Coming in 2018 - The New AAON Research & Development Lab

Posted on October 25, 2017 by Buck Nye

The new AAON Research & Development Lab opening in fall of 2018 solidifies AAON as the technological leader in high performance HVAC equipment.

The 162,000 square foot labratory has 6 psychrometric chambers, 2 environmental chambers, 1 sound chamber, and an open testing area.  This lab has the capabilities to test at your job site design condition! Read More

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Merging Efficiency, Redundancy & Custom Design - TMI ECblue Air Handling Units

Posted on September 27, 2017 by Buck Nye

Are you looking for an energy efficient air handling unit with redundancy AND flexibility? 

The ECblue Motor Air Handling Unit provides all of this with the custom air handling offerings of TMI Climate Solutions.  Incorporating ECblue motors with the TMI Fan Array™ creates a system that in one fell swoop benefits many areas of building management.  Read More

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Why EC Motors Are More Efficient than AC Motors

Posted on September 23, 2017 by Buck Nye

What Is an EC Motor?

Electronically commutated (EC) motors are highly efficient, programmable, brushless DC motors utilizing a permanent magnet rotor and a built-in inverter. Basically, it is a DC motor (in a DC motor the mechanical commutation switches the direction of the current) with a built-in VFD and a DC to AC transformer. However in EC motors, the mechanical commutation and the brushes are replaced by an electrical commutation. The major advantages are that they are extremely efficient, especially at reduced speeds compared to traditional motors. Also, they have a built-in speed controller eliminating the need for a separate VFD. (At this time they are only available up to about 6.5 hp.) 

Why are EC Motors more efficient than AC Motors? 

  • EC motors are electronically commutated synchronous motors. No slip between electrical rotating fields (stator) and mechanical speed on shaft (rotor) due to the permanent magnets. (Slip means that the speed of the electrical rotating fields is higher than the mechanical speed on shaft.)
  • Insignificant rotor losses, rotor magnet field is created by the permanent magnets.
  • With an asynchronous AC motor, the rotor magnet field is caused by an induced current in the short circuited rotor windings Losses.
  • All TMI external rotor motors are asynchronous AC motors (Slip)
  • Most of these are voltage controllable, so we say the motors are “soft” Higher Slip (Higher Losses) 

Download the TMI ECblue Motor Brochure.

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SEMCO 3fficiency™ is the Pinnacle of efficient hydronic systems.

Posted on August 16, 2017 by Buck Nye

3fficiency™ is the “Pinnacle” of efficient hydronic systems.

Working with the Pinnacle dedicated outdoor air system and active chilled beams, the award-winning chilled beam pump module, NEUTON, plays a key role in the system by managing the water system to allow for a building level occupant control that is superior to all other systems. Read More
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It's time to wake up to the surprising benefits of modular chillers.

Posted on July 19, 2017 by Buck Nye
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Simplify Energy Efficiency in High Rise Construction with Unilux

Posted on June 1, 2017 by Buck Nye
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