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Why You Need an A/C Tune-up Every Year

Some customers ask us if they should get an A/C system tune-up every year or just every couple of years. That’s like asking whether you should brush your teeth every day or every other day. Every equipment manufacturer requires regular maintenance to keep warranties valid. It’s that important. Regular tune-ups prevent many problems that can

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When to Call in an HVAC Expert

There have been a lot of impressive advances in home comfort products over the years, with some recent examples being smart thermostats and wireless zoning controls. It’s easy to find these and dozens of other high-tech products at home improvement stores or through the Internet. We know that for a

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Thirsty Air Conditioners Need a Refill!

Is warm air blowing from your vents when your air conditioner is on? Is frost or ice forming on your central air conditioner lines? You might be low on refrigerant. Sometimes, a central air conditioner needs a refrigerant charge, most commonly called FreonTM. If your unit requires a refrigerant refill,

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Hillside Oil Heating & Cooling Service Areas

Proudly Serving New Castle County, DE, Cecil County, MD and Southern Chester County, PA.

302-738-4144 (DE & PA) 410-398-2146 (MD)

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