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Selling America's #1 Insulated Replacement Window

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General Info
Thermal King Windows are the smart choice for today’s consumer. Thermal King is the nation’s foremost specialist in energy efficient triple glass, tilt-in windows, and much, much more. Thermal King’s patented Uniframe windows are engineered with exclusive features that offer the market’s best in durability, strength, security and energy savings. Which is why it’s the #1 best-selling insulated replacement window in the country. From bays to glaze, and sliding to siding, Thermal King has exactly what you need to enhance your home’s timeless beauty, while saving you hundreds of dollars in lost heating/cooling costs.
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TollFree: (888) 546-4946

Replacement Windows, Residential Windows, Vinyl Windows, Casement Windows, Patio Doors, Vinyl Siding, House Windows, Entry/Front Doors
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visa, master card, amex, discover, check, financing available


League of American Homeowners

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Other Information

Parking: Lot, Free

Wheelchair Accessible: Yes

Services: <p>Replacement Windows, Residential Windows, Vinyl Windows, Casement Windows, Patio Doors, Vinyl Siding, House Windows, Entry/Front Doors</p>


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Lezlee O.



Salesperson took 3 hours to quote us a price even after we insisted that he give us to-the-point details versus an entire history of the evolution of windows. SOME pertinent information and demonstrations for the layman are wonderful, but we don't care for an entire history of windows for hours upon hours. The quote he read us after three hours was outrageous, and then after we asked him for a copy of it, he refused to provide because "my handwriting is sloppy," which further raises suspicion. After reading the negative reviews on social media, we will not go with this company. Customer service and reputation online is everything nowadays. If you start off not listening to the customer when we ask you to get to the meat and potatoes of your sales pitch, and you take up three excruciating hours of our time, you've lost the sale right there. You further lost us by not providing the bid.

Jane D.




December 5, 2015

To Whom It May Concern:

On August 24, 2015 I signed a contract for the installation of 3 Thermal King windows at a total cost of $3356.00; these windows were installed on November 11, 2015. At the time the installation was completed, I told the installer I did not like the look of the windows and that the quality of workmanship was not acceptable. I was told that I would be receiving a follow-up from your company and that I should express my concerns at that time. To date, I have not received that follow-up; therefore, I am sending this to you via your webpage.

I am very DISSATISFIED with the quality of your windows. Your salesman showed me a very lovely sample of the windows I would be receiving. I DID NOT RECEIVE WINDOWS THAT LOOKED LIKE THE SAMPLE. Every mitered corner of each window has a raised strip that I am assuming hides the miter seam. This strip varies in depth on ALL corners; some are definitely higher than others and some look as though an ATTEMPT was made to sand down the strip to be even with the window material. Some of the corners have sharp edges and I cut my finger on one of them when I was cleaning the glass. The quality of the workmanship on these windows, in my opinion, DO NOT warrant the high cost of your windows. I regret having paid your company $3300 for windows that I could get from Home Depot or Lowes for less than 1/3 of the cost of yours. In addition, I have seen a finished Andersen window on one of my neighbor’s windows and it looks fantastic and they paid a lot less. I would suggest you go back to your design experts and redesign the corners.

Unfortunately your salesman did not have a sample or even a photo of what the fascia of the outside windows would look like. They are VERY UNATTRACTIVE! The sides extend below the tops/bottoms and the white sealant is rough, not consistent and not quality of an EXPENSIVE window installation. Your salesman stated in his presentation that all Thermal King employees were trained expressively in producing and installing quality windows. I feel you need to provide better training.

Three of my neighbors saw your sign in the my yard and asked me how I like them. I showed them the windows and told them what I have outlined above; also sent them to Jack’s house to see his Andersen windows. Would I ever recommend Thermal King windows? NEVER!!! Would I replace my other windows with Thermal King windows? NEVER!!! I regret having purchased your windows.

Cee P.



Just say no. They tried the old we need your wife there routine with me too. We are a two income family and work different schedules. Now the salesman comes buy and gives his spill, everything sounds the same as the last window company, get on to the price. He quotes a price will over $1,000 a window and this is after about three different discounts were added in. So he tells me the price; it took everything in my power not to laugh this guy out of my house. Never got the written estimate from them. Called and called and called, nothing. What company acts like this? Can you imagine paying 2 or 3 times the amount you should have and for windows, only to have a problem and they will not call you back or treat you poorly with the warranty? I wonder what their answer will be when this company has some one call the media and expose some of these things?

Lynn B.



This company is the worst! The product is good but the installation and service is AWFUL! They say there's a lifetime warrantee on their product - but if they never return your call - what good is it?



Okay Windows

The windows are very good looking, much better than our previous windows and I love the coating that blocks UV rays, but since the price was exceptionally high, I was expecting more. The installation was very average. Communication with the company was worse than average, although they did what they said when prodded, I just felt like I was an irritant instead of a valued customer.




I called Thermal King today wanting to purchase a new patio door. They would only meet with me if my husband was around too! What is this? I am the decision maker in this matter and my husband is too busy to meet with them. If they do not want my business it is their loss. Welcome to the 21st century, where women are allowed to make decisions without the permission of their husband!


Phone: (913) 451-2300

Address: 14368 W 96th Ter, Lenexa, KS 66215