Category Archives: Energy Recovery

Pumped Glycol Energy Recovery | Filtering Exhaust Air

Just skip the pre-filters in front of the exhaust side of the energy recovery device?   Is that wise?  We know that adding filters can impact costs: cost to purchase pre-filters labor to change disposal costs increased pressure drop This question … Continue reading

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Ask Rick: Prefilters in Front of an Energy Recovery Device?

Ask Rick:  We are working on a lab application and considering not using filters on the exhaust side in front of the energy recovery device.   I would like to hear the pro’s and con’s on  why not to install filters. … Continue reading

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Project Snapshot | Energy Recovery Unit – Tuck School at Dartmouth College

Project Name:     Whittemore Hall Owner:     Tuck School of Business at Dartmouth College Project Application:     Dormitory for Tuck Students Mechanical Engineer:     BR+A Equipment:     Energy Recovery Unit Manufacturer:     Annexair Size:     15,000 CFM   Whittemore Hall … Continue reading

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Pumped Glycol Energy Recovery | Preliminary Design Questions

Preliminary Design Questions for a Pumped Glycol Energy Recovery System: Every energy recovery design starts with a list of questions that should be answered.  If these items are explored and discussed early on it makes for a significantly better design.  … Continue reading

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Energy Recovery Heat Pipes | 5 Advantages of using Heat Pipes for Air-To-Air Energy Recovery

We have choices in equipment that we can select for air to air energy recovery applications.  Here are 5 advantages that Heat Pipes offer; Energy Recovery Heat Pipes Features 1.  Passive OperationNo energy input is required to operate the Heat … Continue reading

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Ask Rick: Air to Air Energy Recovery | How to size the energy recovery device?

Q.  I am working on an Air-To-Air Energy Recovery application.  I am thinking of using a wheel or a heat pipe.  I need to know which will fit.  How do you size the energy recovery device for the application?   … Continue reading

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Heat Pipe for HVAC Systems | Heat Pipe Theory

Heat Pipe for HVAC Systems | Heat Pipe Theory This is a quick overview of how a Heat Pipe works in an HVAC system.   More specific information can be found in free webinars from Heat Pipe Technology. Further questions on … Continue reading

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Ask Rick: Pumped Glycol Systems | Does Air in the Glycol impact performance?

Q.  I have some questions about pumped glycol systems.  What happens if all the entrapped air is not removed from the glycol?   Should a closed loop have auto bleed? A.   Air bubbles entrapped in the glycol circuit are very … Continue reading

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Project Snapshot: Millipore Research and Development | Energy Recovery Air Handling Unit

Project: Millipore R&D Building Location: Bedford,  MA Engineer: Parsons Contractor: Turner Construction Company Manufacturer: Strobic Air, Cambridgeport, Heat Pipe Technology Equipment: Energy Recovery Air Handling Units Size: (4) 30,000 CFM Units DAC Sales Engineer: Jim Shiminski  Project Challenge:     This was … Continue reading

Posted in Cambridgeport, Energy Recovery, Heat Pipe Technology, Heat Pipes, High Plume Dilution Fans, Lab Design, Project Snapshots, Strobic | Leave a comment

Ask Rick: Pumped Glycol Energy Recovery | Pressure Drop for Konvekta Coils?

Q.  What is a typical pressure drop across the Konvekta coils? A.  The air pressure drop across the coils depends on several factors: number of rows, air face velocity, fin spacing and tube alignments. There is a trade-off between thermal … Continue reading

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