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  2. 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.

  3. Metropolitan Waterworks and Sewerage System - Wikipedia

    en.wikipedia.org/wiki/Metropolitan_Waterworks...

    The Metropolitan Waterworks and Sewerage System [1] (Tagalog: Pangasiwaan ng Tubig at Alkantarilya sa Kalakhang Maynila), [5] formerly known as the National Waterworks and Sewerage System Authority (NAWASA), is the government agency that is in charge of water privatization in Metro Manila and nearby provinces of Cavite and Rizal in the Philippines.

  4. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Under the pre-2015 standard, a 75 US gal (280 L; 62 imp gal) gas storage water heater with a nominal input of 22 kW (75,000 BTU/h) or less was able to have an energy factor as low as 53%, while under the 2015 standard, the minimum energy factor for a 75-US-gallon gas storage tank water heater is now 74%, which can only be achieved by using ...

  5. 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 ...

  6. Laguna Water - Wikipedia

    en.wikipedia.org/wiki/Laguna_Water

    Laguna Water is a Manila Water Philippine Ventures company, a wholly owned subsidiary of the Manila Water Company.It provide services on the East Zone of Laguna mainly Biñan, Santa Rosa, and Cabuyao with a total of 60 barangays and a population of about 900,000 as of end of 2014, and eventually to the entire province of Laguna.

  7. Maynilad Water Services - Wikipedia

    en.wikipedia.org/wiki/Maynilad_Water_Services

    Maynilad Water Services Inc. was formed in 1997 as a partnership of the Benpres Holdings Corporation (now the Lopez Group of Companies) and Ondeo Water Services Inc. after it won the bidding to run the water and wastewater services in the West Zone. Benpres eventually left the partnership in 2006 to settle a US$240 million debt.

  8. Condensing boiler - Wikipedia

    en.wikipedia.org/wiki/Condensing_boiler

    Condensing boilers are water heaters typically used for heating systems that are fueled by gas or oil. When operated in the correct circumstances, a heating system can achieve high efficiency (greater than 90% on the higher heating value) by condensing water vapour found in the exhaust gases in a heat exchanger to preheat the circulating water.

  9. Water supply and sanitation in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Agricultural water management in the Philippines is primarily focused on irrigation. The country has 3.126 million hectares of irrigable land, 50% (1.567 million hectares) of which already has irrigation facilities. 50% of irrigated areas are developed and operated by the government through the National Irrigation System (NIS). 36% is developed by the government and operated by irrigators ...