Job Description for HVAC Service Technician. A heating, ventilation and air conditioning (HVAC) service technician starts an appointment with a customer by asking about any problems with the heating, ventilation, and/or air conditioning systems in the client's home or business.n HVAC service technician might also be called upon by a customer to carry out preventative maintenance tasks or inspections to ensure that heating, ventilation, and air conditioning systems continue to run smoothly.
Price: $1 million - $3 million, depending on model. Another submersible designed for in-water yacht deployment, the SEAmagine promises a stable presence on the surface as well, in case you want to get out and marvel at your yacht from a different angle.
Off the rocks: Divers check brand new Â£1.2bn nuclear submarine for damage after boat is left high and dry off Scotland. An advanced nuclear submarine, described as the stealthiest ever built and packed with state of the art navigation equipment, will be checked for damage today after running aground.