Heating systems - capacity and design of boilers, pipelines, heat exchangers, expansion systems and more.
Air heating buildings - heat supply vs. air flow and temperature.
The International Boiler and Pressure Vessel Code safety rules governing design, fabrication, and inspection of boilers and pressure vessels, and nuclear power plant components during construction.
Classification of boilers according the ASME Boiler and Pressure Vessel Code.
Thermal resistance in building elements like walls, floors and roofs above and below the ground.
Chimneys and fireplaces for stoves burning wood or coal as fuel.
Sizing of low temperature closed expansion tanks.
Classification of coal based on volatile matter and cooking power of clean material.
Calculate the vertical air flow and air velocity generated by a single heat source.
Convective air flows from typical heat sources like people, computers, radiators and more.
Hot or cold vertical surfaces generates vertical air flows - calculate air velocity and volume flow.
Hot water heat carrying capacities in copper tubes type L.
Calculate gravity and forced circulating hot water heating systems.
Low temperature diaphragm expansion tank sizing - calculate tank volume and acceptance volume.
Water temperature and heating capacity.
Physical properties of Dowtherm A.
Calculate minor pressure loss in piping systems with the Equivalent Pipe Length Method.
Minor pressure loss with fittings in piping heating systems.
Specific heat of common food and foodstuff like apples, bass, beef, pork and many more.
Classification of gas oil based on BS 2869 - Specification for fuel oils for agricultural, domestic and industrial engines and boilers.
The density difference between hot and cold water is the circulating force in a self circulating gravity heating system.
Heat emission from steam and hot water pipes typical used in greenhouse installations.
Heat required to maintain a greenhouse temperature.
Typical greenhouse temperatures.
The heat emission from a radiator or a heating panel depends on the temperature difference between the radiator and the surrounding air.
Overall heat transfer loss from buildings - transmission, ventilation and infiltration.
Heat loss from insulated and non insulated sheltered and exposed oil tanks and pipes.
Due to evaporation the heat loss from an open water tank like a swimming pool may be considerable.
Performance and efficiency rating of heat pumps.
Average overall heat transmission coefficients for fluid and surface combinations like Water to Air, Water to Water, Air to Air, Steam to Water and more.
Heat vs. work vs. energy.
Calculate flow rates in heating systems.
Safety valves with boilers ranging 275 to 1500 kW.
Boiler power and water flow - Imperial and SI-units.
Required hot water expansion volume in open, closed and diaphragm tanks.
Hot water heating system design procedure with heat loss, boiler rating, heater units and more.
Hot water heating temperatures adapts to outdoor temperatures.
Seasonal effects on hot-water heating systems flow temperatures.
Free online design tool for designing hot water heating systems - metric units.
Online design tool for hot water heating systems.
Pressure loss nomogram for hot water steel pipes.
Equivalent length of fittings like bends, returns, tees and valves in hot water heating systems - equivalent length in feet and meter.
Hot-water heating systems can be classified by temperature and pressure.
Draw HVAC diagrams online with this Google Drive drawing tool.
Recommended indoor temperatures in summer or winter.
Recommended indoor relative humidity vs. outdoor relative humidity and temperature.
Recommended indoor temperature and humidity for common industrial products and production processes.
Estimated infiltration heat losses from buildings.
Lights vs. power installations in common types of buildings and rooms.
Heat loss from insulated and uninsulated, sheltered and exposed heated oil tanks.
Outdoor summer and winter design temperatures and relative humidity for US states and cities.
Heat emission from steam or water heating pipes submerged in oil or fat - forced and natural circulation.
Heat emision from steam or water heating pipes submerged in water - assisted (forced) or natural circulation.
Calculate heat emission from column and panel radiators.
Maximum safety valve free air relief capacity.
The most common used safety valve standards in Germany, UK, USA, France, Japan, Australia and Europe.
Sizing snow melting systems - water and antifreeze.
Standard enthalpy of formation, Gibbs energy of formation, entropy and molar heat capacity of organic substances
The standard enthalpy of formation, Gibbs energy of formation, entropy and molar heat capacity are tabulated for more than hundred organic substances.
A minimum static pressure is required in a HVAC system to keep the water in the highest levels of the system.
Steam radiators and steam convectors - heating capacities and temperature coefficients.
Calculate outdoor swimming pool heaters.
Heat loss through common building elements due to transmission, R-values and U-values - imperial and SI units.
The most common units of heat BTU - British Thermal Unit, Calorie and Joule.
Volumetric temperature expansion calculator.
Water condensation on inside glass windows surfaces vs. outside temperature and inside temperature and humidity.
Combustion of wood and firewood heat values for species like Pine, Elm, Hickory and more.