VRF commercial buildings

3 Benefits of VRF Technology for Commercial Buildings

Is your HVAC system on the fritz in your office or commercial building? If you are thinking that it may be time to replace your commercial HVAC system, you may want to consider a variable refrigerant flow (VRF) system as opposed to traditional HVAC equipment. Not only do VRF systems effectively keep commercial spaces comfortable, but they do so while using significantly less energy, helping you keep operating costs low.

Here are just a few of the top benefits of VRF HVAC systems for commercial buildings:

1. VRF provides consistent comfort.

With a VRF system, the compressor unit can effectively identify the requirements for each zone of the commercial building, providing just the right amount of refrigerant needed for each air handling unit. With a precise flow of air, VRF systems work to eliminate the cold or hot spots sometimes associated with traditional HVAC systems. Not to mention, these systems also make humidity issues a thing of the past.

With VRF systems you can also heat and cool different areas of your building simultaneously. That means you can create different zones with their own temperature settings to accommodate different comfort preferences and heating or cooling demands. For instance, if you have a large room with many computers in it, this may require different cooling demands than smaller meeting rooms where there is no heat-generating office equipment.

In short, VRF systems help provide more consistent comfort within your office building or commercial space. This results in happier, healthier, more productive employees who can focus on their work instead of worrying about staying comfortable in the work place. If keeping your entire office area comfortable is an issue, VRF might be the answer to your problems.

2. Variable refrigerant flow systems are energy efficient.

Perhaps one of the most attractive features of VRF systems for commercial property owners is their energy efficiency. VRF systems are designed to supply the precise amount of refrigerant to each air handler that’s needed to cool a room based on current conditions. That means that they minimize energy waste, resulting in a system that runs less frequently and at a lower capacity, while still being able to keep the space comfortable.

Additionally, VRF systems have the ability to capture heat as part of the cooling process. They can then use this heat in other locations in the building that need warmer temperatures. Again, this reduces energy waste, enabling the system to keep the building comfortable without sacrificing energy efficiency. Overall, this means significant energy savings for commercial building owners, which results in lower electricity costs over time.

3. VRF systems are compact and provide flexible installation.

Yet another benefit of VRF systems is that the equipment is compact, making it ideal for smaller office spaces. With these types of systems, there is no need for large areas to house your heating and cooling equipment. Similarly, there are no water pumps, distribution fans, or pipes required to operate these systems. This translates to less room needed for your air conditioning system as well as easier installation.

Are you thinking about a VRF system for your commercial building? Advent Air Conditioning is one of the few HVAC contractors in the Dallas – Fort Worth area that is qualified and experienced in installing, maintaining, and servicing VRF systems for commercial use. Give us a call today to learn more about your options: (469) 240-5456.

variable refrigerant flow

What is Variable Refrigerant Flow?

Variable Refrigerant Flow (VRF) has become a buzzword in the HVAC industry, especially when it comes to commercial applications. Though VRF technology has been used across the globe for the last three decades, it has only become available and widely used in the United States since the early 2000s. VRF HVAC has quickly become known for its efficiency and ability to offer an attractive return on investment for those that use it for their commercial properties.

Whether you’re a business owner or commercial property manager, you can benefit from leveraging this technology for an efficient and practical commercial HVAC solution. Below, we’ll talk more about what VRF is and what benefits it can provide for commercial HVAC applications.

What is Variable Refrigerant Flow (VRF)?

Variable refrigerant flow is an HVAC technology used to create a large-scale ductless system that can perform efficiently at high capacity. VRF technology is used to provide both cooling and heating to different areas within one general space. The specific design of your variable refrigerant flow system will depend on the application. For example, commercial applications require a different approach than VRF HVAC systems designed for residential properties.

Instead of one unit providing conditioned air for the entire space, VRF systems use several smaller air handlers that can be individually controlled, providing occupants with the ability to customize temperature settings in different areas of the building. The term VRF actually refers to the HVAC system’s ability to control the amount of refrigerant that flows to each of the smaller handlers.

How does a VRF HVAC system work?

Much like a traditional central air conditioning system, a VRF system is air-cooled and refrigerant based. It uses outdoor condenser units and indoor fan coil units to operate. However, this is where the similarities end.

With a VRF system, multiple indoor fan coils can be connected to just one outdoor unit that has one or multiple compressors which are inverter driven. By changing the frequency of the power supply to the compressor, the compressor speed can be adjusted. As the speed changes, so does the amount of refrigerant that the compressor delivers. By operating at varying speeds, VRF HVAC systems only operate at the necessary capacity for current load conditions.

Due to the versatility of this technology, VRF systems can be tailored to meet the unique needs of nearly any HVAC project. Though they are most commonly used for commercial applications given their ability to efficiently heat and cool large areas as well as their flexibility in zoning for temperature customization, VRF equipment can also be used for residences such as single-family homes.

VRF System Advantages and Disadvantages  

There are many VRF system advantages and disadvantages. The best way to determine if a VRF system is right for you is to review the benefits and drawbacks and weigh your options. Below, we’ll cover just a few of these advantages and disadvantages:

VRF Advantages

There are a variety of reasons why business owners and homeowners alike choose a VRF HVAC system for their business or home. Variable refrigerant flow technology provides a wealth of benefits for cooling and heating any sized space:

1. VRF systems offer optimal energy efficiency.

Variable refrigerant flow systems use less energy than traditional central air conditioning systems. These systems are designed to use only the amount of cooling that is needed for current conditions, which means that the equipment operates at a lower capacity and runs less frequently. This helps you save more energy over time, which leads to major costs savings.

2. Variable refrigerant flow HVAC provides better comfort control.

Since VRF systems use multiple air handlers, they allow occupants to adjust temperature in different areas to maximize comfort. While a conventional system may offer individual controls, the temperature still tends to fluctuate as the compressor starts and stops. With VRF HVAC systems, you don’t have this temperature fluctuation, allowing homeowners and business owners greater control over their comfort throughout the day.

3. Less down time means less wear and tear on HVAC parts.

The VRF HVAC system is designed to only run when it’s needed and only operate at the exact capacity needed to meet comfort conditions. That means that there is less wear and tear on the systems parts, which results in fewer breakdowns. Similarly, if something happens to one of the air handlers, the others are not impacted, so only one area will be affected rather than your whole space.

4. You can heat and cool your space simultaneously.

With VRF HVAC systems, you can heat and cool your building or home simultaneously, allowing for even better control over your comfort. With VRF, the system captures residual heat that’s absorbed from the air during the cooling process and then redirects that heat to the areas that need it. This is especially beneficial in commercial applications where some rooms may have fewer people (like private offices) and others may have more people (like conference rooms), each requiring a different level or heating or cooling based on the number of bodies generating heat.

VRF Disadvantages

Though there are many benefits to using a VRF system for your residential or commercial property, there are also some drawbacks. Here are just a few factors that you will need to consider if you decide that VRF is right for you:

1. VRF systems have higher up-front costs.

Though you will save more over time on energy costs, VRF HVAC systems often cost more up front than traditional central air systems. However, this cost is often offset by the energy savings. The best way to determine if the up-front costs are worth it is to speak with an HVAC expert who can help you compare costs and benefits.

2. VRF HVAC systems require an experienced HVAC installer.

Since VRF HVAC systems are extremely sophisticated, they require an installer who is experienced with VRF systems. Not only do you need to find a reliable, professional HVAC company that has experienced with VRF installations but also one that can service this equipment as well. Fortunately, Advent has HVAC technicians that are experienced in both VRF installation and maintenance/repair. In fact, we are one of the few HVAC companies in the area that specializes in this HVAC technology.

3. Consider the size of the air handlers when choosing VRF equipment.

Though this isn’t a disadvantage of VRF, it’s still important to mention – when you are choosing a brand of VRF equipment, you’ll need to consider the size of the air handlers. Some VRF HVAC brands provide much larger units, but not every space requires a unit of that size. The HVAC experts at Advent Air will be able to help you with this as part of the installation process.

Dallas VRF HVAC Systems

Looking to implement a variable refrigerant flow system in your commercial building? The experts at Advent Air Conditioning can provide installation, maintenance, and repair for both residential and commercial VRF HVAC systems in the Dallas and Fort Worth area.

Call us today to learn more: (469) 240-5456.

Carrier Greenspeed Intelligence Technology

What is Carrier Greenspeed™ Intelligence?

Home comfort isn’t the only thing to think about when it comes to buying a new HVAC system. For many homeowners, energy efficiency also plays an important role in their purchasing decision. Carrier, a world leader in HVAC, has developed specialized Greenspeed™ Intelligence technology allowing homeowners to enjoy both optimal home comfort and energy efficiency.

Below, we’ll explain what this technology is and what it means for home comfort systems. In addition, we’ll also discuss whether this may be the right option for your home comfort needs. Let’s dive right in!

What is Greenspeed™ Intelligence?

Carrier has developed Greenspeed Intelligence technology to make their top-of-the-line Infinity control system even better for homeowners. Carrier designed their Infinity systems with a specialized indoor control that allows homeowners to better adjust and control their comfort levels to meet the unique needs of their home and family.

In addition to allowing homeowners to monitor and control humidity, this state-of-the-art system also offers reminders for when parts or accessories need maintenance or replacement. Overall, the Infinity system is the ultimate in home comfort technology, making it easy and more convenient for homeowners to keep their families comfortable during any season.

As part of their dedication to offering a range of high-efficiency HVAC systems, Carrier developed Greenspeed Intelligence to take the Infinity system one step further. With Greenspeed Intelligence technology, the equipment runs quietly and at different speeds. This capability allows the unit to operate on longer run times with steady capacities for better humidity management.

By maximizing performance and providing more precise temperature control, the Carrier Infinity Series with Greenspeed Intelligence gives homeowners more control over their home comfort. Homeowners also benefit from units that offer quiet operation and maximized energy efficiency, which leads to optimal home comfort and savings on energy costs over time.

Choosing a Carrier Infinity® System with Greenspeed Intelligence

If you are in the market for a new heating and cooling system and want to upgrade to a more energy efficient model, then you may want to consider the Carrier’s line of energy-efficient units. Carrier offers both the Infinity 20 Air Conditioner and Infinity 20 Heat Pump with Greenspeed Intelligence.

Both of these units offer efficiency levels up to 20.5 SEER (13 HSPF for the heat pump) with quiet operation and the highest comfort features available. When using these systems together in your home, your family will be able to experience and enjoy both optimal home comfort and high efficiency.

Is Carrier Greenspeed Technology Right for You?

If you want an energy efficient system that gives you better control over humidity and home comfort with minimal noise, Carrier’s Infinity® Series with Greenspeed™ Intelligence may be the right HVAC equipment for your home. These advanced HVAC units will help you keep your family comfortable year-round without sacrificing the great benefits of energy efficiency.

Not sure if the Carrier Infinity system with Greenspeed Intelligence is right for you? Our home comfort specialists would love to provide a consultation to help you determine which HVAC system is right for your home needs.

Give us a call today to speak with someone from our team: (469) 240-5456.

Variable Speed AC

Is Variable Speed Air Conditioning Right for Me?

The Basics Of Variable Speed Technology

Conventional motors in an air handler (the part of your air-conditioning system that moves air through the ducts in your home) are only capable of running at full speed. Even if the motor doesn’t need to run that hard to cool your home, it will. This means that it is always using the maximum amount of energy to function.

Variable speed motors are a recent innovation in air conditioners. As the name suggests, these motors are capable of running at a variety of speeds and not just at the highest setting. This allows them to run using far less energy than the old-style motors.

The Basic Benefit Of Variable Speed Motors

Of course, the biggest benefit of variable speed motors is their increased energy efficiency. Running a fan motor at full speed requires eight times as much energy as running it at half speed. Unlike a conventional motor, a variable speed motor can take advantage of the lower energy cost of running at slower speeds. A fan running at half speed uses the same energy in eight hours as the same fan running at full speed for one hour.

When the homeowner only wants the house to be a few degrees cooler, a variable speed motor will run at less than full speed. This allows it to keep the home comfortable with less energy expenditure. If a major change in temperature is required, then and only then will the fan use the energy necessary to run at its highest speed.

Another upgrade that makes variable speed motor air conditioners more efficient is an upgrade to the circuitry. In older systems with conventional motors, the fan and the evaporator coil will shut down at the same time, even though the coil is still cold. A new air conditioning system will shut down the evaporator coil first, but keep the fan running for a while longer to get the maximum amount of cool air from the energy used to cool the coil.

Other Benefits Of Variable Speed Motors

Aside from being more energy efficient, variable speed motors have a few other benefits over conventional motors. Variable speed motors offer increased comfort and fewer distractions than older motors offer. Unlike the other motors, variable speed motors start slowly and pick up speed, making it very quiet and almost unnoticeable. These new systems also gradually build up to blowing air of the desired temperature, rather than suddenly starting to blow hot or cold air.

Variable speed motors can drastically increase a home’s air quality. One of the most critical factors to ensuring healthy air quality is keeping air moving to keep it from becoming stagnant. Conventional speed motors use up a lot of energy as long as the fan is running, so they cannot practically be left on continuously. However, variable speed motors can be set to the “Fan On” setting and will run at a low speed with extremely little energy used. This keeps the air circulating and raises air quality considerably.

The only downside to variable speed motors is that they cost a little more than traditional motors cost. However, their more-efficient use of energy means they will pay for themselves in short order. If you would like to learn more about this innovation in air conditioning, please contact Advent Air Conditioning Inc. today.

Advent Carrier Lewisville, Texas

All About Carrier Cor Thermostats

The Carrier Cor Thermostat is a smart thermostat that allows you to remotely control and monitor the temperature of your home using the power of the internet. Using this modern technology, the comfort of your home is under your control no matter where you are. This is a thermostat that can adapt to the unique needs of your home, constantly updating itself and working toward improved comfort and energy efficiency. At Advent Air, we can professionally install this smart thermostat in your home and our technicians will show you how to use this great tool from your smartphone or PC.

A Smart Thermostat Offering Comfort and Convenience

The primary appeal to the Carrier Cor Thermostat, like other smart thermostats, is the ability to control the temperature and humidity of your home from any Wi-Fi-enabled device. You will have the ability to stay in complete control of your home’s temperature whether you are home or away on vacation. The touchscreen offers onscreen prompts and a built-in proximity sensor. Monthly reports are available providing interactive efficiency tips and information on how to save money by modifying your settings.

Using the app on your smartphone or laptop, you will be able to see as much clear information as you can on your home screen, and the temperature of your home will respond within minutes even when controlled from a remote location.

How a Smart Thermostat Can Lead to Smart Savings

Convenience is important, but so is cost. Using a smart thermostat, improved home comfort is combined with reduced energy usage. You are able to monitor the temperature in your home and control when heating or cooling turns on or off for optimal efficiency. The Carrier Cor Thermostat also has the ability to recognize and remove excess humidity. When you’re away from home, you can switch to vacation mode. This gives you the ability to conserve energy usage leading to improved efficiency, and with improved efficiency there are greater savings.

Upgrade Your Thermostat with Advent Air

The Carrier Cor Thermostat is designed to be compatible with just about any system type. It requires a common wire for power and should be installed by a professional technician. At Advent Air, we have the experts who can help you to upgrade your current thermostat to this smart system so you can experience convenient remote access and improved energy savings. Follow us for more up-to-date information on choosing the right thermostat for your home and for more heating and cooling tips.

New technology HVAC Lewisville, Texas

Top HVAC Technologies For The Coming Year

HVAC (heating, ventilating, and air conditioning) is an important part of our lives. Every home and business must have a proper functioning HVAC system to run smoothly, and the technology of these systems has developed greatly over time. For the most recent trends, here are some expected developments coming in HVAC technology in 2016.

Firstly, it is expected that HVAC technology will get smarter as it develops. This includes such things as smart thermostat technology and smart equipment integration that allows contractors to automate their sales and service, giving them more time and financial benefits. As customer demand for smarter equipment grows, so too will the way in which HVAC contractors use this technology to manage their business.

Secondly, HVAC businesses will become more connected, and rely on multifaceted software to streamline and manage their business.
Recent trends show that it’s becoming more and more important for HVAC businesses to utilize mobile solutions when servicing customers, and the savvy businesses who master this skill will be the ones that get ahead.

Recent trends also show that construction will continue its recovery throughout 2016, which will lead to more growth and demand for new HVAC system installations for both residential and commercial customers.

In addition, HVAC maintenance and services will become even more efficient through mobile solutions and technology. As HVAC units become more and more complex, it will be very important to establish regular maintenance programs to prevent problems from developing. Like getting regular check-ups from your dentist, HVAC professionals will become more centered on this preventative care to ensure that the more complex systems that are being installed continue to function properly. This will also lead to increased training for HVAC professionals to ensure that they understand how to properly service the new technology. Research is also finding that technology such as mobile apps will drive successful service programs in 2016.

As you can see, there are many exciting changes coming for the HVAC industry in 2016. To stay up to date on the latest information, follow us for more articles on how to keep your HVAC system running efficiently and ways to save money.

Green energy Lewisville, Texas

Surge Protectors And HVAC: What You Need To Know


The term power surge can cause many people to break out in a sweat and dollar signs to flash before their eyes. When most homeowners think of surge protection, the think of their computers, cell phones, and flat screen televisions. While all of these devices are important to protect from a power surge, technology has now made it that they are not the only ones. In fact, home telephones and HVAC systems now fall into the category of technology appliances that need protected from a fateful power surge. A lightning strike or a power grid problem can be the death of even your HVAC system. Power surges can cause great added expense with the potential of needing to replace several important pieces of equipment within the home.

HVAC systems used to be mostly mechanical. This mean they were safe from a power surge or other electrical problem. However, over the years they have grown to be more technical and involve more technologies, especially higher efficiency systems. If a power surge happens, there is no telling the amount of damage that could be done to your HVAC system. Your system could fail or be difficult to repair. Hidden damage over time can even cause a failure. Large surges can cause immediate total failure, meaning you will need to replace your entire HVAC system altogether. This can cause a lot of problems, as replacing an HVAC system can be costly and timely.

In these cases, an ounce of prevention is worth a pound of cure. You can’t stop a power surge from happening, however, there several steps you can take to help protect your HVAC system. The first step is to install a whole-home surge protector. It will install at the main breaker box and stops too much power from coming into the power line. In addition, you can purchase HVAC surge protectors and individual surge protectors and plug them into outlets near electronic equipment. If you have question about your HVAC system being protected from a power surge, it is wise to contact an HVAC professional in your area.

Follow us for more great articles on heating, air conditioning, and home needs.

Green house Lewisville, Texas

Combat Air Pollution With HVAC Technology

Improvements in the last several years in HVAC technology have led to increasingly better indoor environments that benefit everyone who lives or works in a building. Indoor air quality is particularly important for large commercial buildings such as corporate offices, stores, hospitals, etc that must have high quality indoor air for the many people that are there daily.

The primary standard for indoor air quality has been developed in a cooperative effort between American National Standards Institute and the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE). Commercial facility managers need to become aware of these standards so that they can implement the right technology and maintenance practices.

Facility managers should consider four factors that affect indoor air quality: filtration, air quantity, remote monitoring and control of equipment and airflow patterns.

HVAC systems play a crucial role in maintaining indoor air quality by providing heating or cooling, humidification or removal of excess humidity and controlling airborne contaminants. Building climate control systems also bring in outside air that helps control the effect of indoor emissions and volatile organic compounds (VOCs), and bioeffluents emitted by those living or working in the building.


You Can’t Rely On HVAC Technology Alone

In order to maintain high indoor air quality, factors such as maintenance practices, control systems, air handlers and filters should be closely monitored. Properly maintained HVAC systems improve air quality and keep the units running at peak efficiency. Changing air filters is important to overall operation, but they also aid in the proper removal of contaminants. Control systems and air handlers must be able to properly fulfill your building’s air quality requirements or else you will risk poor airflow and a decrease in indoor air quality.

State-of-the-art monitoring systems are able to integrate well with building automation to help improve air quality. This type of HVAC technology includes sensors for temperature, humidity and VOCS. Additionally, consider low-cost carbon dioxide sensors to assure that all areas receive proper ventilation. All of these types of data provide essential information that will help managers monitor indoor air quality.

Call Today To Speak With Our HVAC Technology Experts!

Adjuster air conditioning system Lewisville, Texas

Tips For Right-Sizing Your Commercial HVAC System

Right-Sizing Your Commercial HVAC Systems will not only help you meet the performance expectation of today’s more efficient homes, but will also increase the comfort and efficiency expectations of the your house or room’s occupants. Here is an overview of the tips that you can utilize to right-size your commercial HVAC systems right from the design of your project through installation and testing stage.

Include Precise Insulation and Sealing Specifications

Specify the right level of insulation that you need as well as the depth that you anticipate to blow in an attic. Use blow-in insulations for optimum wall insulations—a minimum of R-22 in the walls and R-50 in attics is recommended. You can also use air-sealing systems in spraying thin layer of foam to seal the gaps between framing and sheathing (especially in stud and joist bays) before installing cavity insulations. Again, you can use advanced framing techniques that reduces thermal bridging and increase insulated surface areas.

Correct window U-value and SHGC

U- Value and Solar Heat gain coefficient (SHGC) of .30 is usually recommended. Default window U-value or SHGC data will increase the sizing of your AC, which can in turn impact negatively its performance considering that 30-40 percent of the cooling load will be attributed to the solar gains via the windows. Placement details such as shading, overhang, and orientations can significantly impact this information.

Have Duct Work and Distribution System in Mind

When designing your projects, have HVAC and duct work system in mind—right from the beginning of the project. High efficiency HVAC systems should be located within well conditioned envelope of your home, accommodated by right framing systems such as pre-cut I-joists that are engineered for duct opening cuts. Attic should also have more insulation.

Seal All Ducts and Air-Handling Equipment

Leaking ducts can result into energy losses and poor indoor air quality. Accordingly, ensure that all ducts and air handlers are sealed tightly using mastic at all joints, connections, elbows, and terminations. Ensure that the tested duct values do not exceed 3 percent of the gross air flow on your system.

Test Your System for Performance

Like duct tests, you need to carry a system performance check for delivered air flow, room to room pressure, duct tightness, and A/C system charge to ensure that they meet your specifications.

Right sizing will help design, specify, and install your HVAC system to match specified efficiency design features and performance goals. Follow our blog for more information on heating, cooling, and keeping your home energy efficient.

Furnace Repair Lewisville, Texas

Replacing A Furnace? 3 Things To Think About Before You Do

Replacing your furnace may seem like the only solution when you are unable to get your heating needs. On the other hand, it’s not the answer to all heating problems. Sometimes, complex problems have simple solutions and problems that look very small may need big solutions. It’s hard to tell right away what needs to be done, particularly if you don’t have professional experience in furnace maintenance. If you want to make certain that you are doing the right thing, here are 3 things that you can think about before replacing your heater.

When was the last time I had my furnace checked?

If you can’t remember your furnace being checked by a professional for the past ten years, there is a possibility that it needs to be replaced. On the other hand, if your furnace has just been installed a couple of months ago, you need to have it inspected immediately to see what options are left. You wouldn’t want to replace your furnace right away, especially if it is still covered by warranty.

How many times was my furnace fixed in the past?

If your furnace always needs to be fixed, you may want to look for better options in the market. Avoid going with cheap deals without looking at reviews. It’s hard to invest on something that you will have to replace after a short period of time. Choose from quality furnace brands and create a budget plan when buying one. When you invest on a good furnace, you can have peace of mind knowing that it will last for many years.

Did an expert confirm that my furnace should be replaced?

If you don’t have enough knowledge to decide whether your heating device needs to be replaced or not, you need to call an expert to help you out. It will be easier to get something that you know you need, rather than keep guessing without really understanding what’s going on. When you call us to discuss your furnace replacement options today, you can also get tips about furnace efficiency and how to keep your furnace in good condition.