Worry-Free HVAC Service in Uniondale

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What We Do Best

Heating

Heating
Cooling

Cooling
Water Heater

Water Heaters
Plumbing

Plumbing
IAQ

Indoor Air Quality
Water Treatment

Water Treatment
Heat pumps

Heat Pumps
Ductwork

Ductwork and Insulation
Solar Power

Alternative Energy

Save up to $2,550 on a new HVAC system!

Buy a qualifying air conditioner, and we’ll give you a high efficiency furnace FREE. Get your free, no-obligation estimate today. 

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We’ve Changed Everything by Covering Everything

Take advantage of a new, high-efficiency heating and air conditioning unit without any upfront expenses. You’ll also receive free maintenance, repairs and parts. All for a single monthly payment that’s smaller than your usual cell phone bill.

  • HVAC Leasing Program

    HVAC Leasing Program

    Older HVAC equipment can be costly, both because of constant repairs and higher energy bills. Skip the headache and try out high-efficiency comfort with the Advantage Program™. A monthly subscription comes with benefits like a new HVAC system, plus repairs** and maintenance. Additionally, priority service means you’re first in line when you need our support. Even when disaster strikes in the middle of a weekend or holiday, Stan Gelber & Sons in Uniondale can help!

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  • Water Heater Leasing Program

    Water Heater Leasing Program

    Most homeowners aren’t thinking about their home’s water heater often, until it stops working. Instead of paying out of pocket for a replacement. You won’t pay a penny for installation, repairs, parts, or labor charges!** Signing up also means enjoying the flexibility to try a different water heater style or size as your family changes.

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  • Water Treatment Leasing Program

    Water Treatment Leasing Program

    While hard water is already a problem because of its bad taste, it can also aggravate skin conditions, discolor your clothes and leave mineral buildup in your dishwasher. With a subscription to our Advantage Program™, you can count on clean and healthy water without high, up-front costs. Enrolling in the Advantage Program means a new, high-efficiency water treatment system, in addition to softener salt and any needed repairs in the future.

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Total home comfort at your fingertips

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HVAC

Stan Gelber & Sons and our high-efficiency HVAC systems can deliver precise home comfort, lower monthly bills and bolster your home’s indoor air quality through proper ventilation.


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Your Personal Experts

Stan Gelber & Sons started in 1943 with the goal of delivering some of the best heating, cooling and plumbing practices around. Ever since then, we’ve been so confident in our work that we backed it with a 100% Satisfaction Guarantee* for a year.

  • 100% Satisfaction Guaranteed*
  • Fast Response
  • Licensed, Bonded, & Insured
  • ACE Certified Technicians
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What Our Customers Are Saying

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review site
Jan 17, 2025

Beware - bait and switch The worst customer service Had a new install and they refuse to update the outlet outside for the condenser up to code. Micheal in the Uniondale office is very rude and does not listen and keeps calling you even though you have as...

Heme
review site
Jan 15, 2025

I will preface this by saying I do not like to leave negative reviews. Everyone I've dealt with at Gelber has been nice except for one woman who answers the phones. We had them install a brand new HVAC/heat pump system after we did a mold remediation in...

Tim Goll
review site
Jan 11, 2025

My father is 88 and returned home to no heat in his home The house was at 34 degrees and freezing. He paid for their Advantage Program. We called around 2pm. Gelber said they could have someone to us after 1 the next day! What is the point of an emer...

jennifer galligan
review site
Jan 10, 2025

I recently had an issue with my gas furnace, and I couldn't be more pleased with the experience. From the moment I spoke to Mike who was professional and accommodating, I knew we would have our issue solved. Carlos, our technician, arrived on time, was ...

Robert Wall
review site
Jan 09, 2025

I will preface this by saying I do not like to leave negative reviews. Everyone I've dealt with at Gelber has been nice except for one woman who answers the phones. We had them install a brand new HVAC/heat pump system after we did a mold remediation in...

Tim Goll

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THREE LIMITED-TIME WAYS TO SAVE WITH AN ADVANTAGE PROGRAM BUNDLE

  • Bundle two HVAC systems through the Advantage Program and save $20 a month!
  • Bundle an HVAC and a Water Heater or Water Treatment System through the Advantage Program and save $15 a month!
  • Bundle a Water Heater a Water Treatment System or Indoor Air Quality through the Advantage Program and save $10 a month!

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10% OFF FOR ACTIVE DUTY OR VETERANS

THANK YOU FOR YOUR SERVICE!

10% OFF Any Product or Service*
For all Active-Duty, Retired, and Veteran Military Personnel 

  • It’s our way of thanking you for your courage, dedication, and sacrifice to protect our freedom
  • All worked performed by licensed experts, and backed by a written, 100% Satisfaction Guarantee

Service Experts is proud to be affiliated with Military Makeover and Hiring Our Heroes

Excludes memberships and 1” disposable filters.
Offer not valid on prior purchases and may not be combined with other offers.

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HVAC Service and Furnace Repair in Uniondale

Your home should feel like a comfortable escape as temperatures get colder. Don’t let a malfunctioning heating system leave you chilled this winter. Count on Stan Gelber & Sons to keep your HVAC system in great shape this winter.

Talk to your local HVAC Experts when your gas furnace needs to be serviced in Uniondale.

At Stan Gelber & Sons, repairing, maintaining and replacing HVAC systems is something we do regularly. We’ve been providing quality heating and cooling services for years, so we’ll have your home back to feeling comfortable quickly.

Our technicians are among the most outstanding in the industry. They have been through rigorous training to receive HVAC’s gold standard—ACE certification. Whatever you use to heat or cool your home, our team will get the repairs done right the first time—our technicians can fix any type of furnace.

Stan Gelber & Sons is committed to exceptional furnace repair, maintenance and installation. We trust in the value of our service so much we guarantee it in writing for a full year.

We perform a long list of HVAC services, from HVAC installation to repair and maintenance. This includes reputable heat pump service, such as heat pump installation, repair and maintenance visits. Plus, if you are seeking a heating and cooling Expert for your home renovation, remodel or building project—our staff is the go-to HVAC contractor in Uniondale.

Our 100% Satisfaction Guarantee* establishes our dedication to offering the best furnace service in the industry. No matter if you need heating or AC repair, maintenance or installation, rely on Stan Gelber & Sons for excellent work every time.

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Contact the Experts for Plumbing Service in Uniondale

Stan Gelber & Sons has proudly provided the Uniondale community with excellent HVAC work for many years, but did you hear we also are the place in Uniondale to find a great plumber?

We have some of the best certified plumbers in the community and are prepared to resolve even the toughest plumbing problems. In addition to plumbing repairs, we also provide plumbing fixture installations and a full slate of other plumbing services for your household or business. Plus, we’re also a great place to get a reputable, local emergency plumber, because we realize problems don’t only happen from 8 a.m. to 5 p.m..

When it comes to plumbing, our Experts are licensed and insured to take care of your plumbing needs. We are so sure you’ll be satisfied, we stand by our repairs with our one-year 100% Satisfaction Guarantee.

It’s true, Stan Gelber & Sons leads the way when it comes to plumbing repairs and installations. For reliable plumbing service in Uniondale, call us at 631-537-3066 today!

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Unclogging your most common plumbing problems with Service Experts.

Free Plumbing eBook

Tired of your leaky toilet or clogged drains? What’s really going on with your home’s pipes? Download our FREE Plumbing eBook. Click to download!

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We can make you feel at ease with your choices under the EPA’s new regulations for air conditioning refrigerants.

It can be difficult to decide the right course of action to take with a significant change like the EPA’s mandate eliminating the refrigerant your air conditioning system probably uses to cool your home. Learn how you can adjust your home comfort system to keep up with new regulations.

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We’re always looking for new talent, and that could be you! Learn more about how to join a team made of the best.

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**For HVAC Service Memberships, certain warranty exclusions and limitations apply. See your signed agreement for full terms and conditions. For the Advantage Program™, please see your signed Advantage Program Agreement for full details and exclusions. Lease with approved credit; visit ServiceExperts.com for details.

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© 2024 Service Experts, Service Experts Heating & Air Conditioning, and the Service Experts logo and design are registered trademarks of Service Experts LLC and used under license by SE Canada Inc. All Rights Reserved. *Not applicable to the Advantage Program. See your signed Advantage Program Agreement for full details and exclusions. 100% Satisfaction Guarantee is subject to certain restrictions and limitations as set forth in the applicable Terms and Conditions.

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