The authors of ASHRAE 62.2 believe that people need to breathe. And people perform best when the air they breathe is clean, high in oxygen and low in carbon
If you’re installing an HVAC system based on Manual-J sizing calculations, how do you know what size the ducts need to be for each room?
If you’re concerned about reducing energy bills this winter, take advantage of the cold weather and sign yourself up for a free infrared audit of your home, delivered by mother nature herself.
Starting today, any residential building code official can obtain access to our Duct and Envelope Tightness Verifier training for FREE. This training covers the building
Manual-D is ACCA’s duct design method for properly sizing the airflow pathways – the ductwork – within a residential heating and cooling system. Even though
ENERGY STAR for Homes program guidelines will transition to Version 2.5 in 2011. Many homes under construction right now will be required to meet the updated requirements! This article lists lists the most significant changes and describes how this will affect the certification process.
More and more state codes are requiring room-by-room Manual-J load calculations as part of the permitting and inspection process. Virginia, North Carolina, South Carolina, Georgia,
Manual-S is being required by many building programs and local codes these days. The problem is, it’s really hard to tell whether the installing contractor
