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.
I replaced my 40 gallon gas water heater in March 2010 for a total of $850. $650 for a brand new 40 gal. residential gas water heater and $200 to install it. If you're replacing a tank for $2500 there must be something extraordinary about it. replaced my 40 gallon gas water heater in March 2010 for a total of $850. $650 for a brand new 40 gal. residential gas water heater and $200 to install it. If you're replacing a tank for $2500 there must be something extraordinary about it.