Lumank Inc

Lumank Inc delivers residential heating and cooling solutions to homeowners across Bellevue and neighboring communities including Kirkland, Redmond, and Mercer Island. The company holds a 5.0-star rating built from 50 client reviews, demonstrating consistent quality in heat pump installations, AC repairs, and system replacements. Eastside homeowners count on Lumank for responsive service and technical expertise across both standard and complex HVAC configurations. The business operates Monday through Friday from 9 AM to 5 PM, providing scheduled appointments for installations and maintenance.

Lumank differentiates itself through efficient turnaround and meticulous installation practices. The team completes full heat pump system design tailored to each home's square footage and layout, then executes installations within a week of initial contact. Every job includes workspace cleanup and owner education on system operation.

Customer reviews highlight specific team members who deliver exceptional service. Amber provides same-day responses and walks homeowners through rebate qualification, while Nick and Ben execute installations with careful attention to detail, arriving on time, working full days, and explaining system operation before departure. Jesse Harrington describes receiving a quote within 24 hours of contact and having a new air handler and heat pump installed the following week. Fangzhi Zhang notes the team replaced an electronic panel for enhanced safety and left the workspace spotless.