SD Window & Door LLC

SD Window & Door LLC delivers professional window and door sales, replacement, and installation services to South Dakota homeowners and builders. Operating from Lake Andes, we bring over 30 years of expertise and 35,000+ completed installations to communities throughout the region. As an authorized ProVia dealer, we specialize in energy-efficient solutions engineered for South Dakota's harsh climate, serving Lake Andes, Mitchell, Harrisburg, and surrounding areas.

SD Window & Door
161 Main St
Lake Andes, SD 57356
(605) 630-9794
https://sdwindowdoor.com/
https://www.google.com/maps?cid=17348746076693252787

Replacement Windows
Our replacement window services transform South Dakota homes with energy-efficient solutions that reduce utility costs and enhance year-round comfort. We install premium windows in styles including double-hung, slider, casement, bay, bow, and picture windows, each custom-measured for precise fit. Our experienced installers use advanced sealing techniques to prevent air infiltration and moisture damage, which are critical in South Dakota's extreme temperatures. From historic homes in Lake Andes to modern residences across the region, we deliver windows that enhance aesthetics and withstand decades of harsh weather.

New Construction Windows & Doors
We partner with contractors and builders to supply high-quality windows and doors for new residential and commercial construction projects. Our product line includes architectural windows, standard configurations, entry systems, and patio door assemblies designed for energy efficiency and structural integrity. We provide accurate lead times, job site delivery, and technical specifications to ensure seamless integration.

Entry & Patio Doors
We install doors that combine style, security, and energy performance for South Dakota homes. Patio door installations include sliding, French door, and folding glass wall systems that create seamless outdoor transitions. Each installation incorporates proper flashing, weatherstripping, and threshold systems designed for South Dakota's moisture and temperature challenges.

Storm Doors
Storm door installation provides affordable protection for entry doors while adding ventilation and security. Our storm doors feature full-view or partial-view glass with interchangeable screen inserts for seasonal flexibility. Reinforced aluminum or steel frames provide strength against high winds, while creating an insulating air barrier that reduces heat loss in winter and keeps cool air inside during summer.

ENERGY STAR Certified Windows
We install ENERGY STAR-certified windows that meet strict energy-efficiency standards set by the U.S. Environmental Protection Agency. These high-performance windows utilize advanced glazing technologies, gas fills, and thermally improved frames to minimize heat transfer. For South Dakota properties, ENERGY STAR windows deliver measurable reductions in heating and cooling costs while eliminating cold spots and condensation.