Windhager

What Windhager does

Windhager (legal entity BHT - Best Heating Technology GmbH) is an Austrian manufacturer of central heating systems founded in 1921 in Seekirchen am Wallersee near Salzburg, producing renewable and conventional heating equipment 'Made in Austria'. The portfolio spans pellet boilers (BioWIN2 DELUXE 3-63 kW, BioWIN EDEL, BioWIN Ultegra, PuroWIN DELUXE Pellets), wood chip systems with proprietary fuel gasification technology (PuroWIN DELUXE), split log systems (LogWIN2, VestoWIN), air- and ground-source heat pumps (AeroWIN, TerraWIN DELUXE ranges from 1-100 kW, plus the 2025 NXT generation), hybrid systems combining biomass with heat pumps (DuoWIN2), gas heating (MultiWIN4, MinoWIN2), solar thermal (SunWIN24M), heat accumulators (AccuWIN family), hot water tanks (AquaWIN family), and a connected control stack (Connect Professional, InfoWIN Touch, MyComfort app, Energy Pilot). The connected controls automate scheduling, optimize heating against variable electricity tariffs and PV surplus, and log parameters for fault diagnosis.

Name

Windhager

Legal name

BHT - Best Heating Technology - GmbH

Website

https://windhager.com

Company type

Private

Founded year

1921

Operating status

Operating

Headcount range

11–50 employees

Short description

Windhager (BHT GmbH) is an Austrian manufacturer founded in 1921 that produces renewable and conventional central heating systems - pellet, wood chip, log, heat pumps, hybrid, gas, and solar - sold across Europe through authorized installer networks serving residential, agricultural, and commercial customers.

Ownership category

akta.pro rank

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341)

SIC

Heating Equipment, Except Electric & Warm Air Furnaces (3433), Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)

akta.pro secondary industry

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

Keywords

• Renewable heating systems
• Pellet boilers
• Wood chip heating
• Heat pumps
• Hybrid heating systems

Headquarters

HQ city

Sempach

HQ country

Switzerland

HQ region

Europe

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Heating System Sales: Sale of heating systems including pellet boilers, wood chip heating, split log heating, heat pumps, hybrid systems, and gas heating systems. Products sold through authorized installer partners.
2. Maintenance and Service Contracts: Regular maintenance services required for warranty compliance and optimal performance. Includes commissioning, annual maintenance, and spare parts supply.
3. Spare Parts: Supply of replacement parts for heating systems. Spare parts availability guaranteed for 10 years from product purchase.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Windhager manufactures and sells renewable-energy central heating systems — including pellet boilers, wood chip heating systems, split log boilers, air-source and ground-source heat pumps, hybrid heating systems, gas heating systems, and solar thermal systems — along with heat accumulators, hot water tanks, and intelligent control platforms. Products are sold primarily through a network of authorized heating engineers/installers across Austria, Germany, Switzerland, France, Italy, and international markets, complemented by direct customer consultation via regional sales managers.

Product overview

Windhager is a leading European manufacturer of central heating systems, offering a comprehensive portfolio of renewable energy heating solutions. The core product lines include pellet heating systems (BioWIN2 DELUXE, BioWIN EDEL, BioWIN Ultegra, PuroWIN DELUXE Pellets), wood chip heating systems (PuroWIN DELUXE), split log heating systems (LogWIN2 DELUXE, LogWIN2 EDEL, VestoWIN), air/water heat pumps (AeroWIN DELUXE, AeroWIN DELUXE NXT, AeroWIN XP EDEL), ground-source heat pumps (TerraWIN DELUXE series), hybrid heating systems (DuoWIN2 DELUXE, DuoWIN2 EDEL, LogWIN2 EDEL Hybrid), gas heating systems (MultiWIN4, MinoWIN2), and solar thermal systems (SunWIN24M). The product ecosystem is complemented by heat accumulators (AccuWIN series), hot water tanks (AquaWIN series), and intelligent control platforms (Connect Professional, Infinity Plus, InfoWIN Touch, MyComfort app, Energiepilot, Smart Home integration). Windhager positions its systems for versatile applications ranging from single-family homes to apartment buildings and commercial properties, emphasizing high energy efficiency, innovative technology, and smart control capabilities. The company also offers the Windhager NXT platform representing next-generation hybrid, digital, and connected heating solutions.

Differentiator

Problem solved

Functional benefit

Brands

• PUREST HEATING: Brand positioning tagline 'PUREST HEATING – FOR YOU AND PLANET BLUE' representing the company's sustainability vision and purest heating technology concept
• Windhager NXT
• Windhager Italia

Quantifiable outcome

• Reduce heating bills by up to 30%
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles3 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

AI capability3 records

Feature4 records

Partnerships

Seven partnerships are on record, tiered supporting, flagship, minor and core.

• Conova GmbHsupportingTechnology or IntegrationProvides web hosting services for BHT/Windhager websites as a data processor under GDPR Art. 28 agreement.
• Loop GmbHsupportingTechnology or IntegrationProvides technical support services for BHT/Windhager web services as a data processor under GDPR Art. 28 agreement.
• LASKflagshipGTM or Marketing PartnerWindhager sponsors LASK football club. LASK achieved 'historic double' with championship and cup win - Windhager congratulated the partner on their 'Perfect Season'.
• BWT (Best Water Technology)flagshipGTM or Marketing PartnerWindhager and BWT co-sponsor motorsport teams including BWT Lechner Racing and Phantom Global Racing in Porsche Supercup 2026. 'PUREST HEATING & PUREST WATER' branding partnership.
• Lebenshilfe Seekirchen and StraßwalchenminorOthersWindhager and BWT donated 10,000 euros to Lebenshilfe, a disability services organization in Seekirchen and Straßwalchen.
• Authorized Heating Engineers and InstallerscoreChannel Partner/ Reseller/ DistributorNetwork of licensed heating engineers/installers who sell, install, and service Windhager products. Partners receive exclusive benefits through the partner program. Products are delivered to the installation site.
• Best Water RunsupportingGTM or Marketing PartnerWindhager participates in Best Water Run 2026, a charity running event supporting clean drinking water worldwide.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Market position

Competitive moat5 records

Customer concentration

• YouTubeyoutube.com/c/WindhagerZentralheizungSeekirchenamWallersee
• Facebookfacebook.com/windhagerdieheizung
• LinkedInlinkedin.com/company/windhager-zentralheizung-gmbh
• Instagraminstagram.com/windhagerdieheizung
• Xx.com/Windhager

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries5 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 Windhager