What Froling does

Fröling Heizkessel- und Behälterbau Ges.m.b.H. is an Austrian, family-owned manufacturer of biomass heating systems, founded in 1961 and headquartered in Grieskirchen, Austria. The company designs and produces firewood (log wood), pellet, wood chip, combination, industrial and combined-heat-and-power (CHP) boilers spanning 7–1,500 kW, alongside a full suite of storage tanks, discharge and filling systems, and accessories, all manufactured in its own facilities in Austria and Germany. Underlying technology centres on proprietary Lambda combustion control, high-temperature firewood combustion, fixed-bed gasification for CHP, and the Lambdatronic 5000 control platform, with remote monitoring and control delivered through the Fröling Connect cloud service and mobile app, plus Loxone smart-home and Modbus building-management integrations.

Fröling sells almost exclusively through an indirect, channel-led model: a pan-European network of 30,000+ regional distribution and service partners (Gebietsvertreter) covers 25+ countries, supported by trade-show presence, a partner login portal, the Fröling Connect partner area, and an online Product Selector tool. Customer segments span individual residential homeowners, agricultural operations with access to wood fuel, hotels and restaurants, municipal and communal buildings, and industrial facilities requiring large-capacity heating and CHP. Government subsidies, notably the Sanierungsoffensive 2026 initiative offering up to €8,500 of federal funding (up to €16,500 combined with state funding) for biomass conversions, are an explicit demand catalyst.

Revenue is generated primarily through one-time hardware sales of boilers and ancillary equipment, complemented by recurring professional services (installation, maintenance, customer service) delivered via the regional partner network. Pricing is not publicly disclosed and varies by capacity, configuration and region. The company employs 501–1,000 staff, reports a cumulative installed base of 300,000+ systems, and has been independently recognised through multiple Plus X Award "Best Brand" accolades in the heating category, including in 2025.

Name

Froling

Legal name

Fröling Heizkessel- und Behälterbau Ges.m.b.H.

Website

https://froeling.com

Company type

Private

Founded year

1960

Operating status

Operating

Headcount range

51–100 employees

Short description

Fröling is an Austrian, family-owned manufacturer of biomass heating systems — firewood, pellet, wood chip and CHP boilers — ranging from 7 to 1,500 kW, sold via 30,000+ regional partners across 25+ European and international markets to residential, agricultural, hospitality, municipal and industrial customers.

Ownership category

akta.pro rank

Product category

Biomass Heating Systems

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Power Boiler and Heat Exchanger Manufacturing (33241)

SIC

Heating Equipment, Except Electric & Warm Air Furnaces (3433)

akta.pro primary industry

Biomass Heating Systems (Commercial/Institutional Boilers) (EUAAAGAE)

akta.pro secondary industries

Biomass CHP & Cogeneration Plants (Industrial & Utility) (EUAAAGAA), Biomass Plant EPC & Integration (Design/Build, Balance of Plant) (EUAAAGAH)

Keywords

• Biomass heating systems
• Wood chip boilers
• Pellet boilers
• Firewood log boilers
• Industrial heating equipment

Headquarters

HQ city

Grieskirchen

HQ country

Austria

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Biomass Boiler Sales: Sale of wood and biomass heating systems including firewood boilers, pellet boilers, wood chip boilers, and combination boilers ranging from 7 to 1500 kW capacity
2. Industrial Heating Systems: Large-scale commercial and industrial heating solutions for industrial facilities and district heating applications
3. Storage Tank Systems: Thermal storage tanks, solar storage, hygienic layered tanks, and hot water storage solutions
4. Combined Heat and Power: CHP units that generate both electricity and heat from wood chips for on-site energy production
5. Discharge and Filling Systems: Pellet and wood chip discharge systems and storage filling solutions
6. Professional Services: Installation, maintenance, and customer service through regional representatives and service network

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Fröling manufactures and sells a complete range of biomass heating systems, including firewood (log wood) boilers, pellet boilers, wood chip boilers, combination boilers, industrial heating systems, and combined heat and power (CHP) units, with capacities from 7 kW for residential use up to 1,500 kW for industrial applications. The company complements its boiler portfolio with thermal storage tanks, automated fuel discharge and filling systems, and the Fröling Connect cloud platform plus mobile app for remote monitoring and control. All products are manufactured in Fröling's own factories in Austria and Germany.

Product overview

Fröling is a complete supplier for boiler room solutions, offering a comprehensive portfolio of biomass heating products manufactured in their own factories in Austria and Germany. The product lineup includes: (1) Log wood boilers (Scheitholzkessel) ranging 15-60 kW with high-temperature combustion; (2) Pellet boilers (Pelletskessel) from 7-350 kW with full automation; (3) Wood chip boilers (Hackgutanlagen) from 20-1500 kW with Lambda technology; (4) Combination boilers (Kombikessel) firing both wood and pellets; (5) Industrial heating systems (Industrieheizung) 150-1500 kW; (6) CHP/Combined Heat and Power units (Wärme und Strom) generating 46-56 kW electric and 95-115 kW thermal; (7) Comprehensive storage tank systems (Speichersysteme) including layered tanks, solar tanks, hygienic tanks, and fresh water stations; (8) Discharge and filling systems for automated fuel handling. The systems are supported by Fröling Connect cloud service and mobile app for remote monitoring and control, featuring Lambdatronic 5000 control technology. Capacity range spans from 7 kW residential to 1,500 kW industrial applications.

Differentiator

Problem solved

Functional benefit

Products and services

• Scheitholzkessel (Firewood/Log Wood Boiler) Log wood / firewood boilers with high-temperature combustion technology ranging from 15-60 kW. Models include S1 Turbo, S3 Turbo, S4 Turbo, S5 Turbo, S5 Dual, S2 Turbo, S2 Dual compact, SP Dual, SP Dual compact, and FKE aqua fireplace insert. Designed for efficient and convenient heating with split logs for residential applications.
• Pelletskessel (Pellet Boiler) Fully automatic pellet boilers ranging from 7-350 kW. Models include P5 Pellet, PE1 Pellet, PE1c Pellet, PE1e Pellet, P4 Pellet, and PT4e. Suitable for single-family homes up to large commercial enterprises with fully automatic operation and pellet discharge systems.
• Hackgutanlagen (Wood Chip Boiler) Fully automatic wood chip boilers ranging from 20-1500 kW. Models include T4e, TMe, Turbomat, and Lambdamat, all featuring Lambda combustion control technology. Designed for fully automatic burning of various wood materials including chips and wood shavings.
• Kombikessel (Combination Boiler) Combination boilers that fire both log wood and pellets, offering 15-48 kW capacity. Models include S5 Dual and SP Dual. Provides flexibility by combining two fuel types in a single unit for optimal convenience.
• Industrieheizung (Industrial Heating Systems) Industrial and commercial biomass heating solutions ranging from 150-1500 kW. Includes Turbomat and Energiebox systems. Designed for large-scale heating applications in industrial settings, district heating, and large commercial facilities.
• Wärme und Strom (Combined Heat and Power / CHP) Combined heat and power (CHP) systems using fixed bed gasifier technology. Generates 46-56 kW electrical and 95-115 kW thermal capacity. Converts wood chips into both heat and electricity for decentralized energy production.
• Speichersysteme (Storage and Tank Systems) Comprehensive range of storage tank solutions including layered tanks (Schichtspeicher), solar layered tanks (Solar-Schichtspeicher), hygienic layered tanks H2 and H3 (Hygiene-Schichtspeicher), hot water tanks (Warmwasserspeicher Unicell NT-S), modular systems, domestic hot water heat pump BWP-300 PV, and fresh water stations (Frischwasserstation FWS). Provides complete boiler room solutions.
• Austragungssysteme (Discharge and Filling Systems) Automated discharge systems for pellets and wood chip storage, plus storage room filling systems (Lagerraum-Befüllsysteme). Enables automated fuel delivery from storage room to boiler for hands-free operation.
• Fröling App and Fröling Connect Cloud-based remote monitoring and control platform (Fröling Connect) with companion mobile app (Fröling App) for iOS and Android. Allows users to check and control their Fröling heating boiler online from anywhere, with status values, settings changes, email and push notifications. No additional hardware such as an internet gateway is required.

Quantifiable outcome

• Up to €8,500 federal subsidy available through Sanierungsoffensive 2026 for biomass heating replacing fossil fuel systems
• +1 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature6 records

Partnerships

Two partnerships are on record, tiered core.

• LoxonecoreTechnology or IntegrationIntegration of Fröling heating systems with Loxone Miniserver enabling individual boiler control based on single room control of Loxone Smart Home. Allows easy operation and viewing of heating circuits via Loxone interface, immediate status change notifications, and individual operating modes for various scenarios.
• Distribution Partners NetworkcoreChannel Partner/ Reseller/ DistributorNetwork of 30,000+ sales and service partners across Europe providing localized consultation, sales, installation, and after-sales support for Fröling products. Regional representatives are trained, certified, and equipped with up-to-date product knowledge.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Hargassner Heiztechnik: Austrian family-owned manufacturer of biomass heating systems (pellet, wood chip, log wood boilers) with a comparable product portfolio and Central European dealer network, directly competing with Fröling in residential and commercial biomass.
• KWB - Kraft und Wärme aus Biomasse: Austrian biomass heating specialist focused on wood chip and pellet boilers for residential, agricultural, and district heating; provides a direct comparable for Fröling's wood-chip line and Lambda-style controls.
• ÖkoFEN: Austrian pioneer in pellet heating systems with condensation technology; directly competes with Fröling's pellet boiler line across residential and commercial European markets.
• ETA Heiztechnik: Austrian maker of pellet, wood chip, and firewood boilers serving residential and commercial customers with comparable kW ranges and a similar premium positioning in Central European markets.
• HERZ Energietechnik: Austrian biomass heating manufacturer (pellet, wood chip, log wood boilers) with overlapping product range and European distribution, serving as another direct Central European biomass peer.
• Windhager Zentralheizung: Austrian biomass boiler manufacturer producing pellet, wood chip, and log wood heating systems for residential and light commercial applications; competes directly with Fröling in DACH markets.
• GUNTAMATIC (Guntamatic Heiztechnik): Austrian producer of pellet and wood chip boilers with comparable capacity range and dealer model; competes directly in DACH markets and selected export markets.

Broad incumbents

• Bosch Thermotechnology (Buderus): Major European heating manufacturer (Buderus, Junkers, Bosch brands) offering biomass heating among a broad low-carbon HVAC portfolio; represents the broad incumbent benchmark against which Fröling's specialist position is evaluated.
• Viessmann Climate Solutions: Large German incumbent heating manufacturer (now owned by Carrier) offering biomass boilers alongside broader HVAC, heat pump, and gas portfolios; competes with Fröling but at a much larger scale and broader product scope.

Emerging players

• POLYTECHNIK Biomass Energy: Austrian engineering firm specializing in larger-scale biomass combustion plants and district heating systems; adjacent competitor for Fröling's industrial and CHP line, with overlap at the 150-1500 kW tier.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCIW_X8fHwl1G2veRPQOCIzg
• Facebookfacebook.com/froelingheizkessel
• Instagraminstagram.com/froeling_heizkessel

Revenue estimate

Valuation estimate

Number of profiles

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 Froling