- Boilers, Lennox Boilers
- Lennox GWB8-E Gas-Fired Water Boiler
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- The Lennox GWB8-E Gas-Fired Water Boiler delivers reliable heating performance and maximizes efficiency by turning the burner on only when needed.
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- Boilers, Lennox Boilers
- Lennox GWB8-IE Boiler
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- GWB8 IE gas fired boiler integrates with existing radiator systems, offering efficiency ratings of up to 84 4 AFUE, ideal for home boiler replacement.
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- Boilers, Lennox Boilers
- Lennox GWB9-IH Gas-Fired Water Boilers
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- Lennox GWB9-IH high efficiency, 90% AFUE, gas fired boiler works with traditional radiator systems to provide precise heating comfort.
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- Boilers, Lennox Boilers
- Lennox GWM-IE High Efficiency Home Boiler
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- The GWM IE boiler offers efficiency ratings of up to 95% and can maintain a precise temperature without constant on and off cycling and operational noise.
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- Humidifiers
- Lennox HCWB17/ HCWB12 Humidity Control – Whole-Home Bypass Humidifier
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- Lennox HCWB17/ HCWB12 Humidity Control Whole-Home Bypass Humidifier work with heating systems to keep indoor air from being too dry, adding moisture to the air, and circulating it to every room.
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- Humidifiers
- Lennox HCWP18 Humidity Control – Whole-Home Power Humidifier
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- Lennox HCWP18 Humidity Control Whole-Home Power Humidifier regulates indoor moisture levels to combat dry air and enhance air quality comfort throughout the entire home.
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- Thermostats
- Lennox iComfort E30 Thermostat – Smart Thermostat
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- The most versatile thermostat for your comfort needs. Set the Lennox iComfort E30 Thermostat Perfect Temp, and the system will automatically adjust heating and cooling to maintain that setting.
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- Thermostats
- Lennox iComfort S30 Thermostat – Ultra Smart Thermostat
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- The Lennox iComfort S30 ultra smart thermostat’s innovative features adapt to your life to deliver the ultimate in comfort, energy savings and peace of mind.
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- Ductless Systems, Lennox Mini-Split Systems
- Lennox MCA Mini-Split Air Conditioner
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- Exceptional efficiency means you pay for perfectly comfortable air, not wasted energy. The variable-speed design boosts efficiency even further by constantly and precisely adjusting the air based on cooling demand.
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- Ductless Systems, Lennox Mini-Split Systems
- Lennox MHA Mini-Split Heat Pump and Cooling Unit
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- The variable-capacity design saves energy by constantly and precisely adjusting to meet the room’s heating or cooling demands.
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- Ductless Systems, Lennox Mini-Split Systems
- Lennox MLA Mini-Split Heat Pump
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- The MLA mini split heat pump offers a cost effective alternative to a standard heat pump. Supplying heating a cooling to a specific room in your house.
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- Ductless Systems, Lennox Mini-Split Systems
- Lennox MPB Mini-Split System
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- The Lennox MPB Mini-Split System offers a cost effective alternative to a standard heat pump Supplying heating a cooling to a specific room in your house.
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Vent cleaning for clothes dryer. Was on time and very quick.

John Major

I have used GSHA for two complete home air and heating installations, my first was in Crystal Lake I never had any issues. Peter sent in a team that removed the old equipment and replaced all connected components that were to be attached to the new components, assuring smooth future operations. I felt confident that the job was done properly. I never had any issues. Service was never an issue either, they did annual service checks and through the fantastic warranty is all hands down and beat any other company we researched. Upon selling the home in Crystal Lake I move 100 mile south. My only concern was that GSHA didn’t service the area. Atter 6 month of moving into the new home and being discouraged with other companies I called Maria from GSHA and she said they do service the Bourbonnais area. Peter the owner drove all the way down here and in 2 days the heart and soul of my home was beating again with the quality and best warranty a company can offer. I had made other inquiries with the local Havc companies during the first 4 months of living down here and discovered return service calls were late in coming and the slap shot work done on some of my plumbing from Bennett Heating and Air was a disaster and disappointing. No warranties for the work done just give them the money. You don’t get that with GSHA, you call and they come and fix it, no worries. They are very professional, affordable and they work with you. I have peace of mind and know the work was done right and they will always be there. Hats off to Raymondo and his brother and also Jacob and D.J.. A huge thank you to Peter and Maria. My moto is….GSHA is, The best in the Midwest.

CORAM DEO

Gsha are the best! They are punctual precise and the best guys for our heating and ac needs. Ive used them for over 7 years and have referred them to everyone.

Noel Martinez

The Off

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