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 ...

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 ...

The non-corrugated, stock spiral duct can be used for commercial HVAC applications up to -1.0” WG through 42” diameter, ... The method of test is described in this standard, and the allowable measured ...

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 ...