( LIVE IN THE SHOWROOM) The Termatech TT20 Stove series is our best selling contemporary range it combines high product quality, comfortable operation, and chic Scandinavian design. The TT20 is one of the best stoves available on the market for the price. Everyone quickly and easily becomes accustomed to the TT20 series’ operation because it is so straightforward. Change the combustion with one handle. Immediately visible in the fire. The TT20 is simple to use thanks to the built-in start-up feature.