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With innovative design and control technology, the Laars MagnaTherm FT boiler provides reliability, exceptional energy efficiency and industry-leading performance for a variety of commercial applications and conditions, the company explains. Advanced features include the Laars Tru Trac O2 trim control system for ideal combustion across the boiler’s 20:1 turndown range; the Laars Linc intuitive control system; and Laars CF-Tech-designed contoured flue tubes for even heat distribution and maximum heat transfer, which increases efficiency and extends the life of the heat exchanger.

CREST with Hellcat Combustion Technology features RealTime O2 trim that includes feed forward, feed back, commissioned trim and learned trim. By using all this information, the O2 sensor combined with Lochinvar’s Smart Touch control allows the unit to adapt to its environment. The control platform records the optimal settings, so that as environmental conditions arise, the combustion system can adjust automatically with ease, Lochinvar explains.

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

Bosch singular combi wall boilers provide efficient heating and hot water for residential applications. Depending on inlet water temperature, the 4000 model can run between two and three showers. The 5200 can run three showers plus a dishwasher. Both models are compact and under 80 pounds, making installation a breeze.

The Noritz Residential Combination Boiler (NRCB) allows for simultaneous residential, domestic hot water and space heating. The unit’s simultaneous capabilities are easy to control and especially beneficial for applications that do not store or deliver heat energy efficiently, the company explains. Performs at a 95% AFUE and is Energy Star certified.

The Rinnai I-Series condensing boiler simultaneously delivers domestic hot water and central heating to serve home heating needs. With dual zone heating, hot water temperature control and built-in recirculation for combination models, the I-Series condensing boiler is a perfect blend of reliability, technology and performance in one compact unit, the company notes.

Available in heating and combi models, the all-new Alta offers next-generation gas adaptive technology, providing no-touch 5-minute startup, automatic self-calibration, and sensorless outdoor reset. A simple switch converts the Alta from gas to LP (no kits or tools required). Combi models offer a virtually instantaneous DHW response, selectable comfort/recirculation modes, and include an AltaFastPipe (primary/secondary manifold).

Triangle Tube’s Instinct floor-standing boilers are produced with No-Fault Forward manufacturing and include: Caleffi 548 Series separator (shown mounted), left or right side boiler and gas connections, Wi-Fi connectivity (Tsync), stainless steel fire tube heat exchanger, peace of mind warranty, and combi units have 5-plus-gpm DHW output.

Weil-McLain’s 95% AFUE high-efficiency ECO Tec boiler features heat only and combi versions for all residential space and domestic hot water heating, the company explains. It features a durable stainless steel fire tube heat exchanger with sound-dampening air silencer, corrosion- resistant condensate collector base, built-in zone control, easy-to-use setup wizards and touch screen display.