Cozy - D Heating & A/C LLC

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About Cozy - D Heating & A/C LLC
Cozy-D Heating & Air Conditioning has served the Dallas-Fort Worth metroplex since 1997, making it a fixture in the local HVAC scene for over 27 years. With a near-perfect 4.9-star rating across 448 reviews, the company holds license TACLB 16822EF and operates Monday through Friday from 8 AM to 5 PM. Cozy-D technicians service residential and commercial properties throughout the DFW area, including Dallas, Fort Worth, Arlington, Plano, Irving, and surrounding communities. The company emphasizes punctuality, transparent pricing, and quality workmanship delivered the first time.
What distinguishes Cozy-D from other area contractors is their commitment to technician screening and customer guarantees. Every service technician undergoes drug testing and background checks before entering client homes, a policy that sets them apart in an industry where this is rarely guaranteed. The company offers no upfront payments, a satisfaction guarantee, and their Fixed Right Promise meaning they correct any issues at no additional charge. They also waive overtime charges six days a week, providing flexibility for homeowners facing emergency breakdowns. As a Better Business Bureau accredited business, Cozy-D provides 24/6 support for urgent HVAC problems.
Customer reviews repeatedly mention specific technicians who delivered exceptional service. Thomas received high praise for diagnosing and repairing multiple components in an attic HVAC system, including the actuator, capacitor, contactor, and secondary pan, at a reasonable price while arriving exactly on time. Reviewer Pamela Collins highlighted technician Krystal for her friendly scheduling assistance and noted that technicians photograph repairs and explain each step so homeowners understand the work. Cozy Rosy called Thomas the best technician they have ever found, emphasizing that pricing was very reasonable compared to other HVAC companies.
What Customers Say
448 reviews yield a 4.9-star average, with technicians Thomas and Adrian specifically named for arriving on time, explaining repairs clearly, and delivering fair pricing. Multiple reviewers mention the company handled complex jobs other contractors struggled with, including refrigerant recharges and Mitsubishi split system issues.
Working Hours
| Sunday | Closed |
| MondayToday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
Services
Heating System Installation & Repair
Installation, maintenance, and troubleshooting for all heating equipment types, with upgrades available for improved energy efficiency.
Air Conditioning Services
Central air, split systems, and ductless mini-split installation plus repairs for refrigerant leaks, compressor failures, and cooling performance issues.
Preventive Maintenance
Twice-yearly inspections, cleaning, filter replacement, belt changes, and component servicing to extend HVAC system lifespan.
Ventilation & Ductwork
Fresh air circulation systems, ductwork design, and installation to ensure proper airflow throughout homes and businesses.
Emergency HVAC Repairs
Same-day and next-day response for unexpected breakdowns, with 24/6 support available six days per week.
System Diagnostics
Thorough evaluation of heating and cooling problems with photo documentation and clear explanations provided to homeowners.