This month’s editorial calendar features boilers, so I’m going to touch on some of the issues and concerns with the design, installation, and commissioning of these units with a focus on the condensing variety. You might want to stop reading this column and pick up your handy 2020 ASHRAE Handbook, HVAC Systems, and Equipment, to refresh your knowledge of boilers by reading Chapter 32, Boilers. The chapter’s table of content provides a series of important topics, but, surprisingly, the chapter doesn’t address boiler combustion air, ventilation, servicing, troubleshooting, maintenance, or commissioning of the equipment.
Here is a list of things to do when designing condensing boilers for a heating and ventilating project application: