A Beginner’s Guide to MVHR Systems

MVHR systems have been growing in popularity, along with the general public’s desire to reduce costs and carbon emissions. However, a lot of people still don’t truly understand how they work and why they’re such a great option. Some people also may have misconceptions about MVHR systems and what they can do. Here’s a quick introduction to the world of mechanical ventilation with heat recovery.

How do MVHR Systems Work Exactly?

MVHR systems are primarily ventilation systems. They use ductwork to distribute the air to different parts of the house and extract stale air. An air-handling unit will usually be installed in a plant room or attic.

The part that separates MVHR systems from others is that there will be a heat exchanger in the air-handling unit. Air that is being pulled in will then be mixed with air that is being expelled out. What this means is that instead of just pushing conditioned air out, it will be used to either cool down or heat air that is coming from outside. This is how energy savings are made.

What are the Benefits of MVHR Systems?

Besides the energy savings, there are tons of different ways that you can benefit from an MVHR system. For one, you will be putting less strain on your home’s heating and conditioning system. This means fewer breakdowns and a longer lifespan.

Air quality is also much better in homes with MVHR systems installed. This will reduce the growth of mould spores and condensation. Air will also feel much fresher in your bathrooms.

What Should I Look for When Buying a System?

First, your home has to meet minimal air-tightness requirements for these systems to be installed. The range in which they start to be efficient is around 3m³/hr/m² to 5m³/hr/m² at 50Pa. This is something the company installing the system, or an inspector, will be able to tell you. 

Also, know that you may not be able to install these units in older properties. Trying to hide the ductwork in the existing structure is much more difficult than embedding it in the building during construction. There’s also the fact that older homes did not have to meet the current airtightness standards and are not suited for these types of units.

Besides that, you have to make sure that you work with the right team. A team like this BPC Ventilation company will walk through the whole process with you and help you find the right unit. Dealing with the right people will ensure that you get good service before, during, and after installation. A good team will also recommend units that are the best for you, not for them. Meaning that they won’t try to push you on questionable units just so they can get rid of inventory.

Conclusion

This is all that you need to know if you want to start looking at MVHR systems. The most important part is knowing if your house is the right fit and finding a team that will have your best interests in mind.

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