The classic way of estimating heating load in smaller, envelope-dominated buildings is to assume the rate of heat loss is proportional to the difference between the inside and outside temperature.
In last month’s column, I presented a “template” for a system that provides space heating, cooling and domestic water heating using a cold climate air-to-water heat pump as the primary heat source, and the sole source of chilled water for cooling.
Marley Engineered Products introduces the out-of-sight, out-of-mind UL-listed in-floor perimeter convector — THX Series heater, which delivers comfort, aesthetics and safety for the ultimate supplemental heat system for both new and existing buildings, the company notes.