Navien NFB-C commercial condensing fire tube boilers have all key components designed and manufactured in-house, and offer an industry leading 97.5% thermal efficiency, 15:1 turndown ratio, intuitive 7” color touch screen with advanced controls and easy intuitive navigation for setup, troubleshooting and operation, extremely low NOx levels, BMS communications, and 3” venting up to 60’ or 4” up to 150’ with PVC/CPVC/PP/SS approved materials, the company says.

Instinct floor standing boilers include a Caleffi 548 Series separator, left or right-side boiler/gas connections, Wi-Fi connectivity, CTRLMAX 60-second setup, a stainless-steel fire tube heat exchanger, a piece- of-mind warranty, and Combi-units have incredible 5-plus- gpm DHW output, Caleffi explains. Available in Solo 110, 155, 199 and Combi 155, 199.

Navien NFB-H condensing fire tube boilers feature turndown ratios up to 15:1, an advanced user interface with intuitive text display and easy-to-use Setup Wizard, 2" venting up to 65', and built-in hardware to connect a boiler system pump, 3 zone pumps or 3 zone valves.

Lochinvar’s FTX 1.0 fire-tube boiler fits into limited spaces while offering a higher input of 999,000 Btu/h.

When HVAC work needs to be completed for agriculture applications in Ontario, Canada, Gleeson Plumbing & Heating has a reputation of delivering impressive results time and time again.