Printer Friendly (PDF) Condensing boilers are most efficient at lower return temperatures and lower firing rates. Let’s look at lower firing rates today. Turndown is …
Maximizing Delta T in Boilers
Printer Friendly (PDF) Last week, we created a chart showing the flow rates and temperatures in an example system so we could maximize the delta …
Condensing Boiler Piping – Part 1
Over the next several weeks, the Monday Morning Minute articles will focus on the piping side of boiler and water heater layout. We will focus …
Venting Considerations for Condensing Boilers & Water Heaters
Printer Friendly (PDF) How do I vent my condensing boiler or water heater? What materials should I use? What size vent should I use? The …
Turndown Ratios in Condensing Boilers and Water Heaters
Printer Friendly (PDF) Early hydronic boilers started with on-off control, moved into staging, and many now use modulating control. Each one of these steps has …
Materials of Construction for Condensing Boilers and Water Heaters
Printer Friendly (PDF) Before we start discussing materials of construction, there is a point that we need to understand. Any boiler or water heater can …
What is the efficiency of my installed condensing boiler or water heater?
If you answered 97%, you’re not alone. You’re most likely not right, but you’re not alone. Many boiler manufacturers have jumped into the world of …