What Solarbayer does

Solarbayer GmbH is a German manufacturer and system supplier of renewable heating solutions founded in 2004 and headquartered in Pollenfeld-Preith, Bavaria. The company designs, produces, and distributes an integrated portfolio spanning four technology pillars: solar thermal collectors (vacuum tube CPC Nero, flat-plate PremiumPlus AL, in-roof PremiumFlair AL), biomass heating (BioX wood gasification boilers in 15–45 kW, HVS E series up to 100 kW, PLT-AC pellet boilers with app control), air-to-water heat pumps (LWM), and a full storage technology line (stratified buffer tanks SLS, wall-mounted mini buffer WMP, heat pump combination tanks WP-KOMBI/WP-DF, hygienic tanks HSK-SLS, plus expansion vessels, fresh water stations, and plate heat exchangers). Its proprietary BioX two-stage wood gasification process reaches combustion temperatures up to 1,100°C and delivers up to 30% higher efficiency than conventional wood boilers.

The company sells through a dual-channel model: a B2B trade partner network serving specialist wholesalers and heating installers — with exclusive trade pricing, a partner-only customer area, and professional training — alongside a direct-to-consumer e-commerce shop offering product configurators, multiple payment options, and installment purchase via TeamBank AG's easyCredit. Pricing is unit-based, ranging from approximately €71 for accessories to over €11,000 for high-capacity boilers. Marketing combines the corporate website, planning/simulation tools, video content, social channels, exhibitions, and professional training to drive both consumer and installer demand. Certifiable product compliance under UNI EN 9001, the 97/23/EC Pressure Equipment Directive, and DIN 4807/4751 standards supports eligibility for the German BEG subsidy regime (up to 70% state subsidy from January 2024), positioning Solarbayer to benefit directly from the country's heat transition.

Solarbayer operates as a privately held German GmbH led by Managing Directors Martin Kraus and Benedikt Kirschner, with no disclosed external investors, parent company, subsidiaries, or acquisition activity. Operating geographies are anchored in Germany with limited international shipping references; no public revenue, headcount beyond the (likely inaccurate) 1–10 listing, or funding rounds are disclosed.

Name

Solarbayer

Legal name

Solarbayer GmbH

Website

https://solarbayer.de

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

1–10 employees

Short description

Solarbayer GmbH is a German manufacturer founded in 2004 that designs and distributes an integrated portfolio of renewable heating systems — solar thermal collectors, wood gasification and pellet boilers, heat pumps, and storage tanks — to homeowners, heating installers, and specialist wholesalers primarily in Germany.

Ownership category

akta.pro rank

Product category

Renewable Heating Systems

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Power Boiler and Heat Exchanger Manufacturing (33241), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Power Boiler and Heat Exchanger Manufacturing (332410), Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers (42373), Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers (42372)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430), Steam & Air-Conditioning Supply (4961)

akta.pro primary industry

Solar Thermal & CSP Systems (Collectors, Receivers, Thermal Storage, CSP EPC) (EUAMABAL)

akta.pro secondary industries

Heat Exchangers & Thermal Transfer Equipment (IMAHAKAC), Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF), Hot Water & Stratified Tank Storage (District Energy & Buildings) (EUAFANAC)

Keywords

• Renewable heating systems
• Solar thermal collectors
• Biomass boilers
• Heat pumps
• Heat storage tanks

Headquarters

HQ city

Pollenfeld

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product Sales (Hardware): Sale of renewable heating equipment including wood gasification boilers, pellet boilers, heat pumps, solar thermal collectors, and heat storage tanks sold directly through e-commerce and trade partners.
2. Accessories and Spare Parts: Sale of complementary products including expansion vessels, membranes, heating controllers, flue pipes, solar accessories, and spare parts for installed systems.
3. Wholesale/Distribution: B2B sales to specialist wholesalers and tradesmen through registered trade partner program with net purchase pricing.

Pricing tiers

Go-to-market motion4 records

Distribution channels4 records

Marketing channels8 records

Core offering

Solarbayer manufactures and supplies complete renewable heating systems, including wood gasification boilers (BioX, HVS E), pellet boilers (PLT-AC, PELLMAX), air-to-water heat pumps (LWM), solar thermal collectors (vacuum tube CPC Nero, flat-plate PremiumPlus AL / Silversun, in-roof PremiumFlair AL, NANOSOL DHW), and modular heat storage solutions (stratified buffer tanks SLS, wall-mounted mini buffer WMP, combination double tanks WP-KOMBI / WP-DF, hygienic storage HSK-SLS, fresh water stations FRIWA). The portfolio is sold complete with planning tools, professional training, accessories, and spare parts through trade/wholesale partners and direct consumer e-commerce.

Product overview

Solarbayer is a manufacturer and system supplier for eco-friendly heating systems, offering a comprehensive portfolio of renewable energy heating products organized into four main categories: (1) Solar Thermal Systems including vacuum tube collectors (CPC Nero), flat-plate collectors (PremiumPlus AL, Silversun), in-roof collectors (PremiumFlair AL), and solar DHW heaters (NANOSOL); (2) Biomass/Wood Heating including wood gasification boilers (BioX in 15-45 kW, HVS E in 25-100 kW), pellet boilers (PLT-AC with app control, PELLMAX); (3) Heat Pumps including air-to-water heat pumps (LWM) and dedicated heat pump storage tanks; and (4) Storage Solutions including buffer tanks, stratified storage tanks, combination double tanks (WP-KOMBI, WP-DF), hygienic storage tanks (HSK-SLS), and wall-mounted mini buffer tanks (WMP). The company also provides comprehensive accessories including expansion vessels, fresh water stations, solar controllers, and plate heat exchangers. The product architecture is designed as an integrated system approach where solar thermal collectors, biomass/pellet boilers or heat pumps generate heat, which is then efficiently stored in various buffer and storage tank solutions.

Differentiator

Problem solved

Functional benefit

Products and services

• Vacuum tube collector CPC Nero Top-class vacuum tube collectors with the highest power output for solar thermal energy generation, sold to homeowners, installers, and specialist wholesalers as part of Solarbayer's solar thermal portfolio.
• Flat-plate collector PremiumPlus AL Top-class high-performance flat-plate collectors with a full aluminium absorber for solar thermal systems, available in matching solar packages (2.86 V and 2.86 H) and a dedicated configurator for homeowners and trade partners.
• In-roof collectors PremiumFlair AL In-roof collectors integrated into roof architecture for solar thermal energy collection, supplied with matching solar packages and accessories for residential systems.
• Flat-plate collector Silversun Powerful flat-plate collector with compact proportions for easy installation in solar thermal systems, offered with matching SilverSun solar packages and accessories for residential projects.
• Solar DHW heater NANOSOL Solar collector with enamelled domestic hot water tank for residential DHW preparation using solar energy, sold as a standalone DHW solar package.
• Wood gasification boiler BioX High-performance wood gasifying boiler with Solarbayer's proprietary two-stage combustion, achieving up to 30% higher efficiency than conventional wood boilers and the lowest emissions, available in 15, 20, 25, 35, and 45 kW models for residential biomass heating.
• Wood gasification boilers HVS E Wood gasification boilers without lambda probe, available in 25, 40, 60 and 100 kW power outputs, supplied as boiler sets with dedicated spare parts for higher-demand residential and small-commercial wood heating installations.
• Pellet boiler PLT-AC Comfortable pellet heating system with app control, available in 12, 18, 25, 35, and 45 kW models, also offered as Compact versions with an integrated stainless steel DHW tank for residential renewable heating.
• Pellet boilers PELLMAX Ecologically CO2-neutral pellet heating with the lowest emissions and highest efficiency using wood pellets, supplied as part of Solarbayer's biomass boiler portfolio for residential installations.
• Air-to-water heat pumps LWM Air-to-water heat pump system that extracts free environmental heat from ambient air for residential building heating, sold with compatible heat pump storage tanks and accessories.
• Buffer storage tanks and stratified storage tanks Versatile and efficient buffer and stratified heat storage tanks for heating systems, available in a wide range of sizes and volumes, forming the core of Solarbayer's energy-management-oriented storage offering.
• Wall-mounted mini buffer tank WMP Compact, wall-mounted, ready-to-connect mini buffer tank for heat pump systems that combines a buffer tank for heating and cooling, a hydraulic separator, and a distribution manifold in a single space-saving system.
• Heat pump combination double tank WP-KOMBI All-in-one combination double tank for heat pump systems that combines a domestic hot water tank and a heating storage tank to maximize installation efficiency and reduce component count.
• Heat pump double storage tank WP-DF Double storage tank for system separation between the hot water buffer (with stratified separator plate for fresh water stations) and the heating buffer in heat pump systems, providing hygienic separation and efficient stratification.
• Hygienic stratification buffer tank HSK-SLS Hygienic stratification buffer tank for safe domestic hot water preparation with built-in legionella protection, used with fresh water stations in residential renewable heating systems.
• Heat pump storage tanks High-performance DHW cylinders for heat pump systems that maximize efficiency, extend system service life, and reduce operating costs, forming a new launch within Solarbayer's storage portfolio.
• Expansion vessels (solar, heating, sanitary) Membrane-pressurized expansion vessels for solar, heating, and sanitary water applications, including replacement membranes, available in capacities from 19 to 500 litres and certified to UNI EN 9001 and PED 97/23/EC.
• Fresh water stations FRIWA Fresh water stations for legionella-safe domestic hot water preparation, used in combination with Solarbayer buffer and hygienic stratification tanks to provide on-demand hygienic DHW without storing large hot water volumes.
• Solar controllers Flexible solar controllers for regulation of solar thermal systems, supporting temperature differential and system control functions across the Solarbayer collector portfolio.
• Plate heat exchangers Plate heat exchangers for secure system separation in heating, solar, and sanitary water applications, used to decouple circuits while preserving heat transfer efficiency.

Quantifiable outcome

• Up to 30% higher efficiency in wood gasification boilers compared to conventional wood boilers
• +2 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Vaillant: Major German heating OEM offering heat pumps, gas/biomass boilers and solar thermal through a broad installer network; competes head-to-head with Solarbayer in residential renewable heating systems.
• Wolf (Heiz- und Klimatechnik): German HVAC manufacturer offering heat pumps, gas/biomass boilers and solar thermal; competes with Solarbayer in mid-market residential heating across the same installer channel.
• Stiebel Eltron: German specialist in heat-pump and hot-water technology with strong renewable-heating credentials; competes with Solarbayer's LWM heat pump line and heat-pump storage tanks.
• Viessmann: German family-owned manufacturer of complete heating systems including heat pumps, biomass boilers and solar thermal — the closest like-for-like competitor to Solarbayer across the same product portfolio and installer channel.
• Hargassner: Austrian manufacturer of premium wood-chip and pellet boilers; direct competitor to Solarbayer's BioX wood-gasification and PLT-AC/PELLMAX pellet-boiler lines across the DACH market.
• Weishaupt: German manufacturer of burners, boilers and heat pumps; comparable product mix in biomass boilers and heat pumps with overlap into Solarbayer's industrial/commercial kW range.
• Ökofen: Austrian specialist in pellet heating systems with condensation technology; competes with Solarbayer's PLT-AC and PELLMAX pellet-boiler lines in the German-speaking market.
• Fröling: Austrian biomass heating manufacturer producing wood-gasification and pellet boilers; comparable product engineering and target installer base to Solarbayer's biomass portfolio.

Emerging players

• IDM Energiesysteme: Austrian heat-pump and solar-thermal specialist with comparable technology focus (heat pumps, solar thermal, buffer tanks); partial overlap with Solarbayer's heat-pump and storage tank portfolio.

Broad incumbents

• Bosch Thermotechnology (Buderus/Junkers): Global HVAC incumbent selling heat pumps, biomass boilers and solar thermal under Bosch, Buderus and Junkers brands; dwarfs Solarbayer in scale and dealer reach but overlaps directly on every product category.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/Solarbayer

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Solarbayer