Accessibility Statement

1. Our Commitment

Heat Loss Calculator is committed to ensuring digital accessibility for people of all abilities. We are continually improving the user experience for everyone and applying the relevant accessibility standards based on the Web Content Accessibility Guidelines (WCAG) 2.1, Level AA.

2. Accessibility Features on This Site

• Semantic HTML Structure: All calculation engines use appropriate labels, fieldsets, heading hierarchies (H1 to H4), and ARIA landmarks to support screen readers.
• Full Keyboard Navigation: All interactive inputs, unit conversion toggles, room selection dropdowns, and buttons are operable using standard keyboard controls (Tab, Enter, Space, and Arrow keys).
• High Color Contrast: Text colors, interactive controls, and visual badges are tested to ensure contrast ratios exceed 4.5:1 against their backgrounds for standard body text.
• Responsive Layouts & Zoom: The platform supports browser zooming up to 200% without horizontal scroll or content clipping on mobile and desktop viewports.
• Reduced Motion: Scroll animations respect the user's operating system prefers-reduced-motion preferences.

3. Feedback & Contact

We welcome your feedback on the accessibility of Heat Loss Calculator. If you encounter accessibility barriers, experience difficulty reading any calculation output, or require an alternative format, please contact our team: