Today's HVAC technicians have received comprehensive vocational training at technical schools or colleges featuring class work specifically geared to refrigeration, heating, cooling, and mechanical maintenance careers. Often, these trade schools instruct students in the latest HVAC technologies, which include sophisticated pumping and cooling system repair, and techniques for upgrading chlorofluorocarbon-reliant (CFC) coolant systems with environmentally friendly materials.

Most homeowners do not notice that an HVAC system is malfunctioning or performing poorly until the system shuts down. This is an unfortunate way to approach HVAC maintenance. Small malfunctions or errors in an HVAC system's operation early on can lead to inefficiencies in heating and cooling. Ultimately, these inefficiencies result in wasted energy and high gas and electric bills. If you have noticed dramatic jumps in your utility bills, think about when your HVAC system was last serviced before shrugging the high bill totals off as symptoms of inflation.

Efficiency loss in an HVAC system is gradual, but pernicious. The purpose of regular maintenance is to keep small systemic leaks, cracks, gaps, or slowdowns in check so that homeowners have the best, most energy-efficient, continuously performing HVAC systems possible. In vocational school, HVAC and mechanical maintenance engineers are trained to perform thorough inspections, to test systems in a proactive fashion, and to accurately and rapidly diagnose system malfunctions.

HVAC and mechanical maintenance technicians are also adept at determining when a heating or cooling system must be replaced entirely. Upfront, the cost of replacing an HVAC system can seem prohibitively expensive. However, the newer a system is, the more likely it is to employ highly energy-efficient technology, saving you money on your heating and cooling bills over a long period of time.

Homeowners can take several steps to ensure their HVAC systems run efficiently between maintenance periods. Here are a few tips:

Regular mechanical maintenance of HVAC systems, combined with homeowner initiative and attention to energy conservation result in greener, more efficient home heating and cooling.