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Your HVAC Knowledge Hub
The latest industry insights from the pros at AirReps.
Latest Post
Viewing the status on Danfoss VFD inputs
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 off. While this may seem confusing at first, here at AirReps, we’re experts in HVAC, so of course we have advice on an easier way to check the status of your VFD system by utilizing...

AirReps
July 8, 2025
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R-32
An Introduction to R-32 Refrigerant
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...
Ebtron transmitters
Ebtron Analog Output Scaling and Testing
Recently, a long-time customer and partner was inquiring about the analog output scaling for Ebtron transmitters. It’s a great question, as there is a plethora of information to understand when diving into Ebtron transmitters. Below, we have listed some of...
Custom HVAC solutions
Making Decisions in Uncertain Times: A Long-Term Approach for HVAC and Energy Efficiency
In today’s evolving energy landscape, making the right HVAC and energy efficiency decisions is more complex than ever. Shifting tariffs, regulations, and technology create uncertainty. The key is to act based on the best available information while maintaining a long-term...
VFDs
VFD HVAC issue and assistance – Jumpy Analog Inputs, Plus Input 53 Speed Reference Filtering
Here at AirReps, our Control Products Group division has an incredible legacy of creating blog posts to directly help customers and partners. This particular issue was impacting a customer named Ryan who was looking at his VFD one morning when...
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