Daily Voice Readers’ Choice Winner
Voted the Best Plumber on Long Island in 2024. This honor reflects our dedication to bringing trusted, high-quality plumbing support and legendary customer care to homes across our local community.
Long Island Plumbing & HVAC Done Right the First Time
Family-owned. Nassau & Suffolk service.
Same-day help.
Request Service
Long Island Plumbing & HVAC Done Right the First Time
Family-owned. Nassau & Suffolk service.
Same-day help.
Request Service
★★★★★ “On time, clean work, fair price”
★★★★★ “Best plumber in Nassau County”
★★★★★ “Saved us during emergency”
★★★★★ “On time, clean work, fair price”
★★★★★ “Best plumber in Nassau County”
★★★★★ “Saved us during emergency”
★★★★★ “Best plumber in Nassau County”
★★★★★ “Saved us during emergency”
★★★★★ “On time, clean work, fair price”
★★★★★ “Best plumber in Nassau County”
★★★★★ “Saved us during emergency”
Award-Winning Service
Proudly recognized locally on Long Island and nationwide for excellence in plumbing, heating, and customer care.
2026 Pulse of the City Award
Earning the prestigious 2026 Pulse of the City Award for customer service excellence. This award highlights our ongoing promise to combine elite trade craftsmanship with premium client support.
Core Services
Fast Help for Plumbing, HVAC & Drain Problems Across Nassau & Suffolk
Drain Cleaning
Clear slow, backed-up, and stubborn drains before they become bigger problems.
Water Heaters
No hot water? We repair, replace, and install high-efficiency systems fast—done right the first time.
Heating & Furnace
Reliable heat when you need it most—repairs, tune-ups, and installs done right.
Air Conditioning
Fast, reliable AC repair, tune-ups, and installs to keep your home cool all summer.
Sewer & Jetting
Clear tough blockages fast with professional hydro jetting and main line cleaning.
Installations & Replacements
New system installs and replacement options built around long-term reliability.
Technicians That Train Constantly — Not Guess
Real training. Real experience. No guessing when it comes to your plumbing, heating, or AC. We fix it right the first time so you’re not calling someone else next week.- ✔ Family Owned & Operated
- ✔ Serving Nassau & Suffolk County
- ✔ Licensed & Insured Technicians
- ✔ Same-Day Service Available
- ✔ 24/7 Emergency Response
trusted • certified • long island professionals
Long Island Service Area
Serving Nassau & Suffolk County With Plumbing, Heating, Drain & AC Help
Sal Manzo Plumbing, Heating & Cooling helps homeowners across Long Island with plumbing repairs, drain cleaning, heating service, air conditioning, water heaters, sewer work, & emergency service.
LIMITED TIME OFFER
$1,000 Off Installation or Replacement
Central Air • Heat Pump • Boiler • Full Gas Conversion with Boiler Replacement
Must mention this offer when booking.
Cannot combine with other offers. Expires 12/31/26.
Cannot combine with other offers. Expires 12/31/26.
Quick Answers
Common Questions From Long Island Homeowners
Do you offer same-day service?
Yes. Same-day service may be available for plumbing, heating, drain, and AC issues depending on schedule and location.
Do you serve both Nassau and Suffolk?
Yes. Sal Manzo serves homeowners across Nassau County and Suffolk County, including Wantagh, Seaford, Levittown, Bellmore, Merrick, and nearby towns.
What number should customers call?
Call (516) 783-0490 for plumbing, heating, air conditioning, drain cleaning, and emergency service help.
Need Plumbing, Drain, Heating or A/C Help Fast?
Call Sal Manzo Plumbing, Heating & Cooling for trusted service across Nassau and Suffolk County.