AC Installation & Replacement in Newark, DE
Heat Pump and Central Air Installers in Newark,DE
Don’t settle for a “big box” HVAC company that treats you like a zip code. Since 1952, Hillside Oil Heating & Cooling has been the family-owned name Newark homeowners trust to stay cool. From our home base on Brookhill Drive, our NATE-certified technicians provide precision A/C installation and replacement across the entire Newark community.
Whether your old unit finally gave out during a Delaware heatwave or you’re looking to upgrade to a high-efficiency system that slashes your Delmarva Power bill, we’re here to help.
At Hillside Oil Heating & Cooling, we’ve built our reputation as Newark’s trusted heating oil provider. We bring the same reliability to A/C installation and replacement, helping you stay cool when it matters most.
Download our A/C Buyers Guide
If you’d like a FREE QUOTE, call us at 302-738-4144 (DE&PA) or 410-398-2146 (MD). We’ll come to your home and give you an HONEST ESTIMATE for any central air conditioning, heat pump, or ductless AC installation or replacement.
REQUEST FREE ESTIMATE
This contact form does not substitute for a service call request. Please call our office 302-738-4144 or 410-398-2146. Thank You.
When Should You Replace Your Newark, DE A/C System?
Many Newark homeowners wait too long to replace their system. Here are the signs it’s time:
- Your system is 10–15+ years old
- Frequent repairs are adding up
- Your home cools unevenly (hot upstairs, cold downstairs)
- Energy bills are rising without explanation
- Your system still uses R-22 refrigerant (phased out)
Why Newark, DE Residents Choose Hillside for Air Conditioning
We don’t just work in Newark, DE; we live here. From our headquarters on Brookhill Drive, our NATE-certified technicians provide precision A/C setup for every type of Delaware home. Whether you’re in a historic building near the University of Delaware or a newer development in Arbor Park, we have the local expertise you need.
- 70+ Years of Local Service: Three generations of the Sellers family serving New Castle County.
- A+ BBB Rating: Proud winners of the BBB Torch Award for Ethics.
- Energy Efficiency: We install high-SEER systems designed to slash your Delmarva Power bills.
- Full Permit Handling: We manage all City of Newark mechanical permits for you.
Our Cooling Installation Services
| Service | Best For |
|---|---|
| Central Air Conditioning | Whole-home comfort and maximum efficiency. |
| Ductless Mini-Splits | Older Newark homes or specific room additions. |
| Heat Pumps | Energy-conscious year-round heating and cooling. |
Serving All Newark, DE Neighborhoods
Because we are based right here in town, we offer rapid response times across the 19702, 19711, 19713, and 19717 zip codes, including:
Downtown Newark • Main Street • Brookside • Chestnut Hill • Pike Creek • Glasgow • Christiania
Newark,DE A/C Installation FAQ
How much does a new AC cost in Newark, DE?
Costs vary by home size and efficiency ratings. We provide free, on-site estimates to give you an exact price with no hidden fees.
How long does installation take?
Most residential AC replacements in Newark are completed in just one business day.
Do you offer financing?
Yes! We offer flexible financing options to help Newark residents upgrade their comfort without stress.
New Air Conditioner Sales & Installation Guide
If your current air conditioning unit is unreliable, it’s time to consider the benefits of a new system from Hillside Heating & Cooling. A new, energy-efficient air conditioner can significantly reduce your summer cooling costs while keeping you comfortable all season long. Our air conditioning specialists will guide you through selecting the best system for your home and make the installation process as seamless and affordable as possible. With over 70 years of experience serving New Castle County, DE, Cecil County, MD, and Southern Chester County, PA, Hillside is your trusted air conditioning expert.
Download our A/C Buyers Guide
New Heat Pump Sales & Installation Guide
If you’re looking for a more efficient way to heat and cool your home, a heat pump delivers year-round comfort in one system. Hillside installs advanced heat pumps designed to reduce energy use, improve performance, and maintain consistent indoor temperatures in every season. Our team will help you select the right system and complete installation with precision and care. Backed by over 70 years of experience, Hillside is your trusted partner for efficient home comfort.
Download our Heat Pumo Buyers Guide
SCHEDULE A FREE A/C ESTIMATE TODAY!
Call Hillside Heating and Cooling at 302-738-4144 or 410-398-2146 to learn more about our AC Install and Replacement Services or schedule a FREE estimate for any central air conditioning, heat pump, or ductless AC installation or replacement in Newark, DE.
Join Over 5000 Customers Who Trust Hillside For
- Modern Energy-Efficient Products
- Exceptional Customer Service
- Fast and Flexible Scheduling
- Up-Front and Fair Pricing
- Industry Leading Warranties
- Excellent Service and Maintenance Plans
- Courteous and Professional Technicians
- Over 70 Years of Industry Expertise
- Award-winning A/C company
THE TRUSTED COMFORT EXPERTS OF DE, MD, & PA
WE LOVE OUR CUSTOMERS
All of our work is guided by three generations of family attitudes and values – respect, loyalty, integrity, accountability, honesty, kindness. We pride ourselves on building excellent relationships with our customers, some of whom we have served for decades, and then gone on to serve their children for decades. Above all, we know what it’s like to be a customer and how we’d like to be treated.
That’s why we’re so honored to have received thousands of glowing ratings, reviews, recommendations, and testimonials from our heating and cooling customers. It means the care we put into our work shows through, and that we truly are doing customer service right.
Proudly Serving New Castle County, DE, Cecil County, MD and Southern Chester County, PA.
