Last week we suggested using an efficiency less than the published maximum when selecting a hydronic condensing boiler for a comfort heating system. This week …
Condensing Boiler Specification – Part 1 – Design Efficiency
Condensing boilers can provide optimum efficiency for your clients’ heating systems. What do you need to understand and decide on when creating the specification and …
Primary Secondary Piping Basics: Part 3 – The Common Pipe and Boiler Loops
Many boilers manufacturers recommend or suggest using a primary secondary arrangement rather than primary variable pumping. Often this piping scheme is suggested to avoid flow …
Condensing Fire-tube Boiler Heating Systems: Why Primary-Secondary Pumping May Make Sense (Part 2 of 2)
Engineers, today, tend to lean towards primary-variable piping systems in hydronic heating and cooling systems for commercial applications. The simpler piping and elimination of a …
Condensing Fire-tube Boiler Heating Systems: Why Primary-Secondary Pumping May Make Sense (Part 1 of 2)
Primary variable pumping systems are common in large commercial hydronic systems using firetube boilers. When we are designing smaller systems with loads less than one …
Fall Hydronic Classes with Engineering PDH Credit
Many seasoned engineers and contractors have retired or slowed down over the last four years. Our industry is blessed with many newer additions to …
Turndown Ratio in Condensing Water Tube vs. Fire Tube Boilers (Part 2)
Turndown Ratios may have two different meanings to engineers designing a hydronic heating system for building or process systems. The normal turndown is defined as …
Water Tube vs. Fire Tube Condensing Boilers (Part One)
The commercial condensing boiler market is flooded with choices. Once choice is obviously the manufacturer. But before you even get there the question could be, …
Top 10 Things You Should Know About Commercial Electric Boilers (Part 1)
HVAC and Plumbing Engineers are discussing more decarbonization and electrification of systems with their clients. The use of electric boilers vs. gas fired condensing boilers …
What is a Flexible Tube Condensing Boiler? Why My Client May Want It
Heating and cooling service contractors take the brunt of complaints over the high cost of condensing boiler repairs. A high efficiency condensing boiler heat exchanger …