Since 1990, GNL Heating & Cooling has been providing expert heating, cooling, and air quality services to retail and residential customers.

Locally owned and operated, GNL's reputation for quality is unsurpassed. Unlike our competitors, who only guarantee their service for 90 days, GNL's unique Customer Trust Guarantees guarantee GNL's service for one full year. If you're not totally satisfied at any time during that year, we'll cheerfully give you your money back.