Manufacturer of double-glazed windows No. 1 in Russia and the CIS About STiS news Testimonials Questions and Answers Where could I buy For individuals Products Rates Guarantee Benefit calculator Where could I buy to corporative clients For architects For corporate settlements Frequently asked Questions Articles All about double-glazed windows Testimonials Didn't find the answer to your question? Ask it now! Ask a Question the main > Questions - answers > Frequently asked Questions Frequently asked Questions All Thermal package 2.0 Thermal package STiS Can you help with the replacement of double-glazed windows in the Moscow region? I ordered windows with Thermal packs 2.0 - now the information on them on the site has almost disappeared. Instead, the description of the DS Thermal Pack goes everywhere. What is the reason for this? In Teplopaketa 2.0, what is used for filling: dry air or argon? Which glass unit retains heat better? We are planning to glaze the loggia. Thermal package 2.0 or Stis Standart with heat saving option, or Stis heat package with heat saving option? Thank. I ordered Stis double-glazed windows with argon filling. Double-glazed windows have no valve and no place for their putty. Maybe the technology has changed? Thank. How should the layout be installed inside a double-glazed unit, in an inner or outer chamber? What does the hologram on the glass unit mean? Are air dampers provided in the insulating glass units (supply ventilation)? How do you know if the glass is coated? Do all STiS product frames have original embossing? What is the formula of Teplopaketa 2.0? I would like to compare it with other double-glazed windows. What does the spacer frame of the new Teplopaketa 2.0 consist of? And how is it different from the TGI framework? What is the coefficient of resistance to heat transfer of glass? How many connections are allowed on the spacer? How should the energy-saving coating be positioned in the window? On the street or indoors? What is the difference: coefficient of resistance to heat transfer and coefficient of thermal conductivity of resistance to heat transfer? Where is the hologram on the glass unit inside or outside the glass unit? What is a heat pack? Where can I order a window with STiS Thermal Pack? Can I replace a regular double-glazed unit with an STiS thermal unit in the already installed windows? What is the warranty for STiS products? What does the formula of a glass unit 4m1 / 12 / 4m1 / 12 / 4m1 mean? What confirms the quality of STIS thermal packets? Is it true that the thicker the glass unit, the better? What is the most important thing when choosing a double-glazed window?