Cosby Heating and Cooling is your premier HVAC partner serving the Mount Vernon, OH area with dedication and expertise. As a family-owned and operated business, we take pride in delivering top-notch heating and cooling solutions, ensuring the comfort and satisfaction of our community.

For nearly 40 years, Valvoline Instant Oil Change℠ is the Quick, Easy, Trusted name in preventive vehicle maintenance for all types of vehicles. From 15-minute, stay-in-your-car oil changes to a wide range of maintenance solutions, we take the worry out of vehicle care in Mount Vernon.