If your HVAC system is more than 15-20 years old, it may be time to check into regular service or replacement.
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It's that time of year, when summer is coming to a close and we can all notice the swing in temperature that is gradually happening. Soon, the air will change from hot to cooler temperatures, and it will be time to shut off your air conditioning. Before you make that switch ask yourself - when was the last time you checked your furnace?