Thermal Specialties and Installation Co.

(240) 770-1167
Thermal Specialties and Installation Co. - Replacing a Window
Thermal Specialties and Installation Co. - On a Job
Thermal Specialties and Installation Co. - Working on a Window
Thermal Specialties and Installation Co. - Second Floor Window Install

Entry Doors

Thermal Specialties and Installation Co. - Angie Service AwardDo you want your home to welcome visitors while also keeping you safe? Your front entry doors will play a major role in both of those tasks. If you’re looking for replacement entry doors in Gaithersburg or the surrounding area, look no further than the pros at Thermal Specialties and Installation Co. We’re an experienced front door installation company, working with homeowners to ensure that your new door is a true upgrade from the previous model. We offer superior workmanship, unbeatable customer service, and reasonable rates for all sorts of exterior front doors. We’ll call on our experience and skill to give you a finished product you’ll love. Ready to learn more? Call or e-mail us today to start the front door replacement process!

One of the things that sets us apart is our comprehensive array of door styles and features. Come to Thermal Specialties and Installation Co. for:

  • Wooden front doors
  • Glass entry doors
  • Fiberglass entry doors
  • And more!

We’ll show you a selection of front entry doors that suit your design aesthetic and your budget. Once you’ve made a decision, we’ll carry out front door replacement with ease, quickly and accurately exchanging your existing door for the newer model. For your protection and peace of mind, we stand behind our front door installation with a 10-year warranty that covers our workmanship. You can breathe easy knowing that we care about your satisfaction.

Qualified Entry Door Installation

Whether you’re interested in wooden front doors or glass front doors, Thermal Specialties and Installation Co. will get your installation done right. We’re proud to be fully licensed and insured for the work we do, holding Maryland license #20351 and Virginia license #2705-046526. We hold an A+ rating from the Better Business Bureau and Angie’s List Super Service Awards from 2014 and 2015. In short, when it comes to installing a new front door, our qualifications mean we’ve got you covered.

Since 1984, we’ve been Gaithersburg’s best choice for installing everything from fiberglass double front doors to wooden front doors with glass. Get in touch today to learn about all of the models we can offer you, and to get a free cost estimate for our services. From changing your house’s appearance to improving your home’s energy efficiency, we’re standing by to provide solutions to all sorts of problems. We look forward to working with you!

  • replacement door
  • front entry doors
  • exterior door
  • exterior entry door
Thermal Specialties and Installation Co. is your best choice for new windows and doors in Gaithersburg. We're a licensed and insured door and windows installer with more than three decades on the job. We offer quality workmanship, great customer service, and reasonable rates. Contact us to discuss energy-efficient windows, new entry doors, and much more.


Mon-Fri 8AM-8PM

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A+ BBB RatingThermal Specialties and Installation Co - Angieslist 2015 Super Service Award  Super Service 2014Licensure Details