Tech arrived to problem call for entire home. System is located in crawlspace for entire home. Furnace is roughly 40 years old and non operational. Verified thermostat is calling at unit. No pilot lit and no action from blower motor. Blower assembly is completely corroded and covered with debris. Checked heat exchanger and found heat exchanger completed corroded and rusted. Several duct runs are hanging together by duct tape and barely together. AC system is roughly 15 years old and using R410. Spoke to homeowner over the going and homeowner agreed to have quote on system replacement. Scheduled consultation for tomorrow 11-2. System is non operational and not heating. Thank you for letting TE Certified service your home.