Laars Boilers & Combi Boilers


Laars has been manufacturing high quality boilers, combi boilers and domestic hot water heaters for residential and commercial markets since 1948 in their New Hampshire facility. All current Laars boilers and hot water heaters are engineered using extensive lab testing and the latest in fluid dynamic software. In addition, all boilers and hot water heaters are ‘live-fire’ tested out of the factory for safety, dependability, quality and functionality.
ductless.ca Inc. is please to offer sales, installations, and service for the full range of Laars condensing boilers and combi boilers including the FT Series, NeoTherm, and Mini-Therm. We also offer sales, installations, and service for the Mascot and Laars-Stor line of domestic hot water heaters and tanks.
Why choose ductless.ca Inc. to install your Laars boiler?
ductless.ca Inc. is your go-to provider for professional and reliable installations of Laars boilers. Our team of certified technicians have years of experience and are dedicated to ensuring that your boiler is installed safely and efficiently. Our expertise in hydronic heating technology ensures that we will properly size your Laars boiler for your specific needs, maximizing your heating efficiency and reducing your energy costs. Our commitment to quality, safety, and customer satisfaction means that you can trust us to provide the best service possible. We offer a no obligation in-home estimates and a comprehensive 10-year factory heat exchanger, 5-year factory parts and 2-year labour warranties. Choosing ductless.ca Inc. for your boiler in the Toronto, GTA and Georgian Bay area is the smart choice.
Laars Boilers We Proudly Offer
The Laars FT Floor Standing series of boilers are available in both space-heating and combi configurations and packed with features. The FT utilizes an advanced fire tube heat exchanger with aluminum inner fins and a stainless-steel outer casing. Every boiler comes with easy to use Laars integrated controls and with an ultra-high efficiency of 95+% AFUE, these boilers are sure to please even the most demanding homeowners. Industry best domestic hot water delivery from a combi boiler with a first minute delivery of 6+ GPM at a 70oF rise and continuous delivery of 5.2 GPM at a 70oF rise. This unit also has smart heating where space heating continues to be delivered while prioritizing domestic hot water.
Features at a glance:
- Efficiencies of 95+% AFUE,
- Available in both space-heating and combi configurations,
- Up to 10:1 turn-own ratio,
- Low NOx emissions,
- The combi models include a 6 USG tank for a hybrid water heater design,
- Advanced yet easy-to-use integrated controls,
- Pair with a Laars-Stor® indirect hot water heater,
- Warranty by ductless.ca Inc.
Heat Exchanger: 10 Years
Parts: 5 Years
Labour: 2 Years
External Link: Laars FT Floor Standing Boilers (Space-Heating Only)
External Link: Laars FT Floor Standing Boilers (Combi)

Model | LFTCF199 | LFTHF199 Combi |
---|---|---|
Rated CSA Input (Max) (MBH) | 199 | 199 |
Net AHRI Rating (MBH) | 158 | 158 |
AFUE | 95.3% | |
Max DHW Output (At 70°F Rise) | N/A | 20 l/m (5.2 GPM) |
ENERGY STAR® Certified | ![]() |
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Fuel | Natural Gas, Liquid Propane Gas |
Laars FT Series Wall Mounted
Boilers & Combi Boilers
The Laars FT wall mounted series is available in both space-heating and combi-boilers and come with a fire tube stainless steel heat exchangers, high efficiencies, and a long life. An integrated, fast acting domestic hot water tank is included for fast acting response at your taps with the combi series. The Laars FT boilers are easy to maintain control with the integrated advanced control system.
Features at a glance:
- Available in space-heating or combi configurations,
- Integrated domestic hot water 1-gallon mini tank,
- Up to 10:1 turn-down ratio,
- Stainless steel fire tube heat exchanger,
- Efficiencies of 95% AFUE,
- Left side access panel for easy access,
- Laars advanced controls,
- Cascade up to 20 Laars FT boilers,
- Warranty by ductless.ca Inc.
Heat Exchanger: 10 Years
Parts: 5 Years
Labour: 2 Years
External Link: Laars FT Wall Mounted Series Boilers

Model | MFTHW100 | MFTHW140 | MFTHW199 | MFTCW140 Combi | MFTCW199 Combi |
---|---|---|---|---|---|
Rated CSA Input (Max) (MBH) | 100 | 140 | 199 | 140 | 199 |
Net AHRI Rating (MBH) | 93 | 129 | 181 | 129 | 181 |
AFUE | 95% | ||||
Max DHW Output | N/A | 720 l/h (3.2 GPM) | 1,080 l/h (4.8 GPM) | ||
ENERGY STAR® Certified | ![]() | ![]() | ![]() | ![]() | ![]() |
Fuel | Natural Gas, Liquid Propane Gas |
Laars NeoTherm Series Boilers
The Laars NeoTherm floor standing space-heating boilers come with the latest condensing heat exchanger technology and are considered by the industry as the ‘residential workhorse’ boiler. With an efficiency of 95% AFUE, no NOx emissions and Energy Star rated, these boilers should be on your list. Available in 80 to 285 MBH sizes.
Features at a glance:
- Floor standing design with all connections on the top,
- Can be combined with the Laars-Stor in-direct hot water tanks for domestic hot water,
- Efficiency of 95% AFUE,
- ASME stainless steel heat exchanger,
- Up to a 5:1 turn-down ratio,
- Comes with the LAARS integrated control system,
- Connect to a building automation system for your smart home,
- Warranty by ductless.ca Inc.
Heat Exchanger: 12 Years (pro-rated)
Parts: 2 Years
Labour: 2 Years
External Link: Laars NeoTherm Boilers
Model | NT 080 | NT 105 | NT 150 | NT 210 | NT 285 |
---|---|---|---|---|---|
Rated CSA Input (Max) (MBH) | 80 | 105 | 150 | 210 | 285 |
Net AHRI Rating (MBH) | 74 | 96 | 138 | 194 | 264 |
AFUE | 95% | ||||
ENERGY STAR® Certified | ![]() | ![]() | ![]() | ![]() | ![]() |
Fuel | Natural Gas, Liquid Propane Gas |
Laars Mini-Therm JX Series
Boilers & Combi Boilers
The classic Laars Mini-Therm JX cast-iron boilers are reliable and proven with capacities to meet the most demanding homeowner. The Mini-Therm JX boilers come with a unique copper finned heat exchanger with cast-iron ‘wet walls’ which stores excess heat to reduce short cycling. The design allows a more compact footprint with higher efficiencies. An integrated low-loss header further improves performance and increases the life of the heat exchanger.
Features at a glance:
- Compact cast-iron with copper fins heat exchanger,
- Designed for simple retro-fits for homes with existing outdated boilers,
- Smaller and lighter than traditional cast-iron boilers,
- Integrated low-loss header,
- Optional power vent for side-wall venting,
- Integrated Mini-Therm JX controls,
- Warranty by ductless.ca Inc.
Heat Exchanger: 20 Years (pro-rated),
Parts: 10 Years (pro-rated),
Labour: 2 Years
External Link: Laars Mini-Therm JX Boilers

Model | MT-JX 50 | MT-JX 75 | MT-JX 100 | MT-JX 125 | MT-JX 150 | MT-JX 199 |
---|---|---|---|---|---|---|
Rated CSA Input (Max) (MBH) | 50 | 75 | 100 | 125 | 150 | 199 |
Net AHRI Rating (MBH) | 42 | 63 | 84 | 105 | 126 | 168 |
AFUE | 84% | |||||
ENERGY STAR® Certified | No | |||||
Fuel | Natural Gas, Liquid Propane Gas |
Series discontinued. Limited availability in 2023.
The Laars Mascot FT series of boilers are available in both space-heating and combi configurations and packed with features. The Mascot FT utilizes an advanced fire tube heat exchanger with aluminum inner fins and a stainless-steel outer casing. Every boiler comes with easy to use Laars integrated controls and with an efficiency of 95% AFUE, these boilers are sure to please even the most demanding homeowners.
Features at a glance:
- Fire tube heat exchanger,
- Efficiencies of 95% AFUE,
- Available in both space-heating and combi configurations,
- Up to 10:1 turn-own ratio,
- Low NOx emissions,
- The combi models include a mini-tank for a hybrid water heater design,
- Advanced yet easy-to-use integrated controls,
- Cascade up to 20 Mascot FT boilers,
- Warranty by ductless.ca Inc.
Heat Exchanger: 10 Years
Parts: 5 Years
Labour: 2 Years
External Link: Laars Mascot FT Boilers (Space-Heating Only)
External Link: Laars Mascot FT Boilers (Combi)


Model | MFTHW100 | MFTHW140 | MFTHW199 | MFTCW140 | MFTCW199 |
---|---|---|---|---|---|
Rated CSA Input (Max) (MBH) | 100 | 140 | 199 | 140 | 199 |
Net AHRI Rating (MBH) | 93 | 129 | 181 | 129 | 181 |
AFUE | 95% | ||||
Max DHW Output | N/A | 720 l/h (3.2 GPM) | 1,080 l/h (4.8 GPM) | ||
ENERGY STAR® Certified | ![]() |
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Fuel | Natural Gas, Liquid Propane Gas |