MVHR: Your Guide to Heat Ventilation Recovery

MVHR or Mechanical Ventilation with Heat Recovery system is an important aspect of any modern home. While the terminology might seem a bit technical at first glance, fear not, as this guide is designed to walk you through the basics of MVHR. 

MVHR - Ventilated Heat Recovery Unit | SGS Energy

Understanding MVHR: What is it?

At its core, MVHR is a brilliant solution that marries ventilation with energy efficiency. In simpler terms, it is a system that helps to keep the air in your home or workplace fresh, while also conserving the heat energy that would otherwise be lost in the ventilation process. This balance ensures a comfortable, healthy indoor environment without the hefty energy bills that usually accompany heating systems.

MVHR systems | SGS Energy

The Working Principles of MVHR

Understanding how MVHR works doesn’t require a degree in engineering. Here’s a straightforward breakdown:

Step 1: Fresh Air Intake

Initially, the MVHR system draws in fresh air from the outdoor environment. This action not only revitalises the indoor air quality but also helps to curb the accumulation of pollutants and stale air.

Step 2: Heat Recovery

Here is where the magic happens: as the fresh air is brought inside, the MVHR unit simultaneously extracts the stale indoor air. But before this stale air is expelled outdoors, the system recovers the heat from it in a unit known as a heat exchanger.

Step 3: Warm Air Distribution

The recovered heat isn’t expelled with the stale air. Instead, it is transferred to the incoming fresh air, warming it up before it circulates through your property. This process maintains a pleasant indoor temperature without overworking your existing heating system.

Who Could Benefit from an MVHR System?

So, who stands to gain the most from integrating an MVHR system into their property? Let’s find out:

Modern Homes and New Builds

New and modern homes, especially those built with a focus on energy efficiency, are prime candidates for an MVHR installation. These residences are often well insulated, allowing the MVHR system to effectively manage air quality and temperature without significant heat loss.

Environment Enthusiasts

If you are a person who is keen on reducing energy consumption and minimising carbon footprint, adopting an MVHR system might align well with your goals. It represents a step forward in creating living spaces that are in harmony with the environment.

Benefits of a MVHR System in the home | SGS Energy

Considering MVHR?

We trust that this guide has shed some light on the fundamentals and advantages of MVHR systems. If this seems like a suitable solution for your needs, you might consider further exploration and consultation with professionals in the field.

To help you decide if MVHR is right for you, then get in touch with our team today who will offer expert advice and guidance. We’re also able to offer other sustainable solutions for your home, such as Solar PV panels, or electric charging points for cars. If this is something you’re interested in then you can contact us at