Welcome to our Testimonial Section of the Quadlockneusa Web Site Quadlock homes boast of Energy Efficiency / Comfort! 700 gal. Fuel Oil per anum 80 % reduced electrical costs ($14-$18 per month @ 69 degrees) Sound qualities and "Draft" elimination surpass conventional construction. Because we are a new distributor of the Quadlock building system we currently acquiring client testimonials. Come Back soon to visit this area to find out what our customers have to say about this innovative, energy saving construction medium.