HVAC contractors install and maintain systems that involve electrical work, gas lines, and chemical refrigerants. Equipment failures can cause fires, carbon monoxide poisoning, or refrigerant leaks with significant legal consequences. An LLC protects your personal assets from these risks and is typically required for HVAC contractor licensing. Seattle is home to ~80K businesses and has a population of 737K, making it a thriving market for hvac contractors. Forming your LLC in WA provides personal asset protection and positions your hvac contractors business for growth in the Seattle metro area.