Koz Heating & Cooling - Sterling Heights's Trusted HVAC Repair

Our maintenance service is designed to keep your system running efficiently and address common local issues like dirty condenser coils. We perform a thorough inspection, cleaning, and tune-up of your entire heating and cooling system. This helps prevent breakdowns, lowers energy bills, and extends the life of your equipment, which is especially important with Michigan's varying seasons. As N.A.T.E. certified technicians, we ensure every check is precise and professional.

Yes, we provide expert installation for both traditional tank-style and tankless water heaters. Our team will assess your home's specific hot water needs, water quality, and utility setup to recommend the most efficient and cost-effective option for your household. We are experienced with all major brands and ensure a proper, code-compliant installation for reliable performance and safety.

Poor indoor air quality is a common concern we address directly. Beyond standard HVAC maintenance, we offer specialized solutions like installing whole-home humidifiers, dehumidifiers, and Ultra-Violet Germicidal Light systems that target airborne contaminants. We can also evaluate and improve your ductwork to ensure proper air circulation and filtration. These services help create a healthier, more comfortable living environment for your family year-round.