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Trusted HVAC Experts Since 1977
DESCO Services has been providing top quality heating and cooling installation and repair in the Hanover, Gettysburg and York PA since the late 1970’s. With a dedicated team of experts, we can repair or install heating, cooling and ventilation systems of any make and model. It doesn’t matter how serious the problem, DESCO Services will find a solution for you.
We are experienced in all kinds of residential and commercial installation and repair. Here is a closer look at some of our specialty areas.
Choosing the right HVAC partner is essential for comfort, efficiency, and long-term reliability. At Desco Services, we combine more than four decades of experience with advanced training and a customer-first approach. Our team provides everything from design and installation to retrofit and repair, always backed by our BBB accreditation and trusted reputation. With 24/7 emergency service, competitive warranties, and a wide range of solutions, we are here to deliver the highest level of comfort for your home or business.
Why Choose Desco Services?
Serving Central PA since 1977
NATE-certified HVAC technicians
Full range of heating & cooling services
24/7 emergency service available
Competitive pricing & warranties
BBB-accredited & trusted locally
Expert Service for Every System
Comprehensive heating, cooling, and refrigeration solutions tailored for residential, commercial, and industrial spaces. From new system installations to preventative maintenance and emergency repairs, we ensure your comfort and efficiency year-round.
Residential Heating
Keep your home warm and efficient with expert heating services you can trust. From furnace installations to boiler repairs and seasonal maintenance, we ensure reliable, energy-efficient heating solutions for year-round comfort.
Residential Cooling
We offer professional A/C installation, repair, and maintenance for all makes and models—keeping your home efficient and your family comfortable.
Commercial Cooling
Custom HVAC and refrigeration solutions for businesses of all sizes. Our team delivers reliable design, installation, maintenance, and emergency support for commercial and industrial systems—minimizing downtime and maximizing performance.
Commercial Heating
Custom commercial heating solutions for businesses of all sizes. Our team delivers reliable design, installation, maintenance, and emergency repair services to reduce downtime and improve efficiency.
Here's What Our
Satisfied Customers Are Saying...
At Desco Services, your feedback drives our continued commitment to excellence. If we’ve had the privilege of serving you, we invite you to share your experience. Reviews help us improve, build trust with new clients, and highlight the dedication of our hardworking team. Whether you were impressed by our responsive service, expert craftsmanship, or friendly customer care, your voice makes a difference. Thank you for choosing Desco Services—we appreciate your support and look forward to continuing to earn your trust for years to come.
Mark
"Desco replaced my AC and Heating system. They sent Camrin and another young man and they were both very professional and were able to answer all of my questions. The installation was done with no disruption to my day."
Maureen
"I recently decided to replace my entire HVAC system due to aging and inefficient equipment. The technicians from Desko in Hanover were very professional and worked hard to install our new system with little disruption and great efficiency."
Need HVAC Help? We're Just a Call or Click Away
Whether it’s a quick repair, a new installation, or a custom maintenance plan, our team is ready to help you stay comfortable year-round.
Tell us what you need — we’ll get back to you promptly.