There are different types of heating oil. The main type of heating oil used in most homes and commercial applications is “number two” heating oil. Number six heating oil is rarely used and is being phased out of use because it contains a lot of sulfur and other pollutants. Number two heating oil is designed to work with your oil furnace or boiler. (more…)
Air Handling Unit Components 2: Heat - There are many different types and arrangements of heating systems for air handling units and these types of heating systems and arrangements of heating systems vary from commercial to residential. Some air handling units do not have any heat source inside them at all but have remote heat for zoning. The air handling unit provides the airflow and the remote heaters provide heat for zoning.
Sometimes the air handling unit is a VAV air handling unit and other times it is just to provide air for a duct heater whether the duct heater is gas-fired or electric. For air handling units which some have heating systems inside the five main ways of providing heat for air handling units are:
