LWH is a trusted, SEAI-registered energy efficiency contractor serving the northwest of Ireland since 2007. We specialise in insulation services and energy upgrades that improve comfort and reduce heating costs for homes and communities.

LWH, our mission is to improve the quality of life for low-income households by delivering energy-efficient upgrades that create warmer, healthier living environments. We are equally committed to empowering unemployed individuals through meaningful work in a supportive social enterprise model. Guided by community needs, we aim to build a more sustainable and inclusive future—one home at a time.