Dense Residential Services Inspections & Tune-Ups Save money on energy costs. Keep your heating and cooling units running at peak performance for high efficiency and avoid costly repairs in the future. Call today! New System Installs Expert technicians & quality products. Our technicians are trained to help you choose the best system for your budget and home. Call for an assessment and quote! Fast Service We won’t waste your time by having you wait for an HVAC technician to arrive. We know that your time is valuable, so we make it a point to be on time for each HVAC service or installation. Quality Repair Fast and reliable service. Our experienced technicians will diagnose your problem quickly and determine the extent of any repairs that will be required. Energy Savings Protect your investment. Schedule your residential energy savings agreement today and start lowering your bills, extend equipment life and improve capacity. Support Dense takes great pride in providing outstanding customer service and support. We have worked hard to build a reputation for quality for over 50 years.