Boilers

For homes in northern regions that rely on boilers for heat, there’s no better choice than Lennox.

child with mug Explore the reliable heating performance of Lennox® Boilers

Comfort so warm and reliable, you won’t mind a long winter

Comfort so warm and reliable, you won’t mind a long winter

Lennox® boilers are designed to integrate easily with existing radiator or under-floor heating systems to offer smart, energy-efficient comfort through even the coldest winters.  

Energy savings you’ll really warm up to

up to 82.7% AFUE gas/steam boilers

up to 85.2% AFUE oil/water boilers

up to 95% AFUE gas/water boilers

Innovative materials mean better performance

Lennox builds boilers to stand the test of time, which is why you’ll find components like cast-iron heat exchangers and titanium burners. Warmth feels even better when you know it’s going to last.

Safety and reliability come standard

Lennox innovation means building a safer, more dependable boiler. That’s why Lennox® boilers don’t use standing pilot lights.

“Awesome product and quiet. The Lennox boiler we bought seems to keep the house warmer than it has ever been.”

-Jack 49, Indiana

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. 
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High efficiency, modulating gas-fired condensing combination water boiler

Rating:
Efficiency Rating (AFUE):
up to 95.0
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$$

High efficiency, gas-fired condensing water boiler

Rating:
Efficiency Rating (AFUE):
90.0
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$$

Standard efficiency, oil-fired water boiler

Rating:
Efficiency Rating (AFUE):
86.0
Price Guide:
$$

Standard efficiency, gas-fired water boiler, with chimney or side wall venting

Rating:
Efficiency Rating (AFUE):
up to 84.4
Price Guide:
$$

Standard efficiency, gas-fired water boiler with chimney venting

Rating:
Efficiency Rating (AFUE):
84.0
Price Guide:
$

Standard efficiency, gas-fired steam boiler

Rating:
Efficiency Rating (AFUE):
up to 82.7
Price Guide:
$

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