Is It the Season for A/C Replacement? How to Go About Choosing a New System

Facing an A/C replacement could be one of the more challenging home improvement projects you’ll deal with. Air conditioners are complex and expensive appliances you rely on to maintain your comfort throughout the long cooling season. This guide can help you learn how to choose a system based on critical factors.

Nothing affects the performance of a central air conditioner more than its size. A system that’s too small won’t be able to cool your home when the weather is exceptionally hot, and one that’s too large won’t run long enough per cycle to remove enough humidity. The short cycles also drive up your energy bill and increase the wear and tear on all the parts in the system.

Professional HVAC contractors use a tool called Manual J to calculate the size of the A/C replacement you need rather than going by the size of your existing equipment. Changes or improvements to your home affect its needs, and therefore the size of the A/C replacement. Manual J takes into account the cubic footage you cool, insulation levels, window efficiency and placement, along with other factors related to your home and yard.

Efficiency

The minimum energy efficiency rating for central air conditioners stands at 13 SEER (seasonal energy efficiency ratio). Anything higher may lower your energy bills.

Upgraded features ideal for Northeast Florida's humid climate include:

Variable-speed air handlers - These adjust the motor in the air handler to run at different speeds depending on your cooling needs. They tend to run longer and slower, which removes more humidity.

Dual-speed compressors - A compressor with two speeds runs on its lower speed when temperatures are moderate and saves the high speed for the warmest weather. This saves energy during the spring and fall when it’s cooler.
Installation

Your HVAC contractor should examine your ductwork before installing the A/C and seal the leaks if necessary. The outdoor condenser should be placed in a shady location away from the dryer vent and any heavy vegetation.

If you’ve got questions about an A/C replacement for your home, contact Action Heating and Air Conditioning. We’ve provided HVAC services for Northeast Florida since 1982.

Our goal is to help educate our customers about energy and home comfort issues (specific to HVAC systems).For more information about Indoor Air Quality and other HVAC topics,click here to visit our website