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.
Finally, follow the instructions for proper placement of the vent tube. A dripless shaft seal will cost between $200 and $1,200, depending on how big your boat is (shaft size and shaft log size), but in general closer to the $200 figure.y second point is that I donât want you to think that by installing a dripless shaft seal it means that it is completely maintenance-free. Itâs a boat, so nothing is maintenance free, but these seals do require less maintenance than stuffing boxes, and they reduce shaft wear.