Heating System Professionals Servicing DE, PA, & MD
Hillside Heating & Cooling provides comprehensive installation, maintenance, and repair services for oil, natural gas, propane gas, and electric heating systems in Delaware, Maryland, and Pennsylvania.
From selection and purchase to delivery, installation, and service, Hillside ensures your comfort all year long. Our professional staff is fully trained to handle hot air, hot water, boilers, heat pumps, and both traditional and modern tankless water heaters. With over 70 years of experience, we’ve successfully installed countless central heating solutions across the region.
Hillside also specializes in removing and replacing fuel oil tanks, offering both steel and modern Roth double-wall tanks. We service and carry most name-brand equipment, including Armstrong Air, Thermo Pride, Peerless Boiler, Mitsubishi ductless systems, Rinnai tankless water heaters, Honeywell, Aprilaire, and Roth fuel oil tanks.
Our services extend to indoor air quality solutions, such as humidifiers, air cleaners, and dehumidifiers. We offer options ranging from economy to high efficiency to fit any budget.
Additionally, Hillside proudly sells and installs modern, remotely accessible Honeywell thermostats. Control your thermostat from anywhere using your smartphone or computer, allowing you to manage temperatures according to your schedule.
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New Furnace Sales & Installation
Furnace Repair
Furnace Cleaning & Maintenance
Boiler Sales, Maintenance, & Repairs
Heat Pump Sales, Maintenance, & Repairs
Repair or Replace MY Outdated Heating Equipment?
Great Warranties and Service Plans
We choose our equipment based on its reliability and the warranties offered by the equipment manufacturers. All of our products come with industry leading warranties, and in many cases our dealer status allows us to offer unbeatable extended warranty coverage for little to no additional cost. In addition, we offer a number of fantastic service plans for any budget. These plans can extend your equipment’s lifespan, and dramatically reduce overall maintenance costs for the life of the unit.
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
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.