Dehumidification equipment featuring liquid desiccant units that reduce power consumption of existing HVAC systems and thereby reduce greenhouse gas and carbon dioxide emissions; Machines that provide HVAC functions utilizing liquid desiccants, conventional vapor compression technology or any combination thereof; Air conditioning units utilizing liquid desiccants to remove or add latent moisture from or to the air; ENERGY saving machines, namely, an all-encompassing HVAC system comprising air purifier, dehumidifier, humidifier, air purifier, water generator, and air conditioner, or any combination thereof; Machine that generates purified water from the atmosphere and simultaneously purifies the air; Water purification machines; Air purifying apparatus and machines; Air purifying apparatus; Air exchangers for cleaning and purifying air; Industrial air purifiers; Air purifying units for commercial, domestic, or industrial use; Emission control systems comprised primarily of indirect contact heat exchangers and ozone-based control devices using gas and vapor condensing to control and treat emissions; Dehumidifiers; humidifiers, Industrial dehumidifiers; Air cleaning units; Air conditioners; Electronic generator for use in controlling the amount of humidity in the air by creating, removing or circulating small water particles or water vapor in the air; Atmospheric water generators