Hallmann Renovations is your trusted partner in transforming homes across Connacht and Galway through high-quality retrofit and renovation solutions. From deep retrofits and external insulation to custom home extensions, window supply, and complete home renovations, our services are designed to enhance both the beauty and energy efficiency of your home. Led by Sylwester Czaja, our skilled team brings creativity, expertise, and meticulous attention to detail to every project. Whether you’re reimagining a single room or upgrading your entire home, we’re committed to delivering results that exceed expectations—making your space more comfortable, sustainable, and uniquely yours.