Spencer is is pleased to be a member of the Comfort Institute, Inc. (CI) which is dedicated to helping homeowners achieve a safe, healthy, clean, comfortable and affordable indoor living environment. Comfort Institute, Inc. (CI) is an international indoor comfort research, training and consumer protection organization based in Bellingham, Washington with trainers and offices located throughout the United States and Canada. CI created several useful videos to help you understand solutions to your heating and air conditioning problems.