~20% of Summerville housing
UPGRADING HVAC IN 1990S SUMMERVILLE HOMES
Homes built in the 1990s have HVAC systems that are now 25-35 years old, or were replaced once with equipment that's now 10-20 years old. Either way, the technology is outdated and the efficiency loss is significant.
25-35 years (original) or 10-20 years (replaced)
Typical system age for this era
COMMON PROBLEMS
Systems on borrowed time at 25-35 years
Ductwork deteriorating after 30+ years
R-22 refrigerant systems still common
Massive energy waste from aged equipment
Temperature swings between rooms
UPGRADE BENEFITS
Modern variable-speed technology replaces on/off cycling
Duct evaluation + sealing included (critical for 30-year-old ducts)
Smart thermostat provides room-by-room monitoring
30-50% reduction in energy costs
Whole-home comfort instead of hot/cold zones
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