Previous: E Cig of Denver is the premier seller of e-cigarettes and e-juice online, and in Denver locally. We have the highest quality products in the Federal Heights area. Our expert staff is here to help tailor the perfect electronic cigarette experience that is right for you. UPDATED: E-Cig of Denver - Federal Heights is the premier seller of e-cigarettes and e-juice online, and in Denver locally. We have the highest quality products in the Federal Heights area. Our expert staff is here to help tailor the perfect electronic cigarette experience that is right for you. What is an electronic cigarette? Vaping feels like smoking, but without the smoke, tar, or smell, but delivers the nicotine. You can use it almost anywhere you want, anytime you want to, indoors or out. It's time to reclaim your choice, relax, kick back, and enjoy time with your friends. Come see why E-Cigarette and Vapor fans love E-Cig of Denver!