In Cumming, GA, Comet Appliance Repair excels at Navien appliance repairs, delivering dependable service and lasting results. With years of hands-on experience, factory training, and industry certifications, our technicians diagnose quickly, fix right the first time, and back their work with solid warranties.
Call now for expert Navien service: (770) 215-0473. We are factory-trained and fully certified to handle boilers, heaters, and water heaters, ensuring safety, efficiency, and peace of mind for your home.
For Navien water heater repair in Cumming, GA 30041, our licensed technicians deliver fast, reliable service for Navien tankless systems. We specialize in diagnosing and repairing high-efficiency Navien units, covering installation support, component repair, ignition issues, and performance optimization to restore steady hot water. From routine maintenance to emergency fixes, our team helps homes and businesses in the Cumming area keep their hot water running smoothly.
Our Navien repair specialists handle common headaches such as intermittent hot water, error codes, pilot and burner problems, strange noises, and slow recovery times. We perform precise diagnostics, pressure and vent checks, and parts replacement using genuine Navien components to ensure safety and efficiency. Regular tune-ups prevent mineral buildup and extend the life of your unit.
Choosing us for Navien service means skilled technicians, transparent pricing, and dependable results. All Navien repairs are backed by a warranty of 90 Days Parts and Labor, giving you peace of mind after the service visit.
Call or schedule online today to take advantage of our current offer: (770) 215-0473 and save $25 OFF First Time Customers on your Navien repair. Our team will confirm availability and provide a clear estimate before any work begins.
We work every day from 6 AM - 10 PM to respond quickly to Navien water heater repair needs, offering timely same-day service when possible and flexible appointment options to fit your schedule.
Fast, same-day repairs for appliances and HVAC in Cumming, GA 30041.
Local, certified pros for fast, reliable appliance & HVAC service in Cumming, GA.
Trusted appliance & HVAC repairs by licensed, insured pros in Cumming GA.
One-stop pros for appliance repair and HVAC, saving time & hassle in Cumming.
$25 OFF First Time Customers
Double Wall Oven Repair
Oven & Stove repair
Kegerator Repair
Freezer Repair
Refrigerator repair
Washing Machine repair
Buld-in Microwave Repair
Dishwasher repair
Dryer repair
Stackable Washer and Dryer Repair
Water Heater repair
Wine Cooler and Cellar Repair
Garbage Disposal repair
Air Conditioner Service
Termostat Repair
Furnace Repair
Yes. Our team specializes in Navien tankless water heater repair and maintenance for homes and businesses in Cumming, GA 30041 and the surrounding Forsyth County area. We diagnose hot-water issues, leaks, error codes, and efficiency problems, and perform Navien-approved repairs by licensed technicians.
Common Navien issues include no hot water or inconsistent temperatures, error codes, ignition or burner problems, strange noises, leaks, and reduced efficiency. We perform thorough diagnostics and use Navien-approved parts and procedures to restore safe, reliable operation.
We aim for same-day or next-day service in Cumming, GA 30041, with 24/7 emergency options for critical failures. Scheduling is based on availability, but we prioritize Navien repairs to minimize downtime.
Yes. We offer regular maintenance and tune-ups for Navien units, including filter checks, vent inspections, condensate drain checks, descaling where needed, and safety checks to keep your heater running efficiently year-round.
Yes. All technicians are licensed and insured, with factory-trained or Navien-certified credentials to ensure proper diagnosis and repair according to Navien specifications and local codes.
Before arrival, locate your unit and note the model/serial number, clear the area around the unit, and if safe, shut off power and gas. Keep a list of symptoms or error codes to help our technician diagnose the issue quickly.
We assess each case to decide between repair or replacement. If a component is under Navien warranty or the unit is aging with frequent failures, we’ll explain options, provide transparent pricing, and help you choose the most cost-effective solution.
| Service / Item | Typical Cost Range (Cumming, GA) | Notes |
|---|---|---|
| Service call / diagnostic | 70 - 120 | In-home inspection; some shops waive if repair proceeds |
| Labor (hourly rate) | 85 - 150 | Typical residential tankless repair rate; duration varies by issue |
| Navien tankless flush / descaling | 100 - 300 | Removes mineral buildup; may be bundled with maintenance |
| Igniter replacement | 150 - 350 | Includes parts and labor |
| Gas valve replacement | 350 - 800 | Labor plus valve price; depends on model |
| Heat exchanger replacement | 900 - 1800 | High-cost repair; may approach replacement of unit |
| Vent / condensate line cleaning | 100 - 250 | Clears blockages and improves venting |
| Thermostat / sensor replacement | 120 - 300 | Includes sensor/thermistor replacement |
| Expansion valve / safety relief valve replacement | 150 - 400 | Valve replacement or reseating |
(770) 215-0473
