A+ Derr Heating & Cooling

A+ Derr Heating & Cooling has earned a 4.9-star rating across 1,112 verified reviews in Evansville, Indiana. The company operates around the clock, every day of the week, handling residential heating and cooling needs for homeowners throughout the city and nearby communities. Reviewers consistently praise the responsiveness of Nick, who handles estimates and customer questions, and the professional crews who arrive at homes to complete installations and repairs.

The company's rapid response capability sets it apart in the Evansville market. Homeowners report receiving same-day estimates and having new equipment installed within 24 hours of their first contact. Several reviews mention teams working 12-hour days to complete jobs, with technicians staying late to clean up workspaces. This commitment to completing work thoroughly, rather than leaving jobs unfinished, appears repeatedly in customer feedback.

Customers describe specific technicians who handled their needs with skill and courtesy. Cole led a three-person crew that installed a new HVAC system and tankless water heater, navigating challenges in an older home while maintaining efficiency throughout a full day of work. Ricky arrived the day after a Sunday request to repair a furnace that had stopped working, completing seasonal maintenance during the same visit. Both technicians were named by reviewers who appreciated clear communication and careful post-job walkthroughs.