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Reducing Air Pollution In Your Home Is Easy – Use More Efficient HVAC Filters
The average North American family spends about ninety percent of their time indoors and the elderly and infants may spend even more time inside. Indoor air pollution can be two to five times more polluted than outside air. This means that people may be exposed to a greater number of airborne contaminants in their own […]
HVAC CALCULATIONS
Residential HVAC – Manual J Design Calculations
In the past, most HVAC contractors did very little actual design work when “designing” a heating and air conditioning system. Too many of these contractors still operate under the same belief – that “rule of thumb” design techniques are good enough! These are the same guys that charge an air conditioner by putting a hand […]
HVAC Design Calculations – For the Homeowner, Builder, Architect, and the Handy Do-It-Yourselfer
HVAC design calculations, Manual J heat loss/gain calculation, Manual D duct designs, and Manual S equipment selection, are the ACCA approved methods for properly designing heating and/or air conditioning and ventilation systems (HVAC). These methods are rapidly sweeping across our country as the preferred methods to determine HVAC equipment and duct system sizing, as well […]
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