HVAC & Refrigeration Experts
HVAC & Refrigeration Experts





Keeping HVAC Systems Running on the Eastern Shore for Over 30 Years
"Marathon" Service You Can Count On
For over 30 years we have served the people and businesses on the Eastern Shore of Maryland, Delaware, Virginia and surrounding areas. Marathon Service Company provides services including residential, commercial-industrial HVAC, commercial refrigeration and more. Every job is viewed as a unique “race for the win” in which our team aims to complete your service in a timely, efficient and high-quality manner. By implementing our “Marathon” work ethic, we apply dedication, commitment, knowledge, hard work and perseverance to keep you in 1st Place!
Our Expertise and Offerings
We service and install most makes and models of HVAC and commercial refrigeration equipment – custom applications being one of our specialties. We offer preventative maintenance service agreements along with a full range of indoor air quality products, including high-efficiency filtration and ultra-violet air sanitizing equipment. Our commercial refrigeration services provide you with peace of mind when equipment that is putting your inventory at risk needs service or replacement. We offer an extensive line of equipment and 24-hour emergency service. Take a look around our website for more detailed information on how we can provide you with “Marathon” service!
Explore Our Services
At Marathon Service Company, we are committed to providing top-tier HVAC and commercial refrigeration services tailored to your needs. Explore the wide range of solutions we offer to ensure comfort, efficiency, and peace of mind for both residential and commercial clients.
Why Choose Marathon Service Company?
At Marathon, we are committed to resolving your HVAC issues and ensuring your comfort after every service. Every team member prioritizes a customer-first mindset. Whether it’s a service call or a new system installation, we aim to provide an exceptional experience from start to finish.
Our Commitments
- Trusted, certified technicians
- 100% customer satisfaction
- 24/7 Availability/ Emergency Repair
- Transparent pricing
- Preventative maintenance benefits
- Professionalism
- Teamwork
- Exceptional service guarantee
Our Membership Plans
Gold Commercial
The Gold Commercial Maintenance Membership provides comprehensive care for your HVAC-R system to help extend equipment life and prevent costly breakdowns. Routine inspections and cleanings reduce the risk of expensive repairs and ensure optimal performance year-round. This plan includes 2–3 visits per year with priority scheduling.
Benefits
- Priority scheduling
- 24/7 availability & emergency repairs
- Avoid expensive surprises
- Extend your system’s lifespan
- Repair discount
Silver Commercial
The Silver Commercial Maintenance Membership is an affordable option for businesses
looking to keep their HVAC-R systems in great shape.
Benefits
- Priority schedule
- 24/7 availability & Emergency repairs
- Avoid expensive surprises
- Extend your systems lifespan
- Repair discount
Gold Residential
The Gold Residential Maintenance Membership provides homeowners with top-tier
service, with the periodic inspection of heating, ventilation, and air conditioning systems to
prolong equipment life and prevent costly breakdowns.
Benefits
- Priority schedule
- 24/7 availability & Emergency repairs
- Avoid expensive surprises
- Extend your systems lifespan
- 15 % Repair/quote discount
Silver Residential
The Silver Residential Maintenance Membership is an economical choice for homeowners
who want essential HVAC system care.
Benefits
- Priority scheduling
- 24/7 availability & emergency repairs
- Avoid expensive surprises
- Extend your system’s lifespan
- 15 % Repair/quote discount
Kind Words from Our Customers
Our commitment to quality and customer satisfaction speaks for itself. Hear from some of the businesses that rely on us to keep their refrigeration systems running smoothly.
Our Recent Projects
Installation of VRF condensing units
Installation of Trenton evaporators
Installation of Rooftop package unit
Installation of Bosch inverter system for residential
Residential ductless system installation
Installation of Rinnai Tankless water heater
Reach Out to Us
We’re here to help with all your HVAC and refrigeration needs. Call or email us anytime during our business hours.
Call Us
410-543-2962
Location
25600 Ocean Gateway, Mardela Springs, MD 21837
office@marathonserviceco.com