Business Details
27 Years
experience
Your Trusted Partner for Home Remodeling Solutions
Kelemer Brothers has been a trusted name in exterior home remodeling since 1999, specializing in energy-efficient windows, doors, and siding. Founded by brothers Joe and Gabriel Kelemer, our family-owned business prioritizes customer satisfaction through transparent practices and no-pressure consultations. With over 50,000 window installations, we offer lifetime warranties on both products and installation, backed by a 110% price assurance guarantee. Recognized with 11 consecutive Angies List Super Service Awards and an A+ BBB rating, we serve Maryland, Virginia, and Washington D.C., emphasizing quality, dependability, and community reinvestment. Our process includes personalized design, professional installation, and a commitment to leaving homes cleaner than found, ensuring long-term client relationships. 
Services
Window Replacement
Door Replacement
Home Siding
Energy-Efficient Windows
Genesis Windows
Exterior Remodeling
Details
- Year established: 1999
Highlights and features
- Over 50,000 window installations since 1999
- Lifetime warranties on installation and glass breakage
- No salespeople, no pressure consultations
- 100+ 5-star reviews and A+ BBB rating
- Family-owned with local community reinvestment
Associations and certifications
- Better Business Bureau (BBB)
- Maryland Home Improvement Commission (MHIC)
What people say
5-star reviews
A+ BBB rating
Lifetime warranties
No pressure sales
Over 50,000 installations
Services
Window Replacement
Kelemer Brothers specializes in energy-efficient vinyl window replacements, including sliding, bay, and double-hung styles. Our installations enhance home comfort, reduce energy costs by up to 20%, and increase resale value. Backed by a lifetime warranty on installation and glass breakage, our process ensures precision and customer satisfaction.
Door Replacement
We install durable steel entry doors and sliding patio doors that improve security and curb appeal. Our products feature lifetime warranties and energy-efficient designs to lower utility bills. Personalized consultations ensure seamless integration with your homes aesthetics and functional needs.
Home Siding
Upgrade your homes exterior with low-maintenance vinyl or fiber cement siding. Our solutions protect against weather damage, enhance insulation, and boost curb appeal. Projects often include complementary window and door replacements for cohesive results.
Energy-Efficient Windows
Our Vytex Genesis windows use advanced technology like TripleSilver LoE glass to minimize heat transfer. These windows reduce energy costs, improve indoor comfort, and qualify for tax credits. Expert installation ensures optimal performance and durability.
Genesis Windows
Genesis Windows by Vytex offer superior durability with welded corners and insulated frames. Designed for energy savings and style, they feature a 0.04 CFM air infiltration rating and optional argon gas fills. Ideal for homeowners seeking long-term value and aesthetic appeal.
People
Joe Kelemer
Co-Owner
Joe Kelemer co-founded Kelemer Brothers in 1999, emphasizing customer-first values and community involvement. A volunteer firefighter, he prioritizes transparency and quality, ensuring every project meets rigorous standards while reinvesting in local education and social services.
Gabriel Kelemer
Co-Owner
Gabriel Kelemer partners with his brother Joe to lead Kelemer Brothers, focusing on personalized service and technical excellence. With over two decades of experience, he oversees design and installation, ensuring each project aligns with the companys commitment to trust and long-term client relationships.
Questions
What services does Kelemer Brothers offer?
We specialize in window and door replacement, home siding, and exterior remodeling across MD, VA, and DC.
Do you provide warranties?
Yes, we offer lifetime warranties on installation and glass breakage, plus a 110% price assurance guarantee.
Are your windows energy-efficient?
Our Vytex Genesis windows meet ENERGY STAR standards, reducing energy costs by up to 20% annually.
Do you serve Northern Virginia?
Yes, we service Northern Virginia, including McLean, Sterling, and Falls Church.
Can I finance my project?
Yes, we offer financing options and accept credit cards for your convenience.
How long have you been in business?
We’ve served homeowners since 1999, with over 50,000 window installations completed.
