Know the Importance of Buying an HVAC System, Not Just a Replacement Unit

February 16, 2017

Oftentimes, when a central HVAC system fails, either the indoor or outdoor unit quits working but not both. If your indoor evaporator or outdoor compressor is still functional, it may seem logical to simply replace the failed unit rather than buying a complete new system. Although a single unit is less costly up front, it's important to replace both halves of the system and here's why:

Improved Energy Efficiency

The energy efficiency rating of a new split system is dependent upon having matching components running in tandem. If you add a higher-rated new unit to an older system, any gain in efficiency is lost because it's running with a less efficient unit.

Greater Reliability and Longer Lifespan

Adding a new component to your older system puts extra strain and wear on the existing components. Since the equipment is forced to work harder, it's more likely to break down or fail at the height of the season when you need reliable heating or cooling. If you opt for a complete new system, you'll gain the benefit of years of worry-free, reliable service.

Potential Long Term Savings

Investing in a more efficient new HVAC system can lower your future energy bills, and it can also save you the cost of repairing your older equipment. If you just add a new unit to your aging system, you'll still have those repair bills to deal with as well as another costly component replacement in the near future.

Beneficial Technology and Features

When you upgrade the entire HVAC system, you can take advantage of the latest technological advancements that provide better temperature and humidity control and greater comfort, such as a thermal expansion valve, variable-speed motor, more efficient coil design, or scroll compressor.

Manufacturer's Warranty Coverage

Split system components have to be installed together according to the manufacturer's specifications to qualify for warranty coverage. If you have a single unit added to your existing system, you'll lose that protection against manufacturer defects.

For more advice about the importance of buying a complete HVAC system for your Des Moines-area home, contact us at Lozier Heating & Cooling.

Our goal is to help educate our customers in the greater Des Moines, Iowa area about energy and home comfort issues (specific to HVAC systems).

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