HVACR technicians inspect and maintain heating and cooling systems. Heating, air conditioning, and refrigeration mechanics and installers held about 267,600 jobs in 2012, of which 61 percent were employed in the plumbing, heating, and air-conditioning contractors industry.About 9 percent were self-employed.nstallation, maintenance, and repair occupations. 10%. Employment of heating, air conditioning, and refrigeration mechanics and installers is projected to grow 21 percent from 2012 to 2022, faster than the average for all occupations.
With all needed parts and labor, hiring a plumber to install a traditional gas water heater costs $300-$3,500 or more, depending on capacity (with 40 or 50 gallons the most common sizes); length of warranty (typically 5-12 years); and the amount of repairs required to meet current building codes.
When your water heater begins to leak, you have to replace it fast. We'll show you how to install your own gas water heater in less than a day. Even if you don't need a new water heater right now, chances are you will within the next few years. Water heaters tend to last seven to 15 years.ost residential water heaters cost $150 to $400 for either gas or electric, plus $200 to $450 if you have a plumber install it. More expensive gas water heaters with special venting systems also are available. But they're more difficult to install, and we won't deal with them here.