The duct boot is in the floor, literally right up against the wall. There is a crawlspace below this room and it would be possible to relocate the vents if needed, but from what I understand you ...

The cracks in ductwork typically have an area that is 10% to 20% of the leakage area of the house. Over the course of a heating season, energy losses from ducts when the fan is off can be nearly as ...

Duct smoke detector maintenance requirements are not included in the NFPA standard that covers HVAC systems (NFPA 90A or 90B); however, the International Code Council’s 2015 Mechanical Code does ...

The third edition of the HVAC Duct Construction Standards • Metal and Flexible is intended primarily for commercial and institutional duct construction. This American National Standard (ANSI/SMACNA ...

Your HVAC units hould be properly sized. If it isn't, you could face a litany of issues, according to the Rosie on the House ...

Learn More › Mold in your air ducts isn’t just gross—it can make your home smell musty, cause respiratory problems, and ...

Poor heating of rooms in homes equipped with warm-air furnaces can sometimes be traced to heat loss through uninsulated or poorly sealed air ducts. When ducts run through cold areas such as crawl s… ...

Typically, wall furnaces cost between $1,800 and $2,500, depending on size, heat source and heating capacity. Wall furnaces average half the unit price of a central forced-air furnace.

It performs the Manual J calculations for heating and cooling loads in accordance with the 8th Edition, Version 2, and lets the user design a complete duct system, calculating duct sizes, system ...