I put in a supervent chimney in January and it has been great. I went with 8 and had to use 4 sections @ $95 a section bought at medards and had a local contractor install it for $200 cash. It ended up being under $800 with installation after buying the sections and the other connectors and black pipe.
The United States of America and its agencies and instrumentalities (also referred to as United States governmental entities) are also exempt from paying New York State sales tax on their purchases. Other states of the United States and their agencies and political subdivisions do not qualify for sales tax exemption.
Contractors are considered to be retailers of services and must collect sales tax on their taxable services. This guide will illustrate when a contractor's service is subject to sales and use taxes. The Department of Revenue Services (DRS) is responsible for administering sales and use taxes in Connecticut. To assist you when using this guide to sales and use taxes for building contractors, we have defined some common terms associated with services to real property.