Help is at hand though courtesy of [petey53], who made his own ground source heat pump for his Toronto house using a pair of window-mounted air conditioning units. A custom copper “trombone ...

Boyesen’s Supercooler or Hy-Flo kits for enduro (plus motocross and XC) promise to improve the performance of your bike's ...

TerraVis Energy claims its new heat pump system can achieve a seasonal coefficient performance of 3.5 and deliver 30 C of ...

The DOE's challenge to industry was to build energy-efficient, all-electric HVAC units that could perform well in the parts of the ... The problem is that air source heat pumps-- those that ...

Heat pumps sound almost too good to be true. They make for healthier air indoors and out, cut greenhouse gas emissions and ...