Elevating UK Building Standards: The Blauberg ISO-MIX EC Fan
A Silent Revolution in Energy-Efficient Ventilation
As the UK building industry increasingly prioritises energy-efficient and high-performance environments, the demand for advanced ventilation solutions has never been higher. The Blauberg ISO-MIX EC Acoustic Low Noise Mixed Flow In-Line Extractor Fan, featuring an electronically commutated (EC) motor, stands out as a top-tier choice for projects that require optimal ventilation with minimal noise. This product is particularly well-suited for CIBSE members and professionals committed to sustainable building practices, offering a perfect balance of high efficiency and compliance with UK Building Regulations.
The Blauberg ISO-MIX EC fan is designed with the specific needs of British architects and building services engineers in mind. The fan’s EC motor delivers exceptional energy savings and precise speed control, which not only lowers operating costs but also significantly reduces the building's carbon footprint. This aligns perfectly with current sustainability goals and standards such as the CIBSE Guide F, which emphasises the importance of energy efficiency in building services. Additionally, the fan’s advanced acoustic insulation ensures that noise levels are kept to a minimum, making it ideal for applications in residential developments, commercial offices, and other environments where comfort and quiet operation are crucial.
With the introduction of Part O in the Building Regulations, which addresses the risk of overheating in new residential buildings, the Blauberg ISO-MIX EC fan also proves to be an essential tool for compliance. Part O mandates the implementation of effective purge ventilation systems to mitigate excess heat during warmer periods. The Blauberg ISO-MIX EC’s powerful airflow capacity, combined with its low noise operation, makes it an excellent choice for facilitating the rapid expulsion of hot air while maintaining energy efficiency. This ensures that new dwellings remain cool and comfortable, particularly during heatwaves, without relying heavily on energy-intensive air conditioning systems.
For those working in HVAC (Heating, Ventilation, and Air Conditioning) design, the Blauberg ISO-MIX EC provides a reliable, high-performance solution that meets the stringent demands of the UK market. By incorporating this fan into their projects, professionals can ensure compliance with both Part F and Part O of the Building Regulations, while also supporting the creation of healthier, more comfortable indoor environments. This makes the Blauberg ISO-MIX EC not just a product, but a key component in the drive towards more sustainable, energy-efficient building designs in the UK.
ISO-MIX EC Fan Product Description:
Introducing the Blauberg Iso-Mix EC Acoustic Low Noise Mixed Flow In-Line Extractor Fan with EC Motor, a pinnacle of efficiency and silence in the world of ventilation. Available in a range of duct diameters from 100mm to 315mm, this fan sets a new standard for quiet and powerful air extraction.
Key Features:
Elevated Efficiency with EC Motor: The Blauberg Iso-Mix EC Extractor Fan features a state-of-the-art, energy-efficient German Blauberg EC motor, making it an excellent choice for those in the UK seeking a low SFP inline fan solution. Unlike traditional AC motors, EC motors are renowned for their superior energy efficiency and low specific fan power (SFP), a critical consideration in modern ventilation systems.
The EC motors not only use significantly less energy but also provide precise and consistent airflow control, essential for maintaining optimal indoor air quality. Whether for domestic or commercial use, this fan ensures effective ventilation while keeping energy consumption to a minimum, making it an ideal option for those focused on sustainability and reducing their carbon footprint.
Mixed Flow Technology: The Iso-Mix fan employs advanced mixed flow technology, coupled with high-quality German-made motors. This innovative design delivers robust airflow rates without the typical drawbacks associated with axial flow fans. With its mixed flow impeller, the Iso-Mix fan combines the advantages of both axial and centrifugal fans, ensuring greater efficiency and quieter operation.
This technology allows for higher pressure capabilities and more consistent airflow, even in systems with high resistance. Additionally, the mixed flow design reduces energy consumption, leading to lower operational costs while maintaining optimal performance in various industrial applications.
Maximum Noise Reduction: The Iso-Mix EC fan is designed for ultra-quiet operation, making it ideal for noise-sensitive environments. The fan’s casing is acoustically lined and packed with sound-absorbing mineral wool, effectively reducing noise from the air inlet, outlet, and breakout points.
Perforations along the inside of the casing further reduce both high and low octave sound, significantly lowering overall noise levels and decreasing decibel output. Inside the casing, special air straightening features minimise airflow noise, ensuring a peaceful environment without compromising on efficiency.
This means that even in demanding environments, the fan operates quietly, making it perfect for applications like HVAC systems, industrial ventilation, and residential air conditioning, all while maintaining top-tier performance and energy efficiency.
Versatile Sizing: The Iso-Mix EC fan range is designed to accommodate a wide variety of airflow requirements, with capacities ranging from 300 to 1995 m³/hour. Each fan size:100mm, 125mm, 150mm, 200mm, 250mm, and 315mm—is carefully matched to deliver optimal performance across key parameters, including airflow rate, noise level, specific fan power (SFP), and Pascal (Pa) static pressure.
This ensures that each fan size provides the perfect balance of efficiency and performance for different applications, whether it's for HVAC systems, air circulation, or ventilation ducts. With these duct diameters, you can select the ideal fit for your specific ventilation needs, ensuring efficient operation across various system designs.
Whether you're managing a small residential setup, a commercial building, or a larger industrial application, the Iso-Mix EC fan delivers the ideal balance of airflow, quiet operation, and energy efficiency, all powered by the advanced EC motor technology, contributing to sustainable energy usage and reduced carbon footprint.
Easy Installation: Designed to fit all standard duct sizes, the Iso-Mix extractor fan is equipped with a built-in mounting foot for straightforward installation. It can be integrated anywhere within a ducted ventilation system with the added bonus of reduced energy consumption. To maximise the performance and efficiency of the Iso-Mix EC, it is recommended to follow best practice installation methods.
This includes using anti-vibration mounts to minimise noise and vibration, padded noise-reducing fast duct clamps for a quieter operation, and access doors for easy maintenance and mounting.
Robust and Protected: Encased in sheet steel with a durable polymer coating, the fan's motor is water and dust protected to IP54 standards. It features thermal overload protection for added safety and durability, making it a reliable choice for efficient ventilation.
Blauberg Warranty: Backed by a 5-year Blauberg warranty, this fan exemplifies quality and reliability, ensuring your peace of mind while you enjoy the efficiency and reduced energy consumption of the EC motor.
Balancing Energy Efficiency and Acoustic Comfort
The Importance of Relevent Sound Data in Ventilation Systems
When selecting an energy-efficient ventilation system, it’s crucial to consider not only airflow and power consumption but also the system's noise levels, as indicated by sound spectrum data. This data provides detailed insights into the noise generated by the system across various frequency bands at different points, such as the inlet, outlet, and external environment. Understanding these levels ensures the system not only meets ventilation requirements but also maintains a comfortable acoustic environment, which is especially important in settings such as libraries, classrooms, and offices where noise control is paramount.
Energy-efficient systems, particularly those using electronically commutated (EC) motors like the ISO-MIX EC series, are designed to deliver high performance with minimal energy use. However, noise levels can vary significantly between systems, impacting the comfort and functionality of the spaces they serve. By carefully analysing sound spectrum data, you can select a system that minimises disruptive noise while still delivering the required airflow, effectively balancing energy efficiency with acoustic comfort.
In practice, this involves reviewing sound power levels across different frequency bands to identify potential noise concerns and planning the system's installation accordingly. A well-chosen system, informed by sound spectrum data, ensures that the advantages of energy efficiency are not undermined by unwanted noise, resulting in a more pleasant and productive environment for all.
ISO-MIX EC Sound Spectrum
| Type |
Position |
63 Hz |
125 Hz |
250 Hz |
500 Hz |
1000 Hz |
2000 Hz |
4000 Hz |
8000 Hz |
General [dBA] |
| ISO-MIX EC 100 |
Inlet |
46 |
59 |
59 |
42 |
37 |
34 |
31 |
23 |
62 |
| Outlet |
46 |
57 |
45 |
42 |
38 |
31 |
26 |
20 |
57 |
| Env. |
39 |
45 |
51 |
55 |
43 |
42 |
32 |
23 |
57 |
| ISO-MIX EC 125 |
Inlet |
51 |
65 |
65 |
46 |
41 |
38 |
34 |
25 |
68 |
| Outlet |
52 |
65 |
51 |
48 |
43 |
35 |
30 |
23 |
65 |
| Env. |
50 |
53 |
57 |
61 |
50 |
49 |
38 |
29 |
63 |
| ISO-MIX EC 150 (160) |
Inlet |
45 |
58 |
58 |
41 |
37 |
33 |
30 |
23 |
61 |
| Outlet |
47 |
58 |
46 |
43 |
39 |
32 |
27 |
20 |
58 |
| Env. |
48 |
48 |
50 |
57 |
45 |
43 |
36 |
30 |
58 |
| ISO-MIX EC 200 |
Inlet |
37 |
47 |
57 |
63 |
63 |
62 |
61 |
55 |
68 |
| Outlet |
42 |
50 |
59 |
64 |
66 |
64 |
63 |
58 |
70 |
| Env. |
31 |
43 |
53 |
61 |
56 |
53 |
47 |
37 |
63 |
| ISO-MIX EC 250 |
Inlet |
46 |
49 |
61 |
67 |
66 |
64 |
59 |
53 |
71 |
| Outlet |
47 |
55 |
64 |
72 |
70 |
67 |
64 |
57 |
75 |
| Env. |
41 |
46 |
53 |
61 |
59 |
52 |
43 |
32 |
63 |
| ISO-MIX EC 315 |
Inlet |
41 |
55 |
64 |
65 |
70 |
65 |
63 |
55 |
72 |
| Outlet |
52 |
61 |
67 |
74 |
71 |
69 |
67 |
62 |
77 |
| Env. |
33 |
48 |
58 |
60 |
63 |
57 |
50 |
38 |
66 |
The Blauberg Iso-Mix EC Acoustic Low Noise Mixed Flow In-Line Extractor Fan with EC Motor represents the perfect harmony of efficiency and tranquility. Unlike traditional AC motors, the EC motor offers substantial energy savings without compromising performance.
With its compliance with ERP 2018 energy consumption regulations, the Iso-Mix EC fan is the choice of professional installers, making it an ideal solution for new buildings where compliance with energy regulations is crucial.
Upgrade your ventilation system today with the Blauberg Iso-Mix EC Extractor Fan, where efficiency and silence combine to redefine air extraction while keeping your energy consumption in check.
Optimising Ventilation Design:
The Role of Low Specific Fan Power in Achieving SAP Compliance
When designing ventilation systems, one of the critical factors to consider is Specific Fan Power (SFP), which measures the energy efficiency of a fan system relative to the airflow it generates. Lower SFP values are essential for ensuring that ventilation systems consume minimal energy while delivering adequate airflow. This consideration is especially crucial within the UK's regulatory environment, where compliance with the Standard Assessment Procedure (SAP) and Part L of the Building Regulations is mandatory. SAP, the methodology used to assess and compare the energy performance of dwellings, places significant emphasis on energy-efficient ventilation systems to minimise energy use and carbon emissions. The Chartered Institution of Building Services Engineers (CIBSE) also underscores the importance of low SFP in its guidelines, recognising its role in reducing a building's overall energy consumption and carbon footprint. By prioritising low SFP in ventilation design, architects and engineers can meet these stringent regulations, ensuring that their projects align with the broader goal of creating energy-efficient, sustainable buildings.
The Blauberg ISO-MIX EC series of in-line extractor fans perfectly aligns with the energy efficiency objectives set out in SAP and Part L of the Building Regulations. With models like the Iso-Mix EC 100 and Iso-Mix EC 125 boasting exceptionally low SFPs of 0.39 W/(l/s) and 0.35 W/(l/s) respectively, these fans demonstrate how advanced ventilation solutions can support SAP compliance by minimising energy consumption. The chart below illustrates the performance of various models within the ISO-MIX EC range, highlighting their suitability for projects where low SFP is critical. These fans deliver high airflow (up to 554 l/s in the Iso-Mix EC 315 model) while maintaining low noise levels and achieving the low SFP values essential for both SAP and Part L compliance. By integrating these high-performance, energy-efficient fans, building professionals can ensure that their projects not only meet regulatory standards but also contribute to the development of sustainable, comfortable, and compliant indoor environments.
Blauberg Iso-Mix EC: High Airflow, Low Noise, and Energy-Efficient Inline Fan Performance
| Model |
Max Airflow |
Max Airflow |
Low Sound @ 3m |
Low Specific Fan Power |
| Iso-Mix EC 100 |
300 m³/h |
83 l/s |
37 dB(A) |
0.39 W/(l/s) |
| Iso-Mix EC 125 |
465 m³/h |
129 l/s |
43 dB(A) |
0.35 W/(l/s) |
| Iso-Mix EC 150 |
602 m³/h |
167 l/s |
38 dB(A) |
0.39 W/(l/s) |
| Iso-Mix EC 200 |
1095 m³/h |
304 l/s |
43 dB(A) |
0.46 W/(l/s) |
| Iso-Mix EC 250 |
1500 m³/h |
417 l/s |
43 dB(A) |
0.47 W/(l/s) |
| Iso-Mix EC 315 |
1995 m³/h |
554 l/s |
46 dB(A) |
0.55 W/(l/s) |
Experience Quiet, Efficient Ventilation with Blauberg ISO-MIX EC
Enhance your ventilation systems with the Blauberg ISO-MIX EC Acoustic Low Noise Mixed Flow In-Line Extractor Fan. Designed with state-of-the-art EC motor technology, this fan provides exceptional noise reduction and energy efficiency, making it the ideal choice for building services engineers, ventilation specialists, housebuilders, and architects across the UK.
The ISO-MIX EC is highly adaptable for various installation needs, ensuring seamless integration into any project while maintaining optimal airflow with minimal sound disturbance. For dependable, high-performance ventilation that meets the rigorous standards of modern British construction, choose the Blauberg ISO-MIX EC.
Energy-Efficient Ventilation in High-Performance Buildings: FAQs
Frequently Asked Questions
How do UK Building Regulations impact energy-efficient ventilation system design?
UK Building Regulations, particularly Parts L (Conservation of Fuel and Power) and F (Ventilation), mandate that buildings adhere to strict standards for energy efficiency and indoor air quality. Ventilation systems must be designed to optimise energy consumption while ensuring adequate air exchange rates, complying with these regulatory requirements. This includes considering factors such as thermal performance, carbon emissions, and air permeability to meet standards like the Standard Assessment Procedure (SAP) and BREEAM ratings.
What are the best ventilation strategies for the UK's temperate climate?
The UK’s temperate climate benefits from a mix of natural and mechanical ventilation strategies. Mechanical ventilation systems that incorporate features like variable air volume (VAV) and hybrid ventilation are effective at adapting to seasonal weather variations, helping to minimise energy consumption and improve building energy performance. These systems also align with the requirements of the Chartered Institution of Building Services Engineers (CIBSE) guidelines.
How can ventilation systems help achieve the UK's net-zero carbon targets?
Energy-efficient ventilation systems contribute to the UK's net-zero carbon goals by reducing overall energy demand in buildings. This is achieved through the integration of energy-efficient EC motors, heat recovery technology, and smart controls, all of which are essential for reducing operational carbon emissions. Additionally, using ventilation systems that are compatible with renewable energy sources helps meet sustainability benchmarks like the London Plan and Climate Change Act targets.
What challenges does building airtightness in the UK pose for ventilation design?
Increased airtightness in UK buildings, driven by requirements for reduced energy loss and improved thermal insulation, can lead to poor indoor air quality if not properly managed. Controlled ventilation systems that include mechanical ventilation with heat recovery (MVHR) are crucial in maintaining air quality without sacrificing energy efficiency, essential for meeting Passivhaus standards and other low-energy building certifications.
How can heat recovery systems be optimised for energy efficiency in UK buildings?
Heat recovery is essential in the UK’s climate to minimise heat loss during ventilation. High-efficiency heat recovery systems, such as those incorporating counterflow heat exchangers or enthalpy wheels, can capture and reuse a significant portion of the heat that would otherwise be lost, greatly improving the energy efficiency of the building. These systems contribute to achieving low U-values and high Energy Performance Certificate (EPC) ratings.
What are best practices for demand-controlled ventilation in UK commercial buildings?
Demand-controlled ventilation (DCV) adjusts airflow based on occupancy or air quality levels, which is key in reducing energy usage. Implementing DCV in commercial buildings ensures that ventilation is used only when necessary, conserving energy and improving operational efficiency. This approach aligns with best practices outlined by the Building Regulations and CIBSE guidelines, enhancing the building’s overall energy performance.
How does the UK’s energy grid influence ventilation system choices?
As the UK transitions towards a more renewable energy grid, energy efficiency in building systems becomes even more critical. Ventilation systems that are energy-efficient reduce dependency on the national grid and can integrate with renewable energy sources, supporting more sustainable building designs. This is particularly relevant for achieving compliance with the UK’s net-zero strategy and reducing operational carbon footprints.
What should be considered when retrofitting UK buildings with energy-efficient ventilation?
Retrofitting older buildings in the UK requires careful consideration of space constraints and existing infrastructure. Energy-efficient ventilation systems that are compact and versatile can be easily integrated into existing building systems, making them suitable for retrofit projects. These solutions should also meet the requirements of the Retrofit for the Future initiative and the Energy Savings Opportunity Scheme (ESOS).
How can smart technologies optimise ventilation systems in the UK?
Smart technologies, such as IoT-enabled sensors and automated building management systems (BMS), are increasingly important in optimising ventilation. These technologies enable real-time adjustments to ventilation settings, maximising energy efficiency while maintaining optimal indoor air quality. Integration with systems like the Energy Performance of Buildings Directive (EPBD) is also beneficial for meeting regulatory compliance and improving building performance.
What are the cost implications of energy-efficient ventilation systems in the UK?
Although the initial investment in energy-efficient ventilation systems may be higher than traditional options, the long-term energy savings and compliance with UK regulations often result in significant cost benefits. Additionally, these systems may qualify for government incentives and grants, such as the Green Homes Grant and Enhanced Capital Allowance (ECA) scheme, further offsetting initial costs.
