Old homes, coastal air, and hard water put a lot of quiet stress on a house in Cos Cob. When something goes wrong with your plumbing or heating, you want a local team that already knows the territory. First String Plumbing, Heating & Cooling has been the trusted plumber and heating team in Cos Cob, CT, for over forty years, showing up prepared, speaking plainly, and doing the job right the first time.
Cos Cob’s older homes and salty coastal air quietly wear on pipes, and most homeowners don’t notice until something stops working. Our plumbing services in Cos Cob, CT, cover every situation, from a stubborn clog to a full line replacement, with the same steady approach every time. We get to the real cause, explain what’s going on in plain terms, and make sure you feel good about the plan before we ever pick up a tool.
Slow drains in Cos Cob homes often point to years of buildup working against you. At First String Plumbing, Heating & Cooling, we clear the real source of the clog, not just the surface, so your drains stay clear and your home keeps running smoothly. Our techs work clean, explain what they find, and leave things tidy.
When a pipe bursts or a leak suddenly gets out of hand, you need someone local who can show up fast and handle it with a steady hand. As your emergency plumber in Cos Cob, CT, we're ready for the calls that can't wait. We get there quickly, size up the situation, and get your home back to normal without adding stress to an already hard moment.
Grease, soap, and years of buildup can quietly choke a drain line until water barely moves. Hydrojetting blasts that buildup away from the inside, clearing blockages that ordinary snaking can't reach. Your pipes come out cleaner, flow better, and stay that way longer. It's a thorough, lasting fix that keeps your home's plumbing running the way it should.
Water has a way of finding the smallest gaps and working quietly behind walls, under floors, and inside slabs. We track down exactly where it's coming from using precise, non-invasive tools that protect your home in the process. Once we find it, we walk you through what's happening and give you honest solutions for your home.
Older Cos Cob homes often hide tired pipes that quietly leak, reduce water pressure, or discolor the water coming out of the tap. Repiping replaces the whole system with modern, dependable materials built to last for decades. The result is steady flow, cleaner water, and a home that runs the way it should every single day.
Repeated backups and foul smells are your home telling you something is seriously wrong underground. In Cos Cob, coastal soils and aging clay pipes make sewer line trouble more common than most homeowners expect. We get to the root of the problem and repair or replace the line, backed by decades of hands-on experience.
Endless hot water on demand changes how your household runs, especially during busy moments. A tankless unit heats water only when you need it, so you stop paying to keep a tank warm around the clock. We size and install your system to match your home's demand, resulting in reliable hot water and lower energy bills.
Cold showers and lukewarm taps are a real disruption, and they usually mean your unit needs attention sooner rather than later. Our water heater repair service covers every brand, and in most cases we have your hot water running again in a single visit. We find the true cause and make sure to deliver a lasting repair for your home.
A tankless water heater that stalls, loses heat, or throws an error code is frustrating, but it doesn't always mean you need a full replacement. Our techs get to the root cause quickly, whether it's mineral buildup, a worn sensor, or a small part that's failed. A targeted repair gets your hot water running reliably again.
Low pressure, discolored water, or a soft wet spot in the yard are signs your main line needs attention. At First String Plumbing, Heating & Cooling, we find the problem, protect your landscaping, and restore steady, reliable flow to every tap in your home. You get honest options so you make the call that's right for your home and your budget.
Cos Cob's water can be hard on fixtures, appliances, and honestly, on the taste of what comes out of your tap. We look at what your household is actually dealing with and match a filtration solution to those real needs. The result is cleaner, better-tasting water, and a home that feels noticeably different from the first day it's running.
Cracked or corroded pipes hiding beneath your yard don't have to mean a major excavation. Pipe lining works from the inside out, restoring the strength of a damaged line without tearing up your landscaping or disrupting your daily routine. The finished lining is durable and long-lasting, leaving your property looking exactly as we found it.
Cos Cob sits right along the coast, and that means your heating and cooling equipment works harder than most people realize. Cold snaps arrive fast, humid summers linger, and a system that’s slightly off makes the whole house uncomfortable. That’s where we come in. Our HVAC service in Cos Cob, CT, covers everything from a furnace that won’t fire up to a cooling system struggling through August, and we explain what’s wrong in plain language every step of the way.
When cooling quits on a muggy afternoon, the whole house feels it fast. Our AC repair in Cos Cob, CT, gets your system back on track quickly with accurate diagnostics that pinpoint the real problem rather than guessing. Whether it's a worn capacitor, a dirty coil, or low refrigerant, we fix what's actually wrong and explain it in plain words so you always know what's happening.
A furnace that short-cycles, blows cool air, or rattles needs attention before the coldest nights set in. Our furnace repair in Cos Cob, CT, gets to the true cause quickly, so you're not stuck guessing why your home won't warm up. We service every brand and share straight, actionable recommendations so heat comes back reliably, and your home stays comfortable all winter.
Heat pumps deliver energy-efficient comfort in every season, keeping your home warm through winter and cool through summer without leaning on separate systems. Our coastal climate can swing hard, and we size each unit to handle those swings well, so your home stays comfortable even on the coldest nights. The result is steady, reliable comfort and noticeably lower energy bills.
Some rooms stay warm no matter how hard the rest of the house cools down. A mini split solves that without touching your existing ductwork. At First String Plumbing, Heating & Cooling, our expert team installs the right system for your living space, delivering targeted, reliable cooling right where you need it most, without disrupting the rest of your home.
Heating your home with oil means dealing with deliveries, price swings, and an aging system that works harder than it has to. Gas heat runs cleaner, costs less to maintain, and keeps your home warmer without the guesswork. We handle the full conversion from start to finish, and modern air conditioning systems pair naturally with gas heat.
Your home is our big league. At First String Plumbing, Heating & Cooling, we treat every house like the biggest stage there is, because to you, it is. We’re a family-owned team that serves Fairfield County with more than four decades of master-level experience in plumbing, heating, and cooling. That means seasoned know-how, modern equipment, and flat-rate pricing we walk you through before any work begins so you always know exactly what you’re paying for and why.
Whether we’re fixing a small drip or helping you prevent a major headache, we show up prepared, explain things in plain language, and work with integrity from start to finish. Big job or small, you get the same respect and the same care. For us, home comfort isn’t just work. It’s our everything. When you need a team you feel good calling, we’re ready.
EXCELLENT Based on 54 reviews Posted on Google Chris ATrustindex verifies that the original source of the review is Google. First String is great. I’ve used them twice now. The guys here get the job done well and are very clear communicators. Shoutout to John and Shane who did replacements on our shower fixtures that included opening up the wall behind it. Clean tight work. Super professional. If you’re looking for a good honest plumbing company you found it.Posted on Google Jody FTrustindex verifies that the original source of the review is Google. Shane and John were fantastic and worked until they got the job done properly. They weee super professional and lovely to work with.Posted on Google Sam NelsonTrustindex verifies that the original source of the review is Google. Great experiencePosted on Google Diana MoriartyTrustindex verifies that the original source of the review is Google. Such a great experience! Nick is always so prompt and helpful when I reach out and then Shane went above and beyond to help us with the plumbing issue and was super friendly and efficient. Top notch service all around. Highly recommend!Posted on Google biao houTrustindex verifies that the original source of the review is Google. John and Shane came along and troubleshooted my drainage issue with my washing machine. After diagnosing the problem they repaired it the right way after snaking the line to make sure it was clear first and everything is working great. Could not be happier, will be using for Firststring in the future for all my plumbing needs!Posted on Google Walter VelezTrustindex verifies that the original source of the review is Google. Great team great workPosted on Google Marti SofferTrustindex verifies that the original source of the review is Google. John and Shane were professional, helpful, and super clean. They answered all of my questions and were excellent.Posted on Google Mike KellyTrustindex verifies that the original source of the review is Google. First String is the best! John and Shane were amazing. On time, professional, and thorough. They fixed the problem and explained everything and were friendly throughout. We highly recommend First String.Posted on Google John KurdzielTrustindex verifies that the original source of the review is Google. First string came along and changed the pilot assembly on my boiler and the gas piping going from the gas valve to the pilot. They were efficient and thorough. Highly recommended will definitely call first string in the future for all my jobs.Posted on Google Steven ShiveTrustindex verifies that the original source of the review is Google. John and Shane did a fantastic job!
Yes. Big repairs and upgrades shouldn’t have to wait, so First String Plumbing, Heating & Cooling offers flexible financing to spread the cost over time. With approved credit, you can pick 0% APR for 12 or 18 months, or 9.99% APR for up to 120 months. Just ask when you schedule, and we’ll help you find the right plan.
We use flat-rate pricing, which means one clear price for the whole job rather than a running meter rate. Your technician explains the work, walks you through your options, and gives you that number before lifting a wrench. It covers the labor and materials for the fix, so with First String Plumbing, Heating & Cooling, there’s nothing left to guess at.
Yes. First String Plumbing, Heating & Cooling will come out, look at what’s going on, and talk through your options with no cost and no pressure. You get an honest picture of the problem and what it takes to solve it, then you decide what feels right. Give us a call whenever you’re ready to schedule.
First String serves neighbors all across the area, from Riverside and Old Greenwich to Darien, Stamford, and New Canaan. Every town gets the same skilled local team, clean work, and straight answers you’d expect from people who genuinely know this part of Connecticut.