HVAC Articles

  • In the aeration tank, the turbo provides ventilation

    Robust in operation: at Emsbüren, the AERZEN turbo saves quite a lot of energy At Emsbüren wastewater treatment plant, Wasserverband Lingener Land invested in new blower technology for the aeration tank. In comparison with the old assembly, the turbo blower made by AERZEN saves between 100 and 200 kilowatt hours every day. Modernisation of wastewater treatment plants in order to ...

  • Data Centre CRAC unit efficiency improvements

    One of the main types of project Munters look at is energy efficiency improvements within the thermal management side. One of the easiest changes that can be made is swapping out the old AC powered motors for EC powered impellors. the reductions in energy is considerable, with some older belt drive unit changes measuring a saving of over 60% this is due to the design of the new impellors and the ...


    By Munters

  • UV Light Treatment for HVAC Systems

    Ultraviolet (UV) light can be applied to support numerous applications in a broad range of industries. In commercial paint spray booths and label manufacturing plants, UV lamps are used to streamline paint jobs and the printing of logos. Outside of such practices, the light source may also be utilized to eradicate harmful, disease-causing bacteria. Systems that rely on the light’s ability ...


    By Larson Electronics LLC

  • Without Small Data, Big Data and Cloud-Based Software are Useless to HVAC Maintenance

    Yes, the facility management industry has entered the age of ‘big data’ where extremely large data sets are being collected and analyzed to reveal patterns, trends, and associations, primarily between HVAC equipment and energy optimization. However, “Big Data” may be the most worn out catchphrase ever. When you think “big” you think Wall Street, the ...

  • DESMI Pumps for HVAC in Sharjah, UAE - Case Study

    DESMI has supplied a series of eight NSLH End Suction Centrifugal Pumps for the Umm Al-Qura building located in Sharjah at the Al Mamzar beach. The NSLH pumps will be providing 198 differently sized apartments with cooling. The residential building has 22 floors + 5 floors for car ...


    By DESMI A/S

  • Explosion Proof UV Lights for Commercial and Industrial HVAC systems

    In the past decade, more and more people have been installing UV lights in their HVAC systems to eradicate harmful bacteria. A timely study from Duke University Medical Center has proven the effectiveness of using UVC bands to disinfect a myriad of dangerous microbes, including drug-resistant bacteria, such as Acinetobacter, Clostridium difficile and vancomycin-resistant enterococci (VRE). During ...


    By Larson Electronics LLC

  • Why Chiller Efficiency and Maintenance are Key Facility Investments

    Typically, a chiller is the single largest consumer of power and most expensive piece of equipment in a building, so it’s logical to allocate time and budget towards energy efficiency and equipment maintenance. Without routine chiller maintenance, energy usage can double in just a ...

  • Easy Access to Savings on Board Ships - Case Study

    Grindrod Shipping, owner and manager of IVS and Unicorn Tankers, has installed OptiSaveTM on board 9 vessels; 7 bulk carriers and 2 tankers and more will follow. The co-operation with IVS goes back to 2009 and the first OptiSaveTM system was installed on board one of the bulk carriers soon after. “We have a great co-operation with DESMI and ...


    By DESMI A/S

  • Case study - Even during the cold period I turn off heating at day 13!

    Two years ago Mr. Piljan from Boljevci in Serbia bought a DACS ventilation system for one of his existing 4 houses. The aim was to find out which ventilation system to choose for his new houses that he was about to build. - I cannot say that I was dissatisfied as such with the existing ventilation system as what I had was a system similar to that of all my colleagues: minimum/medium ventilation ...


    By DACS A/S

  • BACnet Interface for VFD Drive in HVAC

    Area of engagement Enable BACnet MS/TP support for VFD Drive in HVAC Solution The Client Leading OEM of AC Drives, Machine controllers, Robotics, Automation systems Overview Client was looking for a solution to enable BACnet MS/TP interface for its VFD drive in HVAC system. In addition, client also wanted support in ...


    By SoftDEL Systems

  • How to Extend the Life of Your HVAC System

    How to Extend the Life of Your HVAC System  The Heating, Ventilation, and Air Cooling or HVAC system that you’ve installed in your house ensures comfort and clean air indoors for the entire family. It’s also probably one of the costliest systems in your home. So it only makes sense that you’d want to get the most out of it before it starts to show any wear, and prolong its ...


    By Filter Buy

  • Advice from HVAC experts!

    HVAC systems (cooling and heating) can use 60-70% of the overall energy in your facility. Proper maintenance is one of the key recommendations for maintaining your system’s performance. To really help extend the life of your system, it could be something as simple as changing and cleaning the filters regularly. If you have a ...

  • Can low-income housing be energy efficient and affordable?

    Residents of low-income housing need energy efficiency more than others, but are less likely to be able to afford it. How to escape the Catch-22? In Ann Arbor, Michigan, the local housing commission is completing floor-by-floor renovations in the five-story Baker Commons public housing ...


    By Ensia

  • Confused about Carbon Monoxide and Ventilation?

    How does it affect you, the Building Owner and HVAC Contractor? There has been a lot of press regarding Carbon Monoxide Detectors (CO) and Smoke Detectors in the news over the past year. In most cases, this is justified and certainly the attention and awareness is important. As a contractor though, how does this affect you and the HVAC market place? It’s important to understand the ...


    By Arjay Engineering Ltd.

  • Simple guides will help businesses save money and energy

    Zero Waste Scotland has launched two new, easy-to-use guides to help businesses to improve their bottom line figures, just by following some simple energy-saving tips. The Resource Efficient Scotland Myth Busters and ...


    By GLOBE Foundation

  • Case study - At Bertucci`s, SiteSage pays for itself in under 1 year

    Challenge: Get energy costs under control Locations: 3-store Pilot, followed by 10 more locations; planned rollout at all 89 locations Scope: HVAC control & management, equipment performance monitoring & diagnostics, food safety monitoring Results: 12% electricity use reduction, 8% gas use reduction, 11 month payback In 2013, Bertucci’s, a Massachusetts-based operator of 89 ...


    By Powerhouse Dynamics

  • The mills grind efficiently

    The – “Milser Mühle“ – has relied on AERZEN for 50 years When the Borgstedt Family took over the Milser Mühle 130 years ago, at first, it only produced feed material, and then, from 1918, it started to produce flour for human food. “Therefore we selected oilfree compressing AERZEN Positive Displacement Blowers of series GM as conveying air producer ...

  • Methane emissions and airflow patterns along longwall faces and through bleeder ventilation systems

    The National Institute for Occupational Safety and Health (NIOSH) conducted an investigation of longwall face and bleeder ventilation systems using tracer gas experiments and computer network ventilation. The condition of gateroad entries, along with the caved materials permeability and porosity changes as the longwall face advances, determine the resistance of the airflow pathways within the ...


    By Inderscience Publishers

  • How Downdraft Tables Change Your Work Environment

    Working with metal and wood results in the release of harmful dust particles into the atmosphere, which is dangerous to the workers’ health. Continuous exposure to these particles means your employees will be breathing in the dust, which can lead to both short and long term health problems. In order to maintain the health and safety of your employees in the workplace, downdraft tables must ...


    By ProVent, LLC

  • Hail damage assessment case study

    Service performed: Hail damage assessment Summary: Following a series of hailstorms that occurred in the Midwest U.S., EFI Global engineers quickly responded to conduct hail damage assessments for numerous commercial and residential buildings. Inspections of composition shingle roof coverings to determine the extent of hail damage included the use of random ...


    By EFI Global, Inc.

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