D&DO Service.Inc
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About D&DO Service.Inc
D&DO Service.Inc operates as a dedicated HVAC contractor serving the Miami metropolitan area with a remarkable 4.9-star rating drawn from 24 client reviews. The company maintains consistent availability, extending service hours from 7 AM to 9 PM across all seven days of the week, including weekends. This daily availability positions the contractor as a responsive option for Miami homeowners facing urgent climate control needs in a region where year-round cooling demands remain constant. Multiple reviewers emphasize the team's professionalism and commitment to delivering great service, establishing a reputation built on reliable customer interactions rather than marketing claims.
Without access to the company website or explicit brand partnerships documented in available materials, this contractor distinguishes itself through the personal connections reviewers consistently describe. Several clients specifically mention working with technicians named Oledin and Alonso, highlighting individual expertise rather than generic service descriptions. The reviews reveal a pattern of punctuality and efficiency, with one homeowner noting their cooling system now operates more effectively while consuming less power, suggesting the team prioritizes system optimization alongside basic repairs. This focus on tangible performance improvements reflects an approach centered on practical results rather than promotional messaging.
Customer experiences shared through reviews paint a picture of a team that arrives prepared and completes work thoroughly. David Alvarez's account describes receiving efficient service that produced measurable results, while John Varon's review emphasizes the contractor maintains all necessary licenses and insurance coverage. The reviewer from Peoples Insurance Group Inc specifically mentions fast response times alongside excellent service execution. These accounts collectively suggest a contractor who values straightforward professionalism over elaborate marketing, with team members who develop ongoing relationships with repeat clients.
What Customers Say
Eight reviews collectively award five stars, with three reviewers specifically naming individual technicians (Oledin, Alonso) as knowledgeable and trustworthy. Response speed emerges as a consistent theme across multiple accounts, with one reviewer noting fast response during their service experience.
Working Hours
| Sunday | 7 AM–9 PM |
| Monday | 7 AM–9 PM |
| Tuesday | 7 AM–9 PM |
| Wednesday | 7 AM–9 PM |
| Thursday | 7 AM–9 PM |
| FridayToday | 7 AM–9 PM |
| Saturday | 7 AM–9 PM |
Services
AC Repair & Maintenance
Diagnoses cooling system failures, performs tune-ups, and optimizes system efficiency to reduce power consumption while improving cooling performance.
Heating System Service
Addresses heating functionality for Miami properties where occasional cold spells require reliable warming equipment.
Emergency HVAC Response
Provides same-day or next-day service for urgent climate control failures, with extended daily hours enabling flexible scheduling.
System Efficiency Evaluation
Assesses existing HVAC performance and recommends upgrades or adjustments that lower energy costs while maintaining comfort.
Indoor Air Quality Assessment
Evaluates ventilation and filtration conditions to identify improvements for homes with allergy concerns or humidity management needs.