4.8
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Universe Home Services Technician near open van doors

Your Boiler Works Hard All Winter. Universe Keeps It Ready.

A boiler that gets serviced every year is one you do not have to think about when the temperature drops.

Boiler maintenance on Long Island belongs to technicians who know hydronic heating systems and what a Nassau County winter asks of them. Universe Home Services has been doing that work since 1954.

Contact us online to schedule your boiler maintenance visit today.

(516) 473-0202


A Local Partner to Maintain Your Boiler

A boiler is the quiet workhorse of the home, and homeowners who maintain it want a local company that treats the annual visit with the same care.

Universe has been the boiler company for Nassau and Suffolk County households for decades, across every fuel type and configuration found in these homes.

A maintenance visit with Universe looks like a technician who arrives on time, moves through the mechanical room without disrupting your day, and leaves you with a clear picture of where the boiler stands heading into winter. The annual rhythm stays simple because the company handling it makes it simple.

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(516) 473-0202


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What Consistent Boiler Maintenance Delivers

A boiler that is serviced every year performs differently than one that is not. The difference shows up in your heating bills, your comfort, and how long the system lasts.

A boiler running on a fouled burner, a partially blocked heat exchanger, or a circulator pump losing efficiency cannot distribute heat the way it was designed to. Rooms that have always been slightly cold get colder. The thermostat takes longer to satisfy. Annual maintenance keeps every component performing at spec so your home reaches temperature and holds it.

A boiler that is burning fuel cleanly and moving heat effectively through your baseboards or radiators uses less fuel per BTU of output than one that is fighting against buildup, wear, or calibration drift. On Long Island, where heating oil prices and gas rates are among the highest in the region, that efficiency difference adds up across an entire heating season.

A pressure relief valve showing early wear. A circulator pump that is running louder than it should. An expansion tank that has lost its charge. None of these cause a breakdown the day they are found. Left unaddressed, all of them eventually do. A maintenance visit is when a technician is looking specifically for what is developing, not just what has already failed.

Consistent maintenance reduces cumulative wear on the components that carry the most load: the burner, the heat exchanger, the circulator. A boiler that has been serviced annually arrives at year 20 in better condition than one that has not. The difference between a system that needs replacement at 18 years and one that runs reliably to 28 is often maintenance history.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.8
Based on 7251 reviews
Tim from Universe showed up as scheduled and did a great job servicing my HVAC system to get it ready for summer. Very knowledgeable and very friendly person. Highly recommend Universe, especially Tim.
Everything is perfect but price is a little higher than you will get good service
Technician was incredible.
Service man came for burner not working
Determined pipes were frozen and advised what to do
Very helpful and courteous
This review is for Chris the electrician. I give him 10 stars if there is a ten star review. He was professional,cordial,took time to explain the process. He was also very patient . He made sure the whole process was safe.
Good service and the technician dylan was professional and honest
Very good service and the Technician Dylan was very professional and honest
Helped with very clearly estimate of Electric Panel, Heat Pump and Hot water systems.
Great service and on time. Thanks.
Great job
The service provided by Alex was excellent. He explained everything he did in detail and taught me something about our split unit that I did not know. I would welcome him back to do our service any time.
This company provides good service… The technicians are competent, courteous and prompt… I highly recommend this company.
Brandon was able to install a PVB for my irrigation system to keep me in compliance with Federal law and I sure liberty water did not turn off my system. Brandon showed up the next day after I called, he completed the work in less than two hours. He was polite and explained what he was doing, even took the time to install extra hose bibs to ensure it was easier for me to blow out the system. I will ask for him again if I have a plumbing issue.
Prompt response and solved the problem.
Neat and tidy installation and clean up. Excellent job!
Nick was very knowledgeable & personable.
Universe is lucky ๐Ÿ€ to have such a great employee
We had a serviceman come to our house to check into our heating issues. Our burner is showing corrosion due to living near the ocean. We could either repair or replace. We are going to replace the system. The serviceman, Anthony was knowledgeable and not pushy.
This edit is in regards to a recent appt for my AC tune up. The fact that I keep getting rescheduled the day before my appt and after confirming is highly unprofessional. You also need to come up with a better response as to why you are rescheduling as your reps use the same line verbatim. Like everyone else my AC requires maintenance. I had to take days off of work to accommodate YOUR availability only to be cancelled each time, now twice! Its highly inappropriate and unprofessional. Do not bother making appts with this company!

April.2026 update. Alex came and did my tune up. He was very knowledgeable and professional. Thank you for all your time and help. Much appreciated!
Frank N was wonderful. He explained everything thoroughly.
Barney R 3 is wonderful, knowledgeable and professional person. I am very happy to work with him.
Called Universe for a maintenance of our central air. They sent Nick Samson and he did a great job. He was courteous and professional. I highly recommend both Nick and Universe. They always make good on their promises.
Bob was extremely knowledgeable and professional. Outstanding service.
I called at 1:15 in the morning due to my oil burner leaking oil. Dylan was at my home by 8:00 a.m to fix the problem. He knew what the problem was right away and fixed it. He was efficient and clean.
Jake was very professional and provided great details regarding services. I really appreciate the time and attention to details that he took.
The service was great and friendly, doesnt seem like there is any bull. A little expensive but worth it for the service.


Home Comfort Club Members Get Boiler Service Scheduled

Home Comfort Club members get their boiler maintenance scheduled automatically before heating season.

The Home Comfort Club is Universe’s whole-home maintenance membership covering heating, cooling, plumbing, and electrical systems across Nassau and Suffolk County.

The membership includes two pre-scheduled maintenance visits per year, priority access to the schedule, reduced rates on service work, a credit toward a new system installation, and no dispatch fee when a technician performs work.

For boiler households, the fall visit covers your heating system before the demand starts. Contact us to learn what the membership covers.

Green Universe Van parked on the side of residential street


(516) 473-0202

Why Nassau and Suffolk County Homeowners Trust Universe With Their Boiler

Boiler work requires a technician who knows hydronic heating systems specifically, and not every HVAC company does. Universe has been servicing boilers across Nassau and Suffolk County since 1954, and the technicians who handle boiler service understand what Long Island winters demand from hydronic equipment.

Gas boilers, oil boilers, cast iron systems, steam systems in older homes: Universe technicians have serviced all of it across Nassau and Suffolk County. The older homes on Long Island run unusual configurations, and your technician has encountered them before.

A significant share of Nassau County homes still heat with oil. Oil burner service requires specific knowledge: combustion analysis, nozzle and electrodes, heat exchanger inspection, flue condition. Universe technicians perform complete oil burner tune-ups as part of annual maintenance, not as a separate service.

Universe is a BBB Accredited Business that has been doing boiler and plumbing work across Long Island since 1954. Boiler maintenance is not a seasonal add-on. Hydronic heating has been part of Universe’s service in these homes for decades.

If your circulator is in good shape, you hear that. If the expansion tank has another season in it, it stays. Your technician tells you what the system actually needs, explains why, and lets you decide. Universe does not manufacture urgency around components that are not failing.

Boiler maintenance sometimes surfaces related issues beyond the heating system: a zone valve tied to electrical wiring, a plumbing connection at the system drain, or an exhaust flue concern. Universe handles electrical, plumbing, and HVAC in-house. When a maintenance visit turns up something outside the boiler itself, one call is still all it takes.

Other Boiler Services Universe Handles Across Long Island

Maintenance keeps your boiler running. These are the other boiler services Universe handles across Nassau and Suffolk County.

When a boiler fails or loses performance, Universe diagnoses the cause and repairs it. Pressure issues, ignition failures, zone problems, and circulator pump failures are all within scope.

Boiler repair requires a technician who knows hydronic systems, and Universe has been doing this work in Long Island homes for decades, including 24/7 emergency service when a boiler fails mid-winter.

When repair costs approach replacement value or a system has reached the end of its service life, Universe manages the full replacement. Removal of the old system, installation to code, and full startup and balancing.

For Nassau County homeowners still on oil, replacement time is the practical moment to evaluate oil-to-gas conversion, and Universe handles the full scope of that work as well.

A significant share of Nassau County homes still heat with oil, and oil boilers require service beyond what a standard gas boiler tune-up covers. Universe technicians handle complete oil boiler service including burner tune-ups, nozzle and electrode replacement, combustion analysis, heat exchanger cleaning, and flue inspection. When a homeowner is ready to evaluate converting from oil to gas, Universe handles the full conversion scope as well.

Cooling is the other half of the year on Long Island, and boiler households still need reliable air conditioning through Nassau and Suffolk County summers. Universe handles central AC installation, repair, maintenance, and replacement across the region, along with ductless mini splits for homes without existing ductwork. One company covers both the heat that carries you through winter and the cooling that carries you through summer.

A boiler is one part of a whole HVAC system. Universe handles heating and cooling across Nassau and Suffolk County, including central AC, furnaces, heat pumps, ductless mini splits, and the controls that tie the system together. When it is time to evaluate the rest of the home’s comfort equipment, one company covers the full scope.

Universe Home Services HVAC Technician near open van doors

(516) 473-0202



Book Your Boiler Service Before Heating Season

The best time to service your boiler is before the heating season begins. Contact Universe Home Services to schedule your boiler maintenance visit across Nassau and Suffolk County.

Our technicians inspect, clean, and tune your system so it is ready when Long Island’s winter arrives. Contact us online or call to get on the schedule.

Universe Home Services Technician near open van doors


Boiler Maintenance Questions

How often should a boiler be serviced?

Once a year, before the heating season begins. For oil boilers, annual service includes a full burner tune-up: nozzle and electrode inspection, combustion analysis, and heat exchanger cleaning. Gas boilers require less intensive burner service but still benefit from annual inspection of the heat exchanger, controls, expansion tank, and circulator. Scheduling in late summer or early fall puts the system through service before it is needed.

What does a boiler tune-up actually include?

For an oil boiler, a tune-up covers the burner assembly, nozzle, electrodes, combustion analysis, heat exchanger inspection, flue condition, and controls. For a gas boiler, it covers the burner, heat exchanger, venting, expansion tank, pressure relief valve, circulator, and zone controls. Universe technicians also inspect the distribution system for air pockets, corroded zones, and balance issues that affect how well the boiler heats the home.

My boiler seems to be working fine. Do I still need annual service?

Yes. The components most likely to cause a mid-winter failure: the pressure relief valve, the expansion tank, the igniter. None of them give visible warning before they fail. A boiler that appears to be working normally can have developing issues that only surface under sustained load during cold weather. Annual maintenance is what catches those before they become an emergency.

How does Long Island’s hard water affect my boiler?

Nassau County water has high mineral content. Over time, scale accumulates inside the boiler and in the distribution piping, reducing heat transfer efficiency and increasing wear on the system. A maintenance visit includes checking for scale-related issues and evaluating whether water treatment makes sense for your system. Homeowners on particularly hard water may benefit from a water treatment solution that protects the boiler and extends its life.

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