Red flakes of tissue-like material are blowing out of our heating system's ducts. Any idea what this is? What can be done to prevent it?

— Don E Wapakoneta, OH

Answered by Harold Remlinger, AIA, LEED AP, NCARB on December 23, 2010

What can be done to reduce dust emitted from a crawlspace-mounted central furnace?

— Nelson Conley, GA

Answered by Harold Remlinger, AIA, LEED AP, NCARB on December 23, 2010

Our living room is rarely used. Should I include it in the central air space or buy a high-efficiency fireplace?

— Amy Mountain View, CA

Answered by Molly McCabe, AKBD, CGP, CAPS on December 9, 2010

What can cause a hot-water baseboard heating system to not reach the set thermostat temperature for several hours?

— Don Randolph, NJ

Answered by Florian Speier on December 4, 2010

Are EcoSmart fireplaces better or worse than the dreaded ventless gas fireplaces in a tight home, in terms of combustion safety?

— Chris Laumer-Giddens Atlanta, GA

Answered by Danny Kelly on December 2, 2010

What's the best combined heating and AC unit to get for a 1200 sq ft, single story, 1920s Spanish house in LA?

— Karin Los Angeles, CA

Answered by Ted Kidd on November 23, 2010

We have an oil steam boiler with integral water heater. Is there a reasonable payback to convert to natural gas?

— Rob Westhelle Portsmouth, NH

Answered by Ted Kidd on November 23, 2010

What's the best temperature to set my hot water baseboard heating to when I leave the house?

— Ryan Smith Bozeman, MT

Answered by William J. Martin, AIA, LEED AP-H on November 21, 2010

In a 2-story home with open 2-story entry in AZ, what is the best way to set the 2 thermostats (up/down) for efficiency? Same temp?

— Re Becca Queen Creek, AZ

Answered by Raymond Pruban on November 14, 2010

I would like to replace my existing oil burner with a new water furnace heat pump. I want to use existing baseboard units. Is this possible?

— Tony Davis Whitinsville, MA

Answered by Elliot Seibert on October 27, 2010

 

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