# Commercial Installer

> Gallo Mechanical · Columbia, United States · — · Posted 2026-11-12

**Workplace:** on_site

**Department:** Columbia

## Description

Gallo Mechanical Services is looking for an experienced **Commercial HVAC Installer** to join its expanding team. As a **Commercial HVAC Installer**, you will be responsible for installing, commissioning, and assisting with the maintenance of commercial heating, ventilation, and air conditioning (HVAC) systems. This role involves installing equipment such as rooftop units, split systems, air handlers, ductwork, and related controls. The Commercial HVAC Installer must ensure all work is completed safely, efficiently, and in accordance with project specifications, manufacturer requirements, and applicable codes. Key duties include reading blueprints, laying out system components, installing equipment, connecting wiring and controls, performing start-up procedures, and troubleshooting issues that arise during installation.

**Responsibilities Include:**

**Installation**

-   Accurately install commercial HVAC systems according to project blueprints and specifications, including rooftop units, split systems, air handlers, ventilation equipment, and associated ductwork.
-   Properly position, secure, and install HVAC equipment and related components.
-   Fabricate and install ductwork as required to meet project specifications.
-   Install and connect electrical wiring, controls, and thermostats in accordance with project requirements and applicable codes.
-   Verify proper equipment operation and installation quality before project completion.

**Commissioning and Startup**

-   Perform startup procedures for newly installed HVAC systems, including testing equipment functionality and confirming proper operation.

-   Troubleshoot and resolve installation-related issues.
-   Assist with system balancing and airflow adjustments to ensure optimal performance and occupant comfort.
-   Complete required commissioning documentation and startup checklists.

**Maintenance and Repair**

-   Perform routine inspections and maintenance on installed HVAC equipment as needed.

-   Diagnose and repair equipment malfunctions, including motors, compressors, controls, and related system components.
-   Replace defective or worn components as required.
-   Communicate identified maintenance concerns to supervisors and customers.

**Technical Skills**

-   Thorough understanding of commercial HVAC systems, refrigeration principles, air distribution systems, and controls.

-   Ability to read and interpret blueprints, specifications, and electrical schematics.
-   Knowledge of HVAC installation best practices, safety procedures, and applicable building codes.
-   Ability to work effectively with project managers, foremen, and team members to complete projects on schedule.

## Requirements

-   Minimum of 2-4 years of experience installing and servicing commercial HVAC systems; 5-7 years preferred.
-   Strong mechanical aptitude with proficiency using hand and power tools.
-   Excellent troubleshooting and problem-solving skills.
-   Ability to work independently and as part of a team.
-   Ability to read and interpret construction drawings and technical documents.
-   This position may involve working in mechanical rooms, rooftops, commercial buildings, and outdoor environments, with exposure to varying weather conditions, heights, moving equipment, and electrical systems.
-   This position is highly physical and requires frequent standing, walking, bending, kneeling, climbing, and use of hands and fingers. Employees must be able to regularly lift up to 10 pounds, frequently lift up to 50 pounds, and occasionally lift more than 50 pounds.

## Benefits

At Gallo Mechanical Services, our foundation is built on the core values of family, service, and exceptional performance. With 80 years as a proud, locally-owned family business, we are dedicated to finding innovative ways to serve and support the community we call home. It all starts with our greatest asset – our people! We invest in your growth through dedicated training programs and back you up with a comprehensive benefits package designed to help you thrive in your career.

-   Training, support, and career progression to help you grow in your career.
-   Company-paid medical insurance
-   Dental, vision, voluntary life, short term disability, accident, and critical illness insurance
-   Team Incentive Program (TIP): Allows eligible employees to share in company financial success.
-   401(k) plan with a 5% company match
-   Employee wellness resources, PTO benefits, and more!

## Apply

[Apply at Gallo Mechanical](https://apply.workable.com/gallo-mechanical-1/j/33A9A3F301/apply)

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