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Lead HVAC Installer

Hosack

O'Fallon, MO • 10/2/2026

Job Description

Job Description
Residential HVAC Installer

Hosack Heating, Air & Plumbing | O'Fallon, MO
Location: 110 W Pitman St, O'Fallon, MO 63366
Full-Time | Year-Round Work | $75,000–$150,000 Average Annual Earnings

Build Your HVAC Career With a Growing Home Services Company

Hosack Heating, Air & Plumbing is growing, and we're looking for an experienced Residential HVAC Installer to join our team in O'Fallon, Missouri.

If you take pride in doing the job right, enjoy working with a strong team, and want to be rewarded for your skills and hard work, we want to talk to you.

At Hosack, our installers are an important part of our success. We provide the tools, support, training, and consistent year-round work you need to build a long-term career. We're looking for professionals who care about quality workmanship and creating a great experience for every homeowner.

What You'll Do
  • Install residential HVAC systems, including furnaces, air conditioners, heat pumps, and indoor air quality products

  • Complete full system replacements, change-outs, and retrofit installations

  • Ensure installations meet company quality standards, manufacturer specifications, and applicable local codes

  • Properly start up and test newly installed equipment

  • Communicate professionally with homeowners and explain completed work

  • Protect customers' homes and maintain clean, organized job sites

  • Complete required installation paperwork and documentation accurately

  • Follow company safety procedures and installation best practices

  • Work closely with field leadership, warehouse, and support teams to keep installations running efficiently

  • Deliver a professional, high-quality customer experience from start to finish

What We're Looking For
  • Minimum 2 year of residential HVAC installation experience required

  • Experience installing furnaces, air conditioners, heat pumps, and complete residential systems

  • EPA Certification required

  • Strong understanding of HVAC installation procedures, tools, and equipment

  • Ability to troubleshoot installation-related issues

  • Strong attention to detail and pride in quality workmanship

  • Professional communication and customer service skills

  • Ability to work independently and as part of a team

  • Valid driver's license with an acceptable driving record

  • Ability to safely lift, carry, and move HVAC equipment and materials

  • Dependable, motivated, and ready to work in a fast-paced environment

Compensation & Benefits
  • Average annual earnings of $75,000–$150,000

  • Performance incentives and bonus opportunities

  • Full-time, year-round work

  • Medical, dental, and vision insurance

  • 401(k) with company match

  • Paid Time Off

  • Paid holidays

  • Company vehicle opportunities for qualified team members

  • Ongoing training and career development

  • Advancement opportunities within a growing organization

  • Supportive leadership and a team-focused work environment

Schedule

Peak Season: Monday–Saturday
Saturday availability is required during peak season.

Off Season: Monday–Friday with Rotating Saturdays.

Why Join Hosack?

At Hosack Heating, Air & Plumbing, we believe skilled HVAC professionals deserve a company that supports them.

We're building a team of professionals who want more than just their next job. Whether your goal is to sharpen your technical skills, increase your earning potential, move into leadership, or build a long-term career in the trades, we want to give you the opportunity and resources to get there.

If you're an experienced residential HVAC installer who takes pride in your work and wants strong earning potential, year-round work, great benefits, and room to grow, we'd love to hear from you.

Apply today to join the Hosack Heating, Air & Plumbing team in O'Fallon!

Applicants must be authorized to work for any employer in the United States. We are unable to sponsor or take over sponsorship of an employment visa at this time.

Hosack Heating, Air & Plumbing is an Equal Opportunity Employer. Employment decisions are based on merit, qualifications, and business needs. We do not discriminate against employees or applicants based on race, color, national origin, ancestry, citizenship status, sex, pregnancy, sexual orientation, gender identity or expression, age, religion, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable federal, state, or local law.