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  • The Duffey Difference
  • Heating & Cooling Installations
    • Benefits of New Heating Equipment
    • New Heating Equipment
      • Furnaces
      • Boilers
      • Steam Systems
      • Hot Water Heaters
      • Geothermal
    • Benefits of New Cooling Equipment
    • New Cooling Equipment
      • Central Air Conditioning
      • Ductless Mini Splits
      • Heat Pumps
  • Maintenance & Repair
    • Benefits of a Maintenance Plan
    • Maintenance Plan Options
    • Annual Tune-up
  • Heating Oil
    • Benefits of Heating Oil
    • Heating Oil Delivery
    • Pricing Programs
    • Payment Options
  • Oil Tanks
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09 Jul Why Is Your Upstairs Always Hot During Summer?

Posted at 08:47h in Cooling Equipment, Uncategorized by kateduffeyAdmin 0 Comments
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Does your first floor feel perfectly comfortable while your upstairs feels hot and stuffy? If you're constantly adjusting the thermostat or relying on fans to keep your second floor cool, you're not alone. Uneven temperatures are one of the most common complaints homeowners have during the...

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27 May 5 Things That Stop Working During a Summer Power Outage

Posted at 17:09h in Power Outage by kateduffeyAdmin 0 Comments
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Summer storms can knock out power faster than many homeowners expect. Between heat waves, strong thunderstorms, lightning, and overloaded electrical grids, outages are becoming more common throughout the Philadelphia Main Line and surrounding Pennsylvania communities. While most people immediately think about losing air conditioning, a...

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26 Mar Why You Should Test Your Air Conditioning System Early

Posted at 16:39h in Cooling Equipment by kateduffeyAdmin 0 Comments
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As temperatures begin to rise, many homeowners wait until the first hot day to turn on their air conditioning—only to find it’s not working properly. At D.E. Duffey & Sons, we recommend testing your AC system early in the spring to make sure it’s ready...

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30 Jun What to Expect During an In-Home AC Consultation with D.E. Duffey

Posted at 14:01h in AC Consultation by kateduffeyAdmin 0 Comments
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If your air conditioning system isn’t keeping up—or you're facing rising repair bills—it may be time to evaluate your options. At D.E. Duffey & Sons, we make it easy. Our in-home consultations are straightforward, informative, and tailored to your home and budget. Here’s what to expect...

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05 Jun Keep Cool Air Inside: How to Check Your Fireplace for Drafts This Summer

Posted at 07:22h in Efficiency Tips by kateduffeyAdmin 0 Comments
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As temperatures rise during summer time, your air conditioning system might still be running to keep your home comfortable. But if your fireplace isn’t properly sealed, you could be letting cold air escape—driving up energy bills and forcing your cooling system to work harder. At D.E....

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07 May Maximize Your AC Efficiency: Top Tips to Stay Cool and Lower Your Energy Bills

Posted at 10:43h in Efficiency Tips by kateduffeyAdmin 0 Comments
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As the summer heat rolls in, your air conditioning system is working overtime to keep your home comfortable. But if your cooling system isn’t running efficiently, it could be driving up your energy bills—and leaving parts of your home feeling less than refreshing. At D.E. Duffey...

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28 Mar Thinking About a New AC System? Here’s Why Spring Is the Best Time to Upgrade Your Cooling Equipment

Posted at 11:57h in Cooling Equipment by kateduffeyAdmin 0 Comments
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As temperatures start to rise, spring is the perfect season to think ahead and upgrade your cooling system before summer heatwaves arrive. If your current air conditioner is outdated, noisy, or simply not performing the way it used to, it may be time to consider...

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