As the era of decarbonization brings focus to the domestic hot water production of buildings, heat pumps have become the leading technology utilized to achieve this goal with great success.  Fossil fuels can be removed from systems and high COPs can be achieved, even as...

Here at AirReps, our team of HVACR experts hears it all! We’re always answering questions about HVACR systems that are facing issues in running properly. Every so often we get a call from a customer wondering why their turbine meter...

The entire team here at AirReps, which now includes the Control Products Group division, is dedicated to helping customers and partners with all of their HVAC needs, 24/7. That’s why when we had a customer reach out with an issue on their HVAC...

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...

Recently, we had an interesting inquiry from a customer about having a VFD go to a preset speed from a single input. In this case, that would pre-empt the speed the drive is being commanded to in normal circumstances.   For...

What makes AirReps such a special place to work are the people who make up our dedicated team. Not only for the work they do, but for the difference they make in our community each and every day. This winter,...

After more than three decades of remarkable leadership, Michael Hawkins, our CEO and long-time guiding force, has retired as of November 2025. Hawkins began his AirReps journey in 1993, joining what was then the small but ambitious Washington Air Reps....

If you’ve read our blog for a bit, you will have most likely realized that many of our topics come from the inquiries of customers and partners. Instead of helping just one customer at a time, we developed blog posts...

Understanding the U4 Error Code in Daikin VRV Systems  If you’re seeing a U4 error code on your Daikin Variable Refrigerant Volume (VRV) system, you’re dealing with a communication issue that needs prompt attention. This error is one of the...

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...