Comfort You Can Count on Year-Round
Your heating and cooling systems are essential to maintaining a safe, comfortable, and energy-efficient home or business. At D. S. Martin in Willow Street, PA, we provide comprehensive HVAC services designed to keep your indoor environment just right—no matter the season. Whether you’re dealing with a broken furnace, a failing AC unit, or a hot water issue, our team is ready to respond with fast, reliable solutions.
Call 717-464-5620 for expert HVAC service in Lancaster City and surrounding areas.
Full-Service Heating and Cooling Solutions
Our HVAC technicians bring over 42 years of combined experience to every job. We specialize in diagnosing, repairing, and installing systems for residential, commercial, and agricultural properties. Our services include:
- Emergency heating and cooling repairs
- Furnace and boiler diagnostics
- AC unit servicing and replacement
- Hot water heater troubleshooting
- Heat pump installation and maintenance
- Gas and oil piping repair and installation
- Cooling tower servicing
- Water heater leaks and pressure issues
- Floor and ceiling unit repairs
- Steam boilers
- Radiator and heater installation and repairs
Whether your system is leaking, producing no heat, or making unusual noises, we’ll identify the issue and restore comfort quickly and efficiently.
Emergency HVAC Services When You Need Them Most
HVAC emergencies can happen at the worst times—during a heatwave, a winter storm, or in the middle of the night. That’s why we offer 24/7 emergency services for urgent issues such as
- No heat or AC
- Hot water not working
- Water leaking from HVAC units
- Boiler malfunctions
- Heat pump failures
- Gas or oil piping issues
- Prevental maintenance available upon request
Our technicians arrive promptly, equipped with the tools and parts needed to resolve the problem on the spot. We prioritize safety, comfort, and long-term performance with every repair.
Heating System Repairs and Installations
When temperatures drop, your heating system becomes your home’s lifeline. We service all types of heating systems, including
- Gas and oil furnaces
- Hot water boilers
- Radiant floor heating
- Heat pumps
- Combination heating and cooling units
- Water heaters (all types)
If your system is outdated or inefficient, we’ll recommend energy-saving upgrades that improve performance and reduce utility costs. We also offer seasonal maintenance to keep your system running smoothly and prevent breakdowns.
Air Conditioning Services for Summer Comfort
A reliable air conditioning system is essential during Pennsylvania’s humid summers. Our AC services include:
- System diagnostics and tune-ups
- Refrigerant checks and recharging
- Thermostat calibration
- Filter replacement and airflow optimization
- Full system replacement and installation
We work with all major brands and models, and we’ll help you choose the right unit for your space and budget. Whether you need a quick fix or a full upgrade, we’ll keep your home cool and comfortable.
Hot Water Heater Services
Hot water is a daily necessity, and when your water heater fails, it disrupts everything. We offer:
- Electric, gas, and oil water heater repair
- Tankless water heater installation
- Leak detection and pressure relief valve replacement
- Sediment flushing and maintenance
- New system recommendations based on usage and efficiency
If your water heater is leaking, producing discolored water, or failing to heat consistently, we’ll diagnose the issue and restore your hot water supply quickly.
Cooling Tower and Specialty HVAC Services
For commercial and industrial clients, we offer specialized HVAC services, including
- Cooling tower servicing and cleaning with no chemicals, just water (call if you have any questions)
- High-pressure surface cleaning
- High-pressure commercial jetter
- Custom piping and system retrofitting
- Commercial-grade diagnostics and repairs
We understand the demands of large-scale systems and offer tailored solutions that meet your operational needs.
Licensed, Tested, and Trusted
D. S. Martin holds a Master Plumber License #33 and serves Lancaster City, York City, and surrounding areas. Our HVAC technicians are drug and alcohol tested and undergo criminal background checks to ensure your safety and peace of mind.
We believe in doing the job right the first time—with integrity, skill, and attention to detail. Our reputation is built on decades of reliable service and satisfied customers throughout Willow Street and beyond.
Schedule Your HVAC Service Today
Don’t let heating or cooling issues disrupt your comfort. Whether you need emergency repairs, seasonal maintenance, or a full system upgrade, D. S. Martin is here to help with expert service and honest advice.
Call 717-464-5620 for expert HVAC service in Willow Street, PA. Let us keep your home or business comfortable all year long.