HVAC equipment size finder calculators can be found all over the net. While many people view these calculations as accurate, recent studies have shown that they aren’t as accurate as they seem.
While HVAC system types do have some bearing as to the size that you should consider getting, it is worthwhile to consider that the classic rule of thumb that “x number of square feet per ton” no longer holds true. This is because homes have become more modern, and insulation systems have become better over the years.
1. Put Those Thumbs Away
The classic rule of thumb does not hold true anymore. Modern homes with better insulation systems, more windows, and better duct systems need smaller HVAC loads. Their heating and cooling loads are also smaller.
2. Get The Right Information Right Away
While it may seem virtually impossible to calculate the exact size of the HVAC system that you need for your home during the blueprinting process, a useful exercise may be to walk through a similar home and inspect it. Remember, though, small details make a huge difference in houses. HVAC systems are a great way to save energy with home improvements.
3. When in Doubt, Test
If you are having doubts about the size of the HVAC system that you need, you can test the system at a similarly sized and similarly insulated house. Filtration tests can be done using blower tests. You can drill a hole through the wall and drop in a camera probe to test the insulation.
While there are many HVAC equipment size finders online that will tell you the type and size of HVAC system that you need for your home, they may be inaccurate because they do not take into account the specifics of your home. Call an expert for professional advice.
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