, Doors, Thermal King Windows, Thermal King Windows
, Doors, Thermal King Windows, Thermal King Windows

Beauty, Durability and Security in every door.

Thermal King Doors use only the very best quality materials to construct its entry door systems. Highly skilled craftsmen assemble hand-beveled glass accented with a variety of unique glass options. Each handmade panel of art glass achieves its personality through textural waves and striations, random seeds (air bubbles) and a variety of other natural effects. No two sheets are ever identical. Our goal is to provide the finest quality glass panels available on the market.

Thermal King entry door systems feature:

  • Finger jointed construction, 2-ply solid oak laminated stiles
  • Heavy-duty ball bearing hinges
  • Bulb and blade sweep
  • Q-Lon weatherstripping
  • Solid wood block lock/deadbolt reinforcement
  • Polyurethane core R-Value of 15.0
  • Entry system U-Factor* as low as 0.12

*Tested to certified NFRC specifications for a 006 (6 panel) door with wood frame.

Why Buy a Thermal King Entry System?


You never get a second chance to make a good first impression. A beautiful Thermal King entry system will always greet your guests with classic elegance and style.


We take pride in delivering entry systems of top quality construction, made with the finest materials, and backed by our lifetime limited transferable warranty.


Your security and safety is our concern. That’s why we’ve reinforced our lock and deadbolt areas with commercial gauge steel. Our 20-gauge steel security plate ensures a level of security not found on other residential doors.

Energy Efficiency

, Doors, Thermal King Windows, Thermal King Windows

Energy efficiency is important now more than ever. That’s why not just some, but ALL our entry systems are ENERGY STAR qualified.

The ENERGY STAR Program was created by the U.S. Department of Energy and the U.S. Environmental Protection Agency to make it easy for consumers to choose the most energy efficient products. The ENERGY STAR label given by the U.S. EPA and the U.S. DOE identifies NFRC certified products that meet or exceed federal energy efficiency standards.

ENERGY STAR products offer you:

  • Savings on heating and cooling costs
  • A more comfortable living space
  • Added value to the appraisal of your home

Four easy steps to a beautiful new entry system!

1. Material

Wood grain
Textured Steel
Smooth Steel

2. Style

, Doors, Thermal King Windows, Thermal King Windows, Doors, Thermal King Windows, Thermal King WindowsStyles

3. Glass

, Doors, Thermal King Windows, Thermal King Windows, Doors, Thermal King Windows, Thermal King Windows

4. Finishing


, Doors, Thermal King Windows, Thermal King Windows, Doors, Thermal King Windows, Thermal King Windows, Doors, Thermal King Windows, Thermal King Windows, Doors, Thermal King Windows, Thermal King Windows

Signet Fiberglass Doors:

Our Signet fiberglass doors have taken fiberglass entry systems to the next level. The embossed woodgrain is an astonishingly accurate representation of real wood.
Signet fiberglass doors are available in Cherry, Mahogany, Oak, Fir and Knotty Alder Series, with 7 stain finishes per Series. Utilizing our exclusive DuraFuse™ Finishing System featuring P3 Fusion, ProVia’s finish warranty is the best in the industry.
Structurally, the Signet fiberglass door is far superior to traditional fiberglass doors. The hinge and strike stiles are a robust 2⅝” and 4¼” respectively, and are dovetailed to the top and bottom rails forming an integrated frame, ensuring unmatched strength and durability.

Heritage™ Fiberglass Doors:

  • Variable-depth wood grain texture with hand-applied stain for an authentic wood door appearance.
  • Specially engineered fiberglass door facings will not dent and resists splitting, cracking and warping.
  • High-definition panel profile creates excellent shadow lines and distinct panel designs.
  • Lock area is reinforced to provide a solid mounting surface for decorative hardware.
  • Square-edge design gives an attractive wood door appearance.
  • Fingerjointed, 2-ply solid oak laminated stiles are locally manufactured exclusively for Thermal King for both hinge and strike sides and are proven to provide increased rigidity and structural integrity.
  • A high-performance, composite material is utilized on all Heritage fiberglass bottom rails, providing excellent rot-resistance.

Legacy™ Steel Door Features:

  • Foam-filled 18-gauge steel top and bottom endcaps complete a double U-channel system that increases rigidity. The edges and face skin of our steel doors are one continuous piece of steel for strength and durability.
  • Our 20-gauge steel doors give you 49% more galvanized steel than a standard 24-gauge door.
  • Hot-dipped galvanized/annealed steel has 433% more coating thickness than B-class electro-galvanized steel.
  • We add commercial gauge steel to our 20-gauge steel doors to reinforce the lock and deadbolt area.
  • Special adhesives/thermal barrier reduces heat and cold transfer, while our tab and slot system of mechanical interlocks gives the door exceptional structural strength.
  • Weather stripping is made of energy efficient Q-Lon.
Please rate and review
We are sorry we did not meet your expectations. Please send us a message regarding your concerns and let us earn your 5 star review?
Thank you for your review
We are so happy we have earned your star review. As a thank you please click the below to post your review on
Once your review is posted you will be entered in the monthly $100 Amazon Gift Card drawing
POST to Google