Tunnels and underground spaces move enormous volumes of […]
Heat Recovery at Wastewater Treatment Plants: From Digester to Building
A wastewater treatment plant is a surprising place to f […]
Generator and Engine Exhaust Heat Recovery with Air-to-Air Cores
Standby diesel and gas generators, and indeed any conti […]
Estimating Heat Recovery Payback: A Practical Calculator Walkthrough
Before spending capital on an air-to-air heat recovery […]
EC Fans + Heat Recovery: Cutting Both Fan Power and Heating Load
When engineers chase energy savings in a ventilation sy […]
Bakery & Oven Exhaust Heat Recovery: Taming Grease-Laden Hot Air
Walk into any commercial bakery and you feel it immedia […]
How Heat Pipe Heat Exchangers Work: Passive, No-Moving-Parts Recovery
A heat-pipe heat exchanger is the quiet workhorse of ai […]
Frost and Defrost Strategies for Rotary Energy Wheels in Cold Climates
A rotary energy wheel is exceptionally effective at rec […]
Integrating Air-to-Air Heat Recovery into Air Handling Units (AHU)
An air handling unit is where air-to-air heat recovery […]
Run-Around Coil Systems: Design Rules for Separate Airstreams
When the supply and exhaust ducts are in different part […]