According to HVAC manufacturers, customers are looking for highly efficient furnaces that shave dollars off their utility bills while providing the best possible levels of comfort. As a result, most ...

It's perfectly acceptable to have a high-efficiency furnace installed with one pipe. Just flip through the pages of any high-efficiency furnace installation manual and you'll find the answer. I'm ...

Last week I began a reply to J. McC.’s questions about replacing his 1920s gravity warm air furnace (the “octopus”) with a new forced-air furnace. He was also concerned about how to find a ...

A very small number of Americans live in mountainous regions, which is why many HVAC professionals may not even know that gas-fired furnaces installed at higher altitudes usually require modifications ...

Rebecca Brill is a writer whose essays have appeared in The Paris Review Daily, VICE, Literary Hub, and elsewhere. She runs the Susan Sontag's Diary and the Sylvia Plath's Food Diary accounts on ...

On Friday, Oct. 10, CL Linfoot, a heating and cooling company, installed a Lennox high-efficiency furnace and air conditioner in John Nordine’s Grand Forks home. C.L. Linfoot employees Chuck Savage, ...