Flatlands
Serving Brooklyn Since 1906
Plumbing, Heating & Air Conditioning in Flatlands, Brooklyn
Flatlands homeowners call Petri for plumbing, heating, and cooling work that’s handled right from the start.
Nobody wants to search around for a plumber one week and an HVAC company the next. Petri Plumbing, Heating, Cooling & Drain Cleaning takes care of Flatlands homes across the board, covering plumbing repairs, water heaters, HVAC, indoor air quality, and drain and sewer service.
We’ve been family-owned since 1906, and our technicians are familiar with the detached and semi-attached homes that make up much of Flatlands, many with mature landscaping and older plumbing systems that need a careful touch. Every technician we send out is licensed, and every job is backed by our 100% satisfaction guarantee.
Whether you’re dealing with an emergency or planning ahead for a system replacement, Petri delivers dependable, honest work built for long-term comfort.
Call Petri Plumbing, Heating, Cooling & Drain Cleaning or book online to schedule service in Flatlands.
$50 off Any Plumbing or HVAC Repair Over $500
Expires 09/30/26.
*$500 minimum purchase required. Excludes service call fee. Valid only for residential customers. Not to be combined with any other offer or discount. Discount off full retail price of item. Membership pricing not eligible for promotion. Cash Value $0.01.




Home Services for Flatlands Homeowners
Petri brings plumbing, HVAC, and drain expertise together under one roof, so Flatlands residents have a single, reliable contact no matter what comes up. Our services include:
- HVAC — heat pumps, indoor air quality, IAQ testing, air filtration and purification, and smart thermostats
- Air Conditioning — AC repair, maintenance, installation, replacement, and ductless mini-splits
- Heating — heating repair, maintenance, installation, furnaces, and boilers
- Plumbing — emergency plumbing, leak detection, water heaters, water softeners, gas lines, bathroom remodeling, and more
- Drains & Sewers — drain cleaning, sewer cleaning, hydro jetting, sewer line repair, replacement, and inspections
Take a look below, or just call us and describe what’s going on. We’ll help you figure out the right next step.
HVAC Services in Flatlands
Many Flatlands homes sit on larger lots than you’ll find in denser parts of Brooklyn, which can mean bigger square footage for an HVAC system to heat and cool evenly. Petri provides full HVAC service throughout Flatlands, including heat pumps, smart thermostats, and indoor air quality upgrades, with attention to making sure larger homes get consistent comfort from front to back.
HVAC Repair in Flatlands
Uneven temperatures between rooms, weak airflow, unusual noises, and systems that won’t stay on are all worth addressing quickly. Petri diagnoses and repairs HVAC issues throughout Flatlands, including:
- Rooms that run noticeably warmer or colder than the rest of the house
- Short cycling or systems that won’t hold a set temperature
- Weak airflow from vents, especially in rooms farther from the unit
- Thermostat malfunctions
- Complete system shutdowns
We’ll pinpoint the actual cause before recommending a repair and explain your options clearly.
HVAC Maintenance in Flatlands
Larger Flatlands homes often mean longer duct runs, and dust or debris buildup in those ducts can quietly reduce efficiency over time. Petri’s HVAC maintenance visits include a full inspection, cleaning, and testing of your system’s components, helping catch airflow issues before they turn into uneven comfort or higher bills.
HVAC Installation & Replacement in Flatlands
An older or undersized system often struggles to keep a larger Flatlands home comfortable throughout. Petri installs and replaces HVAC systems throughout Flatlands, sizing new equipment to your home’s actual square footage and layout so every room gets the airflow it needs.
Indoor Air Quality (IAQ) in Flatlands
Dust, pollen, and pet dander build up in every home over time, and larger homes with more square footage to circulate air through can see this compound. We offer IAQ testing, whole-home filtration, purification, humidifiers, dehumidifiers, and ventilation upgrades throughout Flatlands to help your air feel cleaner throughout the entire house.
Heat Pumps in Flatlands
A heat pump handles heating and cooling from a single efficient system, which can be a smart upgrade for larger Flatlands homes looking to simplify equipment and cut energy costs. Petri installs, services, and repairs air-source and ductless heat pumps, and we’ll help you weigh whether one fits your home’s size and layout.
Thermostats & Smart Controls in Flatlands
A smart thermostat, or a zoned system with multiple thermostats, can make a real difference in a larger home where one room always seems to run hotter or colder than the rest. We install programmable and connected thermostats throughout Flatlands matched to your system and your household’s routine.
HVAC Repair in Flatlands
Uneven temperatures between rooms, weak airflow, unusual noises, and systems that won’t stay on are all worth addressing quickly. Petri diagnoses and repairs HVAC issues throughout Flatlands, including:
- Rooms that run noticeably warmer or colder than the rest of the house
- Short cycling or systems that won’t hold a set temperature
- Weak airflow from vents, especially in rooms farther from the unit
- Thermostat malfunctions
- Complete system shutdowns
We’ll pinpoint the actual cause before recommending a repair and explain your options clearly.
HVAC Maintenance in Flatlands
Larger Flatlands homes often mean longer duct runs, and dust or debris buildup in those ducts can quietly reduce efficiency over time. Petri’s HVAC maintenance visits include a full inspection, cleaning, and testing of your system’s components, helping catch airflow issues before they turn into uneven comfort or higher bills.
HVAC Installation & Replacement in Flatlands
An older or undersized system often struggles to keep a larger Flatlands home comfortable throughout. Petri installs and replaces HVAC systems throughout Flatlands, sizing new equipment to your home’s actual square footage and layout so every room gets the airflow it needs.
Indoor Air Quality (IAQ) in Flatlands
Dust, pollen, and pet dander build up in every home over time, and larger homes with more square footage to circulate air through can see this compound. We offer IAQ testing, whole-home filtration, purification, humidifiers, dehumidifiers, and ventilation upgrades throughout Flatlands to help your air feel cleaner throughout the entire house.
Heat Pumps in Flatlands
A heat pump handles heating and cooling from a single efficient system, which can be a smart upgrade for larger Flatlands homes looking to simplify equipment and cut energy costs. Petri installs, services, and repairs air-source and ductless heat pumps, and we’ll help you weigh whether one fits your home’s size and layout.
Thermostats & Smart Controls in Flatlands
A smart thermostat, or a zoned system with multiple thermostats, can make a real difference in a larger home where one room always seems to run hotter or colder than the rest. We install programmable and connected thermostats throughout Flatlands matched to your system and your household’s routine.
Air Conditioning Services in Flatlands
A larger home means an air conditioner has more work to do to keep every room comfortable. Petri handles AC repair, maintenance, seasonal tune-ups, installation, and replacement throughout Flatlands, helping homeowners get even, reliable cooling through the hottest months.

Worker repairing ceiling air conditioning unit[/caption]
AC Repair in Flatlands
Warm air, weak airflow in certain rooms, or a system that won’t turn on are common issues we see throughout Flatlands. Petri repairs:
- Frozen evaporator coils
- Low or leaking refrigerant
- Clogged condensate drain lines
- Faulty thermostats and control boards
- Electrical faults preventing startup
We diagnose the issue, explain it in plain terms, and get your system running again fast.
AC Maintenance & Tune-Ups in Flatlands
A yearly tune-up is one of the simplest ways to avoid a breakdown during peak summer heat. Our Flatlands maintenance visits include cleaning, testing, and adjustments, ideally scheduled in spring so your system’s ready before the season really gets going.

AC Installation & Replacement in Flatlands
If your current system can’t keep your whole home cool evenly, or your energy bills keep creeping up, replacement is often the better long-term move. Petri handles AC installation and replacement throughout Flatlands, sizing new equipment to match your home’s square footage so every room gets proper coverage.
Ductless Mini-Split AC in Flatlands
Ductless mini-splits work well for additions, converted garages, or finished basements common in Flatlands homes. Petri installs, repairs, and maintains ductless systems for flexible, zoned cooling wherever you need it most.
Call Petri Plumbing, Heating, Cooling & Drain Cleaning to schedule air conditioning service in Flatlands.
Heating Services in Flatlands
A larger home needs a heating system that can distribute warmth evenly, not just crank out heat near the thermostat. Petri provides heating repair, maintenance, installation, and replacement throughout Flatlands for furnaces, boilers, and heat pumps.
Heating Repair in Flatlands
A furnace or boiler that won’t ignite, blows cold air, or leaves certain rooms noticeably colder than others needs prompt attention. Petri repairs furnaces, boilers, and heat pumps throughout Flatlands, and we work to restore full-home heat the same day whenever possible.
Heating Maintenance in Flatlands
Annual maintenance is what keeps a heating system reliable through the winter, especially in larger homes where the system works harder to cover more square footage. Our technicians inspect components, clean key parts, test safety controls, and adjust the system to distribute heat evenly.
Heating Installation & Replacement in Flatlands
An aging or undersized system can leave parts of a Flatlands home cold no matter how high you set the thermostat. We help homeowners choose properly sized heating equipment and manage the full installation process, matched to your home’s actual layout.
Furnaces in Flatlands
Furnaces remain a dependable heating option for many Flatlands homes, particularly larger single-family properties. Petri repairs, maintains, installs, and replaces gas and electric furnaces, addressing ignition issues, uneven heat, or full system upgrades.
Boilers in Flatlands
Boilers provide steady, even heat that works well for larger homes, and with proper care they can last for decades. We service gas, oil, steam, combi, and hydronic boilers throughout Flatlands, checking for corrosion, leaks, and wear at every visit.
Call Petri Plumbing, Heating, Cooling & Drain Cleaning to schedule heating service in Flatlands.
Drain & Sewer Services in Flatlands
Larger lots often mean longer sewer lateral runs from the house to the street, which can mean more opportunity for tree roots and debris to work their way in over time. Petri provides complete drain and sewer service throughout Flatlands, from routine cleaning to full sewer line replacement.
- Drain Cleaning: We clear clogged sinks, showers, toilets, and main lines throughout Flatlands, removing buildup household tools can’t reach and identifying why clogs keep coming back.
- Sewer Cleaning: We clear main line clogs caused by grease, sludge, tree roots, and debris, which matters especially in Flatlands where mature trees are common along longer sewer laterals.
- Hydro Jetting: High-pressure water breaks up tough clogs and root intrusion while scouring pipes clean, without chemicals.
- Sewer Line Repair: We assess cracked, offset, corroded, or root-invaded sewer lines and repair them using trenchless methods when possible.
- Sewer Line Replacement: When a line is too damaged to repair, we replace it using modern, efficient techniques, including trenchless options.
- Sewer Inspections: Using a waterproof camera, we locate clogs, roots, cracks, and low spots inside sewer lines without unnecessary digging.

Why Flatlands Homeowners Choose Petri
At Petri, we focus on doing quality work and making the whole experience better, from your first call to the final walkthrough.
Here’s what Flatlands homeowners can expect from us:
- Family-owned and trusted since 1906, with four generations of hands-on experience
- Licensed, certified, and insured technicians
- 24/7 emergency service, with same-day booking often available
- Upfront, transparent pricing with no hidden fees
- 100% satisfaction guarantee on every job we complete
- Respect Your Home guarantee, so we leave things as clean as we found them
- A long-standing, eco-conscious approach to plumbing and HVAC work
- ENERGY STAR, EPA, and WaterSense partner
- Financing options available for bigger projects
- Local know-how built around Flatlands’ homes and Brooklyn’s climate
Plumbing Services in Flatlands
From a leaking pipe to a full plumbing overhaul, Petri covers residential plumbing work throughout Flatlands. Our licensed plumbers show up on time, take a real look at what’s going on, and explain their findings before recommending anything.
Plumbing Repair in Flatlands
Leaking pipes, dripping faucets, clogged drains, running toilets, and low water pressure all get handled quickly by our Flatlands plumbing team, working to restore your plumbing and prevent further damage.
Plumbing Maintenance & Inspections in Flatlands
Routine inspections catch leaks, corrosion, and worn components long before they become expensive repairs. We provide thorough plumbing maintenance throughout Flatlands for homeowners, buyers, and renovation projects, evaluating pipes, fixtures, valves, and water heaters.
Plumbing Installation & Replacement in Flatlands
Whether you’re remodeling a bathroom or upgrading your entire plumbing system, Petri handles installation and replacement throughout Flatlands, including pipes, faucets, sinks, toilets, water heaters, and shut-off valves, all installed to code.
Additional Plumbing Services
- 24-Hour Emergency Plumbing: We’re available around the clock for burst pipes, major leaks, sewage backups, and other urgent plumbing problems throughout Flatlands.
- Burst Pipe Repair: We locate the damaged section, stop the leak, and repair or replace what’s needed.
- Frozen Pipes & Winter Plumbing: We safely thaw frozen pipes, repair resulting damage, and help insulate vulnerable areas.
- Leak Detection & Repair: We track down hidden leaks behind walls and beneath floors with minimal disruption.
- Water Heater Services: We repair, maintain, install, and replace tank and tankless water heaters.
- Water Softeners & Treatment Systems: We install and service equipment that reduces mineral buildup and improves water quality.
- Gas Line Services: Our licensed professionals install, repair, and inspect gas lines for ranges, water heaters, and appliances.
- Emergency Valve Tagging: We clearly label your shut-off valves so you can act fast during an emergency.
Call Petri Plumbing, Heating, Cooling & Drain Cleaning to schedule plumbing service in Flatlands.
Frequently Asked Questions
How often should I get my HVAC system serviced in Flatlands?
At least once a year, though twice a year is even better given the extra wear salt air can put on outdoor equipment. Regular service keeps your system efficient and helps prevent breakdowns.
How often should I change my air filters?
Every three months is standard. Larger homes with bigger systems may need more frequent checks if certain rooms seem to get less airflow than others.
Should I repair or replace my HVAC system?
If your system struggles to heat or cool your whole home evenly, or needs frequent repairs, replacement often makes more sense, especially for a system that was undersized from the start. Air conditioners and heat pumps typically last 10 to 15 years, furnaces and boilers 15 to 20.
Why does one part of my house feel warmer or colder than the rest?
This is common in larger homes and can point to duct issues, an undersized system, or airflow blockages. A technician can assess your specific layout and recommend a fix, whether that’s duct sealing, a zoned system, or equipment replacement.
How can I improve indoor air quality in a larger home?
Whole-home filtration, air purifiers, and proper ventilation all help circulate cleaner air throughout bigger spaces. Petri can test your Flatlands home’s air quality and recommend the right setup.
Do you offer emergency service in Flatlands?
Yes, 24/7, with same-day booking often available for urgent plumbing, heating, cooling, and sewer problems.
How do I know if I have a hidden water leak?
A rising water bill, damp spots on walls or floors, musty odors, or low water pressure are all worth investigating with professional leak detection.
What’s the difference between drain cleaning and sewer cleaning?
Drain cleaning addresses a single clogged fixture. Sewer cleaning deals with the main line carrying wastewater away from your entire home, which is more likely to be affected by root intrusion in a neighborhood with mature trees and longer lateral lines.
When should I get a sewer inspection?
Before buying a home, before a planned repair, or if you’re dealing with recurring clogs or odors. A camera inspection shows exactly what’s happening inside the line.
How do I choose the right home services company in Flatlands?
Look for a company that’s licensed and insured, comes recommended locally, and has experience with larger single-family homes. Petri checks all of those boxes.

Had an issue with my kitchen sink that was leaking underneath after trying to plunge a slow drain. The drainage pipes were in bad shape. Corroded and leaky. Thought I could tackle it myself but quickly realized I needed expert hands for this job. It was Sunday and I gave a call
Joe was absolutely wonderful. He was professional, knowledgeable, and incredibly helpful throughout the entire process. He went above and beyond to make sure we had everything we needed here, kept me updated every step of the way, and followed through on everything he said he
Simply fabulous. I couldn’t recommend Petri Plumbing more. They came same day to do a diagnostic review and fix my central AC system. Completely professional and incredibly knowledgeable. My technician was Joseph Fantasia, who in addition to being a lovely person, explained the
Contact Us Today
Ready for top-notch plumbing or HVAC service in New York? Look no further. Petri Plumbing, Heating, Cooling & Drain Cleaning has been the trusted plumber and HVAC company New York homeowners have relied on since 1906. Whether you’re dealing with a plumbing emergency, a heating issue, or need a new cooling system installed, our team is ready to help across Brooklyn, Queens and Manhattan. Same-day appointments are often available. Fill out the form below or call us now to get on the schedule today.
