Plumber / Pipefitter (HVAC & Plumbing Construction)

Comfort-Air Engineering, Inc.; San Antonio (TX); On-site; USD 39,000 - 52,000; Full time

Job summary

Comfort-Air Engineering, Inc. in San Antonio, TX, is seeking a skilled Plumber/Pipefitter to join our HVAC and Plumbing construction team.

You will install, assemble, and maintain piping systems for commercial and residential projects, including hydronic HVAC, water supply, drainage, and gas lines. The ideal candidate has 2+ years of experience, can read blueprints and technical drawings, and is committed to safety and quality workmanship.

Qualifications

• High school diploma or GED; trade school or apprenticeship preferred.
• 2+ years of experience in plumbing or pipefitting within construction.
• Knowledge of commercial plumbing systems and HVAC piping (hydronic, chilled water, steam).
• Ability to read blueprints and technical drawings.

Responsibilities

• Install, assemble, and secure piping systems including water, gas, drainage, and hydronic HVAC piping.
• Read and interpret blueprints, specifications, and isometric drawings.
• Measure, cut, thread, groove, and bend pipe using hand and power tools.
• Install valves, hangers, supports, and related piping components.
• Perform system pressure testing, leak detection, and troubleshooting.
• Assist with installation of boilers, chillers, pumps, and other mechanical equipment.
• Ensure all work complies with local plumbing codes and project specifications.
• Coordinate with HVAC mechanics, welders, and other trades on-site.
• Follow OSHA safety standards and company safety protocols.
• Maintain tools, equipment, and a clean, organized work area.
• Document work progress and communicate with supervisors.

Skills

Mechanical aptitude

Reading blueprints

Problem solving

Team collaboration

Attention to detail

Communication

Time management

Education

High school diploma or GED

Tools

Pipe threading tools

Calipers & measuring tools

Welding equipment

Job description

We are looking for a skilled Plumber/Pipefitter to join our HVAC and Plumbing construction team. This role is responsible for installing, assembling, and maintaining piping systems for commercial and/or residential projects, including hydronic HVAC systems, water supply, drainage, and gas lines. The ideal candidate has strong knowledge of piping systems, can interpret construction drawings, and is committed to safety and quality workmanship.

Key Responsibilities:

• Install, assemble, and secure piping systems including water, gas, drainage, and hydronic HVAC piping

• Read and interpret blueprints, specifications, and isometric drawings

• Measure, cut, thread, groove, and bend pipe using hand and power tools

• Install valves, hangers, supports, and related piping components

• Perform system pressure testing, leak detection, and troubleshooting

• Assist with installation of boilers, chillers, pumps, and other mechanical equipment

• Ensure all work complies with local plumbing codes and project specifications

• Coordinate with HVAC mechanics, welders, and other trades on-site

• Follow OSHA safety standards and company safety protocols

• Maintain tools, equipment, and a clean, organized work area

• Document work progress and communicate with supervisors

Qualifications:

• High school diploma or GED (trade school or apprenticeship preferred)

• 2+ years of experience in plumbing or pipefitting within construction

• Knowledge of commercial plumbing systems and HVAC piping systems (hydronic, chilled water, steam)

• Ability to read and understand blueprints and technical drawings

• Experience with pipe materials such as copper, PVC, PEX, steel, and cast iron

• Familiarity with local plumbing codes and safety regulations

• Valid driver’s license and reliable transportation

Preferred Certifications:

• Journeyman or Apprentice Plumbing License (as required by state/local jurisdiction)

• OSHA 10 or OSHA 30 certification

• Welding or brazing certifications (a plus)

Skills & Abilities:

• Strong mechanical aptitude and problem-solving skills

• Ability to work independently and as part of a team

• Physical ability to lift heavy materials, work in tight spaces, and perform manual labor

• Attention to detail and commitment to high-quality work

• Effective communication and time management skills

Work Environment:

• Active construction sites (commercial, industrial, and residential projects)

• Exposure to noise, dust, and varying weather conditions

• May require overtime, weekends, or travel depending on project needs

We offer a competitive benefits package. Please refer to our main page to see an overview.