Manufacturer Partners


475 High Performance Building Supply

475 High Performance Building Supply is a Passive House supplier and educator. Selling Passive House essentials like air-sealing tape and more for low energy building.


Alpen High Performance Products

Alpen High Performance Products manufacturers and sells North America's highest performing super-insulating windows and insulated glass units for Passive House.



Looking for an energy-efficient vertical sliding window in the English style?


EuroLine Windows

EuroLine Windows is a high-end innovative designer and manufacturer of distinctive windows for private residences and commercial buildings.



Glavel creates load-bearing, thermal insulating substrate under a slab, glass foam that acts as aggregate layer (drainage/capillary break under slabs).



User-installable window heat pumps


Ikon Windows

High Performance window and door solutions.


Innotech Windows + Doors

Innotech Windows + Doors is a Canadian manufacturer of high-performance windows and doors. We deliver the manufacturing expertise and product performance for sustainable North American projects.


Intelligent Membranes

Intelligent Liquid Applied Membranes for the whole construction industry. This is includes Passive Purple that worlds first Passivhaus Certified Liquid Vapour Control Membrane.



LAMILUX has been manufacturing high-quality skylights made from plastic, glass and aluminium for about 70 years.


Longboard Architectural Products

At Longboard, innovation, sustainability, and quality are intertwined in architectural products to meet the expectations of your unparalleled designs.



The MINOTAIR PENTACARE-V12 Compact Air Treatment Unit controls the ventilation, temperature and humidity of your whole house. It filters, dehumidifies, heats, cools and renews the air.



Partel is Ireland’s leading developer and manufacturer of high-performance airtight and windtight systems for Passive House projects.



Rockwool offers a full range of high-performing and sustainable insulation products for the construction industry and Passive House.


Source 2050

Source 2050 is the first mission-driven, curated marketplace of energy efficient and high performance building products that allows builders to find and purchase the best solutions for their projects.


Sto Corp.

Sto Corp. is an international company selling Passive House wall systems, coatings and finishes.


Zola Windows

Zola provides European manufactured, high-performance windows & doors for North American Passive House buildings.

Advantage Architectural Woodwork LLC

Advanced Architectural Woodwork specializes in high performance insulating and triple-glazed energy-efficient European Windows and Doors for low energy and Passive House homes and buildings.

Cascadia Windows & Doors

Cascadia Windows & Doors is an innovative, industry leader, creating beautifully designed architectural fiberglass windows, doors and cladding support systems.

Collective Carpentry

Collective Carpentry is a North American leading manufacturer of pre-designed and custom super-insulated, wood-based structural wall, roof, and floor panels for thoughtful, principled, and more.

Coltraco Ultrasonics

Coltraco Ultrasonics manufacture, which aligns with Passive House standards for airtightness, leading the way in airtightness testing quantification, utilizing ultrasonics and computer science.


ENERsign GmbH is a leading German producer of high-performance windows and doors with than two decades of specialization and experience on the Passive House market.

European Architectural Supply (EAS)

European Architectural Supply (EAS) is a leading supplier of high-performance windows and doors for Passive House, Net Zero Energy and Deep Energy Retrofit projects

LiteZone Glass Inc.

Next-generation, award-winning, ultra-energy-efficient insulating glass unit that makes possible the world’s most energy-efficient and longest-lasting windows


"Put a little Active in your Passive"™

Mitsubishi Electric Trane HVAC US

Mitsubishi Electric Trane HVAC US LLC is the leading manufacturer of high-performance ductless and ducted variable-capacity heat pump systems.

Owens Corning

Owens Corning is building a sustainable future through material innovation.

PH Airseal

PH Airseal's sole focus is Air sealing residential and commercial spaces, thus allowing them to be more energy efficient, creating a more durable building and providing better indoor air quality.


PROSOCO is a national manufacturer of products for stabilizing masonry walls; cleaning, protecting and maintaining concrete; making building envelopes air- and water-tight; and more.


Retrotec is the world's leading manufacturer of building diagnostic tools. They specialize in blower door manufacturing, promoting green building, & training.

Stego Industries, LLC

High Performance Below Slab Vapor Barriers and Retarders for Passive House buildings

Tstud Engineered Wood

Tstud's™ mission is to develop and inspire sustainable, energy efficient building solutions.


VENTS is one of the world's leading residential and commercial ventilation products manufacturers. Products include HRVs and ERVs; a range of mixed flow, centrifugal fans, and axial fans; and more.