- Navien Water Heaters
- Navien NPE-210A High Efficiency Condensing Tankless Water Heater
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- Max Input: 180,000 BTU/H Indoor or outdoor wall-hung Residential/Commercial ComfortFlow® Technology
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- Navien Water Heaters
- Navien NPE-210S High Efficiency Condensing Tankless Water Heater
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- Max Input: 180,000 BTU/H Indoor or outdoor wall-hung Residential/Commercial
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- Navien Water Heaters
- Navien NPE-240A High Efficiency Condensing Tankless Water Heater
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- Max Input: 199,900 BTU/H Indoor or outdoor wall-hung Residential/Commercial ComfortFlow® Technology
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- Navien Water Heaters
- Navien NPE-240S High Efficiency Condensing Tankless Water Heater
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- Max Input: 199,900 BTU/H Indoor or outdoor wall-hung Residential/Commercial
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- Thermostats
- Nest Learning Thermostat
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- Nest thermostat learns your schedule, programs itself, and uses Wi Fi to connect to your phone. It’s better than smart. It’s thoughtful.
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- Novo Water Conditioning Products, Water Filtration Systems
- Novo 485 HEDP Water Conditioning Product – High Efficiency Dual Pass – Softening System
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- (High Efficiency Dual Pass) Softening System
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- Novo Water Conditioning Products, Water Filtration Systems
- Novo 485 HTO Water Conditioning Product – Softener & Filter Combination
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- Hardness, Taste and Odor Removal
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- Novo Water Conditioning Products, Water Filtration Systems
- Novo 485 NeutraSoft Two Tank Water Conditioning System
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- Neutralize CORROSIVES & Remove Hardness to Protect Fixtures, Pipes & Appliances
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- Novo Water Conditioning Products, Water Filtration Systems
- Novo 485 SIM Series Water Conditioning Product – Softener, Iron and Manganese Combination Removal
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- The SIM Series combines proven water softening capabilities with the ability to remove ferrous iron and manganese.
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- Novo Water Conditioning Products, Water Filtration Systems
- Novo 485 SIMTAN Series Water Conditioning Product – Soften & Filter Problems From Your Water
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- Soften & Filter Problems From Your Water
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- Novo Water Conditioning Products, Water Filtration Systems
- Novo 489 HEDP Water Conditioning Product – High Efficiency Dual Pass – Softening System
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- (High Efficiency Dual Pass) Softening System
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- Novo Water Conditioning Products, Water Filtration Systems
- Novo 489 HTO Water Conditioning Product – Softener & Filter Combination
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- Hardness, Taste and Odor Removal
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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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