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Universe HVAC technician installation

Get HVAC Replacement Done Right. Universe Has Done It Since 1954.

When the system goes, every hour without heat or cooling costs you.

Your heating and cooling system gets installed by a Long Island, Rockland County & Bergen County team that sizes it correctly for your home, backed by free in-home estimates and honest recommendations. You get no surprises from the first call through the final test.

Contact us online or call for a free estimate on HVAC replacement today.

(516) 473-0202


Long Island, Rockland County & Bergen County’s HVAC Replacement Team

Long Island, Rockland County & Bergen County homeowners turn to Universe when their heating and cooling system needs replacement.

Long Island HVAC is a different job than many other locations. You have oil heat in half the houses. Ductwork installed in 1962 that nobody has touched since. Electrical panels that were not designed for modern equipment loads. That’s just a couple of the reasons you need a local expert.

Universe has been working inside these homes since 1954. The same communities, some of the same families. That is not a marketing claim. It is just what 70 years of service looks like. As a BBB Accredited Business, Energy Star partner, PHCC member, and National Grid Value Plus Installer, we are also held to external installation standards and connected to rebate programs that put money back in your pocket on qualifying equipment.

Years in Business

Satisfaction Guaranteed

Emergency Service

Homes Serviced Annually


(516) 473-0202

Fast HVAC Replacement on Long Island, Rockland County & Bergen County

An HVAC failure on Long Island is not a minor inconvenience.

January lows on Long Island sit in the mid-20s. August runs into the upper 80s and 90s, and the humidity makes it worse. When your HVAC system goes down, neither season gives you much flexibility.

Universe schedules same-day replacement across Long Island, Rockland County & Bergen County and keeps 24/7 emergency coverage running year-round. Your technician shows up stocked for the job. Not with a quote and a follow-up appointment.

(516) 473-0202

Our HVAC Replacement Process

Replacing your HVAC system is a major decision, and Universe makes sure you have the information you need at every stage. Here is what replacement looks like when Universe handles it.

A technician comes to your home and looks at what you actually have: your current equipment, fuel source, ductwork condition, and how your home is laid out. Long Island homes built in the 1950s and 1960s often have ductwork that was never designed for modern HVAC output, and that affects what system goes in. You receive upfront pricing with a clear explanation of what goes in, what it costs, and why it fits your home. Same-day and emergency scheduling are available for situations that cannot wait.

Licensed HVAC technicians handle the full replacement from start to finish, covering gas or oil connections, electrical, ductwork, and controls to manufacturer specifications and local codes. Gas or oil connections, ductwork, and electrical are all handled to manufacturer specs, and the work area is restored before the crew leaves.

Once installed, your system runs through a complete heating and cooling cycle to confirm reliable operation. Before we close the job, your system runs a full heating and cooling cycle and your technician confirms output matches what your home’s load requires.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.8
Based on 7831 reviews
Arty Dietz
8 hours ago
Great service. Thanks
Lori Muscarella
11 hours ago
Will was very professional and did a great job!
william torrales
23 hours ago
Great work
Leland Bailey
1 day ago
All the technicians that have been to our home to service and preform warranty work on our mini-split 5 unit system have been great with all the nessary skills to maintain our system.
Theresa Nardo
1 day ago
Easy appointment scheduled for same day! Nicholas called ahead of time for arrival estimate. Very clear and concise information. A real pleasure!
Paul Viola
1 day ago
Larry was great. Serviced my unit quickly and efficiently.
Michael Vento
1 day ago
John was very helpful in explaining a few things I was asking about
Garry Thorne
2 days ago
Peter McAdam was great. Very knowledgeable, polite, friendly and respectful. We highly recommend Universe Home Services, we’ve been a customer for almost 30 years.
Frank Philpitt
2 days ago
Universe installed a Burnham X=2 gas fired, hydronic heating boiler in my home 3 weeks ago,( Oct 1, 26). Several days later I had several question, regarding the insulation, so Universe sent a technician , Dean Renshaw, to my home. He satisfactorily answered my questions and adjusted the boiler pressure and changed the configuration of the expansion tank piping to make it easier to read the boiler gauge.Mr Renshaw proved to be a very knowledgeable and personable gentleman. I highly recommend this firm and definitely plan on using them in the future for other work. Frank Philpitt Oct. 21, 2026..
Marcia Chertoff
2 days ago
Jason Walters is was a gentleman from the moment he walked into my home. He made me feel confident that my hot water would be restored. He resolved my problem. He was knowledgeable and took care of the problem quickly.
Vincent Baudone
2 days ago
Melanie provided outstanding service. She is knowledgeable and friendly!
John Lamonte
2 days ago
I have had Universe service my HVAC system for years and have always been very pleased with the technicians (Steve U. and Rich H.) who came to my home. This year, for the first time, Will Earley came to service my unit for the winter heating season. Will was fantastic. Not only did he do an excellent job but he took the time to explain the reasons things were being done as well as offer recommendations for possible future needs. I will certainly request Will for my next service need.
Solved the problem, quickly, explained everything and price was reasonable. I would hire again.
Janet
2 days ago
It was a pleasure having Nick come to my house to service my gas heater and water heater. He explained everything very thoroughly and answered all of my questions. He was very patient.
Lauren C.
2 days ago
Excellent service! Thank you!
Matthew Endlich
2 days ago
Professional and on time.
Michael Quigley
3 days ago
We are satisfied the price we paid for the options we chose was quite reasonable and fair to both parties. Because it is an older steam system there are trade offs in the benefits and limitations of each possible integration of the newer and older technologies. The solution we chose to go with were primarily due to the strengths of the technician Dean R. He was focused had a depth of knowledge about steam heat that was unbiased, honest and took the time to explain his concerns about the different issues as they arose .It was due to his true concerns about the safety of the solutions that we continued to stay with Universe and truly believe Dean has our best interest at heart and is a major asset to Universe in helping retain and acquire steam system customers.
I had a faucet that was leaking badly. I had had abad experience with my last plumber so I decided to try Universe . And I am so glad I did!! When I called about the leak, they had someone here that afternoon. Karl was great! They were able to fix my problem within 2 days. It would have been sooner, but I had to work. Vidal came to do the actual repair. Amazing! When he realized that this was the first time using universe, he took the time to explain about the company, etc. Vidal was fabulous! What customer service!! And I would know, since I am the brand manager for a high end skincare line and retail store. I am so happy I found this company! Bravo all!!
MARY VOSS
3 days ago
CHRIS was extremely knowledgeable and polite. He did a great job. 👍
Stephen Sacco
3 days ago
Very good. JP is terrific – an asset to Universe Bob also did a great djob with Sean was excellent at problem solving But why did he put this over surge ?
The Universe Home Service has been working on this project replacing all water pipes with an excelente and very clean way. The technician J Henry has been very polite and did excelente job. I really recommend his working way.
Boiler installation
Mike S
3 days ago
Nick came to fix an issue with my oil burner and wound up resolving a few other issues I wasn't aware of, but glad he did, because I wouldn't have noticed them until he left and then would have been in a worse position. Great tech and awesome company!
Jamie Adams
4 days ago
Knowledgeable, caring, detailed service The best!!
Daniel Kopp
4 days ago
Quick, efficient, and fair prices. Decided I wanted to look into a gas conversion and they had a representative at my house within an hour. Highly recommend.

Universe Home Services service vehicle for local home repairs

(516) 473-0202

What Changes When You Replace Your HVAC System

An aging HVAC system costs you every month it keeps running.

Long Island homeowners pay some of the highest energy costs in the country between PSEG electricity rates and fuel oil prices. A system that has aged past its efficiency peak is making an already expensive situation worse every month. A correctly sized replacement running at rated efficiency closes that gap from the first billing cycle.

If you have a bedroom that never gets cool in August or a back room that stays cold all winter, that is a system performance problem, not a structural fact of life. A replacement assessed against your home’s actual load and ductwork fixes uneven distribution. An HVAC system installed correctly for your home’s load reaches the thermostat setting and holds it, in every room.

Most HVAC failures happen at the worst possible time: the first cold snap of November, the hottest week of July. A new system with a manufacturer warranty behind it removes that uncertainty. You stop managing something that is running on borrowed time.

A significant share of Long Island, Rockland County & Bergen County homes still run on oil heat. Replacement is when most homeowners make the switch to gas or a heat pump. You eliminate the delivery calendar, the tank on your property, and the exposure to oil price volatility in a single job. Universe handles the full conversion as part of the replacement.

Why Long Island, Rockland County & Bergen County Homeowners Choose Universe for HVAC Replacement

The company you choose for your HVAC replacement determines whether the job is done right and whether you have someone to call afterward.

Universe has been replacing HVAC systems in Long Island, Rockland County & Bergen County since before most of the homes we work in were built. That longevity is earned.

Gas furnaces, oil furnaces, central AC, heat pumps, oil-to-gas conversions: your technician has done all of it in Long Island, Rockland County & Bergen County homes. Long Island’s coastal salt air accelerates corrosion on outdoor equipment, and our technicians account for that during installation. Your technician has done this in Nassau and Suffolk County homes enough times that nothing about the job is unfamiliar.

Universe has been replacing HVAC systems in Levittown, Hicksville, Massapequa, and across Long Island, Rockland County & Bergen County since 1954. Decades of HVAC work in Long Island, Rockland County & Bergen County gives your technician a reference point for what these homes typically present and what solutions actually hold up.

No charge for the estimate. It covers your home’s actual heating and cooling load, your existing ductwork and fuel source, and all available options. You have the full picture on cost and system fit before a single appointment is booked.

HVAC replacements frequently surface related issues: an undersized electrical panel that needs upgrading before the new system can run, or plumbing work tied to the mechanical room. Universe covers all three trades. One call handles it.

HVAC systems fail at the worst times. Universe schedules same-day HVAC replacements for situations that cannot wait and maintains 24/7 emergency coverage throughout Long Island, Rockland County & Bergen County. Levittown, Garden City, Smithtown, Lindenhurst: the same crew availability regardless of where you are on the island.

National Grid rebates apply to many HVAC installations, especially oil-to-gas conversions and high-efficiency equipment upgrades. Universe determines what National Grid rebates and energy incentives apply to your specific installation and manages the submission so you do not have to. You do not leave money on the table.

When your HVAC system is in and running, Universe stays your point of contact for service, maintenance, and any follow-up questions. Questions, service needs, maintenance scheduling: the same company that installed your system is the one you call.


Keep Your New System Running with the Home Comfort Club

A new system is worth maintaining properly from the start.

Most HVAC failures that become emergency calls started as something a fall or spring tune-up would have caught: a heat exchanger showing early stress, a capacitor near the end of its service life, a filter so restricted the system is working against itself.

The Home Comfort Club schedules those visits automatically, one before heating season and one before cooling season, before small issues become failures.

Members also get priority scheduling, a discount on repair work, a credit toward a new system installation, and no dispatch fee when work is performed. Contact us to learn what the membership covers.

Green Universe Van parked on the side of residential street


(516) 473-0202

Is It Time to Replace Your HVAC System?

Most systems give you a window before they fail. These are the signals to take seriously.

HVAC systems typically last 15 to 20 years, and Long Island’s coastal salt air accelerates wear on outdoor components. Many Long Island homes built during the postwar era are still running equipment that is well past that window. A system at that age is not just losing efficiency. It is carrying real failure risk through every heating and cooling season that passes.

When the cumulative cost of keeping an aging system running approaches what a replacement costs, the financial calculation has already shifted. Homeowners in Merrick, Seaford, and Wantagh who schedule HVAC service every year are often past that threshold without realizing it.

When your bills keep rising with no change in how you use the system, your HVAC equipment is losing efficiency. On Long Island, where PSEG rates and fuel oil prices are among the highest in the country, that efficiency gap costs real money every month.

An HVAC system that runs constantly without bringing your home to the thermostat setting in August or January has stopped meeting your home’s demands. In Long Island homes that have had additions or reconfigured layouts, an undersized or degraded system makes this problem worse with every passing season.


Other Services You May Need


Schedule Your HVAC Replacement

A free estimate and an honest conversation are the right place to start. Contact Universe Home Services to schedule your free HVAC replacement consultation.

We evaluate your home’s heating and cooling needs, walk you through every system option, and deliver clear pricing before the job starts.

Contact us online or call to get on the schedule.

Universe Home Services Technician near open van doors


Frequently Asked Questions

Do I need to replace both the furnace and the AC at the same time?

Not always, but it is worth a serious conversation. If one system is significantly older or in worse condition than the other, replacing just the failing unit is reasonable. But when both are approaching 15 years, replacing together usually makes more financial sense: one installation, one set of permits, one disruption to your home. Your technician will give you an honest read on where each system stands before recommending anything.

What size HVAC system does my Long Island home need?

Sizing is calculated, not guessed. A technician performs a load calculation based on your home’s square footage, insulation quality, window placement, ceiling height, and ductwork condition. Many Long Island homes built in the postwar era have had additions or layout changes that affect what the current system can actually deliver. Installing an oversized system causes short-cycling, uneven temperatures, and premature wear. Installing an undersized one means your home never reaches the thermostat setting.

How long does an HVAC replacement take?

Most replacements are completed in a single day. Oil-to-gas conversions or installations that require electrical panel work may take longer depending on what is involved. Universe plans each job in advance so your home is not left without heat or cooling overnight when it can be avoided.

What HVAC rebates are available to Long Island homeowners?

National Grid offers rebates on qualifying high-efficiency heating and cooling equipment, and NYSERDA incentives may apply depending on the system tier and your home’s current setup. Oil-to-gas conversions often qualify for additional programs. Universe identifies what applies to your specific installation and handles the paperwork so you are not leaving money on the table.

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