In fact, you do not need a complicated heating system in a log house as the timber itself provides good thermo insulation. If the timber has been well processed and dried, it will provide good thermo insulation even in the depths of winter. A log wall of 20-26cm diameter features a very low warmth circulation; as a result, it preserves the warmth in the same way as 1.2m thick brick wall does. Timber walls accumulate warmth and distribute it evenly in the inside space. Another advantage of log houses is that they get warm quickly while it takes a relatively long time for them to cool down. Warmth of Wood. Warm to the touch (as opposed to the always chilly sheetrock), wood has something called “thermal mass,” a natural property in the logs that helps keep inside temperatures of homes comfortable in all seasons. This allows log walls to collect and store energy, then radiate it back into the home.