Diversified Refrigeration
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Diversified Refrigeration holds a 4.3-star rating derived from 12 customer reviews, positioning them among mid-tier rated contractors in the Dublin area. Operating from southeastern Pennsylvania, the business specializes in commercial and industrial heating, ventilation, air conditioning, refrigeration, and boiler systems. Their client base extends beyond Dublin to include schools and universities, senior living communities, manufacturing facilities, hospitals, outpatient health centers, hotels, restaurants, and museums. The company maintains standard weekday hours Monday through Friday from 7:30 AM to 4 PM, with 24/7 emergency callback service available for contract customers requiring after-hours support.
This contractor distinguishes itself through deep specialization in commercial refrigeration, including walk-in coolers and freezers, split refrigeration systems, and ultralow systems designed for food production and storage applications. Their boiler portfolio covers building heating, process heating, domestic hot water, high-efficiency condensing boilers, and low-pressure steam systems. The business offers integrated solutions including preventative maintenance programs, service and repair, system replacements, renovations, and design/build services. Energy efficiency upgrades and building automation system integration represent additional capabilities targeting clients seeking operational cost reductions.
Customer reviews reveal responsive service under pressure. One reviewer managing a wedding venue described a same-day emergency call where the technician arrived within two hours on a weekend and stayed until 7 PM to ensure the cooler functioned before leaving. Another reviewer in long-term care facilities noted arrival within an hour of their call, treating them as a priority. Multiple five-star reviews spanning 15 to 19-year relationships with institutions including Pearl S. Buck International and a church with preschool operations attest to sustained service quality. Reviewers consistently mention technicians explaining service procedures and working around normal business operations.
What Customers Say
Six of six published reviewers awarded five-star ratings, with two explicitly citing same-day or within-hour emergency response times. Three reviews reference multi-decade relationships exceeding 15 years. Speed and punctuality dominate positive mentions alongside respectful workplace conduct.
Working Hours
| Sunday | Closed |
| Monday | 7:30 AM–4 PM |
| Tuesday | 7:30 AM–4 PM |
| Wednesday | 7:30 AM–4 PM |
| ThursdayToday | 7:30 AM–4 PM |
| Friday | 7:30 AM–4 PM |
| Saturday | Closed |
Services
HVAC System Installation & Service
Package units, chillers, cooling towers, central cooling, VRF/VAV systems, mini-splits, and control systems for commercial applications.
Commercial Refrigeration
Walk-in coolers and freezers, split refrigeration, ultralow systems for food and beverage production and storage.
Boiler Services
Building heating, process heating, domestic hot water, high-efficiency condensing, and low-pressure steam boilers.
Preventative Maintenance
Scheduled maintenance programs designed to keep equipment operating efficiently and reduce unexpected failures.
Emergency Repair
24/7 emergency callback service for contract customers requiring after-hours support and urgent repairs.
System Replacement & Renovation
Equipment upgrades, system replacements, and renovation services for aging or failing HVAC infrastructure.
Energy Efficiency Upgrades
Retrofit and upgrade services targeting operational cost reductions in commercial buildings.
Building Automation Integration
Integration services connecting HVAC systems to building management platforms for centralized monitoring and control.