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The latest industry insights from the pros at AirReps.
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Daikin VRV, A2L requirements, 2021 IMC, and ASHRAE 15
Our team of HVAC experts at AirReps has now been through several Daikin VRV projects across Washington under A2L requirements, and the process is starting to become more consistent. The code framework itself, including the 2021 IMC and ASHRAE 15, is well established. What has taken some time is understanding how those requirements show up in real projects through design, plan review, and installation. From both a design and field perspective, a few things have become clear. New Construction: Straightforward with Early...
Justin Sipe
April 22, 2026
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Daikin VRV
Daikin VRV, A2L requirements, 2021 IMC, and ASHRAE 15
Our team of HVAC experts at AirReps has now been through several Daikin VRV projects across Washington under A2L requirements, and the process is starting to become more consistent. The code framework itself, including the 2021 IMC and ASHRAE 15, is well established. What has taken...
Velo
Stabilizing Performance and Reducing Swing Tank demand with the new generation of Domestic HWHPs
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...
ONICON Insertion Turbine Meter
ONICON Insertion Turbine Meter Diagnostics
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...
BACnet, VFDs
Ways to Program a Run Status for the VFD on an HVAC System
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...
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