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Having spent the last few months working from our sofas, dining tables and ironing boards, many of us have become accustomed to the world of remote working. But we’ve now arrived at a point where many businesses are starting to reopen their doors or have plans to do so in the near-future. Employers will be hoping that a return to work will prove productive, reinvigorating the workforce and driving growth. To this end, however, they will need to instill confidence by demonstrating how they can keep employees safe and comfortable. Bringing employees back to work will be complex. For a start, businesses have had to implement a large number of new safety measures in response to COVID-19. However, ensuring safety in the workplace goes beyond adhering to social distancing measures and anti-bacterial cleaning stations. Behind the scenes, heating, ventilation and air conditioning (HVAC) play a crucial role in facilitating a safe workspace. Whether it’s the systems implemented to limit the spread of the virus, the ongoing servicing of these systems or their wider environmental impact, HVAC solutions and facilities managers (FMs) rest at the heart of a safer return to work. Embracing new strategies for clean air Walking in the building through a new automatic door, most office workers will be greeted with a queue for the lifts and plenty of signage reminding you to sanitise your hands and keep your distance. Some may have their body temperature scanned by a thermal detection camera on entry, which could also count how many people enter to ensure numbers are safe. Others could be met with an anti-virus access point that scans your face using facial recognition rather than a pass, and enforces hand hygiene by dispensing sanitiser before the lifts will open. Behind the scenes, heating, ventilation and air conditioning (HVAC) play a crucial role in facilitating a safe workspace All of these measures, however strict, are part of the new normal: ‘contactless’ buildings. Designed to limit the potential spread of COVID-19, facilities managers have plenty of options when it comes to keeping people safe. But not all of them are so apparent when entering a building. Some of the most important measures are those we can’t see. A healthy and safe working environment has always relied on a building’s HVAC infrastructure – temperature control, good air flow, and a reliable level of comfort are top of most office workers’ priority lists. But the pandemic has taken this to a new level of importance. As a critical part of their wider health and safety plan, facilities managers can look to identify strategies to increase clean air levels further. This could include increasing outdoor air circulation to decrease pathogen exposure, with smart air handling units. These will enable managers to bring in more outside air to displace potentially contaminated air, by increasing ventilation and air change rates. Improving Filtration Methods Improving filtration methods is another possibility, by adding additional filters including high efficiency filters and HEPA filters, to trap more particles and increase the percentage of clean air in a building. Portable HEPA solutions are also an option for those who need more flexibility. In addition to air filtration and circulation, it is also possible to use UV-C lighting to effectively ‘disinfect’ the air or surfaces, using ultraviolet germicidal irradiation (UVGI) to inactivate viral microorganisms. These can be installed brand new or retrofitted into existing facilities, to reduce costs for FMs and speed up implementation. These innovative uses of HVAC to limit the spread of infection could have a huge impact on the health and safety of occupants in any building – and this is by no means limited to offices. Within healthcare and laboratory facilities, for example, solutions like room pressurisation, air change rates, humidity and temperature controls are all critical to reduce contamination in the air and on surfaces. A healthy and safe working environment has always relied on a building’s HVAC infrastructure Safety is an ongoing process No matter which HVAC solutions a facilities manager chooses, it’s not a case of installing them and then waving goodbye. As with any good health and safety strategy, constant monitoring is crucial to ensure building occupants are well looked-after – and this also ensures you can get the most out of HVAC investments. For some this means keeping a close eye on how your HVAC equipment runs, to ensure that they’re reaching optimum performance and delivering the best ROI. Working with a partner who can provide continuous service and monitoring is critical, so that the pressure is off FMs themselves. Especially now, having remote monitoring capabilities is an added bonus, so that minor issues can be fixed without an engineer having to visit the site. For those with smart technologies in place, such as smart connected chillers, FMs may rather be reliant on predictive maintenance and monitoring tools, which use AI and automation to predict issues before they arise, and ensure equipment runs reliably and downtime can be minimised. Whether in person or remotely, good quality service and maintenance of HVAC equipment goes a long way – both to get the best return on investment, and to keep buildings as safe and comfortable as possible. Enabling a smarter and more sustainable workplace HVAC has always been critical to keeping employees happy and healthy at work – but for a long time this has had a negative impact on the planet. Inefficient HVAC systems can give a building a much bigger carbon footprint than it would ideally have. 75% of organizations plan to increase their investment in energy efficiency and smart building technologies Last year, our Energy Efficiency Indicator survey found that 75% of organizations plan to increase their investment in energy efficiency and smart building technologies. The opportunity, then, to overhaul HVAC systems in order to limit the spread of COVID-19 is also an opportunity to invest in more efficient, greener HVAC technologies, built for the future. Taking a holistic approach to your HVAC equipment is the best way to do this, to ensure efficiency gains can be made across an entire building or estate, by connecting intelligent systems. Chillers, for example, with efficiency and intelligence built in as standard can reduce energy use and carbon emissions for a building, or collection of buildings, helping FMs meet energy targets and keeping costs low. Choosing the optimal HVAC system Under current circumstances, the decisions made by FMs are pivotal in enabling business continuity and will ultimately impact building occupants’ comfort and safety. It should therefore come as no surprise that businesses are paying close attention to every move FMs make. Choosing the optimal HVAC system for your building and ensuring regular servicing and maintenance will prove cost-effective and energy efficient. Not only this, but smart HVAC technologies go a long way in enabling a safer, productive and more sustainable working environment. By picking the right tools for the job, businesses of every type can position themselves for growth while remaining as safe and secure as possible.
Inverter driven air conditioning is more energy efficient, cheaper to operate and more profitable to install than its non-inverter driven equivalent. Here Neil Ballinger, head of EMEA at automation parts supplier EU Automation, explains how HVAC engineers can maintain the inverters in their customer’s aircon units. Do you remember cross country at school? It was exhausting; miles of seemingly pointless jogging and sprinting and, if the teacher was not looking, walking. If you were unlucky enough to be born before modern safeguarding measures were introduced, it probably also meant getting lost in the nearest woods.Why isn’t every installation an inverter driven unit, instead of the traditional single stage or dual stage models? My PE teacher, who seemed particularly vicious at the time, but in retrospect just knew about sports science than most, used to make us do something called fartlek as well. This meant long distance runs, incorporating elements of speed training by mixing up sprints with jogs and walks. The worst bit was starting to run again after a walk. That is exactly how the motor in your customer’s air conditioner feel if the units you fit are not inverter controlled. The motor has to act just like a runner doing fartlek — it sprints continuously, operating at full speed until the thermostat tells it the room is cool, then it stops. When the room gets warm, it starts again, powers immediately up to full speed and repeats the process indefinitely. Just like a teenage cross-country runner, it is the starting and stopping that is the tough bit. Furthermore, the unit probably doesn’t have to run at full speed to keep the room at the correct temperature, if the motor were inverter controlled it would speed up and slow down as the temperature fluctuates. Why isn’t all aircon inverter driven? We all know that inverter driven aircon is better than its non-inverter driven cousins. It can provide heating as well as cooling and the lifetime cost of use is less for the customer — because their energy bills stay low. The cost of installation is also higher because it is a more complex job, so it works out better for the contractor. It’s a win-win. The research firm Technavio even lists it as one of the key technologies driving growth in the HVAC market in its annual reports every year. So, the only question is, why isn’t every installation an inverter driven unit, instead of the traditional single stage or dual stage models?When contractors contact EU Automation to buy automation parts, for the units they maintain, they have given us another reason: maintenance Cost is a factor, but when contractors contact EU Automation to buy replacement motors and inverters, and other automation parts, for the units they maintain, they have given us another reason: maintenance. As HVAC engineers, we are not necessarily specialists in power electronics, and this makes inverter maintenance daunting. Microcontrollers and IGBTs (Insulated Gate Bipolar Transistors) are not beyond us by any means, but they can be intimidating. Personally, I would back an electrical or heating engineer over an electronics specialist in a problem-solving contest all day long; but that doesn’t solve the problem at hand. Furthermore, while we are experts in air conditioning brands, and know our Daikins and Grees from our Mitsubishis and Fujitsus, we don’t necessarily have contacts at the inverter manufacturers. Amtech, Danfoss, Vacon and Yaskawa are all names we know, but the local dealer for any of them is probably not in your phone book. This is especially true if the unit you need is from a first-generation inverter driven aircon unit and well over a decade old. While we are experts in air conditioning brands, and know our Daikins and Grees from our Mitsubishis and Fujitsus, we don’t necessarily have contacts at the inverter manufacturers Maintenance techniques While inverter maintenance can be daunting, it isn’t difficult. The tools you will need most often are nothing more than a rag and a spanner, while the more esoteric kit is stuff you probably carry anyway, a laptop, vacuum and a Fluke meter. Before you start, remember that while we tend to refer to an inverter as an inverter, the manufacturers themselves, and many of the sources of information online, often refer to them as VSDs (Variable Speed Drives), VFDs (Variable Frequency Drives) or just plain old drives. As a result, when you are searching online for a video to explain something, it’s worth using all three of those terms, alongside the inverter manufacturer’s name and the problem to make sure you get the right result.While inverter maintenance can be daunting, it isn’t difficult When you do move on to maintenance, step one is simple; make sure that the unit is free of dust. This is as easy as vacuuming the heatsink with an ESD (Electrostatic Discharge) vacuum cleaner when you perform routine maintenance or investigate a problem. While you are checking for build up of dust and daily grime, check the filters. They will probably have to be replaced during annual maintenance, but high use might mean they need to be replaced more often. The control panel itself should be well ventilated and free of dust as well, if it isn’t it can overheat, which is the number one cause of inverter damage and the most common reason contractors contact us for replacement units. Before you put your vacuum and duster away, you should make sure that the inverter unit’s location is clean and as sheltered from the elements as possible. Because it’s normally situated on a roof, it’s not going to be perfect, but the units are designed to take a limited battering. That doesn’t mean it’s okay for them to be covered in leaves, surrounded by rubbish or immediately beneath the guttering outlet though! Before you put your vacuum and duster away, you should make sure that the inverter unit’s location is clean and as sheltered from the elements as possible Get out the spanner Once you’ve finished these steps, you are done with dusting for now, it’s time to get out your screwdriver and your spanner. Step one is to make sure the fans on the inverter are operating normally, without noise and with nothing blocking their rotation. The fan keeps the internal components running effectively, just as it does on PC, and if its function is impaired the capacitors will overheat and the inverter will fail.When you install or maintain an inverter on an air conditioning system, it is a sensible precaution to back up the drive parameters to your laptop The next job is to grab your spanner and make sure the power terminals are on tight. Loose connections cause arcing, overheating and even melting of components and are easily checked during any kind of maintenance and repair. While we are still in the realms of the work your apprentice can do with their eyes closed, you should also make sure that the inverter’s removable LCD control pad is stored sensibly and not continually attached to the drive. If it remains attached, there is a chance the display will stay on permanently, which means that when you need it to diagnose a problem, it will probably already be burnt out. Break out the laptop When you install or maintain an inverter on an air conditioning system, it is a sensible precaution to back up the drive parameters to your laptop. It takes minutes and is normally done by using the removable LCD control. In fact, it’s often as simple as selecting ‘PARs’ and then ‘BACKUP’ from the menu. If you struggle, there are lots of videos on YouTube, like this one, which explain the process for each drive. As a result, if the inverter ever does need replacing, you can whip out your backed up parameters and order a new or refurbished one easily, before reloading the parameters to the replacement and getting up and running in no time. Your customers will think you are a power electronics genius, as well as a HVAC expert, and they will be loyal for life; especially of you save them on a hot day! If you follow these simple measures, you will find that the inverters in your customer’s air conditioning units last much longer and no motors will have to run the equivalent of a cross country, thanks to a lack of inverter control.
It is said that the COVID-19 pandemic has been one of the single biggest driving forces behind the digitalization of industries ever seen. And although not new within HVAC infrastructures – especially within the food retail environment where it has been rolled out extensively – remote management and automation of HVAC systems is increasingly being used to support supermarket responses to COVID-19. From air filtration through to dynamic scheduling, digitalization of HVAC within the food retail sector is going through something of a renaissance. Pre-COVID Digitalization Software solutions that use Internet of Things (IoT) technology to analyze data from HVAC infrastructures, for example, are common in food retail stores. These solutions work by monitoring mission critical aspects of HVAC systems, from simple temperature data through to complex asset monitoring. This data can then either be fed back to the retailer for them to perform their own analysis or, using more advanced IoT technology, can be used to enact automated HVAC outcomes. Software solutions that use IoT technology to analyze data from HVAC infrastructures are common in food retail stores From preventing HVAC asset’s overworking – and therefore expending too much energy – through to detecting the first stages of a fault and alerting the relevant maintenance engineers, automation has been shown to deliver numerous benefits. These combine to serve the retailer’s primary purposes; enhancing the consumers in-store experience, improving the bottom line and decreasing energy usage to lower carbon footprint. But not only is the digitalization of HVAC helping food retailers drive down costs and energy, advances in areas such as air filtration and dynamic scheduling have meant that it is also being seen as a potential solution to COVID-19 related issues. Filtering Out the Virus Air filtration is a primary focus when looking for ways to keep internal spaces free from pathogens. While not exactly a new feature for HVAC systems, food retailers have been increasingly working towards implementing or improving their existing air filtration techniques in their stores. The solution to keeping air clean and fresh is actually quite straightforward and relies on the same technology that many stores already use to monitor CO2. Advances in areas such as air filtration and dynamic scheduling have meant that HVAC is being seen as a potential solution to COVID-19 By connecting CO2 monitors to a central controls panel (the technical way of describing the place where all of the sensor data is collected and, in some cases, analyzed), sensors are able to detect the CO2 levels instore, signal if they begin to drift past a pre-determined base level, and automatically alert the HVAC systems to provide more fresh air into the store. This is a simple process of optimization. Additional sensors detect when fresh air is either too humid, hot or cold to be filtered into the store and rectify this by automatically adjusting the HVAC. Essentially, monitoring CO2 and air quality levels makes sure the air in a store is constantly fresh and filtered to keep the chances of airborne transmission as low as possible without causing the HVAC systems to expend any more energy than is necessary. Research has shown that COVID-19 spreads through small respiratory droplets that are released into the air from an infected person when coughing, talking or even breathing. Within a store environment therefore, where surface contamination and proximity to other people are likely to increase the chances of transmitting the virus, optimized fresh air flow to dilute indoor air is desirable. By detecting higher levels of CO2 within the air which in turn increases the chances of pathogens floating around, food retailers can automate their HVAC systems to filtrate the air and significantly reduce chances of transmission. Dynamic HVAC Response Air filtration isn’t the only way that food retailers are combining digitalization and HVAC systems to help them navigate the ‘new normal’. With store opening times continually changing, fewer people inside a store at any one time and staff performing additional and stricter clean regimes after hours, the requirements for optimum store temperature have moved from static to dynamic. Before the pandemic, HVAC systems would have to keep an average non-24 hour store at the optimum temperature for between say, 7am and 11pm, and would have to work a little harder to deliver more air into the store during the lunch time rush and post-work peaks – a mostly predictable routine. Research has shown that COVID-19 spreads through small respiratory droplets that are released into the air from an infected person Now, however, with adjusted store schedules and social distancing regulations, the footfall and peak traffic times have changed dramatically. Through digitally enabled remote management of HVAC temperatures and schedules, new schedules could be deployed across the estate at the touch of a button. Real-time monitoring of in-store temperatures and the volume of people inside also enables HVAC systems to run more efficiently by stopping them from filtering in more outside air than is necessary in a shop that contains fewer customers than normal. IoT solutions are ensuring HVAC infrastructures are running efficiently, saving energy, helping a retailer’s bottom line and most importantly, ensuring the comfort and safety of customers and colleagues. However, as retailers look for solutions to the challenges posed by the post-COVID landscape, digitalized HVAC is breathing fresh air into the industry. From improved air filtration to dynamic schedule monitoring, digitalized HVAC systems are proving to be an important tool in a food retailer’s arsenal as they navigate the new normal.
Manufacturers continue to make improvements in heat-pump technology, including higher efficiencies, contractor-friendly designs, and innovative extras like two-stage compressors that allow them to run at lower speeds and cut down energy use and homeowners’ bills. Below is a sampling of six of the latest products to hit the heat pump market. Nortek Global HVAC introduced the W-Series of air conditioning and heat pump equipment for residential and light commercial applications, completing its redesign of Gibson®, NuTone®, and Frigidaire® branded 1.5- to 5-ton, single-phase air conditioning units and heat pumps. The redesign offers contractors a ‘good-better-best’ strategy (the premium F-Series, the mid-range E-Series, and the economically-priced W-Series) to accommodate varying consumer price ranges. Coil-Protecting wire guard The W-Series heat pump is available in 14- and 16-SEER models. Standard features include Copeland scroll compressors and a liquid line filter-drier for field installation in an accessible position to facilitate easy periodic change-outs. It also has a coil-protecting wire guard that adds cabinet structural integrity and holds a plastic mesh in place to safeguard against hail and accidental contact damage, plus an anti-corrosive polymer drain pan with more drainage holes to eliminate potential standing water. On the unit’s exterior cabinet, above the refrigerant access port, is a weather-proof QR code called ‘Charge Me’ that can be scanned to access Nortek’s charge assist tool. “The new W-series of heat pumps recently introduced by Gibson, Frigidaire, and NuTone features a high-tech way to charge,” said Dave Garvin, product manager, Nortek Global HVAC. Variable Speed Heat Pump Rheem’s next generation Prestige® heat pump harnesses the power of the new EcoNet Smart Thermostat “The proprietary website helps account for subcooling, fixed orifices, thermostatic expansion valves, ambient temperature at time of charging, lineset length, and other variables that can trip up contractors when charging any heat pump brand.” The Rheem® Prestige® Series EcoNet®-Enabled Variable Speed Heat Pump features a contractor-friendly design, which means expanded valve space and triple service access, for fast and easy install and repairs. Corner-service access allows optimal access to internal components, while individual louver panels speed coil cleaning and cabinet reassembly. Plus, Rheem’s next generation Prestige® heat pump harnesses the power of the new EcoNet Smart Thermostat, which provides control, monitoring, and one-touch alert capability. Proper installation and reduced time “Rheem’s Prestige Heat Pump powered by our EcoNet Smart Thermostat keeps contractors in control,” said Ryan Teschner, product manager for Rheem Mfg. “From real-time alerts and system notifications to a charge mode capability, which allows for proper installation and reduced time on the job, Rheem’s heat pump increases job site efficiencies and reduces labor costs for contractors.” The hybrid electric Voltex® from A. O. Smith has an energy factor (efficiency based on the amount of hot water produced per unit of fuel consumed over a typical day) of 2.3, and is Energy Star® qualified. “Heat pump water heaters use electricity to pull heat from the surrounding air rather than generating their own heat,” said Brandon Stepanek, national field marketing manager at A. O. Smith. Reducing greenhouse gas emissions Carrier’s Hybrid Heat systems automatically switch between electric and gas heating “This means that they can be a logical choice for dedicated green home builders interested in enhancing energy efficiency. Because a heat pump water heater uses energy efficiently, it can save customers up to 10 percent on energy bills, which adds up to thousands of dollars over the life of the water heater,” he continued. “The significant reduction in electricity use also has a direct effect on reducing greenhouse gas emissions.” Carrier’s Performance™ Series heat pumps offer a range of efficiencies that start at 14 SEER and reach 17.5 SEER and up to 9.5 HSPF. Combining a gas furnace, an electric heat pump, and a compatible thermostat, Carrier’s Hybrid Heat systems automatically switch between electric and gas heating to optimize the efficiency of each fuel source, helping defend homeowners against utility cost fluctuations. They have Energy Star designation. Carrier indoor furnace “Our microtube coil technology saves space and provides lasting comfort with its corrosion-resistant construction,” the company stated. “In addition, some models include innovative extras, like a two-speed compressor for added benefits like higher efficiency and even, consistent comfort. When installed with a custom-matched Carrier indoor furnace or fan coil and a Côr® Wi-Fi® thermostat, our two-stage heat pumps can operate on low stage up to 80 percent of the time to keep airflow and temperatures even and consistent while adding humidity control during cooling operation.” Heating operation is rated down to minus 5˚F outdoor temperature Fujitsu General America Inc. recently debuted the RGLX Series, three medium-static pressure ducted indoor units for the single-zone Halcyon mini split line. They have sufficient static pressure to heat or cool a whole house. Heating operation is rated down to minus 5˚F outdoor temperature. The 12,000-, 18,000-, and 24,000-Btuh models are Energy Star qualified. V-Shaped heat exchanger Units are available in seven sizes ranging from 12,000 to 48,000 Btuh, with efficiency ratings up to 21.3 SEER. The evaporators are slim enough to fit most ceiling spaces, making them ideal for hidden installations, while the condensing units can be installed below a window or in a narrow space. The new models can be installed in applications that require static pressure up to 0.80 inches of water column and offer maximum piping lengths of up to 246 feet. A built-in drain pump with 33.5 feet of vertical lift comes standard. “The combination of the V-shaped heat exchanger, air stabilizer, and the energy-efficient DC fan motor results in high efficiency and quiet operation,” Fujitsu wrote in the product specs. Customized indoor comfort The Goodman GSZC18 Heat Pump features the next-generation Copeland Scroll™ two-stage compressor coupled with Goodman’s ComfortBridge® communicating technology to deliver up to 19 SEER and 10 HSPF performance. ComfortBridge ‘off-the-wall’ technology gives contractors more installation options and intelligent controls. It works with any thermostat, including single-stage ones. ComfortBridge constantly gathers data, making automatic adjustments for peak performance ComfortBridge constantly gathers data, making automatic adjustments for peak performance, using the minimum energy needed for consistent, customized indoor comfort. A companion CoolCloud™ app connects technicians wirelessly via Bluetooth to ComfortBridge. Advanced ComfortAlert™ Diagnostics constantly monitor the system, reducing failures and pinpointing trouble spots. “Our 18-SEER heat pumps provide high-efficiency, energy-saving indoor comfort with the ease of installation as compared to less sophisticated products,” said Cory Gottfredson, senior product manager, Outdoor Split Systems for Goodman. Compressor crankcase heater “We have incorporated ComfortBridge technology to optimize installation while allowing homeowners to use any thermostat. This truly enhances both operation and installation, freeing contractors from hassles and leaving money in the hands of homeowners where it belongs.” The scroll compressor inside the GSZC18 is designed with fewer moving parts, and the high-efficiency, two-speed electronically commutated condenser fan motor with advanced fan design provides quiet airflow. Other features include SmartShift® technology with short-cycle protection, a bi-flow liquid-line filter-drier, suction line accumulator, high- and low-pressure switches, coil and ambient temperature sensors, a transformer, compressor crankcase heater, high-capacity muffler, and a color-coded terminal strip for non-communicating set-up.
The Built In America television show is taking viewers deep inside one of the nation’s massive, new industrial facilities to witness how a $417 million investment in United States manufacturing is creating Goodman brand air conditioners and furnaces, along with up to 7,000 jobs. Within the doors of the world’s largest tilt wall building at the Texas Technology Park, the Built In America documentary, led by host John McCalmont, demonstrates the manufacturing magic of morphing hefty 15,000-pound coils of steel, aluminum and copper into Goodman brand heating and air conditioning units. Roving the sprawling 4 million-plus square-foot facility, McCalmont – in tow with Goodman Vice President of Manufacturing Joseph Campbell – follows the entire Goodman production process from stamping, brazing, assembly, painting, testing and more testing. McCalmont even chips in to help assemble several products. revolutionize heating and air conditioning industry The technological prowess showcased at the Texas Technology Park demonstrates how far Harold V. Goodman’s dream has come since he created his namesake company 43 years ago. Back then, Goodman said he wanted to “revolutionize the heating and air conditioning industry,” but even he might have found the scope of manufacturing capabilities at Texas Technology Park beyond his imagination. Built In America television celebrates cutting-edge companies that manufacture and assemble products in the United States. Goodman designs, engineers and assembles all of its indoor comfort products in the United States. According to Built In America, the series focuses on the history, job creation, education, business model, pride in workmanship and positive community impact of top companies and their hometowns. The show airs on The Fox Business Network (FBN) as sponsored segments to over 230 million viewers internationally.
A dealer-driven enhancement developed by Goodman Manufacturing Company has earned a 2018 Dealer Design Award for making outdoor condensing unit installation and service more convenient and faster. After hearing feedback from its heating, ventilation and air conditioning (HVAC) dealers, Goodman redesigned the liquid line service valves on outdoor condensers to angle outward – a simple but ingenious improvement on traditional service port design. By angling the service port outward and providing room to maneuver with tools, HVAC contractors have found it easier and faster to connect pressure gauge hoses. That enhancement earned Goodman a 2018 ACHR Dealer Design Award.The national award program was established to honor excellence in HVACR product design. Winners showcase the most innovative products that can be conveniently installed, maintained and serviced. easy to install and easy to service Making Goodman brand condensing units easy to sell, easy to install and easy to service is part of our brand DNA" Additionally, a second dealer-driven design improvement was made to elevate the contactor on all single-phase condensing units, allowing for easier connection of incoming electrical line. Previously, contractors had to make this connection in a space with a snug fit. “Our HVAC dealers spoke, and we took action,” explains Mark Hagan, Director of Product Marketing for Goodman. “Making Goodman brand condensing units easy to sell, easy to install and easy to service is part of our brand DNA, so dealer feedback was instrumental in evolving our design for the contactor and service port.” single-phase condensing units The positive response from dealers for the angled service valves encouraged Goodman to implement the enhancement across all its outdoor condensing units. Elevated contactors are now found on all Goodman brand single-phase condensing units. Goodman designed and tested the modifications at its research and testing facilities at its technology campus in Waller, Texas, just outside Houston. All Goodman brand heating and cooling systems are designed, engineered and assembled in the United States. “We continue to drive towards dealer-focused enhancements that make Goodman products easier to sell, install and service,” Hagan says. “These plans for improvement span all aspects of the product, from system design to label application. Stay tuned to learn about more product improvements moving through the pipeline.”