Knowledge
Condensation
1 article
Why Is My Window Wet Every Morning?
Waking up to water running down the bedroom window is frustrating, especially when you've already wiped it down the day before. It's usually a sign that warm, moist indoor air is meeting a cold surface.
Costs
2 articles
How Much Does a PIV System Cost to Run?
It's sensible to ask about running costs before fitting something that operates in the background all day and is connected to your mains electricity. The answer depends on whether you're looking at the fan alone or a heated PIV system.
How Much Does a PIV Unit Cost to Install in the UK?
If you're looking into a PIV unit to help with condensation or black mould, one of the first questions is usually how much it's going to cost. Fair enough. You want to know what you're paying for, whether there are any extras and whether the system is actually suitable for your home.
How PIV works
3 articles
Do PIV Units Actually Work?
PIV can make a noticeable difference in the right home. The key words there are 'the right home' because not every patch of damp is a ventilation problem.
What Are the Advantages and Disadvantages of PIV Systems?
PIV has some real advantages, but it also has limits. Knowing both is a much better starting point than being told it's the answer to every damp problem.
Why Is My PIV Unit Not Stopping Condensation?
If you've had PIV fitted and the windows are still wet, it's worth checking what's actually happening before deciding the unit doesn't work. The PIV might be doing it’s job, but another part of your ventilation system is not.
Installation
3 articles
Can You Install a PIV Unit in a Fully Boarded Loft?
A boarded loft doesn't automatically rule out PIV. We just need to see how and what parts have been boarded. Then we can make a sensible decision on where the unit would sit and whether there's safe access for the installation.
Do I Need a Ventilation Assessment Before Installing PIV?
Not every home needs a paid survey before a PIV installation. We have been assessing homes across the UK for many years and in most cases the diagnosis is pretty straightforward. A few photographs and a clear description of the problem can tell us enough to advise on the next step.
Do You Still Need Extractor Fans If You Have PIV?
Not always, but more often than not the answer is probably going to be yes. Most homes still need proper extraction in bathrooms and kitchens. A PIV unit and extractor fans do different jobs, and they work best when the whole ventilation setup makes sense.
Products
2 articles
Is a Heated PIV Unit Worth the Extra Money?
Choosing between heated and non-heated PIV is really a question of comfort, not whether one magically removes more moisture.
Nuaire vs Vent-Axia PIV: Which Is Better?
Nuaire and Vent-Axia are both established ventilation names. Rather than declare one the winner, it's worth comparing the actual PIV systems that they both offer, we install both, so it’s only fair!