Companies that build geothermal energy heating systems design the process in one of two ways: water-to-air or water-to-water transfer. Water-to-air pumps are reminiscent of standard air conditioning units, using the cooling and heating components of the ground source heat pump to adjust the temperature of the air through ventilation. Water-to-water systems, on the other hand, work more like a traditional boiler, heating water pipes that run throughout the building.

 

Some jurisdictions require additional certification or licensing, and many programs require some kind of hands-on internship or practicum. Special certifications may also be available that allow HVAC engineers to specialize in areas like high-performance building design. In addition, continuing education is often required throughout a professional's career in order to stay abreast of changing technology.

In some parts of the world, municipal agencies supply chilled water to homes and businesses, much in the same way they provide water or sewer service. This eliminates the need for chillers and cooling tanks, and allows building owners to cool the structure easily and effectively. This water may be cooled using a central cooling tower, or may be derived from naturally cold sources, like lakes and rivers. This type of central chiller supply is often known as a district cooling system, and is a paid service for homeowners and building managers.

HVAC is an abbreviation for "heating, ventilation and air conditioning." An HVAC supervisor is a senior technician who manages a team of technicians who work on heating and cooling systems. In most cases, this is a working manager position. This means that the supervisor performs installation and repair duties in addition to management and administrative duties.

This type of supervisor might also visit a proposed job to evaluate a problem. Diagnosing an issue and providing an estimate for repair or installation is a responsibility that is often assumed by an HVAC supervisor. This might be a simple process of evaluating the coolant levels in a residential air conditioning unit, or it might be the more complex process of making systems recommendations for a new commercial building.

This type of drapery is typically constructed by using a heavy kind of material. Suede, polyester blends, and faux silks can be used for thermal curtains. Occasionally, a foam rubber backing can also be used to make the curtains even more energy efficient. This backing can also help eliminate noise. It can also work to reduce the light coming into the home.