Plumbers assemble, install and repair pipes and drainage systems, such as sinks, toilets, bathtubs, water heaters, hot water tanks and dishwashers. Train to become a plumber in an apprentice program offered by a union or trade school. Plumbing curriculum includes science, math, heating, drafting, code interpretation and soldering. It generally takes four to five years to complete an apprentice plumber program. Licensure criteria varies from state to state.
HVAC is an acronym for the specialties of heating, ventilation and air-conditioning. Technical training covers the management of air quality, temperature and other aspects of climate control. HVAC technician training can take from 6 months to 2 years to complete. Math and other skills consistent with skilled trades, such as soldering, installation and repair are honed. It's important to enter an accredited trade school so the HVAC training received complies with industry standards.
Electricians install and maintain electrical equipment in residential and commercial settings. While you can receive your training in an apprenticeship program sponsored by an electrician's union, you can also become an electrician by entering an accredited trade school. A typical trade school program combines 15 months of classroom, lab and on-the-job training. Students learn electrical code and installation skills. The requirements to become a licensed journey electrician are different in each state.
Welders bond steel and other metals together using torches. Trade school welding programs teach students pipe welding techniques. Students also learn how to handle pipe cutting equipment and receive instruction in basic pipe layout. Welding trade schools prepare students for careers in construction, manufacturing and a host of other industries. A basic welding program generally runs two years, upon which a certificate is awarded. Each state has its own standards for licensing and certifying welders.