HVDS BLOG

Our experts here at HVDS publish regular blog posts about the issues that matter to you most with regard to Indoor Air Quality on site. We cover the latest information on air filtration and ventilation, dust, fume, mist, spray and oil extraction, food safety, audit compliance, HVAC and LEV system hygiene, repair and maintenance, employee health and safety, air monitoring and testing – plus all the latest company news from HVDS.

Latest Posts

  • in Air Filtration, Ductwork Cleaning, NEWS

    AHUs for the Food Industry – What Makes Them Different?

    In food production sites, environmental air must be of a specified quality in terms of temperature, particle concentration and humidity. Additional controls are required for the manufacture of certain products and for high care production areas, in order to reduce the risk of contamination. Controlling the properties of indoor air can help to reduc...
  • in Air Filtration, Ductwork Cleaning, Dust Extraction, NEWS

    Food Safety Europe Success

    It was a long day and we got up very early to attend (4am!) but Food Safety Europe 2020 was as useful, relevant and informative and as we had hoped. If you have any sort of responsibility for food safety in your organisation, you might want to consider attending this event next year. It’s a...
  • in NEWS

    In the Spotlight: Darren Carvell

    HVAC and Dust Extraction Consultant, Darren Carvell, has been working at HVDS for almost two years. We interview Darren to find out more about him and understand what makes him tick. What is your role at HVDS? I help to look after customers on the supply side of the business. I also work with new...
  • in Air Filtration, NEWS

    Get 20% Off Food Safety Europe 2020 Tickets

    Since we are speaking as a Thought Leader at Food Safety Europe 2020, we are able to offer you 20% off a ticket to the event. Food Safety Europe 2020 takes place on Wednesday 12th February at County Hall in London. It is a BRCGS event for food safety professionals and all those who are...
  • in Air Filtration, Ductwork Cleaning, NEWS

    Annual Survey 2019 Results

    Thank you to all who completed the HVDS Annual Survey about Indoor Air Quality (IAQ). Your responses help us to understand even better the market for air filtration and ventilation in the food industry. Here are the Annual Survey 2019 results. Number of AHUs Almost three quarters of respondents have between 1 and 20 Air...
  • in Air Filtration, Ductwork Cleaning, Dust Extraction, NEWS

    HVDS Engineers Star in Film!

    This week we filmed our new corporate video on location at customer premises. We captured footage of our engineers doing what they do best, such as testing LEVs, changing air filters, conducting surveys, cleaning ductwork, maintaining air socks, monitoring workplace air and inspecting air handling units. The video was shot at a UK food factory...
  • in Air Filtration, Ductwork Cleaning, NEWS

    What Lurks Inside Your Ductwork?

    You could be forgiven for thinking that your ductwork is as clean as a whistle. After all, it looks it from the outside, doesn’t it? But HVDS engineers, who have helped customers the length and breadth of the country, know that external appearance can be deceptive. Our Hygiene Team have removed a variety of substances...
  • in Air Filtration, Ductwork Cleaning, Dust Extraction, NEWS

    What 2020 Has in Store For HVDS

    2019 was a very busy and successful year for HVDS and 2020 will see us building on that growth. Here is what is in store for the company this year. New Members of Staff We welcome Christian Taylor, who joins our dust extraction team as Projects and Contracts Engineering Manager. Christian will be helping customers...
  • in Air Filtration, NEWS

    HVDS Will be Exhibiting at Foodex 2020

    We are delighted to be attending Foodex again this year! Foodex 2020 is the UK’s premier trade event for the food and drink industry and is aimed at manufacturing professionals in the processing, packaging and logistics industries. It takes place from 30th March to 1st April 2020 at the NEC in Birmingham. As a real...
  • in NEWS

    Christmas Jumper Day 2019 at HVDS

    Today, we set out to “make the world better with a sweater”. We put on our best Christmas jumpers, Santa hats and sparkly accessories to help raise money on Christmas Jumper Day 2019 for Save The Children. Needless to say, we thoroughly enjoyed dressing up for the day and helping to make a difference. If...
  • in NEWS

    End Of Year Best Wishes & Thank Yous

    We would like to thank all our customers for their continued business and support over the last year. Thank you also to our dedicated staff, who continually go the extra mile to always deliver the best service possible. 2019 has been a year of massive growth for HVDS with an increasing number of contracts with...
  • in NEWS

    A Celebration of Christmas Food

    Since the majority of our air filtration customers are in the food industry and their production is currently in full swing for Christmas, we thought we’d take a look at the history of some of the traditional fare we eat here in the UK over the festive season. We were surprised to find that a...
  • in Air Filtration, NEWS

    HVDS Risk Assessment – A Framework For Compliance

    We often find that people don’t understand what their obligations are with regard to Indoor Air Quality (IAQ) on site. This can apply to anyone responsible for clean air in a production facility – Factory Managers, Operations Managers, Engineering Managers and Hygiene Managers alike. Furthermore, different areas of a production facility (pack...
  • in Air Filtration, NEWS

    Get Ahead: Book Your New Year AHU System Clean Now

    After handling an increased volume of production in the run-up to Christmas, many food and beverage manufacturers turn their attention to some routine cleaning and maintenance early in the new year. Air handling systems, in particular, can benefit from a bit of TLC, and at HVDS, we recommend a review of requirements, followed by a...
  • in NEWS

    A Focus On Staff Training

    At HVDS, we take staff training and Continuing Professional Development (CPD) very seriously for all employees, from office staff to our engineers who are mainly out on the road visiting customer sites. Each member of staff has a Training Plan, which is regularly monitored and reevaluated to ensure that staff have the knowledge and skills...
  • in Dust Extraction, NEWS

    HSE Revises Guidance Regarding Welding Fume

    Why Has Welding Fume Guidance Been Revised? In February this year, HSE issued a safety alert about a change in control requirements for exposure to welding fume, including fume from mild steel welding. This was as a result of new scientific evidence from the International Agency for Research on Cancer that exposure to mild welding...
  • in NEWS

    HVDS Annual Survey 2019

    Aim of the Annual Survey The HVDS Annual Survey aims to give us a better understanding of our customers’ air filtration and ventilation requirements. And this market research will allow us to tailor our service to the needs of our customers, providing them with an even better service, as well as keeping us ahead of...
  • in Dust Extraction, NEWS

    Food Factory Powder Explosions and How to Prevent Them

    This article looks at the combustible nature of powdered food substances and how to prevent explosions. The Danger of Ingredient Dust and Powder One of the most overlooked aspects of working with ingredients in a food production facility, is the fact that some ingredients have the propensity to cause explosions. These substances include, for exampl...
  • in NEWS

    We Are an Avetta Accredited Supplier

    HVDS is an Avetta accredited supplier. Avetta, formerly PICS Auditing, is an organisation for companies that need formalised supplier pre-qualification to ensure that those contractors conform to health and safety, environmental and other legislation in order to minimize risk, maintain a safe environment and reduce organisational liability. Avetta ...
  • in NEWS

    Team Discuss Customer Confidence Success On Video

    In a week when we engaged a film company to produce a new corporate video for our website, we also found ourselves shooting a video with professional training and coaching company, Objective Assessment, about how our customer-focused sales cycle has further raised customer confidence in HVDS and the services we provide. ‘Stars of the screen’...
  • in Air Filtration, NEWS

    HVDS is Speaking at Food Safety Europe 2020

    We are delighted to be speaking as a ‘Thought Leader’ at the BRCGS Food Safety Europe 2020 conference on 12th February. The one-day conference, which will be held at Etc Venues County Hall in London, will be examining European food safety management in food manufacturing, food service and retail environments. Having attended Food Safety...
  • in NEWS

    5 Fabric Ducting Tips for Optimum Indoor Air Quality

    Fabric ducting is a versatile and more efficient alternative to metal ducting in food production plants. As well as being easy to install and configure to a bespoke layout, they can increase the primary air flow rate compared with standard air ducting. But how to get the most from your air socks? We look at...
  • in NEWS

    Team Photos for HVDS

    We recently had a team photo session at HVDS. The aim was to get some good shots of HVDS staff members for the website and for some of our new printed materials too. At 7 in the morning, both the office staff and the engineers gathered in the car park for a quick photoshoot before...
  • in Ductwork Cleaning, NEWS

    Air Sock Hygiene for Food Manufacturers

    Our food production customers enjoy the many benefits of fabric ducting. Fabric ducting, or air socks are: Fast to install due to their lightweight design, More efficient, having the ability to increase the primary air flow-rate by almost 50 times that of standard air ducting, and Flexible, so their layout can be tailored to accommodate...
  • in Dust Extraction, NEWS

    Different Types of Dust Explained

    According to the World Health Organisation (WHO), “Dusts are solid particles, ranging in size from below 1 µm (micrometre) up to at least 100 µm, which may be or become airborne, depending on the origin, physical characteristics and ambient conditions.” Dust can be created by manual processes, such as cutting, crushing and grinding and particles...
  • in Dust Extraction, NEWS

    Are you Fulfilling Your Employer Responsibilities For LEV Testing?

    Local Exhaust Ventilation (LEV) systems control substances hazardous to health and every company providing LEV extraction equipment has a legal requirement to comply with COSHH Regulation 9, in order to protect its employees. “Proper maintenance is a vital part of any control regime and inspectors and enforcement officers should ensure that employe...
  • in Dust Extraction, NEWS

    What Bakeries Need to Know About Flour Dust

    Flour and ingredient dust significantly affect the Indoor Air Quality (IAQ) in bakeries and therefore, constitute a potentially serious hazard in the industry. In March 2017, the Federation of Bakers updated their guidance on controlling dust within bakeries. COSHH lists the following to be substances hazardous to health in baking: Flour dust Dusts...
  • in NEWS

    HVDS Growth Continues

    From 2016 to 2017, HVDS doubled in size – and we are continuing to grow! In the last 18 months, HVDS have taken on 11 engineers and 5 members of office staff. This year alone, we have been pleased to welcome additions to our rapidly expanding dust extraction team and are currently also in the...
  • in Dust Extraction, NEWS

    LEV Qualifications For HVDS Team

    At HVDS, we have a very dedicated team of specialists in dust extraction. Their commitment to our customers is second to none. So when they gain their BOHS LEV qualifications and pass their exams with flying colours, we can only feel a sense of great pride in the knowledge that they will be using their...
  • in NEWS

    Celebrating Clean Air Day 2019

    A look at how the team celebrated Clean Air Day 2019, and why clean air is important for food manufacturers. ...
  • in Air Filtration, NEWS

    Case Study: Investigating Poor Airflow

    At HVDS we help clients in the Food Industry with cleaning and maintenance of air filtration and extraction systems. Our teams work to ensure that systems are suitable for use, hazard free and audit compliant. In this instance, our team were called to investigate a case of poor airflow. The brief: The HVDS team were...
  • in Air Filtration, NEWS

    INFOGRAPHIC: 5 Benefits Of An Air Filter Audit

    In this infographic we take a look at Air Filters in relation to Audit Compliance, and the benefits you will gain from having an air filter audit carried out. For a more in-depth look at Audit and Compliance, and whether your Air Filter Systems are up to scratch, click here....
  • in Air Filtration, NEWS

    Audit and Compliance: Are Your Air Filtration Systems Up To Scratch?

    Air filtration and maintaining healthy Indoor Air Quality (IAQ) levels are two of the many different operational functions for which companies are responsible. However, often these important areas are overlooked due to other perceived priorities or deferred maintenance. This is simply bad practice, not only from a financial standpoint but also from...
  • in Dust Extraction, NEWS

    INFOGRAPHIC: Dust Control – What You Need To Be Checking

    In this infographic we take a look at Dust Control Systems, and what you should be checking as part of your regular maintenance schedules. For a more in-depth look at the following points, click here: 1.) How Dust Control Systems work 2.) Prevention and maintenance of poorly kept systems 3.) How Dust Control can affect...
  • in Ductwork Cleaning, NEWS

    Before and After: Extract Flue Cleaning – Why Is It So Important?

    At HVDS we help clients in the Food Industry with cleaning and maintenance of air filtration and extraction systems. Our hygiene teams work to ensure that systems are suitable for use, hazard free and audit compliant. A typical job for us that meets this criteria is Extract Flue Cleaning. A typical brief: Customers typically request...
  • in Ductwork Cleaning, Dust Extraction, NEWS

    Before and After: Dust Control – Why Is My DEU Not Extracting Properly?

    At HVDS we get a lot of enquiries from customers regarding maintenance and investigation into their current systems. It is during these investigations and surveys that we come across situations like this one. The brief: A customer requested we investigate the reason behind a lack of extraction from their Dust Extract Unit (DEU) in their...
  • in Dust Extraction, NEWS

    HSE Safety Alert: Change in Enforcement Expectations for Mild Steel Welding Fume

    The HSE have issued the following safety alert: ‘Change in Enforcement Expectations for Mild Steel Welding Fume’ Summary: There is new scientific evidence from the International Agency for Research on Cancer that exposure to mild steel welding fume can cause lung cancer and possibly kidney cancer in humans. The Workplace Health Expert C...
  • in Air Filtration, NEWS

    Air Handling Units: Why Anti-Vibration Mounts Need To Be Installed Correctly

    When carrying out a survey on some Air Handling Units (AHUs) at a food manufacturer & processor recently, we came across this scenario; the AHU fan’s anti-vibration mounts had either completely come off or were not installed correctly. With the fan still running and providing good airflow, it can lead you to believe that the...
  • in NEWS

    HVDS To Attend Food Safety Europe 2019

    While clean air is a key ingredient to every part of the food and beverage manufacturing process, it is not the only ingredient involved if you take a filters only approach to clean air. Come and join us at Food Safety Europe 2019 where HVDS will be speaking to delegates about the need for a...
  • in Dust Extraction, NEWS

    Dust Control: Why It Is So Important

    The food processing industry, along with other industries such as medical and pharmaceuticals, has the necessity for clean rooms that can monitor particle count, type, and size, and therefore require dust controls systems to remove potentially dangerous particles from the air that can cause an explosion and are also necessary for the breathing safe...
  • in Air Filtration, NEWS

    Air Handling Units in Slaughterhouses

    One of our engineers posted some great images on LinkedIn last week showing some of the work done by HVDS’s cleaning team at one of the UK’s largest abattoirs. So, with that in mind, we thought we would take a closer look at some of the challenges that slaughterhouses face and why it is important...
  • in Air Filtration, NEWS

    Air Handling Maintenance: The Key Benefits of a Site Survey

    Finding someone that satisfies your maintenance needs on site can be a real challenge in the fast-paced world of Food Processing. Even more so when you place your trust in a provider, and take it on faith that they will carry out spot checks and surveys correctly. Sadly, this is not always the case, and...
  • in Ductwork Cleaning, NEWS

    Air Filter & Ductwork Inspection: Are you aware of what is lurking behind?

    Here at HVDS we are often asked to look at air filters, ductwork systems and issues with airflow. There are many issues that can be lurking behind causing trouble for food manufacturers. Here we take a look at a couple of cases where our help has been invaluable. HVDS were recently asked to look at...
  • in NEWS

    What will keep the food processing industry awake at night in 2019?

    As we look forward to the New Year, hopefully with renewed energy and confidence, we thought we would look at the real challenges facing the food processing sector in 2019. In other words, what is really keeping the industry awake at night. We believe there are three key challenges, not entirely unrelated, and they are:...
  • in Air Filtration, NEWS

    Air Filters In Food Production

    We can all agree that consumer protection is one of the major concerns in the food processing industry. Food contamination can adversely affect human health as well as resulting in a loss of consumer confidence and damage to branding and customer loyalty. In order to avoid these pitfalls, companies operating in the food and beverages...
  • in NEWS

    Fabric Ducts in Food Processing Plants

    Fabric ducts in the food processing environment help to generate a healthier and more hygienic atmosphere by improving indoor air quality (IAQ) and an optimised air distribution. And we know that improved IAQ has proven to significantly increase labour productivity and reduce sickness related absence, and the costs associated with the correlated do...
  • in NEWS

    A Guide to Heat Recovery Systems

    Heat Recovery Systems – what are they and how do they work? In simple terms, heat recovery systems work by drawing on the potentially valuable warm air or water in a factory, and getting it to work just a little bit harder. The heat exchanger is the brain of the heat recovery system, moving the...
  • in NEWS

    Improving Supermarket Shelf Life

    Waste is a significant problem in food supply chains. There is potential for spoilage of food products at any stage of the supply chain when the products reach their “best before” or “sell by date”. As a key to the food waste problem, there is a trend towards developing shelf life solutions that are intended...
  • in NEWS

    Cross Contamination in the Food Industry

    There is no doubt that preventing cross-contamination in food processing plants is a formidable challenge. Food processors face an enemy they can’t see and one that can cause big problems to production and profitability. However, it is the responsibility of the plant manager to firstly ensure that all staff both understand and comply with the...
  • in NEWS

    Brexit and the Food Industry

    Whatever one’s views of Brexit and whether or not you were a “Remainer” or a “Leaver”, it is safe to say that most people – businesses and individuals – outside of the Westminster bubble just want to get on with our withdrawal from the EU. But what are the implications of Brexit on the food...

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