About us: Greenox in Mallorca
We are the Greenox team in Mallorca: renovation and energy with one person in charge, an office in Palma and the backing of the Greenox Group in Stuttgart.
- 4.8137 reviews on Google
- 100% recommendation on ProvenExpert (189 reviews)
- Office in Palma de Mallorca
Why Greenox
We get back to you within 24 working hours. No obligation, and you pay nothing before signing.
Dr. Lennart Jünemann · PhD in energy economics · your contact for all topics
About us
About us: Greenox in Mallorca, building and energy with one person in charge
About us in brief: Greenox Mallorca is a full renovation and energy efficiency company with an office on Carrer dels Botons in Palma. It is part of the Greenox Group, based in Stuttgart (Germany). We carry out the whole job, from the licence to handing over the keys, and in the same project we improve your home's energy performance with heat pumps, solar panels and insulation.
We carry out full renovations in Mallorca of flats, houses, fincas, hotels and commercial premises across the island. Our team includes architects, site managers, electricians and air conditioning and energy specialists. Dr. Lennart Jünemann is your contact in Palma.
- Greenox Mallorca, part of GREENOX GmbH, with an office in Palma
- Office: Carrer dels Botons, 10, 1A, 07001 Palma
- Part of the Greenox Group, based in Stuttgart (Germany)
- Your contact: Dr. Lennart Jünemann, Greenox Mallorca
- We can help you in Spanish, German and English
- Company details in the legal notice

Step by step
How we work
From first contact to aftercare, always with the same person.
Talk to Dr. Lennart JünemannFree site visit
We look round the property with you or by video call, measure up and listen to what you want.
Design and fixed-price quote
Plans, specifications, schedule, energy plan and an itemised price, all in writing.
Licence and grants
We prepare and submit the permits and the applications for the grants you are entitled to.
Building work with weekly updates
Your site manager coordinates the whole team and sends you photos and a summary every week.
Handover and guarantee
We go through every detail with you and hand over the energy certificate and a 5-year written guarantee.
What we guarantee
What we promise you, in writing
No abstract values. This is what you sign with us before work starts.
One person in charge
Your site manager coordinates the whole team, from the licence to handover, and answers you on WhatsApp.
Fixed price, item by item
The brand and model of every material and a list of what is not included. The price only changes if you ask for changes.
Handover date in the contract
Before work starts you get a week-by-week schedule, with the handover date signed.
You pay as the work progresses
Nothing before you sign and 10% at most when work starts. The rest by finished stages, checked with you.
5-year guarantee
A written guarantee and the same contact if something goes wrong after handover.
Energy measured, not promised
Energy certificate before and after the work: the improvement is proven in writing.
Good to know
The Greenox Group and our office in Palma
The Greenox Group, based in Stuttgart, specialises in energy efficiency for homes. In Mallorca we add the complete building work and an office in the centre of Palma.
Greenox Group
Based in Stuttgart (Germany), more than 200 professionals and experience with solar panels, heat pumps and grant management.
Office in Palma
Carrer dels Botons, 10, 1A, 07001 Palma. We see you Monday to Friday, 8am to 6pm, by appointment.
5-year guarantee
Your contract includes a 5-year guarantee on the work. And the people who give it stay here: our team in Palma handles the follow-up check and any call-out after handover.
Insurance and guarantee
We work with public liability insurance and give a 5-year written guarantee on every project.
Company details: legal notice. Updated: October 2026.
Questions and answers
Frequently asked questions about Greenox Mallorca
Can't find your question? Message us on WhatsApp and we will answer in Spanish, German or English.
Who are you, and how long have you been in Mallorca?
Are you a Spanish company?
What is your connection with Greenox in Germany?
Who will run my project, and in which languages can you help me?
Do you have public liability insurance and a written guarantee?
Can I see your work or talk to customers?
Talk to Dr. Lennart Jünemann, your contact in Palma
Call him on +34 694 91 56 14, message him on WhatsApp or leave your details and he will call you back within 24 hours on working days. The visit is free and with no obligation.
Your contact in Palma
Dr. Lennart Jünemann
PhD in energy economics · your contact for all topics