Business Details
24 Years
experience
Affordable Energy-Efficient Doors & Windows in San Diego
Discount Door & Window is committed to delivering the most affordable retrofit doors and replacement vinyl windows in San Diego and beyond. Founded by Alan Holsapple after 21 years of hands-on experience in door and window installation and renovation services across Southern California, our company leverages direct partnerships with established wholesalers to minimize overhead and pass savings to customers. We specialize in custom-sized solutions, including Vinyl Patio Sliding Doors, French Doors, Energy Efficient Fiberglass Entry Doors, and Elegant Solid Wood Doors, all designed to combine durability, energy efficiency, and modern engineering. Our products feature lifetime manufacturer warranties for vinyl windows and doors, with select options offering 10 - 30-year guarantees. We prioritize customer satisfaction through competitive pricing, quality installation services, and energy-saving solutions that reduce heating and cooling costs.Our San Diego showroom allows customers to explore products in person, while our online platform simplifies ordering and customization. The DDW Learning Center provides educational resources, video tutorials, and guidance to help homeowners and contractors make informed decisions. We offer pre-approved installers for in-home estimates and support DIY projects with detailed installation guides. With a focus on sustainability, security, and affordability, DDW ensures accessible, high-quality products tailored to diverse home improvement needs. Our team remains available via phone or email to assist with product selection, measurements, and order inquiries.
Services
Retrofit Replacement Windows
Vinyl Patio Sliding Doors
French Doors
Fiberglass Entry Doors
Solid Wood Doors
Details
- Year established: 2002
Highlights and features
- We offer over 20 years of industry experience in door and window installation.
- Our products feature lifetime manufacturer warranties for vinyl windows and doors.
- We provide energy-efficient solutions to reduce heating and cooling costs.
- Our Learning Center offers step-by-step video tutorials and installation guides.
- We guarantee customer satisfaction with competitive pricing and quality assurance.
Services
Retrofit Replacement Windows
Custom-sized retrofit replacement windows enhance energy efficiency and durability. Our vinyl windows reduce heating and cooling costs with lifetime warranties, ensuring long-term savings and comfort for homeowners.
Vinyl Patio Sliding Doors
Energy-efficient vinyl patio sliding doors combine modern design with durability. Backed by lifetime warranties, these doors offer seamless indoor-outdoor transitions while maintaining thermal performance and security.
Fiberglass Entry Doors
Fiberglass entry doors provide superior strength and insulation. Available in various styles, they resist warping and fading, offering 1030-year warranties for long-lasting aesthetic and functional value.
Solid Wood Doors
Elegant solid wood doors add timeless appeal to homes. Engineered for durability, these doors feature custom designs and finishes, paired with energy-efficient cores to minimize environmental impact.
Energy-Efficient Window Solutions
Our energy-efficient window solutions reduce utility bills through advanced insulation technology. Vinyl frames and low-E glass options maximize thermal performance, qualifying for tax rebates and long-term cost savings.
Questions
What types of doors and windows do you offer?
We offer retrofit replacement windows, vinyl patio sliding doors, fiberglass entry doors, solid wood doors, and energy-efficient options with lifetime warranties.
Do your products qualify for tax rebates?
Yes, our energy-efficient doors and windows qualify for tax credits. Visit our website to learn more about eligibility and savings.
Can I schedule an in-home estimate?
Yes, we provide in-home estimates with pre-approved installers. Contact us to schedule a consultation for measurements and recommendations.
What warranties are available?
Vinyl windows and doors include lifetime manufacturer warranties. Fiberglass and wood doors offer 10–30-year warranties depending on the style.
Do you ship outside San Diego?
Yes, we ship nationwide. Shipping costs are calculated after placing your order, and we provide a quote within 48 hours.
How can I get installation help?
We recommend pre-approved installers for professional services. DIY guides are also available for self-installation projects.
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