Factory-Authorized · Family-Owned Since 1974

Appliance Repair in Duncan, South Carolina

A broken appliance in Duncan doesn’t have to mean days without a washer, refrigerator, or range. Authorized Service Inc. sends factory-trained technicians directly to your door across Duncan and South Carolina — we diagnose honestly, quote upfront, and get it done.

50+
Years in Business
4.8 ★
2,700+ Reviews
In-Home
Service Only
Factory
Authorized
Trusted Local Service

Why Duncan Chooses Authorized Service Inc.

Authorized Service Inc. is a third-generation family business based in Greer, SC — and we’ve been the factory-authorized appliance repair company for Duncan and the surrounding South Carolina area for over 50 years. Our technicians hold factory authorization from Whirlpool Corporation covering Whirlpool, KitchenAid, Maytag, Jenn-Air, Amana, and more. They arrive stocked with the parts most commonly needed so your repair gets done in one trip.

In-home service only — no drop-off required, we come to your Duncan home
Factory-trained, certified technicians authorized by Whirlpool Corporation
Upfront pricing — full quote before any work begins, no hidden charges
Background-checked, drug-tested service professionals
Licensed, insured, and bonded
Three-generation family business serving South Carolina since 1974
Repairs guaranteed — 30-day labor, 1-year parts
How It Works

Service in 3 Simple Steps

01
Book Online or Call

Schedule at authorizedserviceinc.com or call (800) 779-0252. We’ll confirm your Duncan appointment and send a reminder.

02
Tech Arrives & Diagnoses

A factory-trained technician comes to your Duncan home, fully equipped. We diagnose the problem completely and give you a full quote before any work begins.

03
Review Quote & Approve

You approve the quote, we fix it — and every repair is backed by a 30-day labor warranty and a 1-year parts warranty.

Frequently Asked Questions

Appliance Repair Duncan — FAQs

What appliances does Authorized Service Inc. repair?
We repair refrigerators, washers, dryers, dishwashers, ranges, cooktops, wall ovens, microwaves, ice machines, range hoods, warming drawers, garbage disposals, trash compactors, and more — all in your Duncan home.
Do you offer upfront pricing?
Yes — always. Our technician diagnoses the problem first, then gives you a complete repair quote before any work begins. You decide whether to proceed, and if you do, that quoted price is what you pay. No surprise charges, no add-ons after the fact.
Are your technicians background-checked?
Yes — all Authorized Service Inc. technicians are background-checked, drug-tested, and factory-trained before they ever enter a customer’s home. We are also licensed, insured, and bonded for your protection.
Verified Customer Reviews

Duncan, South Carolina Customer Reviews & Recent Jobs

See All Reviews →

Appliance Repair Duncan South Carolina

ASI Authorized Service Inc Rated 5.0 out of 5 stars based on 29 customer reviews

We serviced a
WHIRLPOOL DRYER
Model WED4815EW1
Near Duncan, South Carolina 29334
Chris
Job Details: 07/22/2026
Found broken belt. Replaced from stock. Unit check is ok
We serviced a
MAYTAG WASHER
Model MVW5435PW1
Near Duncan, South Carolina 29334
Chris
Job Details: 07/06/2026
Unit is stuck in boot loop. Ordeing for repair ; ordrng 1 W11735316 (Control) and 1 W11675700 (Encoder) and 1 W11643701 (Harness)
We serviced a
MAYTAG WASHER
Model MVW5435PW1
Near Duncan, South Carolina 29334
Chris
Job Details: 07/06/2026
Unit is stuck in boot loop. Ordeing for repair ; ordrng 1 W11735316 (Control) and 1 W11675700 (Encoder) and 1 W11643701 (Harness)
We serviced a
MAYTAG DRYER
Model MED7205RF0
Near Duncan, South Carolina 29334
Chris
Job Details: 06/30/2026
Installed new parts. Ran unit for leaks . Unit has no leaks . Unit Check is ok.
We serviced a
MAYTAG DRYER
Model MED7205RF0
Near Duncan, South Carolina 29334
Chris
Job Details: 06/30/2026
Installed new parts. Ran unit for leaks . Unit has no leaks . Unit Check is ok.
We serviced a
WHIRLPOOL RANGE
Model WFG320M0MS0
Near Duncan, South Carolina 29334
Chris
Job Details: 06/25/2026
Installed new control. Unit check is ok
We serviced a
WHIRLPOOL RANGE
Model WFG320M0MS0
Near Duncan, South Carolina 29334
Chris
Job Details: 06/25/2026
Installed new control. Unit check is ok
We serviced a
MAYTAG LAUNDRY CENTER
Model MTW7200RF1
Near Duncan, South Carolina 29334
Chris
Job Details: 06/24/2026
"When heavy duty cycle is selected unit will power off . Replaced auto and control correctly by changing UI first , programming than control, unit still does the same thing. No voltage drop at control. Outlet checks ok . All connections check ok . Called tech line and spoke with Andrew . Went through multiple dams calibration and service cycles. All pass. No faults. Unit still fails . Model and serial is updated in menu, sent photos to tech line. Tech line advised unit is going up for review. Case number is 23970142"
We serviced a
MAYTAG DRYER
Model MED7205RF0
Near Duncan, South Carolina 29334
Chris
Job Details: 06/24/2026
Ui is broken in box . will re order ;
We serviced a
MAYTAG LAUNDRY CENTER
Model MTW7200RF1
Near Duncan, South Carolina 29334
Chris
Job Details: 06/24/2026
"When heavy duty cycle is selected unit will power off . Replaced auto and control correctly by changing UI first , programming than control, unit still does the same thing. No voltage drop at control. Outlet checks ok . All connections check ok . Called tech line and spoke with Andrew . Went through multiple dams calibration and service cycles. All pass. No faults. Unit still fails . Model and serial is updated in menu, sent photos to tech line. Tech line advised unit is going up for review. Case number is 23970142"
Duncan, South Carolina
WHIRLPOOL REFRIGERATOR
WRFF3536SZ01
He was very knowledgeable, courteous and professional. He answered my questions in a patient and polite manner. He got our refrigerator back to working order. I think he is an asset to your company.
Thank you so much for your kind words, James! We're thrilled to hear that Chris provided you with excellent service and that your refrigerator is now in working order. We appreciate your feedback and will be sure to pass along your compliments to Chris. Thank you for choosing ASI Authorized Service Inc.!
06/24/2026
Anna
Duncan, South Carolina
MAYTAG WASHER
MVW5430MW1
Sam was professional and fast! He explained what was wrong in a way I could understand. He is awesome!
Thank you for your kind words, Anna! We're glad to hear that Sam provided you with professional and efficient service. We strive to ensure our customers have a positive experience with our technicians. Thank you for choosing ASI Authorized Service Inc!
03/25/2026
Ginger
Duncan, South Carolina
MAYTAG REFRIGERATOR
MFT2772HEZ04
Chris was excellent in diagnosing our problem and then repairing it
Thank you, Ginger, for your kind words! We're thrilled to hear that Chris provided you with excellent service and successfully repaired the issue with your MAYTAG refrigerator. We appreciate your feedback!
02/24/2026
Kevin
Duncan, South Carolina
WHIRLPOOL WASHER
WTW4957PW0
Chris was the technician that came out and repaired our washing machine for us and this guy was awesome!! Not only was he very knowledgeable and helpful, but he was extremely friendly. Thanks for all of your help guys!!
Thank you for your kind words, Kevin! We're thrilled to hear about your positive experience with Chris. Please don't hesitate to reach out if you need any further assistance.
01/16/2026
GRF
Duncan, South Carolina
WHIRLPOOL DRYER
WED8620HC2
Excellent service in every way !
Thank you, Randy! We're delighted to hear that you were pleased with our service on your Whirlpool dryer. If you ever need assistance in the future, feel free to reach out. Your satisfaction is our top priority!
11/21/2025
Gloria R
Duncan, South Carolina
WHIRLPOOL WASHER
WTW8127LW1
He was on time knew exactly what part was needed and fixed the problem quickly what more can you ask for!
Thank you, Gloria, for your kind words! We're thrilled to hear that Chris provided you with efficient and knowledgeable service. We appreciate your feedback and are here for you whenever you need us.
10/04/2025
Duncan, South Carolina
AMANA WASHER
NTW4516FW4
Quick, knowledgeable, and professional.
09/30/2025
Nicole
Duncan, South Carolina
WHIRLPOOL DISHWASHER
WDF331PAHS1
Chris was professional, courteous, friendly, very quick, and efficient.
Thank you for your kind words, Nicole! We are delighted to hear that Chris provided you with professional and efficient service. Your feedback is greatly appreciated!
09/25/2025
Duncan, South Carolina
JENN AIR RANGE
JES9750CAS01
Thank you for your feedback, Sandra! We're glad to hear that Matt was able to fix the issue with your right front burner and that it now operates correctly. If you have any further concerns or need assistance, please don't hesitate to reach out to us.
05/19/2025
B&P
Duncan, South Carolina
WHIRLPOOL OVEN
WOD51EC0HS01
We had a great experience with Chris at Authorized Service. He called us 30 min before he arrived . He was professional, friendly, knowledgeable and went right to work fixing our double oven appliance. We are very happy with the cost estimate and would highly recommend Chris if you need help with one of your appliances.
Thank you so much for the glowing review, Pam! We are thrilled to hear about your positive experience with Chris. Providing excellent service is our top priority, and we appreciate your recommendation. Please don't hesitate to reach out if you need assistance with any of your appliances in the future.
05/11/2025