APT Heating and Cooling
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Harker Heating & Cooling repairs and installs furnaces, boilers, heat pumps and air conditioning in Madison, Wisconsin, and answers emergency calls around the clock.
Harker Heating & Cooling handles furnaces, boilers, heat pumps, ductless mini-splits and air conditioning, covering both repairs and installations. Its work includes Carrier and Mitsubishi equipment, and it also offers structural drying. Emergency heating and cooling calls are taken around the clock, every day, and no-heat breakdowns are among the problems it attends to. Free in-home estimates are offered, and financing is available for larger jobs. Founded in 1949, the company is family-owned and based in Madison, serving Dane County and its surrounding area. Its crews also carry out furnace maintenance visits ahead of the cold season, when heating systems most often need attention.
Listed under Heating and cooling emergencies
Checked 12 Nov 2026, from public sources.
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