Generated by All in One SEO Pro v4.9.10, this is an llms.txt file, used by LLMs to index the site. # Sal Manzo Plumbing, Heating & Cooling Long Island HVAC, Plumbing & Drain Cleaning ## Sitemaps - [XML Sitemap](https://www.manzoplumbing.com/sitemap.xml): Contains all public & indexable URLs for this website. ## Posts - [The Ideal Temperature Settings for Comfort and Energy Savings](https://www.manzoplumbing.com/blog/2025/july/the-ideal-temperature-settings-for-comfort-and-e/) - Keep chill (or heat) without losing your cool! Practical tips to master home temperature control with a smile. Better call Sal (516) 783-0490 - [The Pros and Cons of Tankless Water Heaters](https://www.manzoplumbing.com/blog/2025/february/the-pros-and-cons-of-tankless-water-heaters/) - Tankless water heaters: modern marvel or a hot mess? Take a look at some of the perks and pitfalls then you decide. Call Sal Manzo Plumbing 516-783-0490 - [4 Tips for A Clean and Efficient Shower](https://www.manzoplumbing.com/blog/2022/december/4-tips-for-a-clean-and-efficient-shower/) - Say goodbye to shower mishaps! Dive into witty tips to keep your bathroom happy, mold-free, and eco-friendly—no tears required. Call 516-783-0490 - [8 Tips for Babyproofing Your Bathroom](https://www.manzoplumbing.com/blog/2023/october/8-tips-for-babyproofing-your-bathroom/) - Protect your curious toddler with our expert babyproofing tips for bathrooms—covering hot water, electrical safety, & other hazards. Read more! 516-783-0490 - [What Is and Is Not Included in a Standard Home Inspection?](https://www.manzoplumbing.com/blog/2022/may/what-is-and-is-not-included-in-a-standard-home-inspection/) - What a standard home inspection covers & what it does not. Discover essential knowledge to protect your new home investment. Sal Manzo Plumbing 516-783-0490 - [Bathroom Remodel Ideas: Shower or Bathtub?](https://www.manzoplumbing.com/blog/2022/may/bathroom-remodel-ideas-shower-or-bathtub/) - Planning a bathroom remodel? Get ideas & uncover the benefits of walk-in showers and soaking tubs to craft your perfect sanctuary. Call Sal Manzo 516-783-0490 - [When to Replace a Toilet](https://www.manzoplumbing.com/blog/2022/june/when-to-replace-a-toilet/) - Don't let your toilet turn into a leaky disaster! Find out the quirky clues that scream 'replacement time' and make your bathroom hassle-free. Call 516-783-0490 - [Unclog These Drains Around Your Home](https://www.manzoplumbing.com/blog/2022/july/unclog-these-drains-around-your-home/) - Tackle common drain clogs around your home with DIY tips, strategies and professional advice—prevent costly repairs and stay hygienic! Call Manzo 516-783-0490 - [New Year Plumbing Resolutions](https://www.manzoplumbing.com/blog/2022/january/new-year-plumbing-resolutions/) - Resolve & maintain your plumbing this year! Prevent water waste, boost efficiency, & keep your home running flawlessly. Sal Manzo Plumbing can help 516-783-0490 - [A Handy Guide to Solving Dishwasher Problems](https://www.manzoplumbing.com/blog/2022/january/a-handy-guide-to-solving-dishwasher-problems/) - Avoid kitchen chaos! Find out how to resolve dishwasher issues like poor cleaning or leaks with our straightforward troubleshooting tips. Call 516-783-0490 - [5 Signs You Need a New Water Heater](https://www.manzoplumbing.com/blog/2023/september/5-signs-you-need-a-new-water-heater/) - Water heaters are necessary to perform essential tasks. That's why it’s important to keep it in good shape by doing any maintenance necessary. Call 516-783-0490 - [Watch Out for These Common Water Leaks!](https://www.manzoplumbing.com/blog/2024/october/watch-out-for-these-common-water-leaks/) - Watch out for sneaky water leaks draining thousands of gallons annually! Discover easy fixes to keep your home dry & save money. Manzo Plumbing 516-783-0490 - [Foods That DO NOT Go Down Your Garbage Disposal](https://www.manzoplumbing.com/blog/2024/march/foods-that-do-not-go-down-your-garbage-disposal/) - Discover which foods can damage your garbage disposal and learn how to keep your plumbing running smoothly. Expert tips from Sal Manzo Plumbing. (516) 783-0490 - [Easy Ways to Conserve Water](https://www.manzoplumbing.com/blog/2023/september/easy-ways-to-conserve-water/) - Conserve water effortlessly with straightforward tips. Find out how fixing leaks and watering smarter can make your home more sustainable. Call 516-783-0490 - [My Pipes Burst! What Do I Do?](https://www.manzoplumbing.com/blog/2023/march/my-pipes-burst-what-do-i-do/) - Facing a burst pipe? Act fast with our emergency checklist to minimize damage and ensure quick repairs. Call Sal Manzo Plumbing now for expert help 516-783-0490 - [Tell Tale Signs You Need to Replace Your Plumbing](https://www.manzoplumbing.com/blog/2023/june/tell-tale-signs-you-need-to-replace-your-plumbin/) - From leaks to rusty fixtures, learn when it's time to say goodbye to old plumbing and upgrade for a safer, more efficient home. Call Sal Manzo at 516-783-0490 - [4 Reasons Your Toilet Isn’t Working](https://www.manzoplumbing.com/blog/2023/december/4-reasons-your-toilet-isn-t-working/) - Having toilet problems? Learn the top 4 reasons your toilet might be malfunctioning and how to troubleshoot before calling a plumber. Call 516-783-0490 - [How to Save on Your Water Bill When Entertaining Guests](https://www.manzoplumbing.com/blog/2022/december/how-to-save-on-your-water-bill-when-entertaining/) - Hosting guests? Learn simple strategies to reduce water usage without sacrificing comfort by Sal Manzo Plumbing. Save money and stay eco-friendly! 516-783-0490 - [Why Regular Plumbing Inspections Save You Time and Money](https://www.manzoplumbing.com/blog/2025/october/why-regular-plumbing-inspections-save-you-time-a/) - Keep your pipes happy and your wallet happier! Sal Manzo shows how routine plumbing checks can extend your system’s life and boost efficiency. 516-783-0490 - [What Not to Flush Down Your Toilet (A Guide to Avoiding Disaster)](https://www.manzoplumbing.com/blog/2025/april/what-not-to-flush-down-your-toilet-a-guide-to-av/) - Keep your toilets happy and your drains flowing! Check out these tips on what NOT to flush for Long Island homeowners. Call Manzo Plumbing 516-783-0490 - [Tips for Preventing Clogged Drains in Your Home](https://www.manzoplumbing.com/blog/2026/january/tips-for-preventing-clogged-drains-in-your-home/) - Prevent clogged drains in Long Island homes with practical sink, shower, toilet, and main-line tips. Call Sal Manzo Plumbing at 516-783-0490. - [Water Heater Warning Signs Long Island Homeowners Should Not Ignore](https://www.manzoplumbing.com/blog/2026/may/water-heater-warning-signs-long-island-homeowners-should-not-ignore/) - Get practical advice on recognizing when your water heater needs repair or replacement to ensure safety & comfort at home. Call Sal Manzo Plumbing 516-783-0490 - [How to Prevent Hidden Leaks in Your Home](https://www.manzoplumbing.com/blog/2026/april/how-to-prevent-hidden-leaks-in-your-home/) - Small, unnoticed leaks can lead to major damage. Discover tips from Manzo Plumbing, Heating & Cooling to protect your home & keep your plumbing in top condition - [Drain Cleaning Tips for Long Island Homes](https://www.manzoplumbing.com/blog/2026/may/drain-cleaning-tips-for-long-island-homes/) - Maintain your drains safely with preventative tips, learn DIY habits, & when to call Long Island's Sal Manzo Plumbing for long-lasting results. 516-783-0490 - [Emergency Plumbing Signs Long Island Homeowners Should Act On Fast](https://www.manzoplumbing.com/blog/2026/may/emergency-plumbing-signs-long-island-homeowners-should-act-on-fast/) - Find out when to call a professional for plumbing problems like sewage backups, burst pipes, or leaks to safeguard your home. Call Manzo Plumbing (516) 783-0490 - [Winter Plumbing Issues and Frozen Pipe Prevention on Long Island](https://www.manzoplumbing.com/blog/2026/may/winter-plumbing-issues-and-frozen-pipe-prevention-on-long-island/) - Protect your Long Island home! Learn essential tips to prevent frozen pipes & avoid costly repairs during cold seasons. Call Sal Manzo Plumbing at 516-783-0490 - [Sewer Line Warning Signs Long Island Homeowners Should Catch Early](https://www.manzoplumbing.com/blog/2026/may/sewer-line-warning-signs-long-island-homeowners-should-catch-early/) - Septic smells or backups? Your Long Island home's sewer line needs attention. Schedule inspection asap to avoid bigger issues. Call Manzo Plumbing 516-783-0490 ## Pages - [Home](https://www.manzoplumbing.com/) - Trusted Long Island plumbers & HVAC pros. Family-operated with quick, reliable service across Nassau & Suffolk. Request Sal Manzo Plumbing today! 516-783-0490 - [Resources](https://www.manzoplumbing.com/resources/) - Discover Long Island's trusted plumbing resource since 1986 with emergency service, guaranteed quality, and easy online service requests. - [Heat Pumps](https://www.manzoplumbing.com/heating-air-conditioning/heat-pumps/) - Heat pump repair, installation & replacement across Long Island, Nassau & Suffolk County. Rebates, maintenance & comfort upgrades. Call 516-783-0490. - [Air Conditioning Repair East Meadow NY](https://www.manzoplumbing.com/air-conditioning-repair-east-meadow-ny/) - Need air conditioning repair in East Meadow NY? Manzo Plumbing provides fast AC diagnostics, emergency repairs, and central air service. Call (516) 783-0490. - [Air Conditioning Repair Levittown NY](https://www.manzoplumbing.com/air-conditioning-repair-levittown-ny/) - Need air conditioning repair in Levittown NY? Manzo Plumbing provides fast AC diagnostics, emergency repairs, and central air service. 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No hot water, leaking tanks, emergency water heater repair, gas and electric water heater service. Call (516) 783-0490. - [Wantagh](https://www.manzoplumbing.com/service-area/wantagh/) - Need a plumber, HVAC repair or drain cleaning in Wantagh, NY? Call Sal Manzo at 516-783-0490 for licensed Long Island home service. - [Levittown](https://www.manzoplumbing.com/service-area/levittown/) - Call Sal Manzo at 516-783-0490 for plumbing, HVAC, water heater and drain cleaning service in Levittown, NY and nearby Nassau County ZIP codes. - [Drain Cleaning](https://www.manzoplumbing.com/drain-cleaning/) - Drain cleaning, hydro jetting, and sewer line help on Long Island. Call Sal Manzo Plumbing at 516-783-0490 for fast service. - [Tankless Water Heaters](https://www.manzoplumbing.com/water-heaters/tankless-water-heaters/) - Tankless water heater installation in Long Island NY. Endless hot water, lower energy costs. 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Call Sal Manzo Plumbing at 516-783-0490 for same‑day service and clear diagnostics. - [Root Intrusion Sewer Line](https://www.manzoplumbing.com/drain-cleaning/root-intrusion-sewer-line/) - Root intrusion in Long Island sewer lines? Manzo Plumbing identifies the issue, clears blockages, and explains the right next steps. Call (516) 783-0490 - [Heating & Air Conditioning](https://www.manzoplumbing.com/heating-air-conditioning/) - Heating and air conditioning repair, replacement & maintenance on Long Island. Call Sal Manzo Plumbing at 516-783-0490 for fast service. - [Emergency Plumbing](https://www.manzoplumbing.com/plumbing/emergency-plumbing/) - Need an emergency plumber on Long Island? Sal Manzo Plumbing helps with burst pipes, backups, leaks and overflows. Call (516) 783-0490. - [Sewer Line Cleaning](https://www.manzoplumbing.com/drain-cleaning/sewer-line-cleaning/) - Need sewer line cleaning on Long Island? Manzo Plumbing helps clear slow drains, main line clogs, sewer odors, and backups across Nassau and Suffolk County. - [Sewer Camera Inspection](https://www.manzoplumbing.com/drain-cleaning/sewer-camera-inspection/) - Manzo Plumbing provides sewer camera inspection on Long Island to locate clogs, roots, pipe damage, bellies, and recurring sewer backup causes. - [Air Conditioning Repair Merrick NY](https://www.manzoplumbing.com/air-conditioning-repair-merrick-ny/) - Air conditioning repair in Merrick NY. Fast AC repair, emergency cooling service, diagnostics, and air conditioning repairs. Call (516) 783-0490. - [Plumbing](https://www.manzoplumbing.com/plumbing/) - Long Island plumbing services, leak repair, drains & more. Call Manzo Plumbing at 516-783-0490 for fast, reliable service. - [Contact](https://www.manzoplumbing.com/contact-us/) - Contact Sal Manzo Plumbing for plumbing, HVAC, and drain cleaning in Nassau & Suffolk County. Call (516) 347-7696 today. - [Water Heater Repair](https://www.manzoplumbing.com/service-area/suffolk/water-heater-repair/) - No hot water in Suffolk County? Sal Manzo repairs water heaters, leaks and hot water issues. Call (516) 783-0490. - [Air Conditioning Repair Bellmore NY](https://www.manzoplumbing.com/air-conditioning-repair-bellmore-ny/) - Need AC repair in Bellmore NY? Manzo Plumbing HVAC provides fast air conditioning repair, emergency service, and expert diagnostics. Call (516) 783-0490. - [Air Conditioning Repair Seaford NY](https://www.manzoplumbing.com/air-conditioning-repair-seaford-ny/) - Need AC repair in Seaford NY? Manzo Plumbing fixes central air, frozen coils, leaks & thermostat issues. Call (516) 783-0490 today. - [Sewer Backup](https://www.manzoplumbing.com/drain-cleaning/sewer-backup/) - Sewer backup on Long Island? 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Manzo Plumbing provides sewer inspections, cleaning, and root intrusion solutions throughout Long Island. Call (516) 783-0490. - [Sewer Backup Services Long Island NY](https://www.manzoplumbing.com/sewer-backup-services-long-island-ny/) - Sewer backup service on Long Island. Basement backups, sewage odors, main line clogs and emergency sewer issues. Call (516) 783-0490. - [Sewer Camera Inspection Long Island NY](https://www.manzoplumbing.com/sewer-camera-inspection-long-island-ny/) - Sewer camera inspection on Long Island. Find roots, cracks, clogs, offsets and sewer problems. Call Manzo Plumbing at (516) 783-0490. - [Main Sewer Line Clogs Long Island NY](https://www.manzoplumbing.com/main-sewer-line-clogs-long-island-ny/) - Main sewer line clogged? Slow drains, backups, and sewer odors? Call Manzo Plumbing at (516) 783-0490 for Long Island sewer service. - [Privacy Policy](https://www.manzoplumbing.com/privacy-policy/) - Discover Sal Manzo Plumbing, Heating & Cooling commitment to your privacy with detailed insights on data collection, storage, and your privacy rights. - [Kitchen & Bath Rough Ins](https://www.manzoplumbing.com/plumbing/kitchen-bath-rough-ins/) - Ensure your new kitchen or bathroom is set up for success with expert rough-in plumbing from Sal Manzo Plumbing. Call today for reliable service on Long Island. - [HVAC Services](https://www.manzoplumbing.com/service-area/suffolk/hvac-services/) - Heating, cooling and plumbing-connected HVAC service in Suffolk County from Sal Manzo Plumbing, Heating & Cooling. Call (516) 783-0490. - [Plumbing Installation](https://www.manzoplumbing.com/service-area/suffolk/plumbing-installation/) - Need plumbing installation in Suffolk County? Sal Manzo Plumbing, Heating & Cooling installs fixtures, lines and plumbing systems. Call (516) 783-0490. - [Why Choose Us](https://www.manzoplumbing.com/why-choose-us/) - Discover why Long Island homeowners trust Sal Manzo for plumbing, heating, drains & water heaters. Call (516) 783-0490 today. - [Tips & FAQs](https://www.manzoplumbing.com/faq/) - Answers to common Long Island plumbing, drain, heating & water heater questions. Serving Nassau & Suffolk. Call (516) 783-0490. - [Shower Repair & Installation](https://www.manzoplumbing.com/service-area/wantagh/shower-repair-installation/) - Need shower repair or installation in Wantagh, NY? Call Sal Manzo at (516) 783-0490 for valves, leaks, fixtures and shower plumbing. - [Sink Installation](https://www.manzoplumbing.com/service-area/wantagh/sink-installation/) - Need sink installation in Wantagh, NY? Call Sal Manzo at (516) 783-0490 for kitchen sinks, bathroom sinks, faucets, drains and leaks. - [Toilet Repair & Installation](https://www.manzoplumbing.com/service-area/wantagh/toilet-repair-installation/) - Need toilet repair in Wantagh? Sal Manzo fixes clogs, leaks, running toilets and installs replacements. Call (516) 783-0490. - [Water Line Services](https://www.manzoplumbing.com/service-area/wantagh/water-line-services/) - Need water line service in Wantagh? Sal Manzo repairs and replaces water lines with clear pricing. Call (516) 783-0490. - [Heater Installation & Replacement](https://www.manzoplumbing.com/service-area/wantagh/heater-installation-replacement/) - Need heater installation in Wantagh, NY? Call Sal Manzo at (516) 783-0490 for heating replacement, system upgrades and home comfort service. - [Leak Detection & Repair](https://www.manzoplumbing.com/service-area/wantagh/leak-detection-repair/) - Need leak detection in Wantagh, NY? 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Sal Manzo installs tank and tankless systems. Call (516) 783-0490. - [Water Heater Repair](https://www.manzoplumbing.com/service-area/nassau/water-heater-repair/) - No hot water in Nassau County? Sal Manzo repairs water heaters with clear pricing and trusted service. Call (516) 783-0490. - [Suffolk](https://www.manzoplumbing.com/service-area/suffolk/) - Need plumbing or HVAC service in Suffolk County? Sal Manzo serves Long Island homes with trusted help. Call (516) 783-0490. - [AC Repair](https://www.manzoplumbing.com/service-area/suffolk/ac-repair/) - Need AC repair in Suffolk County? Sal Manzo fixes cooling problems, leaks and airflow issues. Call (516) 783-0490. - [Air Conditioning](https://www.manzoplumbing.com/service-area/suffolk/air-conditioning/) - Suffolk County AC service from Sal Manzo. Cooling, HVAC and plumbing support for Long Island homes. 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Call 516-783-0490. - [Service Area](https://www.manzoplumbing.com/service-area/) - Plumbing, heating, drain cleaning & water heaters across Nassau & Suffolk. Call Sal Manzo Plumbing today at (516) 783-0490. - [Hempstead](https://www.manzoplumbing.com/service-area/hempstead/) - Need plumbing, HVAC or drain cleaning in Hempstead, NY? Call Sal Manzo at 516-783-0490 for licensed Long Island repairs, water heaters and emergency service. - [Baldwin](https://www.manzoplumbing.com/service-area/baldwin/) - [Merrick](https://www.manzoplumbing.com/service-area/merrick/) - [Freeport](https://www.manzoplumbing.com/service-area/freeport/) - [Nassau](https://www.manzoplumbing.com/service-area/nassau/) - Nassau. Our team offers a wide range of heating, cooling, and plumbing services in Long Island. Contact us today to schedule a service call. - [Air Conditioning](https://www.manzoplumbing.com/service-area/nassau/air-conditioning/) - Need AC service in Nassau County? Sal Manzo offers cooling, plumbing and HVAC help with upfront pricing. Call (516) 783-0490. - [Heater Repair](https://www.manzoplumbing.com/service-area/nassau/heater-repair/) - No heat in Nassau County? Sal Manzo repairs heaters, boilers and HVAC systems with upfront pricing. Call (516) 783-0490. - [Leak Detection & Repair](https://www.manzoplumbing.com/plumbing/leak-detection-repair/) - Need leak detection & repair on Long Island? Sal Manzo finds hidden leaks fast behind walls, under slabs, and underground. Call (516) 783-0490. - [House Trap Replacement](https://www.manzoplumbing.com/plumbing/house-trap-replacement/) - House trap replacement in Nassau & Suffolk County. Fix sewer odors, backups, and failing traps. Call 516-783-0490. - [Slab Leak Repair](https://www.manzoplumbing.com/plumbing/slab-leak-repair/) - Slab leak repair in Nassau & Suffolk County. Detect hidden leaks, protect your foundation, and stop water damage. Call 516-783-0490. - [Sewer Ejector Pumps](https://www.manzoplumbing.com/plumbing/sewer-ejector-pumps/) - Sewer ejector pump repair & replacement in Nassau & Suffolk County. Fix odors, failures, and basement wastewater issues. Call 516-783-0490. - [Sewer Line Replacement](https://www.manzoplumbing.com/plumbing/sewer-line-replacement/) - Sewer line replacement on Long Island NY for root damage, broken sewer pipes, backups, and failing lines in Nassau & Suffolk. Call 516-783-0490. - [Sewer Line Maintenance](https://www.manzoplumbing.com/plumbing/sewer-line-maintenance/) - Prevent sewer backups with Long Island sewer line maintenance from Sal Manzo Plumbing. Nassau & Suffolk service. Call 516-783-0490. - [Sump Pumps](https://www.manzoplumbing.com/plumbing/sump-pumps/) - Prevent basement flooding with sump pump repair, replacement, and maintenance from Sal Manzo Plumbing. Nassau & Suffolk. Call 516-783-0490. - [Piping & Repiping](https://www.manzoplumbing.com/plumbing/piping-repiping/) - Fix leaks, low pressure, and old pipes with whole-home repiping in Long Island. PEX & copper options. Call 516-783-0490. - [Water Line Services](https://www.manzoplumbing.com/plumbing/water-line-services/) - Low pressure, yard leaks, or main water line trouble? Sal Manzo repairs and replaces water lines across Long Island. Call 516-783-0490. - [Water Treatment Systems](https://www.manzoplumbing.com/plumbing/water-treatment-systems/) - Water treatment system repair & maintenance in Long Island NY. Fix bad taste, hard water & filter issues fast. Call 516-783-0490. - [Water Filtration](https://www.manzoplumbing.com/plumbing/water-treatment-systems/water-filtration/) - Whole-house and under-sink water filtration system installation, repair, and maintenance on Long Island. Call Manzo Plumbing at 516-783-0490. - [Water Softener Installation](https://www.manzoplumbing.com/plumbing/water-treatment-systems/water-softener-installation/) - Water softener installation for Long Island homes. Fix hard water, scale, stains & appliance wear. Nassau & Suffolk. Call 516-783-0490. - [Frozen Pipes](https://www.manzoplumbing.com/plumbing/frozen-pipes/) - Frozen or burst pipes in Nassau & Suffolk? Fast thawing, repair & winterization. Call 516-783-0490 now. - [Garbage Disposals](https://www.manzoplumbing.com/plumbing/garbage-disposals/) - Garbage disposal repair & installation in Nassau & Suffolk County. Fast service, clog removal & replacements. Call 516-783-0490. - [Gas Line Repair](https://www.manzoplumbing.com/plumbing/gas-line-repair/) - Gas line repair, leak detection & gas piping on Long Island. Safe service in Nassau & Suffolk County. Call 516-783-0490. - [Boilers](https://www.manzoplumbing.com/heating-air-conditioning/boilers/) - Boiler repair, installation & maintenance in Nassau & Suffolk County NY. Fast service for Long Island homes. - [Heating Repair](https://www.manzoplumbing.com/heating-air-conditioning/heating-repair/) - Fast Long Island heating repair for boilers, furnaces & heat pumps in Nassau & Suffolk. Call Sal Manzo at (516) 783-0490. - [Employment Opportunities](https://www.manzoplumbing.com/employment-opportunities/) - Apply for plumbing, HVAC, installer, and helper jobs with Sal Manzo Plumbing on Long Island. Call (516) 783-0490 for opportunities. - [Financing](https://www.manzoplumbing.com/financing/) - Flexible financing options for plumbing, heating, drains & water heaters on Long Island. Call Sal Manzo at (516) 783-0490. - [Hydro-Jetting](https://www.manzoplumbing.com/drain-cleaning/hydro-jetting/) - Tired of drains clogging again? Hydro jetting clears buildup, roots, and sewer lines for good. Serving Nassau & Suffolk. Call (516) 783-0490. - [Ductless Mini Splits](https://www.manzoplumbing.com/heating-air-conditioning/ductless-mini-splits/) - Ductless mini split installation & repair in Nassau & Suffolk County. Zoned comfort, lower bills. Call (516) 783-0490 today. - [Furnaces](https://www.manzoplumbing.com/heating-air-conditioning/furnaces/) - Furnace repair, installation, replacement & maintenance across Long Island, Nassau & Suffolk County. Call Sal Manzo Plumbing at 516-783-0490. - [Central Air Conditioning](https://www.manzoplumbing.com/heating-air-conditioning/central-air-conditioning/) - Central AC repair & installation Long Island NY. Fast service in Nassau & Suffolk. Call 516-783-0490 today. - [Radiant Floor Heating](https://www.manzoplumbing.com/heating-air-conditioning/radiant-floor-heating/) - Radiant floor heating installation and repair in Long Island. Call 516-783-0490. - [About Us](https://www.manzoplumbing.com/about-us/) - Learn about Manzo Plumbing & Heating serving Long Island, NY. Trusted local experts with reliable service. Call 516-783-0490. - [Coupons](https://www.manzoplumbing.com/coupons/) - Save on plumbing, HVAC & drain services in Long Island. Coupons for Nassau & Suffolk homeowners. Call (516) 783-0490 today. - [2025 Refrigerant Mandate](https://www.manzoplumbing.com/2025-refrigerant-mandate/) - Learn how 2025 HVAC refrigerant changes affect Long Island homeowners. Call 516-783-0490. ## Categories - [Plumbing](https://www.manzoplumbing.com/blog/category/plumbing/)