Flat tire? No problem. The Woowind Ventus Pro is compact, powerful, and easy to use—perfect for car owners, cyclists, and ...

The Germany manufacturer said its new heat pump systems use propane (R290) as the refrigerant and are able to provide a ...

Many people will reach for an aquarium pump, after all that represents a readily available and relatively inexpensive source of bubbles. But not [truebassB], instead he built his own air pump from ...

The program aims to defray the cost of installing electric heat pumps, which can heat and cool homes in place of fossil-fuel ...

Researchers in Italy have designed a novel carbon dioxide heat pump that can work with photovoltaic-thermal energy, a finned coil heat exchanger and a U-tube borehole heat exchanger. Their experiment ...

Are you looking for a quiet aquarium air pump? Our product is your ideal choice. Compared with other air pumps on the market, it has excellent silent performance, produces almost no noise ...

How much land do you need for a ground source heat pump? If you're considering switching to a heat pump, an air source heat pump is the most obvious choice for most homes because they are cheaper to ...

It's designed with a built-in air pump that inflates the mattress to size in less than four minutes, and comes with a handy carrying back so you can easily store it when you're ready to pack it away.

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 ...

Boilers often run less efficiently than rated, as our boiler efficiency guide explains. The efficiency of an air source heat pump is typically between 2.5 and 3.5. If you're thinking of installing a ...

Heat pumps work through the same heat transfer process and largely the same equipment as that used in air conditioners. Air conditioners use a closed loop refrigerant system to remove heat from an ...