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  2. Viessmann - Wikipedia

    en.wikipedia.org/wiki/Viessmann

    Viessmann headquarters in Allendorf (Eder), Germany. The Viessmann Group is a German manufacturer of heating and refrigeration systems headquartered in Allendorf (Eder), Germany. With 22 production companies in 12 countries, distribution companies and representative offices in 74 countries and 120 sales offices throughout the world, Viessmann ...

  3. List of boiler types by manufacturer - Wikipedia

    en.wikipedia.org/wiki/List_of_boiler_types_by...

    Vanderbilt boiler An American design, similar to the Lentz and large launch-type boilers. [36] Velox boiler: [61] vertical boiler: flued or fire-tube designs where the main shell is a cylinder on a vertical axis, rather than horizontal. Boilers of this external form may have a great variety of internal arrangements.

  4. 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.

  5. For sale by owner - Wikipedia

    en.wikipedia.org/wiki/For_sale_by_owner

    A house for sale by its owner. For sale by owner (FSBO) is the process of selling real estate without the representation of a broker or agent. This is where the homeowner sells directly to a new homeowner. Homeowners may still employ the services of marketing, online listing companies, but can also market their own property.

  6. Package boiler - Wikipedia

    en.wikipedia.org/wiki/Package_boiler

    The required steam, water, fuel, and electrical connections can be made rapidly. These boilers are inexpensive to operate because their automatic burner management system doesn’t require continuous supervision and they have low scheduled maintenance costs. [1] A great cost-saving for package boilers is their reduced need for draughting.

  7. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Earlier models were made of chromed copper or brass, which were expensive, but since 1970, units made of injected plastics are popular due to low prices similar to that of a hair dryer. Electric showers have a simple electric system, working like a coffee maker, but with a larger water flow. A flow switch turns on the device when water flows ...