HVAC Service Technician

Company Overview

Thielmann Group has been a trusted name in the Milwaukee Area HVAC market since 1929, and continues to promise 5‑star customer service with every interaction. With three growing locations, Thielmann Group has built a reputation for guaranteed customer satisfaction—including for its employees—and offers an engaging team environment and great company culture.

Thielmann Group is looking for a reliable and dedicated HVAC Service professional to diagnose and repair heating and cooling systems while guiding customers toward informed purchasing decisions. This role offers a low‑stress environment, a supportive team, and competitive benefits.

• Perform routine maintenance checks on HVAC systems, ensuring efficient and safe operation through cleaning, adjustment, and part replacement.
• Diagnose issues with HVAC units and repair them, using diagnostic tools and system blueprints.
• Test and analyze systems after installation or repair, making adjustments as necessary to ensure proper operation.
• Interact with customers to answer questions and provide guidance on system maintenance, energy efficiency, and upgrades.
• Adhere to all federal, state, and local safety regulations and building codes during installations and repairs.
• Keep HVAC components—filters, ducts, vents, etc.—clean to maintain air quality and system efficiency.
• Provide emergency service when needed, such as system breakdowns during extreme weather.
• Maintain accurate records of installations, maintenance, repairs, and other work performed on each system.
• Stay updated on the latest HVAC technology and techniques, including eco‑friendly options and smart home integrations, through continuing education and certification programs.

• At least 5 years of residential or light commercial HVAC service experience, covering installation, maintenance, and repair.
• Proficiency with tools and diagnostic equipment.
• Strong understanding of HVAC systems and components.
• Excellent problem‑solving skills and attention to detail.
• Effective communication skills with customers and team members.
• Valid driver’s license and clean driving record.

Competitive salary reflecting experience and skill; sign‑on bonus up to $10,000 for skilled positions.

• Comprehensive benefits package, including health, dental, and vision.
• 100% employer‑paid short‑term and long‑term disability, and AD&D insurance.
• 401(k) with company match.
• Paid vacation.
• Take‑home vehicle option.

We are an equal‑opportunity employer and celebrate diversity, committed to creating an inclusive environment for all employees.