« Back to Glossary Index
A pressure below atmospheric pressure. A perfect vacuum is 30 inches of mercury (periodic symbol “Hg”)
« Back to Glossary IndexA pressure below atmospheric pressure. A perfect vacuum is 30 inches of mercury (periodic symbol “Hg”)
« Back to Glossary IndexAdvantage Heating and Air Conditioning is proud to serve the Willamette Valley area including Corvallis, Albany, Tigard, Keizer, Oregon City, Woodburn, Tualatin, West Linn, Wilsonville, Newberg, Hayesville, Sherwood, Lebanon, Canby, and Dallas, Oregon.