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In cold climates, houses often use a heat exchanger for ventilation. Homeowners who are currently using a furnace for heating may wonder if they still need a heat exchanger if they use a heat pump....

More and more homeowners are interested in getting a heat pump. A heat pump is said to be more efficient at providing heating as well as cooling. If you don't know anything about heat pumps, you...

PH diagram for the refrigeration cycle is one of the essential elements in air conditioning. It is fundamental to how air conditioners work. However, it is not well understood by many HVAC engineers....

Condominium owners often suffer from poor-performing HVAC systems as their condo HVAC unit can't provide adequate heating and cooling. I thought there is a better HVAC system for condominiums. So, I...

Ventilation is essential in the bathroom. An adequately sized bathroom fan is critical to the air quality in the bathroom. So, how do you calculate the CFM of a bathroom fan? To calculate the...

Ventilation is important for our well-being. Houses and buildings need fresh air to maintain good indoor air quality. So, what are the types of ventilation systems available and what are their pros...