Thermawood Wairarapa are pleased to provide free, no-obligation estimates for retrofit double glazing services throughout the Manawatū and Wairarapa regions, including Palmerston North, Whanganui and Masterton. Our online estimate gives you a general indication of the likely cost of your project. If you'd like a detailed quote, we'll arrange a visit to your home during our weekday operating hours to assess your windows, explain how our window insulation system works, and discuss the best solution for your home.