load calculation

June 11, 2013

Don’t Neglect Load Calculations When Upgrading HVAC Equipment

Most people are careful to avoid installing an under-sized HVAC system in their house, knowing that it will struggle to keep them comfortable on the hottest or coldest days. However, it’s also important to avoid over-sized systems. They operate inefficiently, are more prone to breaking down, and aren’t as effective at removing moisture from the air in the summer. To appropriately size your HVAC system, your contractor will need to calculate the heating and cooling loads of your home. In […]
November 21, 2013

If a New Furnace Is in Your Future, Learn More About Sizing

If you plan on purchasing a new furnace soon, you’ll want to be sure and get the right size for your home. If you are replacing an older furnace, you should avoid simply replacing it with one that has the same BTU rating. Newer furnaces are much more energy-efficient, so your home may require a smaller unit to deliver equal or better results. Plus, your home likely has had improvements in insulation and air sealing over the years, so it’s […]
January 7, 2014

Three HVAC Contractor Practices to Avoid

Most homeowners understand the value of a regular professional service regime for their HVAC installation, and it’s a given that preventative maintenance pays eventual dividends. That said, with our record highs above 100 degrees here in Georgia, and the record low set below zero, it’s easy to envision cases where system failure could constitute an emergency. If the company you call is unscrupulous, that necessity could put you at risk from scams. Knowing the “red flags” is important, and these […]
April 30, 2015

Let a Pro Properly Size Your Central A/C System

Before you get too far into the process of selecting a central A/C system, ask your HVAC contractor to conduct a load calculation first. This calculation involves using Manual J software and is the only way you and the contractor will know the exact size for your new cooling system. Central heating and air systems are sized by tonnage in half ton increments generally from 1.5 to 5 tons.  Basing your decision on the size of your current equipment could be misleading, since the size you […]