Randolph, MN—where brutal winters collide with humid summers—demands HVAC systems that can handle both extremes. Streitz Heating & Cooling delivers exactly that with rugged, high-efficiency equipment and skilled technicians who keep your home comfortable all year long.

Our Randolph customers love our no-pressure approach and clear, detailed recommendations. We don’t just sell equipment—we design solutions around each household’s needs, preferences, and budget.

Whether you need a fast repair or a complete system upgrade, Streitz is the HVAC partner Randolph families trust for reliable service and honest results.

Great service starts with trust, but it’s sustained by capability. Streitz doesn’t dabble in heating and cooling—we specialize in it, bringing the same meticulous care to a cracked heat exchanger as we do to a complex geothermal loop or a whole-home air-exchanger installation. Our technicians arrive in clearly marked vans loaded with factory-authorized parts, so most repairs are finished in a single visit.

From emergency fixes to proactive efficiency upgrades, Streitz Heating & Cooling is the one number you need to remember: (507) 645-4040.