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Mini-Splits
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Furnaces
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Air Conditioners
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Packaged HVAC Systems
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Solar
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Mini-Splits
Buying or Repairing a Mini-Split
Mini-split systems offer reliable comfort in a compact design. Get the Expert service you deserve.
Lease a Mini-Split with Our Advantage Program™
Cut to the front of the line with our 24/7/365 priority subscription service.
Furnaces
Buying or Repairing a Furnace
A dependable furnace is the gold standard tool against cold winters. Get the Expert service you deserve.
Lease a Furnace with Our Advantage Program™
Cut to the front of the line with our 24/7/365 priority subscription service.
Air Conditioners
Buying or Replacing an Air Conditioner
Central air conditioners offer more powerful and energy-efficient cooling than ever. Get the Expert service you deserve.
Lease an Air Conditioner with Our Advantage Program™
Cut to the front of the line with our 24/7/365 priority subscription service.
Packaged HVAC Systems
Buying or Repairing a Packaged HVAC System
Packaged HVAC systems are dependable, all-in-one comfort solutions in tight spaces. Get the Expert service you deserve.
Lease Packaged HVAC Systems with Our Advantage Program™
Cut to the front of the line with our 24/7/365 priority subscription service.
Solar
Buying or Repairing a Solar System
Using solar energy to power your HVAC system is extremely energy efficient. Get the Expert service you deserve.
We’re Happy to Handle Your Heat Pump Needs in Uniondale
Beat back the cold of winter with the quality heat pump services you deserve. The pros at Stan Gelber & Sons can encourage peak performance from your heat pump whether it’s brand new or 10 years old. Ready for heat pump repair or heat pump installation? Just let us know.
Get the most out of your system with routine heat pump maintenance. And when you’re ready to replace the old system for a new model, we can even help with heat pump replacement. To increase your potential savings, it always helps to know for sure if a maintenance membership is right for you.
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Secure Top-Notch Service with the Advantage Program™
The Advantage Program covers all the core HVAC services you could need with one low monthly payment.
There are several different plans to choose from, so pick the option that works with your needs and budget. Signing up for the Advantage Program, for example, offers:
- Guaranteed priority service
- Periodic preventive maintenance
- 15% discount on repairs** and services
- Replacement air filters
- And much more
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By signing up for a maintenance plan with Stan Gelber & Sons, you receive 24/7 access to some of the best local support. Check out our membership plans today!
Frequently Asked Questions
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How does a heat pump work?
Heat pumps transfer heat in or out of the building rather than creating it. Pumping heat into the building also works backward, allowing heat pumps to provide both heating and cooling.
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How often should a heat pump be serviced?
You can prolong better performance from your heat pump by scheduling service at least once a year. This will help prolong the system’s life span and help to reduce repair and utility costs.
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Is a maintenance plan worth it?
Staying on top of heat pump maintenance is key to encouraging stronger performance from your HVAC system.
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How can I bring my heating and cooling costs down?
Keeping your systems maintained will help bring costs down. Explore our helpful in-depth tips about keeping your systems healthy. We’ll tell you all about proper maintenance and its benefits.
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Do you provide emergency service?
Yes. We’re just a short ways away, whether you’re in need of a heat pump repair or replacement on a weekend day or in the middle of the night. Get in touch by phone at 631-537-3066 for prompt service.
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What is a Diagnostic Fee?
A diagnostic fee, also known as a service call fee, is a typical charge used by HVAC companies once someone is sent out to your home to diagnose the issue plaguing your HVAC system. This fee covers the technician’s time, knowledge and travel costs associated with determining the underlying cause of the problem. It’s in essence a service fee for the technician’s professional inspection to identify what went wrong.
It’s similar to visiting your doctor. They must perform a thorough checkup to learn more about what’s wrong before recommending treatment. Just the same, the technician we send needs to inspect your HVAC equipment to decide on the best repair or maintenance steps.
**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.
Request Service Today!
Our Experts are ready to take care of your HVAC, water heater, and plumbing needs!
© 2025 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.