Premium Suppliers & Manufacturers
We work with North America's top window, door, siding and roofing brands, so you get the best product, warranties, and prices for your home.
Why We Offer Multiple Manufacturers
At Chesapeake Thermal, dealing with the owner means you receive unbiased guidance without high-pressure sales tactics. Because we aren't tied to a single manufacturer, we educate you on all your options so you can choose the exact combination of style, performance, and budget that fits your home.
Unbiased Advice
We compare brands side-by-side to find what truly benefits your home and budget.
Certified Installations
Our company crews are factory-trained for ProVia, GAF, and leading window lines.
Full Warranty Protection
Get full manufacturer product warranties backed by our 5-year labor guarantee.
Explore Our Industry-Leading Brands
Click any brand to learn about their engineering, product offerings, and official catalog.
Soft-Lite Windows & Doors
Soft-Lite Windows & Doors is an industry-leading manufacturer of custom vinyl replacement windows and sliding patio doors, renowned for award-winning energy efficiency and precision engineering.
With product lines such as Imperial Elite, Elements, Bainbridge LE, and Pro, Soft-Lite windows feature advanced multi-chambered vinyl frames, high-performance Low-E glass packages, argon gas fills, and airtight weatherstripping designed to lower heating and cooling bills in Mid-Atlantic homes.
Every Soft-Lite window is custom-crafted to match your home's exact openings, providing effortless operation, exceptional durability, and classic architectural beauty.
Key Products
- Double-Hung Windows
- Casement & Awning Windows
- Sliding Windows
- Bay & Bow Windows
- Kingsroyal Glide Patio Doors
Brand Highlights
- ENERGY STAR® Partner of the Year
- Air Infiltration Ratings among the lowest in the industry
- Custom color, woodgrain, and grid options
- Lifetime Limited Warranty
Alside Building Products
Alside is a national leader in exterior building products, offering decades of innovation in vinyl replacement windows, new construction windows, patio doors, and vinyl siding.
Alside's window systems, including the popular Mezzo® series, feature ClimaTech® high-performance insulated glass packages designed to meet ENERGY STAR requirements across Maryland and the Washington Metropolitan area.
With the FrameWorks® Color Collection, homeowners can select from an array of exterior finishes and interior finishes, combining custom beauty with low-maintenance vinyl construction.
Key Products
- Vinyl Replacement Windows
- Mezzo® Energy-Efficient Windows
- Sliding Patio Doors
- ASCEND® Composite & Vinyl Siding
- ClimaTech® Insulated Glass Units
Brand Highlights
- ClimaTech® Low-E glass & argon insulation
- FrameWorks® custom interior/exterior colors
- Recognized among top window brands
- Comprehensive manufacturer warranty
Vytex Windows & Doors
Vytex Windows is a premier regional manufacturer known for precision craftsmanship, superior energy efficiency, and modern design in replacement windows and patio doors.
Vytex offers distinct window series tailored to various performance needs and budgets, including the flaghsip Potomac-hp, Fortis, Georgetown, and Potomac Coastal lines engineered for coastal weather resistance.
Features such as thick multi-chambered vinyl frames, integrated sash locks, tilt-in sashes for easy cleaning, and high-performance Low-E glass ensure lasting value, quiet comfort, and lower utility costs.
Key Products
- Potomac-hp High-Performance Windows
- Fortis Energy-Efficient Windows
- Georgetown Value Series Windows
- Potomac Coastal Impact Windows
- Signature & 7000 Series Patio Doors
Brand Highlights
- A+ BBB Rated manufacturer
- Advanced thermal insulation & sound reduction
- Custom shapes, grids, and True Black finishes
- Designed specifically for Mid-Atlantic homes
ProVia
ProVia is renowned nationwide for old-world craftsmanship, exceptional energy efficiency, and uncompromising quality in custom entry doors, storm doors, patio doors, and vinyl replacement windows.
ProVia's Signet® fiberglass and Legacy™ 20-gauge steel entry doors set the industry standard for realistic woodgrain finishes, structural strength, security, and draft protection.
Chesapeake Thermal is a ProVia Certified Installer, giving homeowners access to custom-sized doors, hand-stained woodgrains, decorative glass, and factory-baked paint finishes backed by ProVia's comprehensive warranties.
Key Products
- Signet® Fiberglass Entry Doors
- Legacy™ Steel Entry Doors
- Endure™ & Aeris™ Vinyl/Wood Windows
- Spectrum™ & Deluxe™ Storm Doors
- Hinged & Sliding Patio Doors
Brand Highlights
- ProVia Certified Installers
- Custom sizing down to 1/8 inch increments
- Hand-stained woodgrain & factory enamel finishes
- Industry-leading ENERGY STAR performance
Andersen Windows & Doors
Andersen Corporation is North America's largest and most trusted window and door manufacturer, built on over a century of innovation, craftsmanship, and performance.
Andersen's flagship 400 Series combines low-maintenance vinyl exteriors with rich real wood interiors, while the 100 Series utilizes Fibrex® composite material, twice as strong as vinyl and environmentally sustainable.
Whether installing double-hung, casement, architectural specialty windows, or elegant French sliding patio doors, Andersen products offer time-tested durability and classic aesthetic appeal.
Key Products
- 400 Series Wood-Clad Windows
- 100 Series Fibrex® Composite Windows
- Architectural Specialty & Picture Windows
- Frenchwood® Hinged & Gliding Patio Doors
- Big Doors & Custom Entrance Systems
Brand Highlights
- #1 Trusted and Recommended Brand
- Exclusive Fibrex® composite material technology
- Low-maintenance exteriors with real wood sashes
- Extensive hardware, color, and grille choices
Pella Windows & Doors
Pella Corporation is a leading American window and door manufacturer celebrated for pioneering design innovations, superior craftsmanship, and energy efficiency.
From luxurious Pella Reserve wood windows to ultra-durable Pella Impervia fiberglass and budget-friendly Pella 250 Series vinyl, Pella offers solutions for every home style and budget.
Pella products incorporate options such as integrated snap-in blinds between glass, the revolutionary Easy-Slide Operator, and advanced sound-insulating glass packages.
Key Products
- Pella Reserve Wood Windows
- Pella Impervia® Fiberglass Windows
- Pella 250 Series Vinyl Windows
- Easy-Slide Operator Windows
- Bifold & Multi-Slide Patio Doors
Brand Highlights
- Proprietary fiberglass & wood-clad frame options
- Integrated blinds and shade options between glass
- Easy-Slide Operator for smooth operation
- Strong energy performance & sound attenuation
GAF Roofing
GAF is North America's largest manufacturer of residential and commercial roofing materials, setting the industry benchmark for shingle performance, wind resistance, and roof system integration.
GAF's Timberline HDZ® and Timberline UHDZ® with UltraMat™ architectural shingles feature proprietary LayerLock® technology and the StrikeZone® nailing area for incredible installation speed and seal integrity.
When installed with GAF ridge cap shingles, leak barriers, and roof deck protection, homeowners qualify for GAF's WindProven™ Limited Wind Warranty with no maximum wind speed limitation.
Key Products
- Timberline HDZ® Architectural Shingles
- Timberline UHDZ® with UltraMat™ Shingles
- ArmorShield II Class 4 Impact-Resistant Shingles
- Camelot II Lifetime Designer Shingles
- GAF WeatherWatch® Leak Barrier & Ridge Cap Shingles
Brand Highlights
- North America's #1 Selling Shingle
- LayerLock® Technology with StrikeZone® Nailing Area
- WindProven™ Unlimited Wind Speed Warranty eligible
- StainGuard Plus™ Algae Protection
What Homeowners Say About Our Products & Installs
Read verified Google reviews from Maryland customers who upgraded their home with our featured supplier products.
Compare Supplier Products for Your Home
Schedule a free consultation with Chesapeake Thermal. We'll educate you on Soft-Lite, Alside, Vytex, ProVia, Andersen, Pella, and GAF options to find your best fit.