If you’re already well aware of the vagaries and costs involved in keeping spaces at temperature, it may further interest you to know something about the impact of heat-transfer fluids involved and the benefits of dowfrost inhibited glycol fluids: dowfrost, dowfrost hd, dowtherm sr-1, dowtherm 4000, ucartherm htf. In fact, more attention should be paid to the composition and quality of the heat-transfer fluids used in cooling or heating, ventilation and air conditioning (HVAC) applications.