Standby Generator Installation and Maintenance in East Texas
Need reliable backup power now? We install and maintain home standby generators across East Texas with expert, personalized service. As a family-owned team since 1992, we hold an A+ BBB rating and a 4.8 score from 694 reviews. Serving East Texas, including Tyler, Longview, and Texarkana. Ask about current offers, like up to $2,025 off and free first-year remote monitoring, and schedule before storm season. Get started with a free, instant estimate or call 888-577-7147.
Each image is a real worksite photo, reflecting the quality and dedication in every project.
Special Offers & Promotions
Save up to $2,026 on a new generator
- installation
Free site evaluation to help select the right standby generator
- On-site inspection and consultation
- Turnkey installation
Free instant generator cost estimate online via Tri-State's generator estimator tool.
- instant online estimator
Free instant generator cost estimate online tailored to your home's size and backup power needs.
- Instant online estimate
Save up to $2,026 on a new generator from Tri-State Water, Power & Air.
- unknown
Kohler – 10 year warranty – $1,400 Value
- 10 year warranty
Generac – 7 year warranty – $735 Value
- 7 year warranty
1st year of Maintenance and Monitoring Free with Purchase of a Generator
- 1st year maintenance and monitoring free
"Limited Time Offer! Save Up To $2,026 On A New Generator. Special offer for this month only. GET A FREE QUOTE."
Why Choose Us
What Our Customers Say
"The installation was much easier than I expected. I would recommend Tri-State for your generator installation."
"Kael was super nice and did a great job on the installation of my Generac generator."
"He did the maintenance on the generator and was kind enough to answer several questions I had."
Answers to Common Questions
View All FAQsHow much does whole house generator installation typically cost?
Whole-house generator installation costs vary by system size, scope, and site conditions, so we confirm pricing after a free on-site evaluation. Our specialists size your system by appliance demand, not square footage. We install Generac and KOHLER units from 12 kW to 80 kW with automatic transfer switches, often in 1 day. Options include natural gas or liquid propane. Financing and seasonal promotions are available, including up to $1,500–$2,025 off with free first-year remote monitoring and maintenance. We serve Tyler, Longview, and nearby.
<br/> Updated: 2025-12-30 00:00:00 <br/>Need help in Tyler, TX? Call (877) 301-7693 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNOdkszSXVnRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICNvK3IugE%7CCgwI8IOHrQYQ0JTTwgE%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNEbTRXdDVnRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICDm4Wt5gE%7CCgwIzvqssAYQsPeClwE%7C[2] https://tristatewhywait.com/location/st-louis-office/[3] https://tristatewhywait.com/blog/[4] https://tristatewhywait.com/generators/generac-standby-generators/[5] https://tristatewhywait.com/generators/[6] https://tristatewhywait.com/How much does standby generator repair typically cost?
Standby generator repair cost is confirmed only after a technician diagnoses the issue on site. Most repair bills are driven by what failed and how long the fix takes, from simple electrical faults to parts-related problems in the engine, controller, or transfer switch. Final pricing varies by parts availability, labor time, and whether service is scheduled or after hours; we offer 24/7 emergency generator service. We service homes in the Noonday area with licensed, factory‑trained technicians. Schedule a diagnostic visit so you get a firm, written quote before any work starts.
Typical cost drivers to expect:
- Replacement parts (battery, sensors, controller boards, regulators)
- Labor time and travel, including after‑hours or emergency visits
- Brand/model parts availability and transfer‑switch involvement
- Preventive service needed to restore reliable auto‑start
Always approve a written estimate after diagnosis to avoid surprise add‑ons. <br/> Updated: 2026-04-01 <br/> Need help in Noonday, TX? Call (877) 301-7693 or book online. "I am very happy with the Generac whole house back up generator." — Wanda L.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNWeWZtNDNRRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICVyfm43QE%7CCgwI_pjJqwYQ4OjUuwM%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNwa0puMzJ3RRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICpkJn32wE%7CCgwIsqqGpgYQgMqKqQE%7C[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNOdkszSXVnRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICNvK3IugE%7CCgwI8IOHrQYQ0JTTwgE%7C[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNEbTRXdDVnRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICDm4Wt5gE%7CCgwIzvqssAYQsPeClwE%7C[4] http://www.tristatewhywait.com/#mmenu[5] https://tristatewhywait.com/tankless-water-heaters/[6] http://www.tristatewhywait.com/#mm-2[7] https://tristatewhywait.com/ev-charging-stations/[8] https://tristatewhywait.com/generators/[9] https://tristatewhywait.com/[10] https://tristatewhywait.com/generators/standby-generator/[11] https://tristatewhywait.com/shop/How much does standby generator repair service typically cost?
Standby generator repair costs vary by the issue, required parts, and labor after an on-site diagnosis. A factory-trained technician will inspect your Generac or KOHLER unit and confirm pricing before work begins. We offer 24/7 emergency service; after-hours or rush repairs may affect the total. Ongoing maintenance plans and weekly systems checks help prevent major repairs. Service is available in Tyler and Longview, plus nearby communities.
- Diagnostic inspection to identify faults
- Parts availability and brand-specific components
- Emergency or same-day scheduling
Need help in Avinger, TX? Call (877) 301-7693 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNOdkszSXVnRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICNvK3IugE%7CCgwI8IOHrQYQ0JTTwgE%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNEbTRXdDVnRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICDm4Wt5gE%7CCgwIzvqssAYQsPeClwE%7C[2] https://tristatewhywait.com/location/st-louis-office/[3] https://tristatewhywait.com/blog/[4] https://tristatewhywait.com/generators/generac-standby-generators/[5] https://tristatewhywait.com/generators/[6] https://tristatewhywait.com/How much does it cost to install a standby generator at home?
The cost to install a home standby generator varies by generator size, fuel connection, and electrical tie-in, and Tri-State offers a free instant price estimate online plus a free site evaluation to confirm your exact quote. Most price differences come from kW capacity and whether you choose essential-circuit coverage or whole-home power. Turnkey installation can be completed in 1 day by licensed, factory-trained technicians. We install and service generators for homeowners in the Union Grove area.
Your final quote typically reflects:
- Selected capacity (options include 12 kW, 14 kW, 20 kW, 22 kW, 26 kW, and up)
- Integration with existing natural gas or propane
- Automatic transfer switch and electrical panel configuration
- Optional remote monitoring and maintenance plan details
Use the online estimator, then schedule the free site visit for a firm, written quote. <br/> Updated: 2026-03-12 <br/> Need help in Union Grove, TX? Call (877) 301-7693 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNEbTRXdDVnRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICDm4Wt5gE%7CCgwIzvqssAYQsPeClwE%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURyaXV2NDh3RRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgIDriuv48wE%7CCgwI8MDatAYQiMDzvQM%7C[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNOdkszSXVnRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICNvK3IugE%7CCgwI8IOHrQYQ0JTTwgE%7C[3] http://www.tristatewhywait.com/#mmenu[4] https://tristatewhywait.com/service-areas/[5] https://tristatewhywait.com/plumbing-services/drain-cleaning/[6] https://tristatewhywait.com/tankless-water-heaters/[7] https://tristatewhywait.com/generators/[8] https://tristatewhywait.com/[9] https://tristatewhywait.com/generators/standby-generator/[10] https://tristatewhywait.com/shop/How much does home standby generator repair typically cost?
There isn’t a flat price for generator repair; cost depends on the issue found, required parts, and labor time. Our factory‑trained technicians service Generac and KOHLER units (12–80 kW), including 24-7 emergency calls, which can affect pricing. A technician will confirm costs on site after diagnosis. We support customers across Tyler and Longview with ongoing maintenance, weekly system checks, and remote monitoring options.
Quick checks before we arrive:
- Have your model and size.
- Note any alarm codes or remote alerts.
- Share last maintenance date.
- Tell us if it’s natural gas or LP.
Need help in Avinger, TX? Call (877) 301-7693 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNOdkszSXVnRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICNvK3IugE%7CCgwI8IOHrQYQ0JTTwgE%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNEbTRXdDVnRRAB!2m1!1s0x0:0xc539a4c96dc8e1ce!3m1!1s2@1:CIHM0ogKEICAgICDm4Wt5gE%7CCgwIzvqssAYQsPeClwE%7C[2] https://tristatewhywait.com/location/st-louis-office/[3] https://tristatewhywait.com/blog/[4] https://tristatewhywait.com/generators/generac-standby-generators/[5] https://tristatewhywait.com/generators/[6] https://tristatewhywait.com/
Helpful Tips & Maintenance Advice
View All BlogsRed Lick, TX Standby Generator Installation & Maintenance Issues — Why It Won’t Start
Estimated Read Time: 12 minutes
When a storm rolls through East Texas and your standby generator won’t start, every minute without power feels longer. In this guide, our factory‑trained team explains the seven most common causes and the exact fixes we use in the field. You’ll learn what you can s...
Price, TX Standby Generator Installation & Maintenance Tips
Estimated Read Time: 9 minutes
Power is out and your generator is running, but the house is still dark. If your generator is not producing power, use this quick guide to find and fix the simple issues first, then decide if a pro is needed. We will walk you through safe checks any homeowner can do...
Marietta, TX Standby Generator Installation & Maintenance
Estimated Read Time: 9 minutes
If you’re researching how to install a whole house generator transfer switch, you already know losing power in East Texas is more than an inconvenience. The right transfer switch makes your backup system safe, automatic, and code‑compliant. In this guide, you’ll lea...
Where We Work
What areas do you serve for standby generator installation and maintenance?
We serve East Texas, with frequent projects in Tyler, Longview, and Texarkana. See the full list of communities we cover below.







