Hochrein GmbH

What Hochrein GmbH does

Hochrein GmbH is a third-generation, family-owned Handwerksbetrieb headquartered in Volkach, Bavaria (Sommeracher Str. 19a, HRB Würzburg 2838), providing integrated sanitary, heating, and climate-technology services under the three pillars "Sanitär" (plumbing), "Heizung" (heating), and "Klima und mehr" (climate and more). Founded in 1950 and led by Managing Directors Bastian Hochrein and Maximilian Hochrein, the company offers installation, repair, maintenance, and emergency service across plumbing, bathroom renovation (including barrier-free and wellness configurations), heating systems (renewables such as solar thermal, biomass, heat pumps, fuel cells, hybrid, and Blockheizkraftwerke/CHP), ventilation with heat recovery, residential air conditioning, smart-home heating control, core drilling up to 400mm, and flood-resistant building technology. Specialty differentiators include a claimed world-first warm-feet beer garden underfloor heating solution using waste heat, and 20+ year operational CHP installations at Hotel Behringer.

The business operates a direct-to-consumer field service model — customers reach the company by phone (+49 9381 1248) or email and technicians are dispatched on-site within approximately a 50 km radius of Volkach. Customer segments are private residential (primary), public administration, gastronomy and hospitality (notably Hotel Behringer, a 30+ year relationship), and industrial. Pricing is quoted per project on a non-public basis with no standardized rate cards. Marketing is limited to the company website (hochrein-gmbh.de), with growth driven primarily by word-of-mouth and long-tenured client relationships rather than paid digital channels.

Scale-wise, the firm positions itself as a "15-Mann-Familienbetrieb" (15-person family business), registered as a German private limited company (GmbH), carrying professional liability insurance with Münchener Verein, and holding the Installateur- und Heizungsbaumeister master craftsman qualification under Handwerkskammer für Unterfranken. No external funding, no M&A, and no subsidiary structure are documented; the company is entirely family-controlled and self-financed.

Name

Hochrein GmbH

Legal name

Hochrein GmbH

Website

https://hochrein-gmbh.de

Company type

Private

Founded year

1950

Operating status

Operating

Headcount range

1–10 employees

Short description

Hochrein GmbH is a third-generation German family Handwerksbetrieb in Volkach, Bavaria, providing integrated plumbing, heating (including renewables and Blockheizkraftwerke), and climate-technology services to residential, hospitality, public, and industrial customers within approximately 50 km of Volkach.

Ownership category

akta.pro rank

Product category

Plumbing, Heating, and HVAC Services

NAICS

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

akta.pro primary industry

HVAC Installation, Service & Repair (IMAIABAA)

akta.pro secondary industries

Residential HVAC System Installation (Furnace/AC/Heat Pump) (HSAOAGAA), HVAC System Replacement & Change-Outs (HSAOAGAB), Range Hood, Vent & Appliance Ducting Installation/Repair (HSAGANAF)

Keywords

• Plumbing installation
• Heating systems
• HVAC services
• Climate technology
• Bathroom renovation

Headquarters

HQ city

Volkach

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales

Revenue model

1. Installation Services: New installations of plumbing, heating, ventilation, and air conditioning systems for residential and commercial buildings.
2. Repair and Maintenance Services: Emergency repair services, regular maintenance, and troubleshooting for existing systems. Available for same-day response.
3. Core Drilling Services: Core drilling services for chimneys, exhaust hoods, wall penetrations, and various other drilling applications up to 400mm.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Hochrein GmbH plans, installs, and services sanitary (plumbing), heating, and ventilation/climate technology systems for residential, commercial, hospitality, public-sector, and industrial customers. The company delivers new installations, renovations, repairs, and ongoing maintenance, including specialized offerings such as block heating power plants, smart home heating controls, water softening, accessible bathrooms, and core drilling. Service is delivered on-site by field technicians within approximately 50 km of Volkach, Bavaria.

Product overview

Hochrein GmbH is a traditional family-run trades business (Handwerk) in its third generation, offering integrated services across three core areas: Sanitär (plumbing), Heizung (heating systems), and Klima und mehr (climate technology). The company provides both residential and commercial services including new installations, renovations, repairs, and maintenance. The portfolio includes specialized products such as combined heat and power systems (Blockheizkraftwerke), smart home heating controls, water softening systems, accessible bathrooms, and core drilling services. The three core service areas work together as an integrated building technology offering, with the company serving private customers, public administration, gastronomy, hospitality, and industrial clients within approximately 50km of Volkach.

Differentiator

Problem solved

Functional benefit

Products and services

• Sanitär (Plumbing Services) Complete plumbing services including bathroom planning, installation, renovation, repairs, and specialized systems such as water softening, filtration, rainwater harvesting, sprinkler systems, and accessible bathroom solutions for care facilities, for residential and commercial customers.
• Heizung (Heating Systems) Full heating system services including installation for single and multi-family homes, renewable energy solutions, block heating power stations (BHKW), solar thermal, biomass, heat pumps, hybrid systems, boiler replacement, fuel cells, maintenance, and remote troubleshooting via remote access.
• Klima und mehr (Climate Technology) Climate technology services including ventilation systems with heat recovery (central and decentralized), combined heat and power (Kraft-Wärme-Kopplung), residential air conditioning, core drilling, chimney connections, exhaust hoods, and smart home heating control systems.
• Blockheizkraftwerke (Combined Heat and Power) Combined heat and power (CHP) systems that generate both heating and electricity, particularly suited for gastronomy and hospitality with high heat requirements. Systems can produce excess electricity for additional revenue.
• Barrierefreie Bäder (Accessible Bathrooms) Barrier-free bathroom solutions designed for care facilities and accessibility requirements, including specialized fixtures and configurations.
• Wellness-Bereiche (Wellness Areas) High-end wellness bathroom installations including Wellness-WC and Geberit bidet systems for premium residential applications.
• Kernbohrungen (Core Drilling) Core drilling services for chimneys, exhaust hoods, wall penetrations, and various other drilling applications up to 400mm diameter.
• Regenwassernutzung (Rainwater Harvesting) Rainwater collection and treatment systems for garden irrigation from cisterns or wells, promoting sustainable water usage.
• Enthärtungsanlagen (Water Softening Systems) Water softening systems that protect high-quality fixtures, heat exchangers, and appliances by reducing water hardness, extending equipment lifespan and maintaining aesthetic appeal of materials.
• Rohrreinigung und Kanal-TV (Pipe Cleaning and Drain Camera) Professional pipe cleaning services with camera inspection technology to diagnose and resolve drainage issues.

Quantifiable outcome

• Block heating power plants at Hotel Behringer operating for 20+ years
• +1 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• SPIE GmbH: European technical services group with substantial German operations in energy and HVAC services for buildings, industry, and energy infrastructure. Comparable in MEP technical scope but competes in larger-scale installation, maintenance, and energy services contracts that exceed Hochrein's regional capacity.
• Gegenbauer Gruppe: One of Germany's largest building services and facility management groups, offering HVAC, plumbing, and technical building services across multiple regions. Operates as a much larger incumbent in the same SHK trade space, providing integrated MEP solutions to commercial and public-sector clients that Hochrein serves locally.
• Dalkia Deutschland: German energy services and district heating provider delivering heating, cooling, and HVAC contracting for municipalities and industrial clients. Comparable in CHP/heating expertise but at a scale involving centralized thermal distribution networks that small regional SHK contractors like Hochrein cannot match.
• ENGIE Deutschland: Large German energy and building services subsidiary of the French utility ENGIE, offering district heating, HVAC contracting, and energy-as-a-service to municipalities, industry, and commercial clients. Directly overlaps with Hochrein's heating and CHP capabilities but operates at a fundamentally larger scale with centralized energy infrastructure.
• WISAG: Major German facility services and technical building services provider covering HVAC, heating, plumbing, and energy management for industrial, commercial, and public-sector clients. Comparable in trade scope but operates at a national scale that allows it to bid on contracts well beyond Hochrein's regional reach.
• KALORIMETA AG: German heating cost billing and contracting services company offering heat supply, metering, and energy services to housing and commercial real estate. Adjacent peer because it touches the same heating customer base as Hochrein but delivers heat-as-a-service rather than installation.

Direct peers

• Heinrich Grotemeier GmbH & Co. KG: Mid-sized German SHK (Sanitär, Heizung, Klima) contractor with multiple locations across North Rhine-Westphalia, providing plumbing, heating, and air-conditioning installation and service. Most directly comparable in trade category and customer mix, though larger and geographically broader than Hochrein.
• SKE Gebäudetechnik GmbH: Mid-sized German building services contractor providing HVAC, plumbing, electrical, and facility maintenance for commercial and public-sector clients. Direct comparable in MEP trade mix, though larger and operating across multiple German regions.

Others

• Vaillant Deutschland: Leading German heating technology manufacturer specializing in heat pumps, gas condensing systems, and ventilation. As one of the brands Hochrein's technicians are trained on, it represents an enabling supplier whose product roadmap and subsidy-eligible offerings directly influence Hochrein's installation revenue.
• Viessmann Climate Solutions: Major German manufacturer of heating, industrial, and refrigeration systems, including heat pumps, biomass, and CHP units that Hochrein installs. Not a competitor but a key upstream supplier whose product portfolio and training programs shape the technical capabilities of SHK contractors like Hochrein.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/hochrein-gmbh

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 Hochrein GmbH