Proudly supplying Nilan systems to the UK for 16 years, the only UK supplier with direct contract with Nilan A/S and obligation to maintain the systems we supply

The Official Supplier for SL Services UK

Supplying Nilan systems to SL Services in the UK for 16 years

How To Choose The Right MVHR System For Your Property

Most homeowners are unsure about which MVHR (Mechanical Ventilation Heat Recovery) system is best suited for their property’s specific needs. With numerous options available, it can be a daunting task to find the optimal system. In this guide, we will highlight key factors to consider when selecting an MVHR system, including efficiency, size, installation requirements, and cost-effectiveness.

Key Takeaways:

  • Understand the size and layout of your property: Consider the size, layout, and number of rooms in your property to determine the ventilation requirements.
  • Choose the right ventilation strategy: Decide whether you need a balanced system for whole-house ventilation or a decentralised system for specific rooms.
  • Consider the heat recovery efficiency: Look for a high-efficiency heat recovery system to reduce energy consumption and costs.
  • Check the noise levels: Opt for a system with low noise levels to ensure a comfortable living environment.
  • Consult with a professional: Get advice from a ventilation expert to help you select the right MVHR system that meets your property’s specific needs.

Understanding Your Needs

Identifying Your Property’s Requirements

While choosing the right MVHR system for your property, it is crucial to first identify your specific requirements. An assessment of your property’s size, layout, insulation, and number of rooms can help determine the right capacity and specifications needed for the system.

Determining Your Budget

On determining your budget for an MVHR system, it is vital to consider not only the initial cost of the system but also the long-term savings on energy bills and maintenance. This will help ensure that you choose a system that is not only cost-effective initially but also in the years to come.

This consideration is important as overspending on the initial purchase could lead to financial strain, while underspending could result in a system that is inadequate for your property’s needs. By carefully evaluating your budget and weighing the long-term benefits, you can make a well-informed decision.

Key Factors to Consider

Now, when choosing the right MVHR system for your property, there are several key factors to consider before making a decision. It’s imperative to take into account elements such as airflow rates, heat recovery efficiency, noise levels, and more to ensure you select the best system for your specific needs. Recognizing these factors will help you make an informed choice that meets the requirements of your property.

Airflow Rates and System Sizing

Factors such as the size of your property, the number of rooms, and the layout will all play a role in determining the necessary airflow rates and system sizing for your MVHR system. It’s crucial to ensure that the system can effectively provide sufficient fresh air throughout the property without causing any issues related to over or under ventilation.

Heat Recovery Efficiency and Performance

System efficiency and performance are critical when selecting an MVHR system. A higher heat recovery efficiency means that more heat is retained within the property, leading to lower energy bills and a more environmentally friendly operation. Additionally, a well-performing system will ensure consistent and comfortable temperatures throughout the property. Plus, considering the performance of the system in different conditions, such as extreme temperatures or varying air qualities, is imperative to guarantee optimal operation year-round.

Noise Levels and Sound Reduction

Some MVHR systems can produce noise during operation, which can be disruptive in a residential setting. It’s crucial to consider the noise levels of the system and look for features that offer sound reduction capabilities. Opting for a system with low decibel levels will ensure a quieter and more pleasant living environment for occupants. Performance-wise, choosing an MVHR system with excellent noise reduction features can significantly enhance the overall indoor comfort and quality of living in the property.

Top Tips for Choosing the Right MVHR System

All properties are unique, and finding the right MVHR system for yours requires careful consideration. Here are some top tips to help you make the best choice:

Researching and Comparing Different Systems

Different MVHR SystemsKey Features
Single Room VentilationGreat for smaller spaces
Whole House VentilationPerfect for larger properties

When researching and comparing different MVHR systems, consider the size of your property, your budget, and your specific ventilation needs.

Evaluating System Components and Quality

System components and quality are crucial factors to consider when choosing an MVHR system. For instance, make sure to check the efficiency of the heat recovery unit, the quality of the filters, and the noise levels of the system.

Considering Installation and Maintenance Costs

Little details such as installation and maintenance costs can greatly impact your overall experience with an MVHR system. Proper installation is key to efficiency, while regular maintenance ensures optimal performance.

Summing up

As a reminder, choosing the right MVHR system for your property involves considering factors such as the size of your property, the desired level of air quality, maintenance requirements, and your budget. By carefully evaluating these aspects and working with a qualified HVAC professional, you can select an MVHR system that best suits your needs and ensures efficient ventilation throughout your home.


Q: What is an MVHR system?

A: An MVHR (Mechanical Ventilation with Heat Recovery) system is a type of ventilation system that provides fresh air into a building while also recovering heat from the outgoing stale air.

Q: Why is it important to choose the right MVHR system for your property?

A: Choosing the right MVHR system is crucial to ensure optimal indoor air quality, energy efficiency, and comfort levels in your property.

Q: What factors should I consider when choosing an MVHR system?

A: Factors to consider when choosing an MVHR system include the size of your property, the number of rooms, the layout of the property, insulation levels, and your specific ventilation needs.

Q: What are the benefits of installing an MVHR system?

A: The benefits of installing an MVHR system include improved indoor air quality, energy efficiency, reduced heating costs, and a more comfortable living environment.

Q: How do I determine the right size of MVHR system for my property?

A: The size of the MVHR system you need is determined by the volume of air in your property, which can be calculated by multiplying the floor area by the ceiling height.

Q: What type of filters are used in MVHR systems?

A: MVHR systems use filters to remove dust, pollen, and other particles from the incoming air. Common filters used in MVHR systems include G4 filters for large particles and F7 filters for smaller particles.

Q: Are there any maintenance requirements for MVHR systems?

A: Yes, MVHR systems require regular maintenance, including filter replacement, cleaning of ducts, and regular servicing to ensure optimal performance and efficiency.