Your guide to keeping the heat onbr br Whether you're an apprentice or a veteran HVAC technician, you know that technology changes and you need to keep up. This fully revised guidebook covers everything you need to know to install, maintain, and repair the components that run, regulate, and fuel both old and new systems. From oil burners and steam line controls to the newest chip-based technology and environmental regulations, Volume 2 helps you keep the heat on.br Install and repair thermostats, humidistats, automatic controls, and oil or gas burner controlsbr Review pipes, pipe fittings, piping details, valve installation, and duct systemsbr Find new calculations and environmental guidelinesbr Learn the best ways to handle hydronics and steam line controlsbr Deal with solid fuels and understand coal firing methodsbr Refer to data tables with conversions, formula cross-references, and manufacturers' listsbr br br The Audel HVAC Librarybr br Vol. 1 Heating Systems, F