How to Handle 100% Outside Air Without Fossil Fuels Even at -10 °F  Designing HVAC systems for 100% outside air in cold climates has always been a challenge. When ambient temperatures drop below freezing, most DOAS heat pumps lock out...

Using your VFD should bring ease to your life, but we all know how difficult it can be when equipment is not functioning properly. Recently, we had an inquiry about Warning 34 on the Danfoss VFD, so we thought it...

In this technical HVAC blog post, our VFD expert, Tom Mahrer provides the step-by-step process needed to provide a “Proof of Operation” via the VFD Relay to show that the motor is operating with a desired range of motor Amperage....

When installing a Daikin VRV (Variable Refrigerant Volume) system, there are several key factors to consider to ensure proper installation and maximize system performance. AirReps has invested in VRV field project specialists in each of our offices to make sure...

Since the coronavirus first made headlines back in 2019, COVID-19 has been top of mind for citizens of the world around the globe. As counties and communities around the world have adjusted to this global pandemic, it has changed the...

One thing I’ve always been a fan of is a well-developed process. Whether working toward a personal goal and taking the necessary steps to achieve that goal, the process is always the fun part for me. The many steps involved...

In the majority of our blog posts, we give tips, tricks, and guidelines that allow users to test them out on their own before having to go through the hassle of making a call in order to keep their HVAC...

When working with your VFD, the motor, of course, is a vital piece of the puzzle in making sure that your system is running smoothly. Often times, we have clients and partners ask us about VFD sizing in terms of...

Recently, our Control Products Group team had an inquiry from a customer who was asking how to view the status of the inputs on a Danfoss VFD, as they couldn’t quite figure out when the VFD system was on or...

We often hear about new initiatives, plans, proposals, and laws put in place to ensure that businesses are running as ecologically friendly as possible, and the HVAC industry is no exception. In fact, as the HVAC industry becomes more prevalent...