Redline Heating and Cooling LLC. was created in 2004 and specializes in installation, maintenance and repair of furnace and air conditioning systems. As a family owned and operated business, we pride ourselves on timely service and quality customer care. DENVER’S PREMIER HVAC CONTRACTOR Redline Heating and Cooling understands that your hectic life makes it difficult to keep up with the demands and challenges of local weather. With accommodating scheduling and quick turnaround, we facilitate cost-effective solutions. Our goal is to minimize stress, disruption, and safety risks through superior business ethics and customer service.