LAARS Commercial Boilers

When your building depends on heat, there’s no room for “almost.” LAARS commercial boilers deliver proven efficiency, durable construction, and advanced control systems that keep uptime high, and headaches low. Bay City Boiler provides full installation, service, and factory-trained support for the complete LAARS commercial product line.

Why LAARS?

Since 1948, LAARS has engineered commercial boilers built to last — and to perform in the real world. Every system combines rugged stainless-steel construction, precision combustion control, and the Laars Linc® touchscreen platform for easy operation and integration.

• Up to 96% thermal efficiency
• Indoor / outdoor configurations
• Flexible BTU range from 200 MBH to 4,000 MBH
• Engineered and built in Rochester, NH — USA

Product Line Overview

NeoTherm® XTR

• 399 – 1,500 MBH
• High-efficiency condensing boiler or volume water heater
• Compact footprint, quiet operation, and indoor/outdoor versatility
• Perfect for schools, hotels, and mixed-use facilities

FT Series – Commercial

• 301 & 399 MBH
• Wall-hung or floor-mounted flexibility
• Stainless-steel fire-tube design with high turn-down efficiency

MagnaTherm® FT & HTD

• 1,000 – 4,000 MBH
• Up to 96% efficiency with Tru Trac® O₂ trim for precise combustion control
• Laars Linc® touchscreen for full system visibility
• 20:1 turndown ratio for tight load control and low emissions

Pennant®

• 500 – 2,000 MBH
• Modular, field-proven design that makes service simple
• Combines compact footprint with low NOx performance
• Ideal for retrofit and replacement projects

Mighty Therm® 2 Series

• 200 – 2,000 MBH
• Simple, service-friendly controls for legacy system replacements
• Reliable operation and long service life

Commercial Electric Boilers

• 60 kW – 300 kW
• Zero-emission option for electric-preferred facilities
• Advanced digital controls with compact, quiet operation

Smart Technology Inside Every System

Laars Linc® Control:

Touchscreen interface with intuitive diagnostics and integration to building management systems.

Tru Trac® Combustion System:

Automatically adjusts the air-to-fuel ratio in real time for maximum efficiency and clean emissions.

VARI-PRIME® Technology:

Variable-speed boiler pump maintains a precise temperature rise, optimizing total installed efficiency and reducing electrical consumption.

Applications

• Food & beverage production
• Multi-family housing
• Schools and universities
• Hospitals and healthcare
• Industrial process heating
• Commercial offices and mixed-use properties

Partner with Bay City Boiler

Selecting the right boiler is one part of the equation. Keeping it performing for decades is where Bay City Boiler comes in.

Our team provides:

• System design and equipment selection support
• Factory-trained installation and commissioning
• Preventive maintenance and 24/7 emergency response
• Full warranty and parts support

Since 1976 we’ve been serving California commercial and industrial facilities as a trusted boiler sales and service specialist. Learn more about the industries we serve. Need to rent a commercial steam boiler? We do that too!

Get expert help choosing the right LAARS commercial boiler for your facility. Call (800) 8-LOW-NOX or use the form on this page to schedule a consultation.