Gas boiler repair & installation on Cape Cod.
OnCape installs, repairs, and maintains gas boilers across Cape Cod, including cast iron, wall-hung, and combination boilers. Get help with the equipment that keeps your home or business warm.
Request boilers serviceGas boilers for your Cape Cod property
Our published boiler services cover gas-fired cast iron, wall-hung, and combi equipment. Tell us the boiler type and whether the issue affects space heating, hot water, or both.
When your system needs attention
- The boiler is running, but a heating zone stays cold.
- The system does not respond to a call for heat.
- You notice an unfamiliar noise or visible leak.
- A combi boiler is not delivering the expected heating or hot water.
You don’t need to know the cause before contacting us. Tell us what you’ve noticed, and we’ll discuss the next step.
Installation and replacement
An installation or replacement needs to suit the existing heating system and the property’s needs. Share your current boiler details, heating arrangement, and any hot-water requirements when discussing the project.
Discuss an installationRepairs and troubleshooting
A cold zone may involve the boiler, circulation, or controls. Describing which areas are affected helps guide the initial discussion. OnCape can assess the system before recommending the next step.
Maintenance for the season ahead
Our boiler maintenance checklist includes combustion testing, gas-pressure checks, piping inspection, circulator checks, and burner cleaning where applicable. See the maintenance page for the complete checklist.
Explore maintenanceGas boilers: a look at our work.
See equipment and details photographed on OnCape jobs. Open any photo for a closer look.
A closer look at boiler piping
Copper connections, an expansion tank, and venting on a hydronic heating system.
Explore boiler services
Inside a wall-hung boiler
A view during boiler service, with the access cover open and system components visible.
Explore boiler servicesWhich boiler types does OnCape service?
Our services cover gas boilers, including cast iron, wall-hung, and combi boilers. Send the make and model if you have them so we can discuss your equipment.
What is a combi boiler?
A combination, or combi, boiler provides space heating and domestic hot water in one system. Tell us which function is affected when requesting service.
Do you service oil boilers?
The boiler services listed here cover gas equipment. If your fuel type or system is different, contact us to confirm the scope before arranging service.
Your comfort starts with a conversation.
A repair, a replacement, or a little preventive care. Tell us what you need.