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Home Plans Featuring R-Control SIPs

R-Control SIPs and HDA free home plans (HDA, Inc.) has partnered with R-Control SIPs, to bring you greener homes! Purchase a home plan from and have it built with Structural Insulated Panels (SIPs) for unbelievable energy savings. HDA’s 15 top-selling plans have been drawn with SIP wall construction so you can visualize the home with SIP walls and without. Any of the 17,000 plans can be converted for your convenience. Check out our collection at!

SIP Panels used in green homes from HDA

HDA features many best-selling plans on The site uses cutting edge technology to offer something no other major home plan website offers - a free search by estimated home price. represents the nation’s leading designers and architects and gives consumers access to over 17,000 home and project plans that cover a wide range of architectural styles in a variety of sizes. A broad assortment is represented to match different lifestyles and budgets.

Structural Insulated Panels and free home plans