Dual-flow or single-flow ventilation: which solution should you choose for a healthy home?

We insulate our homes, install double glazing, choose efficient heating systems… But what about ventilation? We often think about it too late.
And yet, without proper ventilation, you breathe air that quickly becomes heavy, humid, and laden with dust, pollutants, and odors.
So, here’s the big question: should you install single-flow or dual-flow ventilation to really breathe healthy air at home? Mattis, Pulvinar Dapibus Leo.

-Why is Ventilation So Important?

Opening windows is good. But it’s not a miracle solution:

  • You lose heat in winter.
  • You let in noise and outside pollution.
  • You have no control over air quality.

A good ventilation system guarantees constant air renewal without wasting energy and without you having to think about it.

-Single-Flow Ventilation: The Economical and Functional Solution

-Single-flow ventilation is the basic system:
It extracts stale air from humid rooms (kitchen, bathroom, toilet).
Fresh air enters naturally through small grilles in windows or walls.
It is a simple, effective solution for ventilating humid rooms and preventing mold.
-The advantages:
It is quick and easy to install.
It is affordable, especially for those on a tight budget.
It consumes little electricity.
-But it also has its limitations:
The air that enters your home is not filtered. So dust, pollen, and outdoor pollution also get in.
In winter, cold air enters directly, causing the temperature in your home to drop.
Efficiency depends greatly on the weather and the quality of your insulation.
This solution may be sufficient in older homes or if you are looking for an economical option.

-Dual-flow ventilation: The ultimate comfort and health option

Dual-flow ventilation is more advanced:

  • It extracts stale air from your home.
  • It brings in fresh air, but before it is blown into your home, this air is filtered (dust, pollen, pollution).
  • Above all, it recovers heat from the extracted air to warm the incoming air. The result: you don’t lose heat from your home.

Why do we love it?

  • You breathe clean, healthy air, free of pollutants, dust, and excessive humidity.
  • You save a lot of energy on heating, especially in winter.
  • It is quiet, and you never feel a cold draft.
  • This is the ideal solution if you have children, suffer from allergies, or want optimal comfort in your home.

Of course, it costs more to install than a simple flow system. But in the long run, you’ll save on energy consumption and enjoy unparalleled comfort.

Single Flow or Double Flow: How to Choose?

If you are only looking to remove moisture from your bathroom or kitchen, and you are on a tight budget, a single flow system may be sufficient. It is a basic solution that will do the job of preventing mold.
But if you really want to improve air quality throughout your home, save money on your energy bill, and enjoy optimal thermal comfort in all seasons, dual-flow ventilation is clearly the smart investment.
It is also the most suitable solution in well-insulated homes or new buildings.

-Mistakes to Avoid

Many people think that installing ventilation is enough and that it will work on its own. But beware of these pitfalls:

  • Installing a system that is undersized for the size of your home.
  • Forgetting to maintain filters (especially for dual-flow systems).
  • To think that a simple flow is sufficient in a low-energy house.
  • Choosing the cheapest option without considering actual performance.

The goal: to offer you the solution that truly suits your home and your lifestyle.

At Frigotech, we don’t just sell you a ventilation system. We make sure you breathe healthy air in your home, hassle-free.

We listen to you, advise you on what is truly suited to your home and your budget, then install it properly and remain at your side for maintenance.

Simple, effective, and above all: you can breathe easy.

Ventilation is the foundation of a healthy home
Indoor air quality has a direct impact on your health, comfort, and even the durability of your home.
Single-flow ventilation is an economical and functional solution.
Double-flow ventilation is the ideal solution if you really want to breathe healthy air, save energy, and live in a comfortable environment.
In any case, Frigotech is here to advise and support you in your project.

This post is also available in: Dutch French

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