Question 1

What is the difference between Residential "Rough-in" and "Trim-out"?

Accepted Answer

These are the main phases of construction. "Rough-in" happens when walls are open; you run ductwork or supply/drain lines and set stub-outs and sleeves. "Trim-out" happens after drywall and paint; you install the actual registers, fixtures, and thermostats. Speed and efficiency are key here.

Question 2

Is residential work just basic repairs?

Accepted Answer

Not anymore. Modern residential technicians install smart thermostats, tankless water heaters, ductless mini-splits, and whole-home filtration and water treatment systems. The technical ceiling for high-end custom homes is very high.

Question 3

What is a Residential Service Technician?

Accepted Answer

A service tech drives a company van to existing homes to diagnose no-heat, no-cool, or leak calls, and to sell system upgrades. This role requires excellent customer service skills and sales ability, and often pays commission on top of an hourly rate.

Question 4

Do I need to buy my own tools for residential jobs?

Accepted Answer

You are expected to have a full set of hand tools and gauges. However, heavy equipment like refrigerant recovery machines or trenching tools are provided by the contractor.

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