Replacing an HVAC System: Four Key Things to Think About First

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  • September 28, 2014

 Replacing an HVAC SystemThe Houston area climate requires an HVAC system that can keep up with both the cooling and heating load, operate efficiently to save you money, reduce carbon dioxide emissions, and provide you with a high level of comfort. If you’re thinking about replacing an HVAC system with a newer, more energy-efficient system, here are a four major considerations to think about before committing to a new furnace, air conditioner or heat pump, to ensure you get the system that will best suit your needs for the next 10-20 years.

1. Replace It All? Or Just One Part?

If the indoor unit of your split-system A/C or heat pump is in good shape but the outdoor unit could use replacing, you might be tempted to replace only the outdoor unit.

In fact, replacing just one component of a split-system HVAC system can lead to serious and expensive operating problems down the road. Mismatched indoor and outdoor units won’t typically live up to the standards of efficiency you expect, and will likely result in the poor performance of both parts. And they may not work together at all.

Depending on the size of your new system and the condition of your ductwork, you may be able to use the existing ducts instead of replacing the whole duct system. However, it’s essential to have a professional evaluate the ductwork to determine if it’s sized properly for the new HVAC system and whether it’s in good enough shape to ensure the highest possible efficiency of the new equipment. Either way, the ductwork should be properly sealed and insulated to provide the highest level of comfort at the lowest possible cost.

2. What’s the Best Size?

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