Windhager
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.
- Company typePrivate
- Founded1921
- HeadquartersSempach, Switzerland
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
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.
Windhager firmographics
Firmographics- 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
Windhager industry classification
Industry- 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
Where Windhager is headquartered
LocationHeadquarters
- HQ city
- Sempach
- HQ country
- Switzerland
- HQ region
- Europe
Offices5 records
Markets served
Windhager business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Operations, Supply Chain, Personnel, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- 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.
- Maintenance and Service Contracts: Regular maintenance services required for warranty compliance and optimal performance. Includes commissioning, annual maintenance, and spare parts supply.
- 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
Windhager product offering
Product offeringCore 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
Companies that use Windhager
Customer profileNamed customers4 records
Segments4 records
Ideal customer profiles3 records
Windhager technology and API
TechnologyAPI detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration7 records
AI capability3 records
Feature4 records
Windhager partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered supporting, flagship, minor and core.
- Conova GmbHsupportingProvides web hosting services for BHT/Windhager websites as a data processor under GDPR Art. 28 agreement.
- Loop GmbHsupportingProvides technical support services for BHT/Windhager web services as a data processor under GDPR Art. 28 agreement.
- LASKflagshipWindhager 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)flagshipWindhager 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 StraßwalchenminorWindhager and BWT donated 10,000 euros to Lebenshilfe, a disability services organization in Seekirchen and Straßwalchen.
- Authorized Heating Engineers and InstallerscoreNetwork 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 RunsupportingWindhager participates in Best Water Run 2026, a charity running event supporting clean drinking water worldwide.
Scale indicators4 records
Recent moves6 records
Expansion highlights5 records
Windhager competitors and assessment
Company assessmentMarket position
Competitive moat5 records
Customer concentration
Windhager social profiles
Digital presenceWindhager compliance and trust
Trust signalCompliance3 records
Windhager financial estimates
Financial estimateRevenue estimate
Valuation estimate
Windhager leadership team
Management profileNumber of profiles
Windhager subsidiaries and ownership
Company hierarchySubsidiaries5 records
Windhager funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Windhager M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Windhager
What does Windhager do?
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.
Is Windhager a public or private company?
Windhager is a private company. It is currently operating.
When was Windhager founded?
Windhager was founded in 1921. It employs 11 to 50 people.
Where is Windhager based?
Windhager is headquartered in Sempach, Switzerland, in the Europe region.
How does Windhager make money?
Three revenue lines are on record. Heating System Sales are the primary driver. The others are maintenance and Service Contracts and spare Parts.
Does Windhager have an API?
No public API is recorded for Windhager.
What industry is Windhager in?
Its primary akta.pro industry code is IMAHAEAC, Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers), with a secondary code of EUAAAGAE, Biomass Heating Systems (Commercial/Institutional Boilers). Its NAICS code is 333414 and its SIC code is 3433.