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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 window and door installations. Founded by brothers Joe and Gabriel Kelemer, the company prioritizes personalized service, with no commissioned salespeople and direct owner involvement in every project. With over 50,000 installations, they offer lifetime warranties on both products and workmanship, emphasizing transparency and customer satisfaction.

Their commitment to quality is reflected in their A+ BBB rating, 11 consecutive Angies List Super Service Awards, and 100+ 5-star reviews. Serving Maryland, Virginia, and Washington D.C., they provide tailored solutions for homeowners seeking durability, energy savings, and enhanced curb appeal.
Services
Energy Efficient Windows Replacement Windows Front and Exterior Doors Home Siding Vinyl Windows Steel Entry Doors Siding Replacement Window Installation Door Installation Exterior Home Remodeling
Details
  • Year established: 1999
Highlights and features
  • Over 20 years of experience with 50,000+ window installations.
  • Direct owner involvement with no commissioned salespeople.
  • Lifetime warranties on installation and glass breakage.
  • 100+ verified customer references and 5-star reviews.
  • A+ BBB rating and 11 consecutive Angies List Super Service Awards.
Associations and certifications
  • Better Business Bureau (BBB)
What people say
50,000+ installations A+ BBB rating 110% price assurance No-pressure sales Lifetime warranties
Services
Energy Efficient Windows
Energy-efficient vinyl windows reduce heating and cooling costs by up to 20%, enhance curb appeal, and require minimal maintenance. Our solutions include double-hung, casement, and sliding styles, backed by lifetime warranties. Serving Maryland, Virginia, and Washington D.C., we ensure improved home comfort and long-term savings through expert installation.
Replacement Doors
Durable steel entry doors and sliding patio doors improve home security, energy efficiency, and aesthetics. Our options feature lifetime installation warranties and customizable designs to match your propertys style. We serve homeowners in MD, VA, and DC with professional installation and personalized service.
Home Siding
Siding replacement enhances durability, insulation, and curb appeal with low-maintenance materials like vinyl and fiber cement. Our services include repairs and full installations, ensuring protection against weather while boosting property value across Maryland, Virginia, and D.C.
Window Installation
Professional window installation services cover bay, bow, and double-hung styles, focusing on energy efficiency and seamless integration. We provide lifetime warranties, 100+ references, and a 110% price assurance guarantee for homeowners in MD, VA, and DC.
Exterior Remodeling
Comprehensive exterior remodeling combines window, door, and siding upgrades to improve aesthetics, energy efficiency, and home value. Our family-owned business offers personalized service, no-pressure consultations, and proven results for properties in Maryland, Virginia, and Washington D.C.
People
Joe Kelemer
Co-Owner
Joe Kelemer co-founded Kelemer Brothers in 1999, prioritizing customer satisfaction through transparent service and hands-on project oversight. A volunteer firefighter, he emphasizes community investment and quality craftsmanship in every installation.
Gabriel Kelemer
Co-Owner
Gabriel Kelemer co-owns Kelemer Brothers, bringing over two decades of experience in exterior home remodeling. He ensures every project meets high standards, focusing on durability, energy efficiency, and personalized solutions for homeowners.
Questions
What services does Kelemer Brothers offer?
We specialize in energy-efficient window and door replacements, siding installations, and exterior home remodeling across Maryland, Virginia, and Washington D.C.
Do you provide warranties on your services?
Yes, we offer a lifetime warranty on installation, a limited lifetime glass breakage warranty, and a 110% price assurance guarantee.
How long has Kelemer Brothers been in business?
We’ve served homeowners since 1999, with over 50,000 window installations and 11 consecutive Angie’s List Super Service Awards.
Are there financing options available?
Yes, we accept credit cards and offer financing to make home improvements more accessible for our customers.
What areas do you service?
We operate in Maryland, Virginia, Washington D.C., including Baltimore, Montgomery County, Northern Virginia, and surrounding communities.
Can I get a free estimate?
Absolutely! Call (410) 299-0038 to speak directly with Joe or Gabriel for a no-hassle, personalized quote.