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 If your current air conditioner is outdated, noisy, or simply not performing the way it used to, it may be time to consider......
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......
Because CO is invisible and odorless, symptoms of exposure are often the first indicator of a problem. Warning signs include: Headaches Dizziness Nausea Confusion Shortness of breath Fatigue If multiple people in your household experience these symptoms, especially in winter when heating systems are running,......
As the cold weather approaches, homeowners often start thinking about heating oil prices and why they seem to fluctuate so much. Whether you’re a long-time customer or considering switching to heating oil, understanding what impacts pricing can help you budget effectively and save money on......
Are you looking for a workplace that values your skills, encourages your growth, and makes you feel like part of a family? At D.E. Duffey & Sons, we’re proud to deliver exceptional service to our customers every day—and we know that wouldn’t be possible without......
As winter settles in, maintaining a warm and comfortable home becomes more important than ever. Unfortunately, unexpected heating issues can disrupt that comfort just when you need it most. At D.E. Duffey, we know that heating emergencies don’t follow regular business hours, which is why......
As winter approaches, it’s essential to ensure your home heating system is ready to keep you comfortable and efficient. For many homeowners, choosing between an oil furnace and a gas furnace can be challenging. Both types of furnaces offer unique benefits, and the best choice......
As the chill of winter approaches, ensuring that your furnace is in optimal working condition is essential for keeping your home warm and cozy. Regular furnace maintenance not only prevents breakdowns during the coldest months but also helps improve your system’s energy efficiency, saving you......
When it comes to heating your home or business, not all heating oil is created equal. At D.E. Duffey & Sons, we deliver premium heating oil that is blended with a Preventative Maintenance Treatment (PMT). This special blend ensures that you get more heat for......
As the seasons change and we transition from the warm days of summer to the cooler months of fall, maintaining indoor air quality becomes increasingly important. During this time, many homeowners start to close their windows more frequently and rely heavily on their heating systems......