Boiler Repair & Installation
Boiler Services in Marin, Sonoma & Napa County
At Ongaro & Sons, we specialize in the installation, repair, replacement, and maintenance of boilers as part of our comprehensive plumbing services. Whether you rely on a boiler for radiant floor heating, baseboard systems, or traditional radiators, our Class C4 California licensed boiler experts have the knowledge and experience to keep it running efficiently.
For four generations, homeowners in the North Bay, including Napa, Marin, and Sonoma counties, have trusted us to deliver high-quality plumbing solutions that stand the test of time. When it’s time to upgrade or replace your boiler, we’ll help you select the right model for your home and your budget.
How Is a Boiler Different From Other Heaters?
Unlike systems that heat air, boilers generate hot water or steam to warm your home through radiant heat. This water-based approach heats your floors, walls, and furniture, allowing those surfaces to radiate warmth back into your space for a more consistent and comfortable indoor environment.
Many boilers operate as sealed systems, which means they recycle the same water or steam, making them incredibly energy-efficient. Because the water retains residual heat after each circulation, it requires less energy to reheat, helping you save on energy costs while keeping your home cozy.
What Are the Advantages of a Boiler?
If you’re considering installing or retrofitting a boiler, here are a few advantages to help you with your decision:
Boilers Cost Less to Operate
Boiler systems are inherently efficient and cost little to run. Their upfront price may be higher than other heating choices, but their annual energy costs more than compensate for that, giving them an edge.
Boilers Are a Cleaner Form of Heating
Boilers send hot water or steam to baseboards, radiators, or floor systems that distribute the heat. Unlike forced-air systems that can circulate and stir up dust, boilers do not introduce new pathogens or allergens into your living space. They contribute to better indoor air quality.
Boilers Operate Quietly
Boilers operate quietly, making them a great choice for homeowners who prefer a peaceful indoor environment. In contrast, forced-air systems can be noticeably louder, as they push heated air through ductwork and vents using a blower fan.
Boilers Are Environmentally Friendly
Since boiler systems can burn recycled and sustainable fuels like biodiesel, they are becoming more popular with homeowners who prefer environmentally friendly options.
Boiler Repairs
How do you know your boiler is malfunctioning? It usually provides a few clues, such as an unusual sound or an odd odor. More obvious signs are leaking water or inconveniently stopping altogether.
If you detect an issue with your boiler equipment, do not wait until the issue evolves into something more serious and costly. We always recommend calling us immediately for a prompt diagnosis and long-lasting repair for your boiler system.
Boiler Maintenance
Preventative maintenance will keep your boiler system running at peak performance and will extend its service life. With routine maintenance, our experts are able to detect potential issues before they develop into major malfunctions.
Regular multipoint inspections, cleanings, and tune-ups are essential to help you save money overall. Professional maintenance also keeps you compliant with your manufacturer’s warranty. Call our experienced team for a full maintenance appointment.
Ask about our preventative maintenance agreement plan, the Ongaro Maintenance Plans, to keep your boiler system running smoothly on those cold winter nights.
Boiler Installation and Replacement
With the proper professional routine maintenance, boilers can provide many years of service. However, as they age, they become less efficient and more costly to run. If you notice this with your aging boiler, contact Ongaro & Sons for an inspection, it might be time to replace it. We install a variety of boiler models and will work with you to find the best system to suit your home, lifestyle, and budget.
Ongaro & Sons takes the guesswork out of choosing a high-efficiency, quality boiler for your home. We calculate your home’s square footage, along with the heating needs of each room, to determine the appropriate size of your needed boiler. A correctly sized boiler will warm your home without wasting energy. A high-efficiency model will save money on utility bills. The higher the efficiency, the more money you will save.
Be sure to speak with our team about financing your new boiler. With approved credit, our financing can help you get the most from your investment.
Schedule Your Boiler Service
When you need boiler installation, replacement, repair, or maintenance, you can rely on us to ensure your satisfaction with our work. We proudly serve Sonoma, Marin, and Napa counties, including Santa Rosa, San Rafael, Kenwood, and other nearby North Bay communities. Call us now at 415-741-2820 or book your appointment online for reliable boiler service you can trust.
Your Comfort, Our Priority
Ongaro & Sons is your trusted heating, cooling, plumbing, electrical, and solar expert, specializing in reliable maintenance and repair services that keep your home running efficiently year-round.
Our certified technicians deliver unmatched expertise with fast, friendly service across Marin, Sonoma and Napa County. From HVAC tune-ups to plumbing repairs and electrical upgrades or solar solutions, we focus on energy-efficient performance and long-term comfort. Count on us to maintain the systems that power your home and keep your environment just the way you like it.
Licensed, Insured, Background-Checked
Our technicians are licensed, experienced, and trained to service all makes and models.
Locally Owned and Operated
Serving the Napa, Marin, and Sonoma communities with personalized, hometown service.
Reliable Repairs
We respond quickly and get the job done right the first time, with no surprises.
Since 1932
Why Ongaro & Sons for Boilers
Boiler work has its own licence classification, and we hold it.
Schedule Service →C-4 boiler and steam fitting, held directly
Ongaro & Sons holds C-4 for boiler, hot water heating and steam fitting alongside C-36 and C-20. Boiler work is inside our own licence rather than at the edge of a general plumbing ticket.
Hydronic systems understood as systems
Circulators, expansion, air elimination and zoning decide whether a boiler performs. Replacing the appliance and leaving the rest is why some new boilers disappoint.
Combustion and venting verified
Efficiency and safety both live here, and both are measurable rather than matters of opinion.
Radiant and radiator systems both covered
North Bay houses carry both. They need different balancing and different controls.
A licence class most plumbing contractors do not carry
C-4 covers boiler, hot water heating and steam fitting. Holding it directly is the difference between a contractor who specialises in this and one working at the edge of a general ticket.
Discount
Membership
Ongaro Maintenance Plans
Annual maintenance on your home systems provides safeguards and comfort to you and your family. Members get priority scheduling, discounts, and proactive checkups that catch problems early.
Member Discounts
5% off every repair and replacement, all year long.
Peace of Mind
Proactive checkups catch issues before they become big problems.
Courtesy Reminders
We call you to schedule: never miss a seasonal service.
Value That Lasts
With Ongaro & Sons, you’re investing in quality, integrity, and service that stands the test of time. Explore our current promotions and see the difference real value makes for your HVAC, plumbing, and electrical needs.
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Read MoreFrequently Asked Questions
Can I upgrade to a high-efficiency boiler?
Yes, modern boilers are more compact and energy-efficient, saving you money on fuel bills.
Is it safe to run a leaking boiler?
No, turn it off and call a technician. Leaks can cause pressure loss, corrosion, and water damage.
What are signs my boiler needs repair?
No heat, water leaks, strange noises, or frequent cycling on and off are all red flags.