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Hosack Plumbing, Heating & Cooling | O'Fallon, MO
High Earning Potential • Year-Round Work • Career Growth • Strong Team Culture
3+ Years of Residential HVAC Service Experience Required
Join the Hosack TeamHosack Plumbing, Heating & Cooling is growing, and we're looking for an experienced Residential HVAC Service Technician who wants more than just another HVAC job.
We're looking for a technician who is technically strong, great with homeowners, and motivated to build a successful long-term career. Our technicians have the opportunity to earn at a high level while being supported by a company that provides the tools, training, leadership, and year-round work needed to succeed.
If you know residential HVAC, enjoy solving problems, and can confidently educate homeowners on repair, maintenance, and replacement options, we want to talk to you.
Compensation & BenefitsHigh earning potential – $80,000–$250,000+ annually based on performance
Full-time, year-round work
Health insurance, including a 100% company-paid option
Dental, vision, and life insurance
401(k) with company match
Paid Time Off (PTO)
6 paid holidays + 1 floating birthday holiday
Company vehicle + gas card
Company-paid cell phone & tablet
Training and career-development opportunities
Supportive leadership and opportunities for advancement
As an HVAC Service Technician, you'll work directly with homeowners throughout the greater St. Louis/O'Fallon area to diagnose problems, provide solutions, and deliver an excellent customer experience.
You will:
Diagnose, troubleshoot, maintain, and repair residential HVAC systems
Perform HVAC maintenance, service repairs, and system enhancements
Identify system concerns and recommend appropriate solutions
Educate homeowners on repair, maintenance, indoor air quality, and replacement options
Clearly communicate findings, pricing, and recommendations
Build trust with customers through professional, honest service
Identify opportunities to improve homeowners' comfort, efficiency, and system reliability
Complete accurate service documentation
Order necessary parts and maintain company tools and equipment
Respond to warranty and emergency service calls as needed
Maintain company standards for safety, professionalism, and customer service
3+ years of residential HVAC service experience required
Strong HVAC diagnostic and troubleshooting skills
Comfortable discussing repair and replacement options with homeowners
Strong communication and customer-service skills
Motivated by performance and earning potential
Ability to confidently present solutions without high-pressure sales tactics
Experience with ServiceTitan preferred
EPA certification
NATE certification preferred
Heat pump and inverter-system experience is a plus
Basic hand tools
Valid driver's license and acceptable driving record
Ability to successfully complete required background and drug screening
Full-time
Monday–Friday
Rotating weekends and on-call responsibilities
Year-round work we stay busy in every season
We're looking for HVAC professionals who take pride in their work and want to be rewarded for their performance. If you're an experienced residential technician who can diagnose the problem, communicate solutions, take care of the homeowner, and help grow the business, Hosack Plumbing, Heating & Cooling wants to meet you.
Apply today to start a conversation about your next career move.
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 Plumbing, Heating & Cooling is an Equal Opportunity Employer. Employment decisions are based on qualifications, merit, and business needs without regard to any status protected by applicable federal, state, or local law.
Location: 110 W Pittman St. O'Fallon, MO 63366
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