Dretzka Heating & Air

Dretzka Heating & Air has built a loyal following across Franklin and southeastern Wisconsin, earning 48 five-star reviews from homeowners who appreciate honest work and straightforward pricing. Joe Dretzka, who founded the company, handles service calls personally alongside technician Mike, and the team regularly works on both residential homes and commercial properties. From aging furnace replacements to first-time central air installations in century-old houses, the crew approaches every job with the same attention to detail, whether the project takes a few hours or requires navigating decades-old radiant heating systems.

What distinguishes Dretzka Heating & Air is Joe's commitment to doing the job completely, not just the job paid for. Multiple reviewers recount instances where Joe identified and resolved additional problems at no extra charge: a leaking bathroom fan hose in the attic, bee hives blocking a roof vent, a faulty furnace drain hose. He checks ductwork and ventilation top to bottom before considering the work finished, and he takes time to explain how new equipment operates, walking homeowners through thermostat setup until they're comfortable. The team also handles service repairs at commercial properties, responding promptly to repair needs regardless of the issue.

Kara Thomas's 120-year-old Franklin home presented one of the team's more challenging installs: adding air conditioning to a house with original radiant heating, a project that required patience and custom solutions. Mark Piekarski's humidifier installation revealed Joe's thoroughness when he discovered three separate issues beyond the original scope and addressed all of them during the same service call. Andrea Klaus's furnace failure during winter led to same-day quotes and next-day installation, keeping her family warm when temperatures plunged. These situations define the contractor's approach: respond quickly, price fairly, and don't leave until the home is genuinely comfortable.