About

At On Time Heating & Cooling, we specialize in HVAC repair, maintenance, and installation for all residential heating and cooling systems. We service air conditioners, heat pumps, furnaces, boilers, and oil heating systems of any brand or age. Our licensed team proudly serves Waukesha with expert AC repair, furnace installation, boiler maintenance, and more. Whether it’s fixing an air conditioner that won’t cool or replacing an outdated heating system, we’re here to help. We’re 5-star rated, locally owned, and always on time. We keep your HVAC system running like clockwork.

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