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byAlma Abell Heating and cooling appliances are the most expensive things to run in a home. They consume the most energy and require more maintenance than almost any other appliance in a home. However, if they are well maintained they can cost much less to operate.The average homeowner spends about three hundred dollars per month […]

Industrial Building Ventilation by Oleg Tchetchel Air enters office buildings or spaces through both mechanical ventilation systems as well as naturally through leaks around windows, doors, etc. Newer, larger buildings which are highly energy efficient due to sealed windows and heavy insulation primarily depend on mechanical ventilation. Older, small, and low occupancy office buildings can […]