Harbor City Oil & Propane - Duluth's Certified HVAC Repair

We specialize in comprehensive propane services for Duluth residents and businesses, including reliable propane delivery, tank refills, and wireless tank monitoring for convenience. Beyond fuel, our expert team installs and services high-efficiency propane furnaces and boilers, ensuring your home stays warm and efficient through our northern Minnesota winters, backed by our 24/7 emergency service.

Our Duluth-based technicians are familiar with the specific challenges local homes face, such as duct leaks that reduce heating efficiency in older properties or smart thermostat compatibility issues. We provide thorough inspections to identify and seal duct leaks, improving system performance, and offer expert guidance and installation for smart thermostats to ensure they work seamlessly with your furnace for better comfort and control.

Yes, we provide complete year-round comfort solutions. In addition to our heating services, we sell and install quality residential central air conditioning units. Our team can help you stay cool during Duluth's warmer months, and we often find opportunities for efficiency savings, with furnace savings up to 40% for qualifying systems when you upgrade your home's climate control with us.