What products are engineers most interested in? Here are the top five most popular products at ESmagazine.com this month.

1. OptiPoint™ Smart Valves – AutomatedLogic

2. R-1234ze-Compatible and Oil-Free EVR v2 Solenoid Valve – Danfoss

3. LineShot™ CO2 Pressurized Condensate Line Flushing Tool – RectorSeal

4. CBA38MV Air Handler – Lennox

5. Optimum™ Choice 15- to 27.5-Ton Rooftop Units – Luxaire®

We add products to our website nearly every day, so check the latest additions anytime in the full Products section.