Master-Bilt has announced patent approval for its reverse-cycle process. The proprietary technology involves a reverse-cycle valve that is added to the condensing unit which reverses the direction of ...

In my column in the June 6 issue of The NEWS, I discussed the problem of frozen evaporator coils in walk-in freezers and specifically focused on defrost cycle termination. In this column, I want to ...

UK-based researchers have developed a novel method to estimate the amount of defrost cycles a heat pump will experience in the winter and how much energy it would require to implement the cycles. The ...

It's a statement heating and air conditioning pros hear every winter – "My heat pump is blowing cold air!" While there may be a chance the system needs work, a reputable HVAC pro will ask a few ...

US startup TerraVis Energy is developing a residential heat pump that it claims can maintain high comfort levels without requiring defrosting. “The system is based on our soon-to-be patented ...

In climate-controlled works there is need for some kind of defrosting. Defrosting precludes ice formation and to thaw ice in cooling and freezing systems. The defrost control assembly mainly consists ...

Your car's defrost button secretly activates air conditioning, increasing fuel consumption up to 20% while you focus on ...