Commercial HVAC Installer
Company: Hoffmann Brothers
Location: Saint Louis
Posted on: February 10, 2026
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Job Description:
Job Description Job Description For over 40 years, we have been
an industry leader in HVAC, plumbing, electrical, and appliance
repair for residential and commercial properties in St. Louis - and
now in Nashville, TN! Recipient of multiple Top Workplace and
industry awards, we believe in taking the best care of our
employees, and they will take the best care of our customers. At
Hoffmann Brothers, your career growth is important to us. Whether
you are new to the trades wanting to take advantage of our free
trade training programs, or a career professional looking to
cultivate your craft or leadership skills, we have a path for you!
Summary of Job: As a Commercial HVAC Installer in St. Louis, MO,
you will successfully install air conditioners, furnaces, heat
pumps, ductless systems, ductwork, boilers, and accessories (air
filter, thermostats etc.) for commercial and residential customers.
This will include having knowledge of those systems and keeping in
close contact with customers during the installation. All our
technicians must follow our safety policies and procedures. Meeting
and exceeding customer expectations is required. Essential Duties
and Responsibilities: Lead install team in the performance of all
duties. Understand duct sizing, layout and fabrication. Understand
refrigerant line sizing, layout, evacuation and pressure testing.
Perform package rooftop installations. Perform large commercial
split system installations. Perform DOAS unit installations.
Perform Boiler installations. (Steam and Hot Water) Perform Chiller
installations. Perform VRF installations. Preform mini split
installation. Understand gas pipe sizing, layout, threading and
fabrication. Understand electrical disconnect, wire and fuse sizing
and installation. Read blueprints. Understand control wiring.
Determine materials, tools, and equipment needed to complete a
project. Complete daily logs and paperwork for projects.
Requirements 5 years of experience in HVAC Field Professional in
all situations Valid driver’s license Ability to communicate with
customers in a clear, confident manner throughout the entire
service so that they are aware of what is going on inside their
home/business. Ability to adjust your communications to provide the
best customer experience possible. Ability to create detailed job
notes in the customer’s account for future reference. Ability to
both teach and learn by sharing thoughts/experiences with your
coworkers in meetings and in one-to-one interactions. Willingness
to try new ideas and recommend process improvements to your manager
with the objective of improving efficiency/effectiveness. Frequent
communication with dispatchers so that they know the status of each
job for scheduling purposes. The ability to maintain a clean and
organized workspace both in a customer’s property and your company
vehicle. The ability to work safely and the motivation to help
ensure that those you work with are working in a safe manner. All
employees of Hoffmann Brothers must consider safety as their
primary job. General knowledge of safe working practices and
federal/state OSHA requirements is required as applicable. Physical
Demands/Working Conditions: To adequately perform the duties of
this job, the employee is regularly and routinely required to sit,
stand, walk, kneel, squat, stoop hands to finger, handle controls;
hear, and talk. The employee frequently is required to reach with
hands and arms. The employee must be able to climb ladders, work in
hot and cold environments, and work in small crawl spaces. The
employee must regularly lift and/or move 50lbs and up. Specific
vision abilities required by this job include close vision and the
ability to adjust focus. The work environment can vary depending on
the season and scope of work – employees are required to work
outdoors throughout the seasons. The work environment will subject
employees to continual interruptions and changing priorities.
Effective, consistent, and constant communication with customers,
vendors, co-workers, and others is required. Benefits:
Market-leading Pay Company-paid Medical, Dental and Vision Family
Coverage Paid Time Off – Day 1 401(K) with 10% Company Match Great
Work Environment and Healthy Work/Life Balance Paid Training and
Leadership Development Programs Endless Opportunities for
Advancement …and so much more
Keywords: Hoffmann Brothers, St. Louis , Commercial HVAC Installer, Engineering , Saint Louis, Missouri