SMACNA’s new HVAC sound and vibration guide open for public review
Sheet Metal and Air Conditioning Contractors National Association’s (SMACNA’s) new “HVAC Systems Sound and Vibration Guide” is available for a 45-day public review. Interested parties are encouraged to submit comments to email@example.com. Visit SMACNA’s Technical Papers/Guidelines Web pageto download a review copy. Comments are due to SMACNA no later than June 7.