ASTI Heating & Air

ASTI Heating & Air is a licensed furnace and air conditioning contractor serving the greater Chicago metropolitan area, including Oak Park, Evanston, and Naperville. Founded with a commitment to honest diagnostics and fair pricing, the company has Earned a spotless 5.0-star rating from their client reviews, with Tammy Kamholz praising their punctual arrivals and refusal to upsell unnecessary services. Their technicians specialize in heating system repairs, AC maintenance, and mini-split installations for both residential and light commercial properties.

What distinguishes ASTI Heating & Air from neighboring contractors is their status as a certified Armstrong Air dealer, offering customers access to premium equipment backed by manufacturer warranties. The company provides tiered service packages labeled Good, Better, and Best, allowing homeowners to select coverage levels instead of forcing premium tier upgrades. They also offer long-term financing options and accept major credit cards including Mastercard, Visa, and Discover, making unexpected furnace failures more manageable for families facing unplanned repair costs.

Customer Tammy Kamholz described her experience as "excellent company with superior service" noting technicians arrived on time and demonstrated complete knowledge of the systems they serviced. Her review emphasized trust in their recommendations without pressure to purchase additional items. While the company maintains 24/7 emergency availability for late-night heating failures during bitter Chicago winters, their documented customer feedback consistently praises the straightforward approach taken by their service team.