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2. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   All new gas storage tank water heaters with capacities smaller than 55 US gal (210 L; 46 imp gal) sold in the United States in 2015 or later shall have an energy factor of at least 60% (for 50-US-gallon units, higher for smaller units), increased from the pre-2015 minimum standard of 58% energy factor for 50-US-gallon gas units.

3. Storage water heater - Wikipedia

   en.wikipedia.org/wiki/Storage_water_heater

   Solar heat is clean and renewable. This is the most modern system. Increasingly, solar powered water heaters are being used. Their solar thermal collectors are installed outside dwellings, typically on the roof or walls or nearby, and the potable hot water storage tank is typically a pre-existing or new conventional water heater, or a water heater specifically designed for solar thermal.

4. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [5] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

5. Peoples Energy - Wikipedia

   en.wikipedia.org/wiki/Peoples_Energy

   Peoples Gas grew to become the natural gas delivery supplier to approximately 830,000 residential, commercial and industrial customers in Chicago. Peoples Gas has approximately 1,500 employees. Services provided to customers and maintenance of approximately 4,300 miles of natural gas main is the primary function of 850 field and support ...

6. Metropolitan Water Reclamation District of Greater Chicago

   en.wikipedia.org/wiki/Metropolitan_Water...

   Every day, 15.1 million gallons are reused in pipeline flushing, blower motor cooling, post-centrifuge centrate flushing, and tank cleaning. At the Stickney Water Reclamation Plant, 6 million gallons of treated water per day is used, saving energy and money and reducing demand on drinking water.

7. Chicago area water quality - Wikipedia

   en.wikipedia.org/wiki/Chicago_Area_Water_Quality

   They found that out of the 2,059 water samples collected from the beaches, 285 exceeded the RWQS, for a total of 14% exceeding samples. According to Dick Durbin, the opening of the two new sewage treatments plants in Skokie and Calumet was designed to improve the overall water quality of the Chicago Area Waterway System (CAWS). [6] The two ...