We offer Architectural Designs, Building Plans, HVAC Systems- What can we offer you? Design in winter, construct in spring. . . finish sooner, enjoy longer! We are qualified to design, draft and review building plans for additions, renovations and new designs We design and review building plans for fast track building permits We provide floor plans for additions and renovations of residential or commercial buildings We are Residential Duct System Designers and perform Heat Loss Heat Gain Calculations.