ModernControls

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About ModernControls
ModernControls has served New Castle, Delaware and surrounding communities since its founding, establishing itself as a regional HVAC contractor with a presence across New Castle County. The company holds proper licensing for residential and light commercial work, and maintains a 4.0-star rating across 19 customer reviews. Their team operates Monday through Friday from 7:30 AM to 4:30 PM, providing heating and cooling services to homeowners throughout the greater New Castle area including Wilmington, Newark, and Middletown.
What distinguishes ModernControls from neighboring contractors is their commitment to transparent service and customer education. Reviewers consistently note that technicians take time to explain issues clearly before performing repairs, a practice that builds trust with first-time customers. The company handles refrigerant (Freon) services, a specialty that some area contractors avoid due to licensing requirements. Their team includes owner Mr. Peet, who personally consults with customers on major projects like system replacements.
Customer experiences reveal specific scenarios where ModernControls delivers. For Roy Trieu, a technician responded to an inquiry about a struggling cooling system, diagnosed low refrigerant, and completed the refill efficiently, turning a prospective customer into a likely repeat client. Todd Willard described a full AC and ductwork replacement completed ahead of schedule by a crew led by Rich and Jim, with owner Peet outlining the project scope upfront. These named team members represent the faces behind the company name, giving potential customers a sense of who might arrive at their door.
What Customers Say
Of 19 reviews, 8 rate the company 5 stars citing professional technicians, clear communication, and quality installations. Three 1-star reviews mention customer service frustrations, long hold times, warranty disputes, and unrelated driving complaints. The remaining reviews fall between these extremes, with feedback balanced between praise for diagnostic skill and criticism of service guarantees.
Working Hours
| Sunday | Closed |
| Monday | 7:30 AM–4:30 PM |
| Tuesday | 7:30 AM–4:30 PM |
| Wednesday | 7:30 AM–4:30 PM |
| ThursdayToday | 7:30 AM–4:30 PM |
| Friday | 7:30 AM–4:30 PM |
| Saturday | Closed |
Services
AC Repair & Maintenance
Diagnostic services, refrigerant recharge, and tune-ups for residential cooling systems
Heating System Service
Furnace and heat pump repair and maintenance for Delaware homes
New HVAC Installation
Complete system replacements including AC units and ductwork installation
System Diagnostics
Technical assessments identifying issues like refrigerant problems or component failures
Commercial HVAC Services
Equipment repair and maintenance for commercial properties in the region