bathroom extractor fan not removing humidity is the problem, the usual causes are simple: the fan is undersized, it is not exhau...
What Is the Ideal Indoor Humidity in Winter?
The ideal indoor humidity in winter for most heated European homes is usually around 40ā50% relative humidity (RH), with 30ā50% RH as a ...
Can a Ventilation System Cool a House Without Air Conditioning?
Yes, ventilation can sometimes make a house feel cooler and reduce indoor temperature, but only when it helps remove heat from the build...
Why Is Bathroom Fan Noisy? Causes and Fixes
Why is bathroom fan noisy? Identify motor, duct and installation faults, reduce vibration, and decide whether cleaning, repair or replacement is sensible.
Extractor Fan Backdraft Shutter: Why You Need One
Choose an extractor fan backdraft shutter that limits cold draughts and odours without reducing airflow, raising noise or causing installation problems.
Is a Constant Airflow Ventilation Fan Right?
Learn how a constant airflow ventilation fan controls moisture, noise and energy use, and choose suitable ducting, controls and capacity for your room.