Serving Maryland since 1986
Replacement Doors Built to Fit Your Home
Entry doors, sliding patio doors, and French doors, custom-sized and installed by Chesapeake Thermal crews.
Replacement Doors for Maryland Homes
A new door improves curb appeal, security, and comfort. We install custom-sized replacement entry and patio doors built to fit your existing opening.
From fiberglass and steel entry doors to sliding and French patio doors, we help you compare options and handle the installation, trim, and capping.
Get full manufacturer product warranties backed by our 5-year labor guarantee.
Financing options available through Synchrony
Make your window, door, siding, or roofing project easier to manage.
A Family Business, Two Generations Strong
Chesapeake Thermal was founded by Tom and Nancy Dawson in 1986. Today, second-generation owners Matt and Kaitlyn Dawson carry on the same commitment to careful work and honest communication.
Compare Real Options
We work with multiple manufacturers so you can compare product and price options during your estimate instead of being pushed toward a single brand.
Installed by Company Crews
Our own crews handle the installation, exterior capping, and haul-away. Your project is not handed off to strangers.
Clean, Complete Work
Old materials and debris are removed so your home is left clean at the end of every project.
Warranties You Can Count On
Get full manufacturer product warranties backed by our 5-year labor guarantee.
Our Replacement Doors Process
What to expect from your first estimate through the final walkthrough and cleanup.
Free Estimate
We measure your opening and discuss door styles, materials, and options.
Select Your Door
You choose the door, glass, hardware, color, and finish that fit your home.
Install & Finish
Our crews install the door, exterior trim, and capping, then clean up.
Common Questions
Answers to common questions about replacement doors.
Explore More Services
Entry Doors
Custom entry doors in fiberglass and steel, with options for decorative glass, hardware, and color.
View DetailsFiberglass Doors
Fiberglass entry doors that resist dents and moisture while offering the look of real wood.
View DetailsSteel & Security Doors
Strong steel entry and security doors that add durability and peace of mind to your home.
View DetailsWhere We Work
Chesapeake Thermal is centrally located in Anne Arundel County and serves homeowners across the county and the Washington Metro area.
What Customers Are Saying
Reviews pulled directly from our Google Business Profile.
Ready to Start Your Replacement Doors Project?
Contact Chesapeake Thermal today to discuss your project and request a free, no-obligation estimate.