Plumbing, Electric, Heating & Cooling in Duluth
Duluth homeowners call us for plumbing, electrical, heating and air conditioning, from Sugarloaf to Old Peachtree, with the price agreed first.
- Local since 1985
- Answered day or night
- Upfront pricing

Plumbing, Electrical, Heating & Air Conditioning in Duluth, GA
For more than four decades, Keep Smiling Plumbing, Electric, Heating and Cooling has helped Gwinnett County homeowners keep their houses running, and Duluth is a big part of that story. We handle plumbing, electrical, heating, and AC under one roof. That makes it easy to get help, whether it’s a burst supply line in Sugarloaf Country Club or a heat pump that quits on a February night near Old Peachtree. Our licensed technicians are background checked and drug screened. They walk you through what they find and give you honest options with a written price before any work begins.
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A burst supply line in Sugarloaf Country Club and a heat pump that quits near Old Peachtree get the same team. Pick the trade you need.
Duluth Plumbing Services
We fix leaks, install tank and tankless water heaters, repipe ’80s and ’90s homes, and camera-inspect drains and sewer lines.
Read More →Duluth Electrical Services
Panel upgrades, wiring repairs, lighting, surge protection, and EV chargers, plus Generac generators that start on their own.
Read More →Duluth AC Repair and Installation
Duluth summers are long and humid. We handle AC repairs, tune-ups, replacements, mini splits, and refrigerant leaks.
Read More →Duluth Heating Services
Winters here are short, but a cold night without heat feels long. We repair, maintain, and replace gas furnaces and heat pumps.
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Duluth Plumbing Services
Keep Smiling opened as a plumbing company in 1985, and our plumbers still bring that experience to every Duluth home they visit. We fix leaking pipes and fixtures, install tank and tankless water heaters, and repipe older homes. We also handle gas line work, water filtration, and full drain and sewer service, including camera inspections. Before we recommend anything, we make sure we’ve found the true source of the problem. See our complete plumbing services lineup for more.
Signs You Need a Duluth Plumber
- Your water meter keeps spinning when nothing in the house is running
- Hot water turns lukewarm halfway through a shower
- You hear a rumbling or popping sound from the water heater
- Toilets bubble when the washing machine drains
- Faucets sputter air or the water has a metallic taste
- You find white crust or green corrosion on exposed pipe fittings
Current offerUp to $1,000 offany Daikin Fit heating and cooling system
Time for a new system? Ask about financing.
Complete heating and cooling systems with financing through our trusted partners — approval takes minutes, and the payment is one you can actually plan around.
View OptionsAdvantages of Hiring a Licensed Plumber
- Stop damage before it spreads: Water travels farther than you’d expect inside walls and floors, so a prompt repair can save cabinets, drywall, and flooring.
- Cut wasted water and energy: A dripping fixture or an inefficient water heater adds up month after month, and fixing them puts that money back in your budget.
- Fixes built to last: We solve the underlying problem rather than patching it, which means fewer repeat calls.
- Warranty you can see: Our plumbing work is backed in writing, so you aren’t left guessing about coverage.
- Smart upgrade choices: When a water heater is wearing out, we’ll compare tank and tankless options with you and help you weigh the long-term savings.
Common Plumbing Concerns in Duluth Homes
Much of Duluth’s housing went up in the 1980s and 1990s as the city grew along Peachtree Industrial Boulevard and Pleasant Hill Road. Homes from that period sometimes still have polybutylene supply lines. That gray plastic pipe breaks down over time and tends to fail at the fittings. Plenty of these houses are on their second or third water heater, and some original copper lines are starting to develop pinhole leaks. Closer to the Chattahoochee River, heavy rain and saturated clay soil can put extra pressure on sewer laterals. Mature hardwoods in established neighborhoods send roots into older pipe joints. Cold snaps are rare but sharp, and pipes in exterior walls and garages can freeze when temperatures plunge overnight.

Duluth Electrical Services
Our licensed electricians help Duluth homeowners with everything from flickering lights to full electrical overhauls. We upgrade and replace panels, repair faulty wiring, install lighting and outlets, add whole-home surge protection, and set up EV chargers. We also install and test smoke and carbon monoxide detectors. Because we’re a Generac dealer, we can recommend, install, and service a standby generator that turns on automatically during an outage. Explore our electrical services for the full list.
Call (770)-273-9090Why Upgrading Your Electrical System Makes Sense
Signs Your Home’s Wiring Needs a Professional
- Switch plates feel warm to the touch
- You hear a faint buzzing or crackling from outlets
- Your home still has a fuse box or a Federal Pacific panel
- Bathroom and kitchen outlets don’t have GFCI protection
- Lights flicker on windy days or when appliances cycle
- Power strips are plugged into power strips just to get by
A lot of Duluth homes are running decades-old electrical systems while asking them to do much more. An upgrade brings your home in line with how your family lives now.
- Reduced fire hazards: New breakers and updated wiring take some of the most common fire risks out of your walls.
- Capacity for what’s next: An upgraded panel makes room for an EV, a home gym, or a kitchen remodel.
- Protection from storm surges: Whole-home surge protection helps keep lightning spikes away from your TVs, computers, and HVAC equipment.
- Comfort during outages: A Generac standby generator keeps your heating, cooling, and refrigerator going until the grid comes back.
- Fewer surprises at inspection: Up-to-date electrical work helps your home pass a buyer’s inspection when it’s time to sell.
Electrical Issues We Find in Duluth Homes
Homes built in Duluth during the ’80s and ’90s often still have their original 100 or 150 amp service. That was plenty back then, but it gets tight once you add an electric car, a home office, and a larger heat pump. Some homes from that era have Federal Pacific or Zinsco panels, which have known safety problems and are worth replacing. Aluminum branch wiring shows up occasionally too, and it needs special connectors to stay safe. Summer storms rolling across Gwinnett bring lightning that can send surges through your service line. Ice storms and high winds can down trees and power lines across the area, which is why more Duluth families are adding standby generators.
Your air conditioner probably runs more hours here than almost any other appliance in your home. Taking care of it, or replacing it at the right time, pays off.
- A home that feels comfortable: Proper airflow and refrigerant levels let your system remove humidity, so cool air feels dry and pleasant.
- Lower monthly costs: A clean, well-adjusted system uses less electricity to reach the same temperature.
- Fewer breakdowns in July: Tune-ups catch weak capacitors and worn parts before they fail on the hottest day of the year.
- Healthier indoor air: Upgraded filters and air cleaners reduce dust, pollen, and pet dander throughout the house.
- Real savings with an upgrade: Swapping out an aging or R-22 system for a high-efficiency model can noticeably cut energy use and bring new warranty coverage.
Duluth’s cooling season often starts in April and runs into October, and the humidity rising off the Chattahoochee corridor makes the air feel heavier still. Systems that can’t keep up with moisture leave homes cool but damp, which can lead to musty smells. Condensate lines clog with algae and sludge in that warm, wet air, causing leaks around the indoor unit. Spring pollen collects on outdoor coils and reduces efficiency until someone washes it away. Many homes here still have systems from the early 2000s or older, and replacing R-22 refrigerant in those units has become expensive. Months of near-constant running also wear down fan motors and capacitors faster than in milder climates.
Duluth Heating Services
Duluth winters are short, but a cold night without heat feels long. Keep Smiling repairs, maintains, and replaces gas furnaces and heat pumps across the city. We’re a Bryant Factory Authorized Dealer and we work on most other major brands as well. If your system is acting up, we’ll diagnose it and explain whether a repair or replacement gives you the better value. Visit our heating services page to learn more.
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Signs Your Furnace or Heat Pump Needs Service
- The heat takes much longer than usual to warm the house
- Your heat pump’s outdoor unit is caked in ice that won’t melt off
- Vents blow air that feels barely warm
- The furnace clicks repeatedly but won’t light
- Dust and dry air seem worse every winter
- The system is more than 15 years old and needs repairs often
Duluth AC Repair and Installation
Duluth summers are long and humid, and a weak air conditioner makes them feel even longer. Our HVAC technicians handle AC repair, seasonal tune-ups, and full system replacements. We also install ductless mini splits, fix refrigerant leaks, and upgrade indoor air quality. We’ll give you a straight answer about whether your current system is worth repairing, with options at different price points. Our air conditioning services page has the details.
Signs Your Air Conditioner Is Struggling
- The AC runs all afternoon but the house never feels cool
- You hear grinding, squealing, or clanking from the outdoor unit
- The condensate drain pan is overflowing
- Some vents push strong air while others barely move any
- Indoor humidity stays high even with the system running
- The breaker for your AC trips during heat waves
Our Service Process in Duluth
- Contact Us: Schedule online or call anytime. Calls are answered day or night and we get you booked quickly.
- Your Technician Arrives: Expect a uniformed, screened professional driving a clearly marked Keep Smiling truck.
- Thorough Diagnosis: We inspect your system and explain the problem without technical jargon.
- Upfront Options: You’ll get a written price for each choice, and you decide how to proceed.
- Careful Work: We protect your floors and furniture, finish the job, and clean up afterward.
- Final Walkthrough: We test the results, answer your questions, and provide your warranty in writing.
Neighborhoods We Serve in Duluth
Duluth has a little bit of everything, from established family neighborhoods off Pleasant Hill Road to the gated streets of Sugarloaf Country Club. We’ve been inside homes in just about every corner of the city. That means we usually know what kind of plumbing, wiring, and HVAC equipment to expect before we knock. A few neighborhoods where you’ll see us often:
- Old Peachtree
- Sugarloaf Country Club
- Duluth North
- Rogers Mill
- Chattahoochee Reserve
- Howell Glen
Why Duluth Families Trust Keep Smiling
Keep Smiling began in 1985 as a small plumbing shop that grew through referrals and repeat customers. Today our licensed plumbers, electricians, and HVAC technicians serve Duluth homes with the same focus on honesty and good work. Every technician is background checked and drug screened, and they show up in uniform ready to explain your choices. We’re a Bryant Factory Authorized Dealer and a Generac dealer, and we’re proud to be Best of Gwinnett, BBB accredited, and Google Guaranteed. We serve Duluth from our Loganville headquarters, along with Johns Creek, Suwanee, Peachtree Corners, and more. Georgia License #: MP210191 | CN210975 | EN217959.
Pricing and Financing Options in Duluth
No two homes are exactly alike, so the price of a repair or installation depends on what your home needs. System size, fuel type, accessibility, code requirements, and warranty length all affect the final number. Your technician gives you that number in writing before starting, and that’s the price you pay. For bigger projects, Keep Smiling offers financing through Service Finance and Chowder. That includes a replacement furnace, a tankless water heater, a panel upgrade, or a whole-home generator. Talk with your technician or our customer service team to find a payment plan that works. Learn more on our financing page.
Plumbing, Electrical and HVAC Services in Duluth FAQs
Why people keep calling Keep Smiling.
★★★★★“He was excellent. Very knowledgeable. Pleasant demeanor. He assessed the issue, got it fixed quickly.”
Rated 4.9 stars across 4,334+ Google reviews by neighbors across Northeast Atlanta. Reviews shown are representative of Keep Smiling’s Google profile.
Write a Review (opens in a new tab)Serving Northeast Atlanta, county to county.
10 counties, 54 cities, one crew that works the same way in all of them. A truck from us is a truck from us wherever you are.
- AlpharettaFulton County
- BufordGwinnett County
- DuluthGwinnett County
- DunwoodyDeKalb County
- GainesvilleHall County
- Johns CreekFulton County
- LawrencevilleGwinnett County
- LoganvilleGwinnett & Walton County
- MonroeWalton County
- Peachtree CornersGwinnett County
- SnellvilleGwinnett County
- SuwaneeGwinnett County
…and 42 more across Barrow, DeKalb, Forsyth, Fulton, Gwinnett, Hall, Jackson, Newton, Rockdale and Walton County.
Get Help From a Duluth Team You Can Count On
When the hot water quits, the lights won’t stop flickering, or the heat pump freezes up on a cold night, Keep Smiling is a call away. You’ll get a background-checked technician, a clear explanation, and a written price you approve before we start. Schedule your service online, and let us take care of the rest.
(770) 273-9090
