---
title: "klarx for Energy Efficiency Retrofitting – Rent Construction Machinery"
description: "Using klarx's digital solutions, companies in energy efficiency retrofitting can benefit from various rental models and construction machinery"
url: "/en/industries/energy-efficient-building-renovation"
lang: en
---

# klarx for Companies in Energy-Efficient Building Renovation

Germany has ambitious targets for reducing greenhouse gas emissions, including the goal of becoming nearly climate-neutral by 2050. Energy-efficient building renovation is a key component in achieving these targets. Climate protection matters to klarx, and we want to support companies with the right construction equipment to reduce energy consumption and greenhouse gas emissions through renovation measures using modern technologies and energy-efficient solutions.

[Discovery Call](/en/discovery-call) [Request a rental](/en/mieten)

## Modern Equipment

With klarx, you have access to cutting-edge technology and innovative construction machines.

## Guaranteed Availability

All machines are always available for you so you can complete your construction projects on schedule.

## Nationwide Delivery

We deliver our more than 530,000 construction machines across Germany to every job site.

# klarx is the solution for energy-efficient renovation projects

Are you a construction company, trade business, or installer specializing in construction and renovation work that contributes to energy-efficient retrofitting? Does your company insulate walls, roofs, and floors, replace windows and doors with energy-efficient models, or install solar systems and heat pumps? At klarx, you'll find the construction equipment and job site equipment you need. Whether it's mini excavators, wheel loaders, compact loaders, work platforms, work scaffolding, mobile elevated work platforms, construction waste and recycling containers, or other equipment – with more than 530,000 machines in our inventory, you'll find everything you need at klarx. You can source completely digitally and get all the machines you need from klarx with flexible short-term rentals, or use our construction equipment subscription to cover your long-term machinery needs cost-effectively.

[Discovery Call](/en/discovery-call)

## Efficiency

With klarx, you have a partner for all the machines you need, and our digital ordering processes save you time.

## Flexibility

Thanks to our various rental models, you can plan your equipment needs flexibly and optimize your cost structure.

## Guaranteed Availability

klarx guarantees the availability of all machines and delivers nationwide to every job site.

# Working with klarx

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## klarx Packages

Our packages lay out transparently which services, software features, and pricing conditions you receive.

[View packages](/en/benefits/packages)

## Construction Equipment Subscription

Rent construction equipment over a flexible term at a fixed rate, including insurance and delivery.

[Learn more about subscriptions](/en/rent/construction-equipment-subscription)

## klarxMANAGER

The digital solution that lets you rent and extend machines 24/7.

[Go to klarxMANAGER](/en/software/klarxmanager)

## Short-Term Rental

Need machines for 1 day to 40 days? Rent quickly and easily from us—we deliver to any job site across Germany.

[Request a rental](/en/mieten)

## Success Stories

Discover how klarx customers have benefited from klarxMANAGER, our rental models, and our packages.

[Read customer references](/hubfs/Case%20Studies%20-%20Customers/klarx%20Customer%20Case%20-%20Thermondo.pdf)

---

## rnp Solar

The PV system builder rnp Solar was able to optimize its procurement processes with the help of klarx.

[Read rnp Solar case study](https://2531671.fs1.hubspotusercontent-na1.net/hubfs/2531671/Case%20Studies%20-%20Customers/rnp%20Solar%20-%20Customer%20Case.pdf)

## Thermondo

With klarx, Thermondo has successfully completed over 500 projects in record time.

[Learn more](/hubfs/Case%20Studies%20-%20Customers/klarx%20Customer%20Case%20-%20Thermondo.pdf)

## Customer Reviews

> We chose klarx as our exclusive job site equipment provider because the klarxMANAGER offers a digital interface that brings together all procurement processes and makes them accessible to everyone involved.
>
> — Emanuel Heisenberg, CEO of Ecoworks

> klarx provides me with tailored equipment solutions to reliably complete even the most complex job sites.
>
> — Tobias Schöpf, Site Operations Manager, LAMILUX Heinrich Strunz GmbH

> Our personal contact at klarx is always available for advice and spontaneous or special rental requests. At the same time, the klarxMANAGER enables us to handle everyday construction equipment management in an uncomplicated and efficient way.
>
> — Katrin Hansen, Project Manager, rnp Solar GmbH & Co. KG

> Spontaneous rental inquiries, availability updates, or machine cancellations are always possible at klarx. This unique service makes our on-site planning work significantly easier.
>
> — Christian Müller, Production Manager, Zimmer.Obst GmbH

> For 10 orders per day, we used to need an average of 8 hours. With klarx, it's now 5 minutes.
>
> — Christoph Pfeiffer, Team Lead Project Management, Thermondo

# Knowledge, News and Trends

Discover our blog about equipment rental, construction machinery and trends in the construction industry.

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## Sustainability in the Construction Industry

[Learn more now](/en/blog/sustainability-in-construction-challenges-and-solutions)

## Construction Trends for 2024

[Construction Industry 2024](/en/blog/construction-industry-2024)

## Solar Installation Projects

[Read now](/en/blog/solar-installation-projects-the-path-to-greater-sustainability)
