From start to finish, the experience with Heinanen Engineering was incredibly professional. Unlike other companies, they didn't take a 'one size fits all' approach; they actually performed a full load calculation to ensure our new system was perfectly sized to prevent frequent cycling and excessive wear.
The attention to detail was impressive—they even custom-made the ductwork to ensure proper airflow. The technicians were clearly experts, highly knowledgeable about the systems, and very respectful while working inside our home.
I really appreciated the zero-pressure sales environment. They provided facts and details on how the system would perform... read full review
May 2026
I called for air-conditioning service on a Sunday night and they were out before noon on Monday on a hot day in May. Very very appreciative of their quick response. The technician had it resolved within an hour. I recommend them to anybody that needs quality A/C or heating service. I’ve been a loyal customer of theirs for 20 years.
March 2026
Steve was very knowledgable and had a lot of good insight on our furnace. Answered all my questions about keeping our system in check, they care about keeping their clients educated!
From start to finish, the experience with Heinanen Engineering was incredibly professional. Unlike other companies, they didn't take a 'one size fits all' approach; they actually performed a full load calculation to ensure our new system was perfectly sized to prevent frequent cycling and excessive wear. The attention to detail was impressive—they even custom-made the ductwork to ensure proper airflow. The technicians were clearly experts, highly knowledgeable about the systems, and very respectful while working inside our home. I really appreciated the zero-pressure sales environment. They provided facts and details on how the system would perform... read full review
I called for air-conditioning service on a Sunday night and they were out before noon on Monday on a hot day in May. Very very appreciative of their quick response. The technician had it resolved within an hour. I recommend them to anybody that needs quality A/C or heating service. I’ve been a loyal customer of theirs for 20 years.
Steve was very knowledgable and had a lot of good insight on our furnace. Answered all my questions about keeping our system in check, they care about keeping their clients educated!