MR

mr.sol

Alternative Heizungstechnik Sven Kaueroff

Markranstädt, Sachsen, Germany

BiomassSolarSole proprietorship
Founded 19941-10 employees
Profile last updated: March 25, 2026

About

Founded in 1994, mr.sol is a sole proprietorship headquartered in Markranstädt, Germany with approximately 1-10 employees specializing in Biomass, Solar.

mr.sol is a specialised heating and sanitation contractor founded in 1994 in the Leipzig region of Germany. The company focuses on renewable heating systems, particularly biomass heating (pellets, logs, wood chips) and solar thermal technology. Services include planning and installation of modern heating systems with emphasis on energy efficiency, including hydraulic balancing, system integration, and intelligent control technology. The company also provides bathroom renovation and sanitation solutions. As a qualified Pellet Trade Specialist (Pelletfachbetrieb), mr.sol has extensive experience in biomass heating design and installation and holds certification as an Efficiency Craftsperson in heating and sanitation. The company partners with leading manufacturers including Technische Alternative for control systems and GUNTAMATIC and Solarfocus for boilers.

Headquarters

Markranstädt, Germany

Founded

1994

Employees

1-10

Company type

Sole proprietorship

Focus areas

Biomass heatingPelletsSolar thermalWood heatingHeating contractorEnergy efficiencyInstallationDesign

Products & services

Business models

B2BB2C

Value chain

EngineeringConstructionO&M

Locations

Headquarters

Kleeweg 15, 04420, Markranstädt, Sachsen, Germany

Projects

10

Biomass heating system with thermal solar

OperationalBiomass heating system with thermal solar

Wood gasifier boiler (GUNTAMATIC BMK 40 kW) with 3000-litre buffer storage and 12 m² thermal solar system

Leipzig, Germany

Solar thermal system with storage

OperationalSolar thermal system with storage

Custom-built 4000-litre buffer storage (4 m height, 200 mm insulation) with 18 m² tube collector solar system, water-conducting fireplace, and frost protection heating element

Leipzig, Germany

Pellet boiler with thermal solar

OperationalPellet boiler with thermal solar

Solarfocus Octoplus pellet boiler with 12 m² flat collector solar system

Krostitz, Germany

Combination boiler with thermal solar

OperationalCombination boiler with thermal solar

Therminator II wood/pellet combination boiler with 11.2 m² CPC flat collector solar system on flat roof

Krostitz, Germany

Pellet boiler with thermal solar

OperationalPellet boiler with thermal solar

Solarfocus Pellet Top with 5 m² in-roof flat collector solar system in PREFA roofing

Leipzig, Germany

Biomass heating with solar

OperationalBiomass heating with solar

Solarfocus Therminator I 30 kW with 11.2 m² flat collector solar system for vegetable production facility

Leipzig, Germany

Wood gasifier boiler

OperationalWood gasifier boiler

GUNTAMATIC SMART wood gasifier boiler for residential heating

Saarmund, Germany

Pellet boiler

OperationalPellet boiler

GUNTAMATIC Therm wall-mounted pellet boiler (10 kW) for residential heating

Markranstädt, Germany

Combination boiler with buffer storage

OperationalCombination boiler with buffer storage

Therminator II combination boiler for logs and pellets with two 1500-litre buffer storage units

Petersberg, Germany

Hybrid heating system

OperationalHybrid heating system

Pellet boiler with water-conducting fireplace and 11.2 m² CPC flat collector solar system

Könnern, Germany

Credentials & affiliations

Certifications

Pelletfachbetrieb

Issued by: BAFA
View

Zertifikat Effizienzhandwerker SHK

Partnerships

Technische Alternative, GUNTAMATIC, Solarfocus

People

Management & team (1)

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