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What’s New in HVAC Technology

Smarter Home Cooling: Real Solutions for Your Home (and What’s Coming Next!) No one enjoys fiddling with the thermostat, dealing with hot and cold spots, or opening that sky-high energy bill. But good news—today’s smart HVAC technology is solving those everyday frustrations in ways that are simple, affordable, and seriously

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What’s a SEER Rating

How to get SEER-iously comfortable! If you’ve ever shopped for a heat pump, ductless mini-split, central air system, or even a full HVAC replacement, chances are you’ve heard the term SEER tossed around. But what does it really mean—and how does it affect your wallet? Let’s break it down. What

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Final Destination: HEAT WAVE

Hillside sent this script to a Hollywood producer. It’s based on a true story… and it’s happening this week. Extreme heat. A failing A/C. A race against time. Sounds like a horror movie? That’s because it is. Except this one isn’t fiction — it’s your neighborhood, your thermostat, your family

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AC Comfort Then and Now

We’re proud to announce our new status as a Mitsubishi Electric Elite Diamond Contractor. This prestigious designation reflects our dedication to top-tier HVAC installation and service.

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Stay Cool Like Ancient Romans

We’re proud to announce our new status as a Mitsubishi Electric Elite Diamond Contractor. This prestigious designation reflects our dedication to top-tier HVAC installation and service.

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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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