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Careers

Join Hecker & Frères Énergie

HFE is looking for motivated professionals to support the growth of our heating, air conditioning and plumbing activities in Lille and the metropolitan area. Are you a plumber heating engineer, an apprentice with field experience or a qualified heat pump installer? Let's talk about your career plans.

Équipe Hecker & Frères Énergie (HFE) - chauffagistes et climaticiens à Lille

Current openings

Two positions are open within our installation teams. Review each listing below, then apply via our contact form and mention the role you are interested in.

Heat pump installer

Join our installation teams to fit reversible air conditioning systems — single-split, multi-split, ducted and cassette — for residential and small commercial customers.

Apply for this role
Contract
Permanent contract (CDI)
Location
Lille and metropolitan area (50 km radius)
Start date
September 2026

Hecker & Frères Énergie (HFE) is expanding its site team to support growing air conditioning activity in Lille and the metropolitan area. We are looking for an experienced AC installer, independent in fitting and commissioning, for a start in September 2026.

Your responsibilities

  • Installation of reversible air conditioning systems (single-split, multi-split, ducted, cassette)
  • Refrigerant lines, electrical supplies and condensate drainage
  • Commissioning, leak checks and system adjustments
  • Compliance with manufacturer guidelines (Panasonic, Daikin, Mitsubishi) and current standards
  • Working in pairs or teams on residential and small commercial projects
  • Professional customer relations during site work and handover

Profile we are looking for

  • Proven experience in reversible air conditioning installation (minimum 2 years in the field)
  • Solid skills in refrigerant lines, supports and finishing (trunking, insulation)
  • Independent on site with rigorous commissioning procedures
  • Driving licence required for travel across the Lille metropolitan area
  • Relevant electrical qualifications (BR or equivalent appreciated)

What we offer

  • Join a growing RGE QualiPAC certified craft company
  • Work with leading brands on a high volume of projects
  • Grow within a close-knit team where installation quality comes first
  • Permanent contract — salary based on profile and experience

Experienced apprentice — plumbing, heating & air conditioning

Training in plumbing, heating, air conditioning or renewable energy with prior field experience? Join HFE to build your skills on real projects.

Apply for this role
Contract
Work-study contract
Location
Lille and metropolitan area
Start date
September 2026 intake

As part of our growth, Hecker & Frères Énergie (HFE) is welcoming an apprentice with significant initial experience in plumbing, heating or air conditioning. You will be supervised by qualified craftsmen and take part in real installations for residential and commercial customers.

Your responsibilities

  • Support on sanitary plumbing, heating, air conditioning and heat pump installations
  • Assist teams with fitting, insulation and site finishing
  • Learn commissioning and customer handover processes
  • Progressive skills development in standards, safety and HFE procedures

Profile we are looking for

  • Currently training in plumbing, heating, air conditioning, refrigeration or renewable energy (vocational diploma, BTS, etc.)
  • Prior field experience required (internship, student job or seasonal plumbing or HVAC work)
  • Motivation for site work and learning the trade in real conditions
  • Driving licence preferred
  • Reliability, punctuality and willingness to grow within a craft team

What we offer

  • Supervision by experienced RGE QualiPAC certified installers
  • Exposure to varied projects: plumbing, heating, air conditioning and heat pumps
  • Structured apprenticeship within a 15-year-old Lille-based SME
  • Potential permanent hire after training depending on profile and needs

Profiles we are looking for

We are strengthening our installation and site teams. If you are skilled in your trade and want to grow within a certified RGE QualiPAC craft company, we should meet.

Plumber heating engineer

You work on sanitary plumbing, heating and repairs. You are independent on site, thorough and comfortable with customer relations.

  • Sanitary installation and renovation
  • Heating, repairs and commissioning
  • Team work across the Lille metropolitan area

Experienced apprentices

You are training in heating, air conditioning or renewable energy and already have initial field experience. We support you on real projects.

  • Supervision by qualified craftsmen
  • Skills development in heat pumps, AC and plumbing
  • Structured apprenticeship within a local SME

Heat pump installers

You are qualified to install air-to-water or air-to-air heat pumps, hydraulic connections and commissioning. Certification or solid field practice is expected.

  • Heat pump installation for homes and businesses
  • Compliance with standards and manufacturer guidelines
  • RGE / QualiPAC certification appreciated

Why join HFE?

Growing company

Over 1,500 installations completed: enough project volume to progress quickly.

RGE QualiPAC certification

Work on grant-eligible projects with recognised brands (Panasonic, Daikin, Atlantic…).

Local, close-knit team

A Lille-based SME where field experience and quality installation matter.

Varied trades

Heat pumps, air conditioning, heating, plumbing: complementary skills within one team.

How to apply?

Send us your CV and a short overview of your background (experience, qualifications, certifications, availability). We review every application and get back to you promptly.

  1. 1 Introduce yourself and your experience
  2. 2 State the role you are targeting or your apprenticeship plan
  3. 3 Specify your availability
Fill in the application form

Select « Recruitment » as the project type and describe your profile in the message.

Ready to apply?

Use our contact form — we will get back to you within 72 hours.