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...
Choosing the right size air conditioner isn’t just about staying cool—it directly impacts your energy costs, comfort, and how long your system lasts. At D.E. Duffey & Sons, we often see homeowners dealing with systems that are either too large or too small, leading to...
As temperatures start to rise in Pennsylvania, your air conditioning system is about to work overtime. The last thing you want is for your AC to struggle—or break down—on the first hot day of the year. A quick pre-summer check can help you avoid costly...
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...
A Simple Winter Reminder from D.E. Duffey & Sons When snow hits Delaware County and the Main Line, most homeowners rush to clear the driveway and front steps. But there’s one important area that often gets overlooked: 👉 The pathway to your heating oil fill pipe. If you’re...
A new year is the perfect time for fresh starts—and that includes how you heat and cool your home. As we head into 2026, homeowners across southeastern Pennsylvania are looking for ways to stay comfortable, control energy costs, and make smart, long-term decisions for their...
Labor Day is a time to pause, enjoy the company of family and friends, and celebrate the rewards of hard work. For many of us, it’s also the last long weekend of summer—a chance to fire up the grill, spend time outdoors, or simply relax...
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...
If you're thinking about replacing or repairing your air conditioning system, it's important to be aware of a major industry update that could impact your decision. As of January 1, 2025, the EPA has mandated that all new air conditioning equipment must use R-454B refrigerant. This...
As the days get longer and temperatures start to rise, now is the perfect time to ensure your air conditioning system is ready for the warm months ahead. A professional AC tune-up can improve efficiency, prevent unexpected breakdowns, and keep your home cool and comfortable...