When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. National Board of Boiler and Pressure Vessel Inspectors

   en.wikipedia.org/wiki/National_Board_of_Boiler...

   Accredited repair organizations qualify to stamp the National Board VR symbol on repair nameplates. [ 3 ] The National Board lab supports industry research and development by testing new designs, serving as a comparative standard for other laboratories, validating new concepts, and – upon jurisdiction request – assist in boiler and pressure ...

3. Hartford Steam Boiler Inspection and Insurance Company

   en.wikipedia.org/wiki/Hartford_Steam_Boiler...

   The Hartford Steam Boiler Inspection and Insurance Company (HSB) is a global specialty insurer and reinsurer headquartered in Hartford, Connecticut. It was founded in 1866 and is the largest provider of equipment breakdown insurance and related inspection services in North America serving over five million commercial locations.

4. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   Where hot-water space heating boilers are installed, domestic hot water cylinders are usually heated indirectly by primary water from the boiler, or by an electric immersion heater (often as backup to the boiler). In the UK these vessels are called indirect cylinders and direct cylinders, respectively. Additionally, if these cylinders form part ...

5. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   The Summer Palace in St. Petersburg had an early system of hydrologic central heating. Early hot water systems were used in Ancient Rome for heating the Thermæ. [13] Another early hot water system was developed in Russia for central heating of the Summer Palace (1710–1714) of Peter the Great in Saint Petersburg. Slightly later, in 1716, came ...

6. Heating system - Wikipedia

   en.wikipedia.org/wiki/Heating_system

   Central heating systems: These systems produce heat in one central location and distribute it throughout the building. This category includes furnaces, boilers, and heat pumps. [1] [2] Distributed heating systems: These systems generate heat in the space they are to heat, without extensive duct systems. Examples include electric space heaters ...

7. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   Hybrids also share additional traits with tank-type heaters like a floor-standing installation, standard PVC venting, draining pan, and they can be installed with a recirculation pump for even more water efficiency. [6] During high demand, high-flow situations, hybrid technology behaves more like a tankless heater, with high heating capacity ...