091 846703

GreenTec Ecological Homes Ltd,
Main Street,
Co. Galway

Residential & Commercial Building

Award winning GreenTec Building specialise in the building of passive and low energy homes along with nZEB Residential and Commercial Building established in 2002.

Company Director, Niall Dolan, is a graduate of Limerick Institute of Technology,  and has over 16 years experience in the building industry with having previously worked with Parkroe Construction Ltd and Parklan Building Services Ltd as a Land/Building Surveyor and Project Manager.

Niall graduated with an Honours Degree in Construction Management which is HETAC approved from L.I.T.

Greentec Building is a proud member of EASCA the Environmental and Sustainable Construction Association. Niall is also Certified Passive House Tradesperson by Passivhaus Institut in Germany.

GreenTec Building recieved the Sustainability Award for a Passive House constructed in Spiddal, Co Galway in the Building and Architect of the Year Awards 2017 we also delivered a project in Teeroneer, Co Clare which won the RIAI House of the Year Award Munster 2017


  • Main Contracting Residential and Commercial
  • Passive and Low Energy House Building