Construction Le Tournesol passive house construction specialist
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Passive House

Responsible building requires an integrated design process. Our approach starts with the Passive House Standard for energy conservation and interior comfort to future proof your home. We then focus on choosing materials that contribute to a healthy home and with a low environmental impact.


Passive house construction
Passive house retrofit
Certified Passive house consultant
Deep energy retrofit of existing houses

Environmentally Friendly

FSC Lumber
Use of Grey Water
Triple Pane Windows
Materials with low VOC
Natural Paints
Natural Stains
Cellulose Insulation
Hepa Filters for Ventilation Systems


Richard Price

Is a founder of Construction Le Tournesol. His varied experience in construction, from traditional timber frames and restoration to new construction and renovation, has led him to devotion in developing energy efficient sustainable housing in Quebec. As a certified Passive House Consultant, he helped consult and build the project “Maison Ozalée.


A full Passive House and Leed Platinum house retrofit for a private couple on the Island of Montreal. This experience has Made Richard more convinced than ever that Passive House, and sustainable living is not only possible, but very attainable for a wide range of people. He is also very devoted to building to serve the greater community, such as “Les Serre” a beautiful Green house, for a low income neighbourhood in Montreal, and also “Marche Baldwin” two market stalls used during the summer season that hires troubled teens.


Andrea Ballara

Andrea Ballara is a founding partner and the driving force behind Construction Le Tournesol. She works tirelessly behind the scenes and on site to keep us moving toward our goals. Andrea has a background in customer relations, bookkeeping and design. Her organizational skills combined with her personal touch and eye for detail, makes her our best asset.