GWM-IE Boilers Offer the Highest Efficiency that will Keep You Warm For the most efficiency in boilers, select the Lennox® GWM-IE high-efficiency, gas-modulating condensing water boiler. This product received ENERGY STAR® certification and a 95% AFUE efficiency rating, which is up to 40% more efficient than regular systems. The GWM-IE proves that sometimes, less is more. More efficiency, more savings, more comfort for your home. Technology is the secret to the GWM-IE’s efficiency. For example, these boilers include a modulating burner that operates primarily on a low-flame setting and changes settings as necessary. This helps produce an even temperature without turning on and off, resulting in a quieter home. Additionally, the condensing water feature we mentioned earlier helps retain heat that would otherwise be wasted, thanks to specially designed tubes in the vertical stainless steel heat exchanger. Now that we’ve got you hooked, let’s switch gears. The GWM-IE boiler is safer and more convenient than traditional boilers. A factory-installed low water cut-off switch ensures safe operation. A CPVC flue condensate collector safeguards against corrosion and leaking. A wall-hung design makes it easy for you to save space with its wall mounting ability. We’re convinced...how about you? Browse through the GWM-IE boiler product brochure to learn even more. Our Service Experts Heating & Air Conditioning team in Longmont will help you with whatever you need to purchase and install a new GWM-IE boiler. Add the most energy efficient and reliable boiler offered by Service Experts to your home. Schedule an appointment with one of our professionals today.