Kleiber Gesellschaft Mit Beschrankter Haftung

What Kleiber Gesellschaft Mit Beschrankter Haftung does

Kleiber GmbH is a privately held, family-associated Sanitär- und Heizungsbetrieb (plumbing and heating contractor) headquartered in Karlsruhe-Durlach, Germany, operating continuously since 1951. The firm delivers a full-service SHK (Sanitär, Heizung, Klima) portfolio to residential property owners and, to a lesser extent, commercial and multi-family building owners in Karlsruhe and surrounding region: installation, maintenance, and repair of heating systems (heat pumps, pellet heating, hybrid heating, district heating transfer stations), air conditioning, mechanical room ventilation, complete bathroom renovation and design, water treatment (softeners, activated carbon filtration, reverse osmosis), and rainwater harvesting. The company holds formal Meister- und Ausbildungsbetrieb status and is managed by Armin Kleiber and Edin Kunovac, suggesting in-house apprentice training and a multi-decade operational footprint (over 1,000 cumulative customers cited, 4.6/5 Google rating from 36 reviews).

The underlying technology stack is largely physical installation work, not a software platform. Technical capability centers on energy-efficient climate control equipment and water-management hardware, with brand partnerships to Geberit, Hansgrohe, BWT (water treatment), and Pfeiffer & May serving as preferred product supply channels. A coordinated 9-partner trade network (solar, construction, electrical, roofing, painting, carpentry, landscaping) extends delivery capacity for full-scope renovation projects. Digital infrastructure is limited to standard SMB tooling: an Elfsight WhatsApp widget, Google reCAPTCHA-protected contact forms, Google Maps embedding, cookie-consent management, and basic Instagram/Facebook profiles alongside an educational blog of 25+ articles on heating, bathroom, and water topics.

The revenue model is project-based professional services plus product-and-installation revenue from hardware (notably water-treatment equipment). All engagements are quote-priced following on-site assessment, with no public pricing tiers. Recurring maintenance, repair, and a 24/7 emergency call service (Notdienst) for existing customers provide a smaller but stickier revenue layer. Go-to-market is direct-to-consumer field service with no intermediaries, resellers, or e-commerce channels; customers initiate contact via phone, email, contact form, or WhatsApp, and services are delivered at customer premises by the company's own technicians or coordinated partner teams. Customer mix is predominantly individual residential homeowners (SMB/consumer) supplemented by commercial and multi-family building owners.

Name

Kleiber Gesellschaft Mit Beschrankter Haftung

Legal name

Kleiber GmbH

Website

https://kleiber-sanitaer.de

Company type

Private

Founded year

1951

Operating status

Operating

Headcount range

11–50 employees

Short description

Kleiber GmbH is a family-associated Meister- und Ausbildungsbetrieb in Karlsruhe-Durlach, Germany, delivering plumbing, heating, air-conditioning, bathroom renovation, water treatment, and rainwater harvesting installation, maintenance, and repair to residential and commercial customers in Karlsruhe and surrounding region since 1951.

Ownership category

akta.pro rank

Product category

Plumbing and Heating Contracting Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (23822), Plumbing, Heating, and Air-Conditioning Contractors (238220)

akta.pro primary industry

Water Systems & Treatment (Pumps/Boilers/Water Heaters/Filtration) (IMAIABAK)

akta.pro secondary industries

Water Softener, Filtration & Treatment System Installation (HSAOAAAH), Expansion Tank, Circulator Pump & Zone Valve Service (HSAOACAG), Heat Pump Repair & Maintenance (HSAOAHAD)

Keywords

• Plumbing and heating services
• Bathroom renovation
• Heat pump installation
• Water treatment systems
• HVAC services

Headquarters

HQ city

Limburgerhof

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Others

Revenue model

1. Maintenance and Repair Services: The company provides ongoing maintenance and repair services for existing installations, including a 24/7 emergency call service for existing customers. Revenue is generated through service call fees and labor charges.
2. Water Treatment Systems: Sale and installation of water treatment products including water softeners, filtration systems, and reverse osmosis units. Revenue generated through product sales and installation services.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Kleiber GmbH is a plumbing and heating (SHK) trades company that installs, maintains, and repairs heating systems (heat pumps, pellet heating, hybrid systems, district heating stations), air conditioning and ventilation equipment, and bathroom installations for residential and commercial customers. The company also sells and installs water treatment systems (water softeners, filters, reverse osmosis) and rainwater harvesting systems. All services are delivered on-site at customer locations in the Karlsruhe region through direct field service, with a 24/7 emergency call service available to existing customers.

Product overview

Kleiber GmbH is a full-service plumbing and heating contractor offering an integrated portfolio of heating systems (heat pumps, pellet heating, hybrid systems, district heating stations), air conditioning and ventilation solutions, and bathroom services (planning, renovation, design). The company provides water treatment systems including softeners, filtration, and rainwater harvesting solutions. Services include installation, maintenance, and repair. The product lineup centers on energy-efficient climate control and water management for residential and commercial properties, supported by partnerships with brands such as Geberit, Hansgrohe, and BWT.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Over 1000 satisfied customers served
• +1 more outcomes

Named customers4 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

Partnerships

Twelve partnerships are on record, tiered minor and core.

• Solar-ActivminorChannel Partner/ Reseller/ DistributorSolar installation partner featured on the About page as part of the company's partner network, enabling coordinated delivery of projects involving solar thermal systems alongside plumbing and heating work.
• Arnold BauingminorChannel Partner/ Reseller/ DistributorConstruction company partner listed on the About page, collaborating with Kleiber GmbH on building projects requiring integrated plumbing and heating solutions.
• Elektro Röckel GmbHminorChannel Partner/ Reseller/ DistributorElectrical contractor partner enabling integrated project delivery for electrical work alongside plumbing and heating installations.
• Badenya BedachungenminorChannel Partner/ Reseller/ DistributorRoofing partner featured on the About page for coordinated execution of projects requiring roofing and waterproofing work alongside sanitary installations.
• Klima Alarm24minorChannel Partner/ Reseller/ DistributorHVAC partner that complements the company's climate control services and can provide additional capacity for larger air conditioning installation projects.
• Malerbetrieb Weis GmbHminorChannel Partner/ Reseller/ DistributorPainting contractor partner enabling coordinated project delivery for bathroom and renovation projects requiring finishing work.
• Schreinerei EttlingenminorChannel Partner/ Reseller/ DistributorCarpentry partner supporting integrated project delivery for bathroom furniture and custom woodwork installations.
• HLR BauserviceminorChannel Partner/ Reseller/ DistributorConstruction service partner in the network enabling broader project coordination for complex renovation projects.
• Gartendesign GünminorChannel Partner/ Reseller/ DistributorLandscaping partner, potentially supporting outdoor rainwater harvesting or garden irrigation system projects.
• GeberitcoreTechnology or IntegrationBrand partner supplying sanitary products (e.g., concealed cisterns, bathroom systems) for installations. Referenced on the rainwater usage and water treatment pages as a preferred brand.
• HansgrohecoreTechnology or IntegrationPremium bathroom fixtures and fittings brand partner supplying products such as the Pontos water management system. Referenced across water treatment and bathroom service pages.
• BWT (BWT Gruppe / P&M Gruppe)coreTechnology or IntegrationWater treatment technology partner supplying products such as water softening systems. Referenced on the water treatment page.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Viessmann: Major German heating manufacturer and climate solutions provider with a partner installer network. Not a direct competitor but a supply-side incumbent shaping the heating systems (heat pumps, pellet, hybrid) that Kleiber installs, and an architect of the partner program that influences SHK installer economics.
• Stiebel Eltron: German heat pump and hot water manufacturer with strong market share in residential heat pumps. Comparable as a supplier-side incumbent to Kleiber's heat pump, hot water and ventilation product lines, and a major shaper of installer training and certification requirements.
• Bosch Thermotechnik (Buderus / Junkers): Bosch's heating and hot water division including the Buderus and Junkers brands, deeply embedded in the German SHK installer ecosystem. Comparable as a manufacturer/installer-network incumbent whose brand preferences shape which systems Kleiber-specified jobs actually ship with.
• Vaillant: One of the largest European heating manufacturers, with a strong brand presence in Germany and a partner installer network for heat pumps, gas and hybrid systems. Comparable as the supplier-side incumbent in Kleiber's core installation categories rather than a service competitor.
• Geberit: European leader in sanitary technology (concealed cisterns, installation systems, bathroom design). Already a brand partner for Kleiber's bathroom and water treatment installations; comparable as the upstream supplier that defines sanitary product specs and certified installer programs.
• BWT (Best Water Technology): European water-treatment specialist (softeners, filtration, reverse osmosis) and named partner of Kleiber's water treatment product line. Comparable as the incumbent supplier of the water-treatment hardware Kleiber sells, services and installs under its own offering.
• Hansgrohe: Premium German bathroom fittings manufacturer (Pontos water management, faucets, showers). A core brand partner for Kleiber's bathroom and water management installations; relevant as the supplier-side incumbent shaping premium bathroom renovation offerings.

Direct peers

• Thermondo: Berlin-based, venture-funded heat pump and heating installer operating across Germany. Directly comparable on heat pump, hybrid and modern heating installation services, but at vastly greater scale with digital marketing and financing that a regional SHK like Kleiber must compete against.

Emerging players

• 1Komma5° (1point5degrees): Fast-growing German installation platform for heat pumps, solar and EV charging. Comparable to Kleiber on heat pump and solar-thermal integration offerings, but competing via a tech-enabled platform model with financing and a roll-up strategy that threatens small traditional SHK operators.
• Enpal: German solar, heat pump and battery installer with rental/leasing financing. Overlaps with Kleiber on residential heat pumps and solar-thermal integration; competes primarily through outsourced installation partners, but increasingly via in-house technicians targeting the same residential retrofit customer.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/kleibersanitaer
• Instagraminstagram.com/kleibergmbh
• LinkedInlinkedin.com/company/kleibergmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Kleiber Gesellschaft Mit Beschrankter Haftung