Minimum Flow in Variable Speed Pumps for Building Hydronic HVAC Systems (Part 2)

Norm Hall Hydronic Design, Monday Morning Minutes, Piping and Installation, Primary Variable, Pumps, Selection & Specification, Variable Speed

The HVAC engineer designing a hydronic system understands the need to protect the circulating pumps from a dead head or no flow condition. This week, …

Bike Race
Bike Race

Commercial Gas Fired Water Heaters – The Battle Between Tankless & Storage: Risk and Reward

Norm Hall Gas Fired, Monday Morning Minutes, Tank type, Tankless, Volume, Water Heaters

Gas fired tankless and tank storage water heaters are choices for the consulting engineer in commercial and institutional buildings. There are many marketing pieces supporting …

Who will win the battle?
Who will win the battle?

Commercial Gas Fired Water Heaters – The Battle of Efficiency Between Tankless & Storage

Norm Hall Gas Fired, Monday Morning Minutes, Tank type, Tankless, Volume, Water Heaters

Tankless, sometimes called instantaneous, and storage water heaters have been utilized in commercial and institutional buildings for a long time. The overwhelming majority of these …