4.8
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Your Furnace Runs Every Night of a Long Island Winter. Universe Makes Sure It Is Ready.

Annual maintenance is what separates a furnace you rely on from one you worry about.

Universe Home Services services gas and oil furnaces across Nassau and Suffolk County, with technicians who know what Long Island’s heating season actually puts these systems through and what it takes to keep them ready for it. Contact us online to schedule your furnace maintenance visit today.

(516) 473-0202


A Local Partner to Maintain Your Furnace

Your time matters as much as your furnace running right. Universe shows up when we say we will, works around your schedule, and treats your home with respect.

Nassau and Suffolk County homeowners have relied on Universe Home Services for furnace service for decades, and the homeowners who stay with us do so because the visits are easy.

Appointments fit around your day, technicians arrive on time, and the work inside your home is done cleanly and carefully. You get a furnace that is ready for the heating season and a maintenance partner who makes the annual rhythm simple to keep.

Technician repairing a gas furnace

(516) 473-0202


Skilled employees

Trucks on the Road

Years in Business

Emergency Service


What a Serviced Furnace Gives You

A furnace that has been serviced before the heating season performs differently than one that has not. The gap between them widens every year maintenance is skipped.

A furnace operating on a dirty burner, a partially blocked heat exchanger, or a blower motor running below spec cannot heat your home the way it was designed to. The thermostat takes longer to satisfy. Certain rooms lag behind others. Annual maintenance keeps combustion clean, airflow unrestricted, and every component performing at the level your home’s heating load requires.

Long Island homeowners pay some of the highest heating costs in the country between PSEG rates and fuel oil prices. A furnace burning fuel inefficiently, from a poorly calibrated burner, a heat exchanger with buildup, or a blower not moving air correctly, is adding to that cost every time it cycles. Maintenance keeps the system at rated efficiency so your fuel is doing the work it is supposed to do.

A cracked heat exchanger. An igniter showing early wear. A blower belt that is fraying. None of these cause a breakdown the day they are discovered. All of them eventually do. A maintenance visit is the structured opportunity for a technician to look specifically at what is developing rather than waiting for what has already failed. On Long Island, where a furnace failure at midnight in January is a genuine emergency, finding those things in September is worth something.

Every year of consistent maintenance reduces cumulative wear on the components that carry the most load through a heating season: the heat exchanger, the burner assembly, the blower motor. A furnace that has been cleaned, tuned, and inspected annually arrives at year 18 or 20 in a different condition than one that has been left to run without attention. Replacement is a conversation that comes later, and on your terms.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.8
Based on 7602 reviews
JG
21 hours ago
June 2026 The pump from my washing machine decided to stop working a few nights ago. What a disaster! Thank goodness I had the gizmo on the floor that starts beeping when water hits it because it could have been a lot worse. The water in the pump kept pouring out until it was empty. I called Universe and Melanie F. came over. She evaluated the situation and made plans to come back the following day to install a new pump. I was so impressed with Melanie. Her recommendations on the new pump worked out great. I was so pleased with Melanie's professionalism and knowledge that she's coming back soon to install the automatic water main shut off when it senses a leak. Once again I highly recommend Universe and Melanie F.! April 2026 Nick S. came to do the yearly service for my air conditioning. Nick is great and very up front which I like. After almost 17 years I need a new system. Ugh! He brought me outside and showed me all the reasons why it should be replaced. I could wait & see but didn’t want to risk it so Saturday I’ll be getting a new system. It just needs to be done. I was very happy Nick explained everything to me. He’s very knowledgeable & friendly. I would also like to acknowledge the following employees from Universe who all had some part of the installation of my furnace, compressor and humidifier. Everyone who came to my house were so friendly and respectful. The guys all explained what was being done. They also installed an Air Scrubber which purifies my system of spores, etc. The employees are Tommy Ercolano, Matt Drury, Carlos Caceros, Justin Quan-Soon, Jamell Smith and Karl Rindfleisch. All were fabulous. And I can't forget Chester Sacknievich who came back to fix an issue I was having and figured out the solution. Chester is great. I highly recommend Universe. Their employees go above and beyond!!
Vanessa Arnone
6 days ago
Our water heater unexpectedly had to be replaced after National Grid identified it as a safety concern before reconnecting our gas service. Needless to say, it was a very stressful and completely unexpected situation. From my very first phone call, everyone at Universe Home Services was kind, patient, and incredibly helpful. They understood the urgency and had a technician at my home much sooner than I expected. Jeff Madonia was outstanding. He took the time to thoroughly inspect everything, patiently answered every question I had, and never made me feel rushed or like I was inconveniencing him. He explained my options clearly, walked me through the estimates on his tablet, and made sure I understood everything before moving forward. Initially, it looked like the installation might have to wait until the following morning. I asked if there was any chance it could be done the same day, and Jeff immediately went to see what he could do. A few minutes later, he came back and told me they were going to make it happen that day. That level of customer service meant so much during a stressful situation. I also appreciated how respectful Jeff was while working in my home. Even when I had left the door unlocked while he was moving equipment in and out, he always knocked before coming back inside. That level of professionalism and respect stood out to me and made a stressful situation much easier. The entire experience, from the first phone call through the completed installation, was professional, efficient, and reassuring. Jeff’s kindness, knowledge, and willingness to go the extra mile made all the difference. Thank you, Jeff, and thank you to the Universe Home Services team.
I had an issue with my HVAC, and Universal was able to send someone out very quickly. Both Chester and Dawid were knowledgeable, professional, efficient, and very respectful of my home. They diagnosed and fixed the problem promptly, and the entire experience was smooth from start to finish. Thank you for your excellent service! I will definitely use Universal again in the future and highly recommend them.
Anthony Hartmann
2 weeks ago
Excellent work by Patrick for a light fixture and hard wiring for a video doorbell with chime.
Michael Greer
2 weeks ago
Universe responded promptly to my service call and the technician was very friendly and knowledgeable. We had to wait a few days for the parts, but when it arrived (new sewage ejector pump) the repair was done quickly and everything worked perfectly.
howard valan
2 weeks ago
Tim the technician answered all my questions to my satisfaction and explained all my options thoroughly. His work solved my issue and he offered some insight into a replacement unit if I opted to do so.
Desiree Boucher
2 weeks ago
I had a great experience with Universe Home Services. I initially left a message on their call system and received a call back with 30 minutes from Laurie. I explained my concern and issue we were having with out Central AC and she was able to schedule service for that same day. I received text messages with arrival time, when the technician was on their way, and when they arrived at my home. Our service technician was Bob Grillo. He was super personable, kind and very thorough in his process. He answered all my questions and explained exactly what he was doing as he was troubleshooting. I had a great experience overall with the customer service as well as the job completion and would highly recommend Universe Home Services and Bob as the technician.
Danny Sutton from Sales was amazing.without him this was not possible.so kind and empathetic towards customer amazing service From the crew who was here to install the air condition Sean Dany Jared Brian Very professional polite and extremely knowledgeable They worked so efficiently and kept the area clean that you could not feel that a big job was completed after they left. I will recommend Universe home service to everyone out there who is looking for a reliable company.
shelly bansal
3 weeks ago
VERY. GOOD. SERVICES. THEY. COVER. GAURENTEE. FOR 5. YEARS. GOOD PRICE. TONY. ASHMAVI. THE. BEST. WHO. EXPLAINED. ALL DETAILS. AND. GIVE. GOOD PRICE. TOP. RATED. THANKS TO. UNIVERSAL. HOME. SERVICES
Scott Faucheux
3 weeks ago
We have used Universe now for a few installations, Anthony recently swapped out a toilet for us, cleared out a major blockage on a sewer line and Vidal just installed a whole house filtration system for us after our previous system failed on our 1929 house. They have been very polite, knowledgeable and efficient and have always given us fair and tiered options with pricing. We would highly recommend their services.
Justin Bridges
3 weeks ago
Micheal was a great technician, perfectly on time, fast detailed diagnosis, made quick work of the repair work, communicated everything. Universal did all my installations of all new HVAC and I always trust them with the maintenance.
Mario Sesso
4 weeks ago
Ac repair
Donna Cincotta
4 weeks ago
Kevin came to my home, evacuated the problem and detailed the situation to me. He ordered the new ductless equipment and installed it the next day. Kevin was professional, honest, neat and made sure the air conditioning was working properly. For my air conditioning units and repairs, I wouldn’t go anyplace else.
The team was incredibly professional, friendly and worked efficiently to get the job done. I had a great experience
fran lucher
1 month ago
Came within reasonable time, fixed problem & checked for other possible issues.
William Funcheon
1 month ago
Dean, your technician is definitely an asset to your company. He was so thorough and kind. I can’t say enough about him!
Laurence Andrews
1 month ago
I am pleased with the the service man that came out. He is very knowledgeable and professional
Donna Mckeon
1 month ago
Our service person Sean was great. Very knowledgeable and friendly. Answered all questions we had. Definitely will use Universe home services again
I can’t say enough good things about Universe home services and repairs. We have been a customer of Universe for years. Recently we had a plumbing issue and they were wonderful. Jeff the plumber was very professional and a pleasure to work with. We have also worked with Marc on a gas conversion. He was very knowledgeable, professional, and helpful. Great company with quality people! Update June 2026 – another 5 stars for Universe Home Services and electrician Dawid Boroch. Dawid was very professional, knowledgeable, and his work is exceptional. He explained the scope of the job and answered our questions before beginning his work and walked us through the results afterwards. Dawid was an absolute pleasure to work with and we highly recommend him!
Marie kopczynski
1 month ago
Very professional Answer all my questions Did a great job
Ronald Goebel
1 month ago
Chester was the best service tech we ever had. A real credit to Universe-friendly, knowledgeable and thorough in his work
Elise Puig
1 month ago
From sales to installation I was confident that this was the company that would deliver!
Wendy Fiedler
1 month ago
Very informative introduction, stated work was performed very efficiently and timely, cleaned up after work was completed, workmen were all very polite and respectful. Great job!
Brenda Cohen
1 month ago
Ac repair
Quick response time, fixed issues within an hour and good communication from beginning to end. Will use Universe again and would recommend


How the Home Comfort Club Handles Furnace Maintenance

Home Comfort Club members get their furnace maintenance scheduled before the season begins, automatically.

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

The membership includes two pre-scheduled maintenance visits per year, one in fall before heating season and one in spring before cooling season, along with priority scheduling, reduced rates on service work, a credit toward a new system installation, and no dispatch fee when a technician performs work.

For homes with furnaces, that fall appointment is what puts your system through a full service before the first cold night of November. Contact us to learn what the membership covers.

Green Universe Van parked on the side of residential street


(516) 473-0202

Why Universe Is the Call for Furnace Maintenance on Long Island

Furnace maintenance on Long Island means knowing gas systems, oil systems, and the specific demands these homes put on heating equipment.

Universe has been servicing furnaces across Nassau and Suffolk County since 1954, and the technicians who handle furnace service understand what Long Island’s heating season demands from the equipment.

Gas furnaces, oil furnaces, oil-to-gas conversions: Universe technicians have maintained all of it in Nassau and Suffolk County homes. The specific expertise required for oil burner service, combustion analysis, nozzle and electrode inspection, heat exchanger cleaning, is built into what a Universe maintenance visit includes for oil furnace households.

A significant share of Nassau County homes still heat with oil. A proper oil burner tune-up covers combustion analysis, nozzle and electrodes, heat exchanger condition, and flue inspection. Universe performs complete oil burner service as part of the annual maintenance visit.

Universe is a BBB Accredited Business with more than 70 years of service across Nassau and Suffolk County. Furnace maintenance is not a seasonal add-on. It is work Universe has been doing in the same communities since 1954, long enough that some of those furnaces have been in the same homes for two generations of the same family.

Your technician tells you what the furnace actually needs. If the heat exchanger is in good shape, you hear that. If the igniter has another season of reliable life, it stays in. The assessment is based on what the technician finds, not on a parts quota.

Furnace maintenance occasionally surfaces issues that extend beyond the heating system itself: an electrical connection at the thermostat, a filter housing with a ductwork concern, or a venting issue tied to the structure. Universe handles electrical, plumbing, and HVAC under one roof. One call handles what comes up without coordinating a second contractor.

Other Furnace Services Universe Provides

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

When a furnace stops performing or fails entirely, Universe diagnoses the cause and repairs it. Ignition failures, heat exchanger issues, blower problems, control board faults, and oil burner malfunctions are all within scope.

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

A new furnace installation covers more than swapping out the unit. Proper load calculation, equipment selection for your home’s heating needs, venting, gas or oil line connections, and startup testing all determine how well the system performs and how long it lasts. Universe handles new furnace installations across Nassau and Suffolk County.

When a furnace has reached the end of its serviceable life or repair costs no longer make sense against replacement value, Universe manages the full replacement. Removal of the old system, installation to code, and complete startup testing. 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 furnace can be tuned and maintained correctly and still underperform if the duct system is leaking, blocked, or unbalanced. Universe inspects, seals, and services ductwork across Long Island as part of a complete approach to how your heating system actually delivers air through the home.

A furnace is one part of a whole HVAC system. Universe handles heating and cooling across Nassau and Suffolk County, including central AC, boilers, 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



Schedule Furnace Service Before the Season Starts

Late summer is the right time. Before the season starts, before the backlog builds. Contact Universe Home Services to schedule your furnace maintenance visit across Nassau and Suffolk County.

Our technicians go through the full system before the season starts so your furnace is ready when the temperature drops. Contact us online or call to get on the schedule.

Universe Home Services Technician near open van doors


Furnace Maintenance: Common Questions

How often should a furnace be serviced?

Once a year, before the heating season. For oil furnaces, that means a complete burner tune-up: combustion analysis, nozzle and electrode inspection, heat exchanger cleaning, and flue evaluation. Gas furnaces require less intensive burner service but still benefit from annual inspection of the heat exchanger, igniter, blower, controls, and venting. Scheduling in late summer or early fall means the system goes through service before it is needed, not after the first cold snap reveals a problem.

What does furnace maintenance actually cover?

For an oil furnace, a maintenance visit includes the burner assembly, combustion analysis, nozzle and electrodes, heat exchanger inspection, filter service, blower condition, controls, and flue. For a gas furnace, it covers the burner, heat exchanger, igniter, flame sensor, blower motor, filter, controls, and venting. Universe technicians also evaluate the duct system for obvious airflow issues that affect how well the furnace heats the home.

My furnace seems to be running fine. Do I still need annual service?

Yes. The components most likely to cause a mid-season failure: the heat exchanger, the igniter, the flame sensor. They do not always give visible warning before they fail. A heat exchanger crack is a safety issue that a furnace running normally can carry for months before it causes a symptom. Annual maintenance is what finds those things before they become a breakdown or a carbon monoxide concern.

How does Long Island’s oil heating history affect furnace maintenance?

A significant portion of Nassau County homes were built with oil heat during the postwar era. Many have been converted to gas at some point, and some are still running on oil. Oil furnaces require more involved annual service than gas: the burner, nozzle, and electrodes need inspection and often replacement, and combustion efficiency needs to be measured and adjusted. If you are on oil and considering conversion, furnace replacement time is the practical moment to make that change, and Universe handles the full scope of the work.

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