Hiller Blog

Why Your HVAC Unit Isn’t Working | 4 Things That Cause HVAC Issues

Having a working HVAC unit is essential for two very big reasons – the comfort of your home and the size of your energy bill. For you to get the most cost-savings, efficiency, and lifespan out of your unit, everything must be fully operational. We’ve broken down the four main things that cause HVAC issues and why your HVAC unit isn’t working.