D9 Construction - Dover's Top-Rated HVAC Repair

We provide full-spectrum demolition services tailored to your renovation needs. This includes interior demolition to clear rooms, exterior and wall demolition for additions, partial structure removal, or total structure demolition for a complete rebuild. Our process is careful and systematic, ensuring your property is properly prepared for the next phase of construction, whether it's a residential update or a commercial build-out.

Yes, absolutely. We are a full-service contractor. After managing the core construction phases like demo, plumbing, electrical, and HVAC, we specialize in the finishes that bring a space together. Our team handles custom flooring installation, painting and staining, and the detailed work on ceilings and walls to deliver a complete, polished result for your home or business.

Mold in ductwork and poor indoor air quality are common concerns in our local climate. As part of our HVAC services, we can inspect, clean, and remediate duct systems to remove mold sources and improve airflow. We also advise on and install proper ventilation solutions as part of a renovation to help maintain healthier air quality in your home long-term.