Home Improvement - Category Questions

• How to hide hvac in laundry room?
• My Parryware toilet seat cover has come loose and keeps sliding around. Is this something I can fix myself with basic tools or do I need to buy a specific replacement hinge kit?
• After long hours of work the back support of my office chair has started causing discomfort instead of relief. How can I fix or adjust an office chair’s back support properly to improve posture and reduce back pain?