You can't put a price on peace-of-mind. A WarmlyYours floor heating tester is shipped free with every order. The WarmlyYours Safety Siren monitors the floor heating system during installation to ensure a fault-free project. An industry-leading 24/7 technical support line is also available from WarmlyYours to help installers day and night. Call 1.800.875.5285 for your FREE information kit, or visit www.WarmlyYours.com.