The people I was with an addition to myself have been married for quite a long time. When all of our children were young, the people in addition to myself decided to start up a small daycare in our own old school house. This ultimately enabled the people I was with an addition to myself to spend several hours each day with our children, instead of sending them away. One problem with our old school house, was ultimately trying to keep the temperature comfortable inside. Since our place is in the northern area of the country where the temperatures get severely cold, the people I spend time with in addition to myself decided to ultimately upgrade the flooring in our old school house. The special flooring was part of a new heating, ventilation, in addition to A/C device. The radiant heated flooring was placed under our floor boards, so that the heat could emanate up from the bottom. As the heat rises up, our several floor old schoolhouse evenly heat up from the radiant heat. The system in its entirety was quite expensive for a Modern Heating, ventilation, in addition to A/C device, but the people I was with an addition to myself were ready to make the necessary expenses in order to get our radiant heated floors. This new heating, ventilation, in addition to A/C device has ultimately made a huge difference in the indoor air quality of our old school house. We have all enjoyed these things from one time to another in our life.