The gas-fired, high-efficiency Combi 160 and Cast 92 condensing boilers are Energy Star®-rated. The 93 percent efficient Combi 160 uses premixed burner technology for optimal combustion. The boiler ...

The Ultra with PhD (precision hydronic data) Technology® is a condensing high-efficiency gas boiler available in five sizes. With ratings ranging from 80 to 310 MBtuh, the boilers have 20-100 percent ...

Add Yahoo as a preferred source to see more of our stories on Google. Gas boilers are the most affordable option for many households, but heat pumps offer the potential for greater savings over time. ...

THE CONDENSING COMBI GAS BOILER/WATER HEATER is a green solution for homeowners who require both domestic hot water and hydronic heating. It combines a fin-type stainless steel heat exchanger, a ...

THE COMBI 160 GAS-FIRED CONDENSING BOILER is 93% efficient. It uses premixed burner technology for optimal combustion. It is able to deliver domestic hot water and hydronic heat in a single, complete ...

Navien Inc., a manufacturer of gas tankless water heaters and condensing boilers in the United States and Canada, is showcasing its latest HVAC, water heating and water treatment innovations, with a ...

The Consumer Product Safety Administration announced the recall of three types of condensing gas boilers over a risk of carbon monoxide poisoning. The 60,000 gas boilers were sold under the Prestige ...

For decades, the gas boiler has been the default heating system in UK homes. Despite growing interest in low‑carbon heating, gas remains the dominant fuel for domestic heating. According to the Energy ...