People in HVAC industry often have to with a compound called the refrigerant, such as R-22 or R-410A. To handle these, the technician should be hand in gloves with certain rules and regulations. HVAC technicians cannot legally buy refrigerant without this credential. There are three types of certification under EPA 608.All of these are achieved by passing different written exams. Level 2 lets technicians to handle products containing high pressure refrigerants.
Most of the people think that the air pollution is outside the and they air which they breath indoors is mostly free from pollutant. However Environm...
Geothermal heat pumps are not like other heating or cooling system as they do not make use of electricity or fuels to generate heat. Instead of gener...
All electric equipments have certain amount of life. If your furnace is more than 20 years old and requires a regular repairing work then it needs to...
Planting papers! Well, to a person not aware of this phenomenon, this may sound absolutely crazy. But yes, seed papers do exist. Seed papers are biod...
Respiratory syncytial virus (RSV) causes an array of respiratory diseases such as infection of the lungs and breathing passages. These affect people ...
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