Laars

Laars is a manufacturer of residential and commercial boilers, water heaters, combination boilers, and pool heaters. Founded in 1948 by engineer Avy Miller in California, the company is headquartered in Rochester, New Hampshire, where manufacturing has operated since 1989. Laars Heating Systems is a subsidiary of Bradford White Corporation. Laars products span 50,000 to 5,000,000 BTU per hour in natural gas, LP, and electric configurations.

Product Lines

• Mascot FT (MFTHW / MFTCW series): Fire tube, modulating, condensing boiler/combi. Models: MFTHW100 (81K BTU), MFTHW140 (112K BTU), MFTCW140 (112K BTU combi), MFTCW199 (157K BTU combi). All 95% AFUE, AHRI certified.
• Mascot LX: Modulating condensing combi boiler and tankless water heater. 95% AFUE, AHRI certified, zero-clearance install, venting to 150 feet. Natural gas or LP, 10 models.
• NeoTherm: Modulating condensing boiler, 95% AHRI efficiency, ASME stainless steel heat exchanger, NOx below 10 ppm.
• NeoTherm XTR: Commercial modulating condensing boiler, AHRI-certified 96%+ thermal efficiency, 10:1 combustion turndown.
• Gas-fired pool and spa heaters (residential and commercial sizes)
• Indirect-fired water heaters, storage tanks, controls, and accessories

Why Contractors Specify Laars

• AHRI certified across condensing boiler lines for independent efficiency verification
• NeoTherm: ASME stainless steel heat exchanger and NOx below 10 ppm for low-NOx districts
• Mascot LX: zero-clearance install, venting up to 150 feet for tight mechanical rooms
• Full range from residential combi boilers through commercial water heaters and pool heaters
• State-of-the-art training facility at Rochester, NH headquarters
• Bradford White Corporation subsidiary with national distribution

How to Choose a Laars Product

For residential heating-only: Mascot FT heat-only in 81K to 112K BTU range. For residential heating plus domestic hot water: Mascot FT combi or Mascot LX combi. For commercial with ASME construction and low NOx: NeoTherm or NeoTherm XTR. For pool/spa: consult Laars pool heater sizing guide. Confirm gas type (NG or LP) and venting configuration before selecting.

Frequently Asked Questions

• What efficiency does the Mascot FT achieve? 95 percent AFUE, AHRI certified, heat-only and combi models.
• Is Laars a subsidiary? Yes. Laars Heating Systems is a subsidiary of Bradford White Corporation.
• Maximum venting run for Mascot LX? Up to 150 feet, with zero-clearance installation.
• Commercial boilers? Yes. NeoTherm XTR: AHRI-certified 96%+ thermal efficiency, 10:1 combustion turndown.
• NeoTherm NOx rating? Below 10 ppm NOx, qualifying for low-NOx air quality districts.