Why Won’t My Permit Office Let Me Use Worse Case Design Temperatures in My Manual J Load Calculation?

The simple answer is “Because They Will Reject Your Permit Application” as will your LEED, EnergyStar or HERSRater.  Most HVAC installers and homeowners want to design for the hottest day in August and a 70 F indoor design temperature.  This creates a situation where your HVAC system is oversized resulting in inadequate dehumidification, possible coil … Continue Reading »

WrightSoft ACCA Compliant to Get It Right – WrightSoft Manual J Designers

ACCA approved Wrightsoft programs include Right-J for residential heat gain and heat loss calculations, Right-D for residential duct sizing and Right-N for light commercial loads.   WrightSoft also bundles their various design modules into Right-Suite.  Bill Wright and his team are continuously adding new easy-to-use features.

How an ACCA Certified Manual J Heating and Cooling Load Calculation ensures YOUR house is “Just Right” – Avoiding a GoldiLocks Home.

The Manual J calculation process determines the needed heating and cooling your home needs to stay “just right” – toasty warm in the cold frigid months and cool and comfortable in the hot steamy months.  Decades ago HVAC engineers developed what is now called ACCA Certified Manual J load calculations and is the proven industry … Continue Reading »

Energy Star Recommendations – Your home has humidity problems, excessive dust, or rooms that never seem to get comfortable

Leaky or poorly insulated ductwork might be the cause. Seal Your Heating and Cooling Ducts! Ducts are used to distribute conditioned air throughout houses with forced-air heating and cooling systems. In typical houses, about 20 percent of the air that moves through the duct system is lost due to leaks, holes, and poorly connected ducts. … Continue Reading »

Energy Star Recommendations – Your equipment needs frequent repairs

In addition to the rise in energy costs, the age and condition of your heating and cooling equipment may have caused it to become less efficient. Dirt and neglect are the top causes of heating and cooling system inefficiency and failure. To ensure efficient system operation, it’s important to perform routine maintenance:

This House is TOO COLD – How an ACCA Certified Manual J will avoid the Goldilocks Home

Your home should be the place that is the most comfortable and inviting space in your life.  If your HVAC system is not working properly or is not the optimum design for your home not only will it be uncomfortable, it will also cost you a lot more money than it should.  ACCA certified Manual … Continue Reading »

This House is Just Right – How an ACCA Certified Manual J will avoid the Goldilocks Home

Is your home too hot?  Is your home to cold?  The perfect home should be right in that sweet spot where the temperature is comfortable no matter what the season is.  Keeping your home at the right temperature on a consistent basis not only makes it a more pleasant place to be, but it makes … Continue Reading »

The Third Step – Sizing Supply & Return Duct Work Properly Using ACCA Manual D Duct Design

So you are getting ready to replace an old HVAC system or perhaps you are building your new dream home viagra a andorre.  Before making that purchase or even selecting the installing contractor, there are three important factors to investigate to ensure optimum comfort in your home for many years to come.  This blog addresses … Continue Reading »