Search Results

Number of Results: 1568

Content (1568) Products (875)
Previous 5 6 7 8 9 Next Page 7 of 32
Results per page:

  • Podcast: Energy Recovery: A Clear Solution for Improved IAQ in Existing Buildings

    Energy Recovery: A Clear Solution for Improved IAQ in Existing Buildings Improving IAQ through mechanical ventilation presents many challenges, especially in existing, and often outdated, buildings. Listen as Tyler Mancl, P.E. of Greenheck talks with ACHR News about how Energy Recovery Ventilators (

  • How Recent Changes in UL Standards Affect Fans

    You may have been familiar with fans meeting UL Listing criteria that aligned under three UL Standards: Power Ventilators (UL 705), Power Ventilators for Smoke Control, and Power Ventilators for Restaurant Exhaust (UL 762). As of June 2021, UL made changes to these standards. Here’s a breakdown of w

  • Choosing the Right Air Distribution Partner for Data Centers

    Choosing the right air distribution partner is essential to the success of data center projects. Power costs are a critical element of data center operations. With the constant need to keep servers cool, energy-efficient air movement must be an integral part of the core strategy to reduce overall po

  • Changing the Narrative: From Indoor Air Quality to Indoor Air Safety

    Before the pandemic, the majority of us took for granted that the air we breathe indoors is safe, just as we trust the water we drink is safe. Since the pandemic, we’ve learned that this is not always the case. Indoor Air Quality (IAQ) suddenly became a hot topic due to airborne viral transmission,

  • The Importance of Handing - Air Terminal Units with Hot Water Coils

    Air terminal units (ATUs) are essential to the air distribution system within commercial buildings. These units are responsible for delivering conditioned air from an air handler to the occupied space. ATUs are often equipped with reheat capabilities, either electric or hot water coils, for fine-tun

  • Energy Recovery: A Clear Solution for Improved IAQ In Existing Buildings

    As building occupancy continues to return to pre-pandemic levels in the wake of COVID-19, a heightened awareness exists to improve the quality and safety of the air we breathe. The most proven and longstanding method of doing this is by increasing the amount of ventilation, or fresh air, that we bri

  • What are the Top Questions Engineers and Contractors Ask about Life-Safety Dampers?

    Greenheck manufactures several hundred different damper products. Each offers variations to customize the product to specific applications. This large number of dampers and variations can create a little confusion. We receive many questions regarding life-safety damper products. The following are am

  • Data Center Energy Efficiency

    According to the Department of Energy, data centers are one of the most energy-intensive building types, consuming 10 to 50 times the energy per floor space of a typical commercial office building. Collectively, these spaces account for approximately 2% of the total U.S. electricity use and will con

  • How to Improve HVAC Systems by Making a Fraction of an Inch Change

    The impact HVAC grilles and registers have in a total ventilation system may seem small compared to the system overall. However, a fraction of an inch in the spacing of the grille or register blades makes a big difference. Most supply and return grilles use 3/4" blade spacing, but evidence suggests

  • Louver Fundamentals: Understanding Louver Performance Criteria

    The proper selection of louvers can be complex as many variables determine how they will perform. An understanding of basic louver performance criteria including free area, air volume, the beginning point of water penetration, and pressure drop can help guide your louver selection process. These per

  • Podcast: Improving Indoor Air Quality And Energy Efficiency In Schools

    Schools in Focus: Greenheck School Ventilation Solutions Mike Wolf, Director of Industry & Regulatory Relations, and Tyler Mancl, Principal Application Engineer, talk about improving indoor air quality and energy efficiency in both new and retrofit school facility applications in Spaces4Learning’s S

  • EC Motor Fundamentals: Choosing the Right Motor—EC versus Belt Drive

    New developments in EC motor technology and a growing list of benefits make EC motors attractive options in fan applications. But do these benefits make traditional belt drives obsolete? Let’s consider why customers select EC motors. All motors in fan equipment have two magnetic fields located in th

  • HVAC Energy Recovery Technologies: Wheel versus Core

    Energy recovery technology is commonly used in industrial, commercial, and institutional applications to provide comfort ventilation. Utilizing energy recovery allows for the supply airstream to be pre-conditioned by the return airstream, effectively reducing the amount of mechanical cooling or heat

  • Fire Dampers 102: Application, Installation, Options, and Accessories

    In our Fire Dampers 101 blog post, we discussed the different types of fire damper products and the associated testing and rating requirements. In this post, we will examine the correct application and installation of fire dampers, and review some of the available options and accessories. Applicatio

  • Louver Fundamentals: Form Meets Function

    What exactly is a louver? What is its function in a building and an HVAC system? Simply, a louver is a device comprised of blades that permit the flow of air but inhibits the entrance of water or other elements. But simple doesn’t truly get at the form and function of louvers. Selecting the correct

  • Five Reasons to Work with Greenheck

    Of the many HVAC equipment manufacturers in the marketplace today, only one manufacturer makes the claim of being the easiest company to do business with: Greenheck. In our 75th year, Greenheck has grown to become a global leader in engineering and manufacturing air movement, control, distribution a

  • 3 Reasons to Work with a Greenheck Rep

    Many in the HVAC industry have a go-to-market model using manufacturer’s representatives as the sales force. Finding every niche in a geographical market requires a large sales team, more than most companies can afford. The manufacturer’s reps provide tremendous value to customers in their local mar

  • Exhaust System Stack Design and Plume Rise

    One of the critical features of a properly designed laboratory or industrial exhaust system is the exhaust stack. The exhaust stack helps ensure polluted exhaust is dispersed into the atmosphere before it can be re-entrained into building air intakes or settle on occupied areas such as building entr

  • Leverage Employee Comfort and Make it a Critical Part of Your Hiring Strategy

    “How do I attract and retain employees for my distribution centers?” That’s a great question because the warehousing and storage market segment is growing exponentially. From 2010 through projections for 2022, CAGR for the Warehouse segment have come back at nearly 25% (Dodge Data & Analytics) with

  • Podcast: Amplifying UV-C performance for better IAQ

    Newsmaker’s Coverage of AMPLIFY™ Overhead fans with Northern Light® Technology Listen as Tyson Sargent, segment manager for Greenheck’s overhead HVLS products, shares valuable information on AMPLIFY™ overhead fans with Northern Light® technology. Once you've listened to the podcast, read more about

  • A healthier, more comfortable, environment for employees and plants.

    A typical outdoor greenhouse can reach 110ºF inside making conditions uncomfortably warm and humid especially during summer months. Air movement is critical to lowering the temperature as well as moisture evaporation to help keep plants healthier.

  • Fans vs. Air Conditioners: Which Cools Better?

    Keeping an indoor space at a comfortable temperature is extraordinarily important. There are many options available to accomplish that task, and some are far better than others. The two basic methods are fans and air conditioners but figuring out exactly which works best for your particular situatio

  • 5 Ways to Create and Maintain Perfect Building Temperature Using the Right Equipment

    If you've ever worked when it's too hot or too cold, concentrating, being productive, and getting the job done is tough. Sweat dripping into your eyes or tensed up muscles from the chill can make life exponentially harder. That’s why maintaining a relatively stable and comfortable temperature is so

  • Three Tactics to Improve Indoor Air Quality (IAQ) in Schools and Commercial Buildings

    The COVID-19 pandemic has opened the eyes of many regarding the importance of indoor air quality (IAQ) in schools and commercial buildings. Poor IAQ causes illness and other health problems. The impact of poor IAQ becomes worse when you consider this key statistic: The Environmental Protection Agenc

  • How to Avoid the High-Temperature (and Odorous) Exhaust Associated with Diesel Generators

    Electricity. Practically everyone uses it. We power everything from a children's toy to hearing aids using some form of electrical power. Electric power makes life productive and comfortable. Sometimes, it even saves lives. However, what happens when the power is interrupted? For most, it's an irrit

  • How to Cool a Building Without Air Conditioning

    When the weather warms up, an air conditioning unit can help keep large indoor spaces comfortable. But sometimes installing an air conditioning unit isn’t always possible or economical, so finding ways to cool the interior of a building without using AC is necessary. There are numerous benefits to k

  • Provide correct air changes to laboratory, office and warehouse.

    Providing a 100% outdoor air ventilation solution can be challenging when a rooftop installation will not work. Learn how Greenheck’s solution allowed for the installation of dedicated outdoor air systems units without costly plenum curbs.

  • Dollar Per CFM - Why is it Important

    Many options exist for building ventilation. Most options depend on the building’s use. For example, warehouses, distribution centers, and manufacturing buildings often use a combination of gravity and powered fan equipment to ventilate the facility. This method is popular because it offers effectiv

  • Why is My Bathroom Mirror Foggy?

    Bath Fans and the Importance of Certified Airflow Should a company manufacture products that perform as tested in ideal conditions or conditions based on real-life experiences? This conundrum is an age-old debate. For example, would you buy a new vehicle that advertised its fuel efficiency based on

  • Energy Efficiency and Indoor Air Quality Help Transform 94-Year-Old Building

    Older buildings have many qualities, such as architectural features not seen on many newer structures. However, few have the energy efficiency required to attract tenants. Learn how Greenheck’s solution improved energy efficiency and indoor air quality (IAQ).

  • When is Make-Up Air Required for Kitchens?

    When is Make-Up Air Required for Kitchens? Have you ever left a restaurant smelling like you’ve been cooking burgers for hours? If you have, it could be that the restaurant has a make-up air/exhaust system not working correctly. Selecting the correct make-up air solution for your kitchen can be the

  • How to Select the Best Kitchen Hood for a Residential Kitchen in a Commercial Building

    Selecting a kitchen hood is a relatively straightforward decision for a restaurant or commercial kitchen. The decision is equally straightforward when purchasing a kitchen hood for your house. One simply selects the features needed and desired that meet the various building codes for the location an

  • Be Confident In Your HVLS Fan Selections

    High volume, low speed (HVLS) fans are large diameter ceiling fans that circulate large volumes of air at low operational speeds. These fans are increasingly popular because of two main uses-- thermal comfort and energy efficiency. Several companies currently manufacture HVLS fans, providing end-use

  • Sign-Up for and Comment on Fresh Air Blog Posts

    Greenheck’s Fresh Air blog recently added new functionality to make your blog experience even better. Now, you can have notifications of new blog posts sent directly to your email inbox. We know your time is valuable and this notification can save you time. But that’s not all. Our intention has alwa

  • How to Adjust Your HVAC System and Minimize the Spread of COVID-19

    Keeping people safe and protected from contagious viruses has reached unprecedented levels over the past few months. Leading organizations such as the Center for Disease Control (CDC) and medical professionals stress the need for common sense practices to slow the spread of COVID-19 and other contag

  • What You Need to Know About DOAS And the New Efficiency Ratings

    Dedicated outdoor air systems (DOAS) are gaining popularity in the commercial HVAC industry. These systems consist of ventilation units that dehumidify 100% outdoor air coupled with air handling units that heat or cool the space air. Figure 1 is a schematic of a typical DOAS. Figure 1: DOAS units pr

  • Understanding the basic Operation of a Variable Volume Lab Exhaust System

    Lab ventilation systems are traditionally high users of energy based on the objectives of: Safely exhausting fumes and odors from the lab space Expelling fume and odor contaminants above the facility to prevent entrainment back into the lab or neighboring facilities Supplying 100% fresh make-up air

  • Elements of motor sizing

    What size motor best suits a fan? It is a common question that is more complex than one would imagine. Many variables exist based on an application. Different technologies also affect the fan selection. The following will discuss torque, horsepower and fan laws. Here is an example. “My direct drive

  • How Well do You know Your Industrial Isolation Dampers?

    Dampers can have many different functions within an HVAC or process application. One such function prevents or restricts the free flow of air, requiring the use of an isolation damper. Isolation dampers are generally two-position dampers and actuated to be fully open or fully closed. The degree of i

  • Considerations for Warehouse Summer Ventilation Systems

    Heat builds up in warehouses and distribution centers in the summer months without proper ventilation. Summer ventilation systems exhaust heated air from the warehouse and replaces it with fresh outdoor air. These systems replace the air in the building 1 – 3 times per hour, which minimizes the diff

  • How to Avoid Selecting the Wrong Ceiling Damper

    Ceiling dampers, also called ceiling radiation dampers (Figure 1), are crucial components of fire-rated floor/ceiling and roof/ceiling assemblies. However, confusion often occurs during the specifying and selection of these products. It is common to install the wrong damper, or worse, install each i

  • Understand the Energy Efficiency Codes Before Selecting an Inline Fan

    Are you in the market for an inline fan? Wonderful! Many energy-efficient options exist. But how do you know whether the inline fan you select offers the performance you want and complies with relevant codes and standards? Perhaps a better question is, do you know what codes and standards emphasize

  • Fresh Air for the HVAC Industry

    Welcome to the blog for air movement, control, and conditioning professionals that addresses your technical interests and needs. You will find valuable information on topics important to you and your work as it relates to heating, ventilation, and air conditioning (HVAC). No hype or hyperbole—just v

  • Exploring the Benefits of Factory-Installed Ceiling Radiation Damper—Bath Exhaust Fan Combination

    Bathroom exhaust fans are the most common way to properly ventilate and control moisture in residential bathrooms. Along with providing effective ventilation, bath fans with a ceiling radiation damper (CRD) are one of many components used to mitigate the spread of fire in many multi-family residenti

  • Leading Causes of Coil Failures Explained

    Whether you own a large commercial building or are homeowner, you rely on heating, ventilation and air conditioning (HVAC) equipment to maintain the comfort level of your building. While this equipment is reliable, it inevitably fails. Then, if you find the culprit is a heating or cooling coil, you

  • Louver Requirements for the Hurricane-Prone Region

    Nearly 40 hurricanes and tropical storms have made landfall in the United States (U.S.) and its territories in the past 10 years. These storms pose an extreme risk for inhabitants of the areas affected. This risk includes injury and loss of life. Risk also extends to damage incurred to property—home

  • Aspirus Wausau Hospital Medical Surgical ICU Remodeling

    The intensive care unit of a hospital requires a unique approach to ventilation to protect against contaminated air and pathogens, and still maintain patient comfort. Learn how Greenheck provided the right solution.

  • Apply energy recovery to ventilation systems -- It's the Law!

    Recovering energy sounds pretty good, right? But how many realize it is possible to recover energy from HVAC equipment that is ventilating a space? An energy recovery ventilator (ERV) consists of a supply fan, exhaust fan, and an energy recovery device. The ERV takes spent/stale conditioned air from

  • Improved Indoor Air Quality Raises Math/Science Scores

    tbd Indoor air quality is a concern in schools across the country. It affects health and the ability to learn. Yuma High School in Yuma, Arizona solved its air quality challenge and eliminated another common issue. Read about Greenheck’s solution.

  • The Impact of Poor Indoor Air Quality in Multifamily Buildings

    According to the United States Environmental Protection Agency (EPA), the concentration of some pollutants is often 2 to 5 times higher indoors than outdoors. The average American spends approximately 90% of their time indoors, so indoor air quality (IAQ) is extremely important to everyone’s health.

Previous 5 6 7 8 9 Next Page 7 of 32
Results per page: