C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC

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About C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC
C.D. Shanahan's HVAC, Plumbing, Electrical & Remodeling LLC serves Springfield, Virginia with a 4.9-star average drawn from 1,049 customer reviews. The company maintains 24-hour availability across all seven days, a operational standard reflected in their advertised hours. This full-service contractor handles residential projects spanning multiple trades, addressing the varied maintenance and upgrade needs common to homes throughout Northern Virginia communities. Reviews consistently reference the company's willingness to tackle complex diagnostic challenges that other contractors overlooked.
The contractor distinguishes itself through meticulous system evaluations and transparent option presentation. Reviewers describe receiving comprehensive breakdowns comparing multiple solution tiers rather than pressure-filled sales pitches. A particularly noted case involved identifying elevated CO2 concentrations that three separate prior inspectors had missed, demonstrating diagnostic thoroughness. The company addresses indoor air quality comprehensively, with documented experience installing whole-house dehumidifiers and energy recovery ventilators requiring creative ductwork adaptation.
Technicians named in reviews include Brandon, who diagnosed intermittent heating failures during extreme cold spells, and Elijah, described as knowledgeable and communicative during a residential assessment. Multiple reviewers praise the team's scheduling flexibility, accommodating clients mid-move with compressed timelines, providing same-day emergency response, and avoidingupselling tactics despite handling urgent requests. The combination of diagnostic expertise and customer accommodation appears repeatedly across feedback, with technicians adapting installation approaches to suit specific home configurations.
What Customers Say
Across more than one thousand reviews, nearly all five-star ratings cite diagnostic thoroughness and transparent pricing options. Multiple reviewers specifically mention same-day emergency arrival and technicians who proposed solutions without attempting unnecessary upsells. Technicians named across reviews include Brandon, Troy, Dan, Kevin, Jasmine, and Elijah.
Working Hours
| SundayToday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | 8 AM–1 PM |
| Saturday | Closed |
Services
HVAC System Repair & Replacement
Diagnoses and repairs heating and cooling systems including older installations exceeding three decades of service.
New System Installation
Installs complete HVAC systems with detailed option presentations covering tiered pricing and efficiency considerations.
Whole-House Dehumidification
Installs whole-home dehumidifiers with customized placement to address humidity control requirements.
Energy Recovery Ventilation
Installs ERV units requiring custom ductwork design for challenging residential configurations.
Indoor Air Quality Solutions
Addresses IAQ concerns including CO2 monitoring, ventilation assessment, and air treatment system integration.
Plumbing Services
Full plumbing installation and repair services as indicated by the business name and multi-trade capability.
Electrical Services
Electrical installation and repair work supporting HVAC systems and broader home electrical needs.
Remodeling Services
Home remodeling project support coordinating across the mechanical trades category.