Top Marks for Classroom Ventilation: Introducing the Infinity® ClassFlo® CF350 Posted on 21/08/202526/08/2025 by Ella Walker Our latest decentralised heat recovery unit for classrooms, the Infinity® ClassFlo® CF350, has now officially launched – allowing schools nationwide to immediately create healthier, quieter, and more efficient learning spaces.Purpose-built for education settings, this unit combines high-performance engineering with intelligent control to deliver cleaner air, lower energy bills, and quieter learning environments.Whether your school is planning maintenance during the next half- or full-term break, or wants to upgrade as soon as possible, the CF350 is available now and primed to make an instant difference.The benefits of the Infinity® ClassFlo® CF350From mainstream classrooms to special educational needs (SEN) environments, the CF350 is tailored to meet the complex needs of modern education settings.It meets the latest standards for school ventilation and building performance, including BB101, BB93, Approved Document F, and Approved Document L. So excellent indoor air quality, thermal comfort, and sustainability are all guaranteed.This system provides 100% fresh, filtered air with no recirculation or mixing, helping keep classroom CO₂ levels below the recommended daily average of 1,000 ppm. For pupils, this translates into better concentration, less fatigue, and more productive learning environments.Understanding the full tech specsThe CF350 is a high efficiency counterflow heat exchanger available in above ceiling and below ceiling configurations with either left- or right-hand access. Installation is straightforward, with top and bottom access for maintenance and most sensors housed within the unit itself to reduce additional setup costs.Once installed, intelligent controls make operation a breeze. Remote access via Bluetooth or NFC means no specialist tools are required. The unit also integrates with building management systems via Modbus, with BACnet compatibility available on request.Once in place and fully operational, each CF350 unit:Recovers up to 88% of heat, reducing the need for additional heating or cooling Uses up to 52% less classroom energy compared to low-efficiency or hybrid systems Delivers up to 78% greater energy efficiency Offers full heat recovery with consistent temperatures and ventilation, even during winter and summer peaks Meets the 30 dB(A) requirement for SEN sensory spaces, vital for pupils with auditory sensitivities or hearing impairments. Ensures noise stays low via a double-skinned construction with acoustic insulation Supports respiratory health and school attendance with high-efficiency F7 and M5 filters removing pollutants, allergens and fine particles from the air Optimises comfort with four seasonal operating modes, including heat exchange and free coolingThe CF350: ready when you areWhether you’re upgrading a single classroom or planning a site-wide rollout, the CF350 can be installed with minimal disruption.If your school also needs ventilation solutions for kitchens, toilets, shower areas or communal spaces, Air Vent Technology has a full range of systems to support your project.Download the Infinity ClassFlo CF350 brochure today and get in touch to discuss your next steps.
Vertical heat recovery units: 5 benefits and incentives for your next installation Posted on 16/08/202322/08/2023 by Laura Slegg Could a vertical heat recovery unit (HRU) make your building – and the planet – a healthier, happier place to be?When it comes to making a property more energy efficient and reducing its carbon footprint, few choices will have a bigger impact than its heating and cooling system. At the same time, there is an increasing awareness of the dangers of poor air quality and the need to provide healthier indoor environments. That’s why HRUs have never been in a stronger position.Here are five environmental benefits and incentives for choosing a vertical HRU in your next retrofit or new build project.1 Use less energyWith up to 90% efficiency, our vertical heat recovery units include heat exchangers and can therefore retain up to 85% of your property’s energy.Further steps can also be taken to ensure a HRU operates at its maximum possible efficiency. Selecting a unit fitted with EC motors will enable lower energy usage than those using traditional brush motors. A top-up heater battery can also raise the temperature from the plate heat exchanger, ensuring fresh air is delivered at the correct temperature for the space.2 Generate lower greenhouse gas emissionsAccording to government figures, the built environment makes up 25% of the UK’s total greenhouse gas emissions.If your building currently relies on central heating or other high energy options, a vertical heat recovery unit can make a noticeable impact in your carbon footprint. HRUs provide heat without any need to use gas. To compound that benefit, the electricity needed to power a HRU can be generated from 100% clean and renewable sources. Installing a HRU is an easy way to contribute to creating a more sustainable planet and help the UK meet its target of a 68% reduction in carbon emissions by 2030.3 Enjoy increased indoor air qualityPoor air quality is one of the biggest health issues facing the industrialised world and tackling dangerous levels of pollutants is a key aim of the World Health Organization, which has set a target for PM2.5 of 10 µg/m3 (WHO-10) by 2030.In indoor environments, poor air quality can contribute to both allergies and respiratory problems. But modern HRUs are equipped to handle this issue much more effectively than traditional ventilation systems.HRUs installed today contain powerful filters that remove allergens and pollutants before they have a chance to circulate in your building, thereby protecting those living and working in the property from potentially severe health consequences. They are also designed to operate with 100% fresh air, so contaminated internal air is never recirculated.4 Access financial incentivesIn recent years, the UK government has used financial incentives to try to encourage the installation of vertical heat recovery units. Schemes like the Domestic Renewable Heat Incentive (RHI) and the Green Homes Grant were powerful persuaders, convincing many to make the necessary investment.Today, those schemes are no longer active. But the government is still planning to spend the surplus budget allocated to those schemes on other green measures. Keep an eye out for local authority grants: these are expected to come increasingly to the fore.5 Mitigate the effects of global warmingTemperature extremes are part of our new reality. In the summer of 2022, the UK baked in temperatures exceeding 40°C. The following year saw July 2023 confirmed as the hottest month ever recorded. The global mean surface air temperature record was broken on four consecutive days.Thankfully, heat recovery units are dual purpose. As well as providing heat during the colder months, they can also cool a property’s air during warmer periods. This is likely to prove invaluable if further heat waves occur.It’s time to invest in vertical heat recovery unitsIf you’re looking for a heating and cooling solution that improves air quality, minimises energy use, and creates a more sustainable environment, vertical HRUs are your best choice.View our full range of market-leading vertical HRUs today.
How to reduce your energy bills in 2023 with good ventilation Posted on 03/02/202317/08/2023 by Ella Walker Could good ventilation be the way to lower your energy bills as the UK’s battles with the cost-of-living crisis?For many people, ventilation might not seem an obvious starting point when energy prices are sky high. But improving a building’s ventilation can significantly contribute to reducing energy bills.If you’re a residential developer, homeowner, or commercial building owner, investing in good ventilation could be a strategic and prudent choice as energy costs continue to soar. Here are three of the most effective ways to use ventilation to put more money in your pocket.Install modern heat recovery unitsInvesting in a modern heat recovery unit has two main impacts. First, it improves the air quality and thermal comfort inside a property. But it also helps to reduce your overall energy costs, because fitting a system with a heat exchanger can mean up to 85% of your property’s energy is retained.The heat exchanger acts as a highly efficient way to maintain internal temperatures. As stale air leaves your building, the heat exchanger captures the warmth from that outgoing air. It then transfers that warm energy to the cool air coming into your building from the outside. Heat recovery units can dramatically reduce a building’s reliance on central heating or other high energy options.Choose heat recovery units with pre-heatersIf the air from the outside is particularly cold, this can place a greater strain on the heat exchanger. But there is an answer. A pre-heater on a heat recovery unit cools the outdoor air before it reaches the heat exchanger, thereby making it easier and quicker to heat it to the required internal temperature.Use EC motors in your heat recovery unitWhile a typical heat recovery unit is very efficient at retaining heat, it still needs energy to power it. Choosing a heat recovery unit fitted with EC motors helps to improve the operational efficiency of the unit because the motors can run at lower temperatures than traditional brush motors. As a result, the overall energy spend for running the heat recovery unit is lower than if you opt for a model without EC motors.Air Vent Technology’s range of heat recovery units features some of the best and most energy efficient models on the UK market. View the full range today.
