About Us

Climate Experts of Delmarva is a locally owned and operated HVAC company. William “Steve” Mills is a 3rd generation to offer HVAC needs to Sussex County as well as surrounding areas. Steve’s Grandfather started in 1947 in Bethany.  Steve grew up in Sussex County watching as his Father service the HVAC needs of Bethany Beach and surrounding areas. Steve has been doing HVAC for 30 plus years.  He has earned his Master’s in HVAC as well as obtaining a Civil Engineering and Business Management degrees. After working for other area HVAC companies Steve was ready to open up his own company. Climate Experts is a licensed and insured HVAC retailing, servicing and maintenance company which offer a wide range of service revolving around HVAC (heating, ventilation, and air conditioning) systems.

Here at Climate Experts, we provide high-quality and affordable installation, inspection, cleaning, maintenance and repair services. We also ensure a top-notch customer service. Our employee’s and technicians treat our customers and valuable properties with the utmost respect so as to build a long-lasting relationship.

Climate Experts not only serves residential HVAC needs but those of several local business, restaurants, hotels, and marine clients. Climate Experts is made up of several division’s and we are growing more and more.


We help keep homes on Delmarva the perfect temp all year long!


Providing commercial HVAC services in the Delmarva area.


We are the marine HVAC experts. Refrigerators, freezers, and more.


We provide restaurants with reliable and efficient HVAC systems.

Climate Experts is located in Ocean View 35849 Atlantic Ave Unit 1 Millville DE 19967, across from Lord Baltimore Elementary school where not only will you find the corporate office but you will also find that we have a retail store offering many HVAC supplies. We also are able to offer a show room showing several different types of equipment that we install. Feel free to stop by, our hours are Monday-Friday 8:00am-4:00pm. Or give us a call 302-402-3117.