Clogged and slow drains are one of the most frequent plumbing issues in New Hampshire homes — and one of the most frustrating to deal with. Whether it's a backed-up kitchen sink, a slow shower drain, or a completely blocked main sewer line, Plumbing HVAC Services New Hampshire has the tools and experience to diagnose the problem and restore full flow fast.
Drain Cleaning Services We Offer
Signs You Need Professional Drain Cleaning in NH
Many homeowners try DIY drain cleaners first — but store-bought chemical products typically provide only temporary relief and can actually damage pipes over time. Professional drain cleaning is the right call when you notice:
- 🔴 Multiple slow or clogged drains simultaneously — a sign of a main line blockage, not an isolated clog
- 🔴 Gurgling sounds from drains or toilets when water runs elsewhere
- 🔴 Sewage odors coming from drains, especially in the basement
- 🔴 Water backing up into sinks, tubs, or the basement floor drain
- 🔴 Recurring clogs in the same drain despite repeated attempts to clear it
- 🔴 Slow drains that never seem to fully clear after using commercial products
Our Drain Cleaning Methods
Professional Drain Snaking (Mechanical Augering)
For most household clogs — hair, soap buildup, food waste, minor grease accumulation — a professional drain snake (also called a plumber's auger or rooter) is the fastest and most effective solution. Unlike the small hand-cranked snakes available at hardware stores, our electric-powered professional augers reach deep into the drain system and physically break up or retrieve the obstruction. We carry cable machines from 25-foot hand snakes to 100-foot main line augers.
Hydro-Jetting
Hydro-jetting uses highly pressurized water (typically 3,000–4,000 PSI) to scour pipe walls clean from the inside. It's the most thorough drain cleaning method available and the preferred solution for:
- Heavy grease buildup in kitchen drain lines
- Mineral scale accumulation (common with NH hard water)
- Recurring clogs that keep coming back after snaking
- Pre-inspection cleaning before lining or pipe repair
- Commercial kitchens and high-use commercial drains
Hydro-jetting restores pipes to near-original flow capacity and is safe for most pipe materials including PVC, ABS, cast iron, and clay tile.
Video Sewer Camera Inspection
When a clog is stubborn, recurring, or suspected to be caused by something more serious (root intrusion, pipe collapse, offset joints), we deploy a high-definition sewer camera. This lets us see exactly what's happening inside the pipe — identifying not just the blockage but any underlying structural issues. We provide recorded footage and a written assessment, which can be valuable documentation if insurance or municipal claims are involved.
Ready to Schedule Service?
Licensed NH technicians available 24/7. Same-day appointments available.
📞 (603) 555-0100Tree Root Intrusion in NH Sewer Lines
One of the most common causes of severe main sewer line clogs in New Hampshire — especially in older neighborhoods with mature trees — is root intrusion. Tree roots follow moisture and nutrients, making sewer lines an ideal growth path. Once roots enter through a joint or crack, they expand over months and years, eventually causing complete blockages or pipe collapse.
We clear root obstructions using a combination of mechanical root cutting and hydro-jetting, then assess whether pipe repair or replacement is needed. Caught early, root intrusion can be managed before it becomes a major excavation project.
Drain Cleaning FAQs
Most standard drain clogs (kitchen sink, bathroom, shower) are cleared in 30–60 minutes. Main sewer line cleaning with hydro-jetting typically takes 1–2 hours. Camera inspection adds another 30–45 minutes.
Yes, over time. Chemical drain cleaners (like Drano or Liquid-Plumr) use harsh caustic or acidic compounds that can corrode older metal pipes and degrade PVC over repeated use. They also rarely clear deep blockages — they may dissolve the surface of a clog while leaving the bulk intact. Professional mechanical or hydro-jet cleaning is safer and more effective.
For most NH homes, once every 1–2 years is sufficient for preventive maintenance. Homes with older pipes, large trees nearby, or high-use commercial properties may benefit from annual service.
Yes. Main sewer line clogs require professional equipment — typically a heavy-duty cable machine or hydro-jetter — and often a camera inspection to identify the root cause. We handle main line blockages routinely across all of New Hampshire.
Yes. We provide 24/7 emergency drain service throughout NH. Sewage backing up into your home is a health emergency — call (603) 555-0100 and we'll dispatch a plumber immediately.
Preventive Drain Maintenance Programs
For commercial properties and homeowners who've experienced repeated drain issues, we offer preventive maintenance programs. Scheduled hydro-jetting every 1–2 years keeps pipes clear and can prevent costly emergency service calls. Ask us about maintenance agreements when you book your service.
Serving All of New Hampshire
We provide drain cleaning throughout New Hampshire including Manchester, Nashua, Concord, Dover, Portsmouth, Keene, Laconia, Derry, Rochester, and all surrounding communities. See all service areas →