Furnaces
Furnace repair, maintenance and replacement for gas and electric systems, diagnosed properly and priced before anything is taken apart.
- Local since 1985
- Answered day or night
- Upfront pricing
Furnace Services in Loganville, GA
Furnace services cover everything it takes to keep your home warm through a Georgia winter, from diagnosing a furnace that won’t fire up to installing a new, more efficient system when the old one has run its course. Keep Smiling Plumbing, Electric, Heating and Cooling has been serving Loganville since 1985, and furnace repair, replacement, and maintenance are at the center of our heating services. Whatever your furnace needs, our technicians explain what they find in plain language and give you upfront pricing before any work begins.
Book ServiceSigns Your Furnace Needs Attention
- Cold or lukewarm air blowing from the vents when the heat is on
- Some rooms stay chilly while others feel too warm
- The furnace turns on and off in short bursts
- Rattling, squealing, or booming sounds when the burners ignite
- A yellow or flickering burner flame instead of a steady blue one
- Heating bills rising faster than the cold weather explains
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 Options
Furnace Services We Provide
Whether your furnace needs a quick fix or a complete replacement, our team handles the full life of the system:
- Furnace repair for igniters, flame sensors, blower motors, control boards, and more
- Furnace installation and replacement with properly sized, high-efficiency equipment
- Annual heating maintenance and tune-ups
- Safety inspections, including heat exchanger and carbon monoxide checks
- Gas line connections and repairs for new or relocated furnaces
- Thermostat troubleshooting and upgrades to keep your furnace running on schedule
Benefits of Upgrading to a New Furnace
An aging furnace has a way of making itself known. It’s louder than it used to be, it takes forever to warm the house, and every winter seems to bring another repair bill. Swapping it out for a modern system changes how your home feels from the first cold morning, and the advantages keep paying off season after season:
- Higher efficiency ratings that turn more of every fuel dollar into actual heat
- Even, steady warmth from multi-stage and variable-speed models that adjust to the weather instead of blasting on and off
- Quieter operation, so you notice the comfort and not the furnace
- Updated safety features that give you more peace of mind about combustion and carbon monoxide
- A fresh manufacturer warranty and years of reliable service ahead
Types of Furnaces and How to Choose
The right heating system depends on your home’s size, layout, fuel source, and how long you plan to stay. These are the options we install most often:
- Single-stage gas furnaces: dependable and budget-friendly, running at full power whenever they’re on
- Two-stage gas furnaces: a lower setting for mild days and full power for cold snaps, with more even comfort
- Variable-speed gas furnaces: fine-tuned heat output and airflow for the quietest, most efficient operation
- Electric furnaces: a practical choice for homes without natural gas service
- Heat pumps and dual-fuel systems: efficient heating and cooling in one, well suited to Georgia’s mild winters
Before recommending anything, we size the system to your home so it heats evenly without wasting energy. Your technician will lay out a few options side by side so you can choose the balance of upfront cost and long-term savings that fits.
Book Service
Should You Repair or Replace Your Furnace?
Most furnaces last 15 to 20 years, so age is a good first filter. If yours is under 15 years old and the repair is minor, fixing it is usually the better value. Once a furnace passes 15 years, needs repairs every season, or can’t keep the house comfortable anymore, replacement often saves money over time. That’s especially true when a major part like the heat exchanger or blower motor fails on an older unit.
Safety matters here too. A cracked heat exchanger can allow carbon monoxide into your home, and in an older furnace it almost always means replacement. Whatever we find, we’ll show you the costs of both paths so you can make the call with all the facts.
Common Furnace Problems in Loganville
Loganville winters are mild for the most part, but they bring sudden cold snaps that push furnaces from idle to full effort overnight. Months of sitting unused through a long, humid summer can leave parts dirty or weak right when you need them most. These are the furnace issues we see most often around town:
- Dirty flame sensors that shut the burners off shortly after they light
- Igniters that fail on the first cold night of the season
- Dust burning off the burners and heat exchanger at startup
- Clogged filters loaded with pollen and dust that choke airflow
- Control boards damaged by storm-related power surges
What to Expect From Our Furnace Service
- Reach out online or by phone, and we’ll set up a visit at the soonest time that works for you.
- Your technician listens to what’s been happening and inspects the furnace, burners, airflow, venting, and thermostat.
- We walk you through the findings and give you written, upfront pricing, with repair and replacement options when both make sense.
- Once you give the go-ahead, we complete the repair or install your new furnace and protect your home as we work.
- We fire up the system, check heat output, safety controls, and venting, and confirm warm air is reaching every room.
- Before we leave, we answer your questions and let you know how to keep the furnace running well for years to come.
Furnace Service in Neighborhoods Across Loganville
When the first real cold front rolls through, our phones light up from every corner of Loganville. Newer communities like Windance Lake usually just need a tune-up to stay on track. In established neighborhoods like Brushy Fork and Bay Creek, though, plenty of furnaces have been working for well over a decade, which is where a careful inspection really pays off. Wherever you live in town, we’re close by. Here are some of the neighborhoods we’re in all winter long:
- Brushy Fork
- Windance Lake
- Tara Club Estates
- Independence
- Haynes Creek
- Bay Creek
- Keep Smiling
- Brushy Fork
- Independence
- Bay Creek
Furnace Costs and Financing Options
Furnace repairs are easy to price once we’ve diagnosed the problem, and you’ll always see that price in writing first. A new furnace is a bigger investment, and the cost depends on a few key factors:
- Furnace type, efficiency, and staging
- Home size and heating capacity needed
- Ductwork, venting, and gas line updates
- Warranty coverage
We offer financing through Service Finance and Chowder to make replacement easier on your budget. Keep Smiling Club members also get an annual heating tune-up, 10% off repairs, and 5% off new system installations.
Why Choose Keep Smiling for Furnace Service in Loganville
Founded in Loganville in 1985, Keep Smiling Plumbing, Electric, Heating and Cooling repairs, maintains, and installs furnaces for homeowners across Gwinnett and Walton counties. Our team is a Bryant Factory Authorized Dealer, so the furnaces we install are backed by factory-level training and support. We’re licensed for heating and air work in Georgia under Conditioned Air License CN210975, and every technician who comes to your door has been drug screened and background checked. Our neighbors named us Best of Gwinnett in 2025, and since we’re based right here in town, help is always close by when the temperature drops.
Furnaces in Loganville 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.
Stay Warm All Winter Long
A reliable furnace means you never have to think twice about turning up the heat on a frosty night. Whether yours needs a quick repair, a seasonal tune-up, or a full replacement, our team will give you honest answers and clear options. Schedule your furnace service with Keep Smiling and settle in for a warm, comfortable winter.
(770) 273-9090