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
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
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
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
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
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
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
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
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
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



