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L&S Mechanical

Tri-Trade plumbing, HVAC, electrical contractor

HVAC Service Technician

Full-TimeUpdated on 10/27/2026
$35k - $75k/yr
Mid
San Antonio, TX, USA
In Person
Building TradesHVAC & Building Systems

About the job

Requirements
  • At least 3 years of residential-construction HVAC service and startup experience.
  • An EPA license to start up new HVAC equipment is required; Universal certification is preferred.
  • A valid driver's license is required.
  • Must pass a background check and drug screen.
  • Must be able to work indoors and outdoors in extreme temperature and weather conditions; climb ladders and steep stairs; crawl, stand, stoop, bend, crouch, kneel, sit, and reach; routinely lift more than 50 pounds; and push and pull objects.
Responsibilities
  • Perform warranty and service work to diagnose, repair, or replace broken residential HVAC parts and equipment.
  • Initiate startups for new residential HVAC equipment.
  • Use an iPad or tablet to enter service-call solutions in customer files and obtain the daily service-call schedule to review and plan efficient workday routes.
  • Work alongside industry experts to expand trade knowledge and experience.
  • Explain diagnosed problems to customers in clear, non-technical terms, relay costs, and offer alternative solutions.
  • Order and collect parts after customer approval, and communicate challenges to a supervisor.
  • Follow applicable safety precautions.
Desired Qualifications
  • Universal EPA certification is preferred.

About the company

L&S Mechanical provides plumbing, HVAC, and electrical services for new home construction, operating as a Tri-Trade Solution℠ across six Texas locations (Dallas, Fort Worth, Houston, San Antonio, and Austin). Their core work involves installing and servicing plumbing systems, along with HVAC and electrical tasks, to support builders from start to closing. The company relies on highly trained technicians to perform end-to-end install and service work for homebuilders and homeowners, leveraging experience from delivering over 140,000 homes. Unlike some competitors who specialize in a single trade, L&S Mechanical combines three trades under one roof to coordinate seamlessly with construction timelines. The goal is to deliver excellence at every stage of the project, ensuring reliable, quality workmanship for builders and homeowners alike.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Richardson, Texas

Founded

1985

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Simplify Jobs

Simplify's Take

What believers are saying

  • March 2026 breach disclosure shows active compliance, not hidden incident.
  • The September 2025 Chaparral deal deepens Houston plumbing capacity and builder relationships.
  • The November 2024 QECC acquisition expanded into Carolinas and Georgia, reducing Texas dependence.

What critics are saying

  • March 2026 breach exposed 5,139 Texans’ SSNs, IDs, and health data.
  • Repeated breaches destroy builder trust and trigger contract losses across 2026.
  • Homebuilder concentration ties L&S to construction downturns and customer consolidation.

What makes L&S Mechanical unique

  • Since 1985, Richardson-based L&S bundles plumbing, HVAC, and electrical installation for homebuilders.
  • Sterling Group ownership since 2021 adds operational discipline and acquisition capital.
  • Chaparral Plumbing and QECC extend its Texas-to-Carolinas builder footprint.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Disability Insurance
  • Health Savings Account/Flexible Spending Account
  • 401(k) Company Match
  • Paid Vacation
  • Paid Sick Leave
  • Paid Holidays