HOURS: Mon - Fri 8AM - 9PM, Sat 8AM - 2PM
Generators in Stock Now, Call Today!
Enjoy Enhanced Water Throughout Your Home
Eliminate Allergens, Microorganisms, and Foul Odors from the Air
Create a Safe Place for Your Family to Retreat During Extreme Weather
Special Offer for August
Financing as low as 0% for qualified buyers
Special offer for the month of August. Don't wait, fill out the form below to get a free, customizable quote.
* I want to learn more about products in the future & can be contacted at the phone number above using an auto dialing phone system or text message.
Whether You’re Having Problems with Your Water, Power, or Air, We Have:
The Solution

Whole Home Generators

We offer everything needed to address your home energy concerns with our automatic whole home standby generators.

Keep the Lights On

Water Quality

Foul tasting tap water. Irritated skin. Stiff-feeling laundry. Our treatment systems can solve all of your water woes.

Enhance Your Water

Indoor Air

Poor indoor air quality can cause an array of problems. Our home air purification systems allow you to breathe easier.

Improve Air Quality

Safety from the Storm

Does your family have a safe space to ride out extreme weather? We can custom build one for you.

Make Your Home Safer

Water Heaters

A tankless water heater from Tri-State will give you an endless supply of hot water on demand.

Get Endless Hot Water
As Seen On TV!
$500 Trade-In
On Your Portable Generator When You Purchase a Whole-House Generator
The Trusted Source For Standby Generators and Other Home Solutions in the Midwest
Providing Exceptional Home Upgrades and First-Class Service Since 1992

Tri-State Water, Power, & Air was founded as a water treatment company in Cape Girardeau, Missouri, in 1992. Our commitment to providing top-of-the-line home products and exceptional service enabled us to earn the trust of homeowners and quickly expand. Today, we have offices in several Midwestern states and proudly offer a vastly expanded selection of home upgrades. Whether you’re looking for a reliable company to remodel a bathroom, build a safe room, or install a standby generator, air purifier, or water treatment system, we have the ideal solution.

Over the years, we have remained a family-owned company with an unwavering commitment to customer satisfaction. We measure our success in the improvements we make to our customers’ home lives. To ensure each and every homeowner receives an outstanding value with us, we provide personalized solutions, premium products, and expert installations along with exceptional service before, during, and long after the project is completed.

We Offer Solutions that You Will Enjoy Long into the Future
Our Products
Is Hard Water Causing Problems in Your Home?
Register Now for a
Free Water Test
Water that is rife with minerals and other solid matter can cause a variety of problems including foul-tasting water, stiff-feeling laundry, and irritated skin. Tri-State can solve these problems by diagnosing issues with your home’s water and recommending the ideal treatment system.
These folks are great! Had two whole house generators installed and both are flawless. Customer support is top notch. Highly recommend.
CG Anderson
Standby Generator
He was professional, cleaned up as he went. After installation was completed he showed us how to use the equipment. He can come back anytime.
Joe Alfred
Water Treatment
Josh is friendly, professional, quick and considerate! He answered all of my questions, did a great job, and was also friendly with my dog!
Sarah N
Bathroom Remodeling
Tri State Water Power and Air just installed three whole house water systems for my family. The representative that came to my home was very courteous, professional, and not pushy.
Dianne H
Standby Generator
See for Yourself What Our Customers Have to Say About Us
More Than 380 Reviews
4.8 Star Average