Ideal for homes in northern regions, Lennox® boilers integrate easily with existing radiator or under-floor heating systems for energy-efficient comfort, all winter long. With efficiency ratings of up to 95% AFUE, Lennox boilers can help you save hundreds of dollars each year in utility bills, compared to older and standard- efficiency boilers. Designed for easy installation, and available in many different sizes and fuel options, all Lennox boilers are built with high-quality components for long-lasting operation. Every unit is fire-tested and inspected prior to shipping to insure the highest possible degree of operating reliability. So you can take comfort knowing your Lennox boiler will deliver dependable performance, season after season, year after year.
Design that's highly innovative and efficient.
The GWM-IE boiler offers an efficiency of up to 95% AFUE, meaning it converts up to 95% of its fuel into useable heat. Fuel flexibility lets you use either natural or LP gas as a heat source.
With an efficiency of up to 95% AFUE, the GWM-IE boiler can mean several hundred dollars per year in energy savings.This product has been designated as one of the Most Efficient ENERGY STAR certified products in 2018. Products that are recognized as the Most Efficient of ENERGY STAR in 2018 prevent greenhouse gas emissions by meeting rigorous energy efficiency performance levels set by the U.S. Environmental Protection Agency.
Inside the heat exchanger shell of the GWM-IE, specially designed helical tubes optimize condensing, allowing near-complete recovery of useable heat from the fuel source.
The modulating capability of the GWM-IE allows the burner to fire at different levels of heat, down to 20% of its full capacity. So your comfort and energy use are always kept in perfect balance.
Continuous modulation allows the GWM-IE to maintain a precise temperature without constantly cycling between on and off. This not only reduces operating sound levels, but it also increases reliability.
Engineered for lasting comfort and energy savings.
With an efficiency rating of up to 90% AFUE, the GWB9-IH Boiler allows you to stay comfortable during even the coldest weather, without worrying about energy costs.
The GWB9-IH is designed to integrate easily into a traditional radiator system. Its lightweight and compact design allows flexible installation inside your home. Fuel flexibility lets you use either natural or LP gas as a heat source.
Every unit is fire-tested and inspected prior to shipping to ensure the highest possible degree of operating reliability. So you can take comfort knowing the boiler will deliver dependable performance, season after season.
The cast-aluminum heat exchanger in the GWB9-IH transfers heat three times faster than conventional cast-iron heat exchangers. So you enjoy rapid warmth when you need it.
Efficient, quiet warmth you can count on.
The COWB3 offers an efficiency of up to 85.2% AFUE, meaning it can deliver significant energy savings, compared to an older boiler. That means you don't have to worry about high heating bills, no matter how cold the winter gets.
By installing an optional tankless coil, you can enjoy hot water for regular use in your home during winter months, without spending extra money on energy.
The COWB3's cast-iron heat exchanger offers long life and dependable operation. It also features a Beckett® burner that sets the standard for reliable, fuel-efficient heating.
The COWB3's sealed combustion design provides quiet, safe, draft-free heating. It also integrates easily into your home's existing radiator system for continuous comfort all winter long.
A reliable way to stay warm and save energy.
The GWB8-IE offers an efficiency of up to 84.4% AFUE, meaning it can deliver significant energy savings compared to an older boiler. So even if winter brings its worst, you'll stay comfortable without worrying about energy use.
The GWB8-IE includes extra attention to durability, with features like a cast-iron heat exchanger and corrosion-resistant titanium burners. Thick fiberglass insulation adds to energy efficiency, while reducing on-off temperature cycling.
The GWB8-IE is available in 6 different sizes for installation nearly anywhere in your home. And if you have a traditional radiator system, the GWB8-IE will integrate perfectly to provide precise heating comfort all winter long.
Depending on where you live, different types of fuel can be more expensive than others. That's why the GWB8-IE gives you a choice of heating with either natural or LP gas.
Reliable heating performance season after season.
The GWB8-E offers an efficiency of up to 83.9% AFUE, meaning it can deliver significant energy savings compared to an older boiler. That means you can enjoy a comfortably warm home all throughout the winter, without worrying about energy use.
To make it a perfect fit anywhere in your home, the GWB8-E is available in 9 different sizes. It also integrates seamlessly into your home's existing radiator system, and can use either natural or LP gas.
The heat exchanger at the heart of the GWB8-E is also designed for lasting durability, over a range of water flow rates. Burners are made of stainless steel for greater resistance to corrosion and oxidation.
Solid value and superb heating.
The GSB8-E offers an efficiency of up to 82.7% AFUE, meaning it can deliver significant energy savings, compared to an older boiler. That means you can relax comfortably about your energy use.
Long life and reliable operation are part of the GSB8-E's design. That's why it uses a cast-iron heat exchanger, titanium burners and an automatic low-water cutoff switch.
The GSB8-E works with your home's existing radiator or under-floor heating system, and is available in 7 different sizes for a perfect fit nearly anywhere in your home.
The GSB8-E can use either LP gas or natural gas safely and efficiently. So you can choose whichever fuel is most cost-effective in your area.