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The simple answer is no, it won’t cost a fortune to keep it comfortable. The Patented CONSERVAGLASS SELECT™ technology we use is extremely energy-efficient, so your new Four Seasons Sunroom, Patio Room or Conservatory stays warmer in winter and cooler in summer without adding to your electric bill.
Relative Heat Gain
High Relative Heat Gain values indicate a sun room that will be unbearably hot or expensive to keep cool. CONSERVAGLASS SELECT™ Relative Heat Gain as low as 29 on some of our triple-glazed glass recipes ensures your sun room can be effectively cooled in all four seasons. Even our double-glazed roof glass has an outstanding Relative Heat Gain of only 39.