This blog thumbnail image visually represents eco-friendly radiant heating with a clean, minimalist design. A simple line-art icon shows a house with a leaf symbolizing sustainability and radiant tubing beneath the home. Set on a warm, earthy orange background, the bold title “Radiant Heating & Sustainability – Why Hydronic Systems Are Eco-Friendly” introduces the blog topic, emphasizing the connection between comfort, energy efficiency, and environmental responsibility.