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15 Years
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Emergency
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Professional HVAC Installation & Repair Services
Established in 2011, D&C Mechanical is a family-owned HVAC contracting company serving Tewksbury, MA and surrounding areas. Our team of certified technicians specializes in residential and commercial heating, ventilation, and air conditioning systems, offering comprehensive installation, repair, and replacement services. We prioritize customer satisfaction through personalized consultations, transparent pricing, and prompt project completion.

With over a decade of experience, we combine technical expertise with a commitment to reliability, ensuring energy-efficient solutions tailored to each client's needs. Our reputation for honesty and quality craftsmanship has been built through consistent delivery of dependable HVAC services across the Boston region.
Services
Air Conditioning Installation Heating System Repair Commercial HVAC Services AC Replacement Heating Installation Emergency Repairs System Maintenance Energy Efficiency Upgrades
Details
  • Year established: 2011
Highlights and features
  • We offer over 12 years of dedicated HVAC service experience in the Tewksbury area
  • Our certified technicians provide personalized consultations for customized solutions
  • We guarantee transparent pricing with no hidden fees
  • We maintain a 24/7 emergency service for urgent HVAC needs
  • We prioritize energy-efficient solutions to reduce long-term operating costs
What people say
Dependable service Great pricing Professional technicians Energy-efficient solutions Prompt emergency response
Services
Air Conditioning Installation
We specialize in residential and commercial air conditioning installation, offering a wide selection of energy-efficient models. Our technicians assess your property's cooling needs and budget requirements before recommending optimal solutions. With proper system sizing and professional installation, we ensure maximum comfort and long-term efficiency for homes and businesses in Tewksbury, MA.
Heating System Repair
Our emergency heating repair services address malfunctioning systems during cold Massachusetts winters. Technicians perform thorough diagnostics to identify issues with furnaces, boilers, or heat pumps. We prioritize rapid response times and cost-effective repairs while maintaining system efficiency and safety standards for residential and commercial clients.
Commercial HVAC Services
We provide comprehensive HVAC solutions for commercial properties including system installation, preventive maintenance, and emergency repairs. Our team understands the critical nature of climate control for businesses and ensures minimal operational disruption. With customized service plans, we help commercial clients maintain comfortable environments while optimizing energy consumption.
AC Replacement
When repair costs exceed 30% of new equipment value, we recommend air conditioning replacement. Our inventory includes high-efficiency models with advanced features like programmable thermostats and smart controls. We handle complete system removal and installation, ensuring proper refrigerant handling and ductwork compatibility for improved cooling performance.
Heating Installation
We install modern heating systems including gas furnaces, electric heat pumps, and boiler systems. Our process begins with load calculations to determine optimal system size and configuration. We provide energy usage projections and help clients select appropriate equipment from our inventory of quality brands, ensuring proper installation and long-term reliability.
Questions
Should I repair or replace my existing HVAC system?
Replace when repairs exceed 30% of new system cost or energy bills have increased 50% due to outdated equipment inefficiency.
How much can I save with new HVAC equipment?
Energy Star systems can reduce energy consumption by up to 60% compared to 10-year-old units, significantly lowering utility costs.
What thermostat works best with my system?
We recommend programmable thermostats or Wi-Fi enabled models for optimal energy savings and remote system control capabilities.
How do I select the right HVAC contractor?
Choose contractors associated with recognized brands who offer manufacturer-backed training and comprehensive system evaluations.
Can existing HVAC components be reused?
Our technicians inspect electrical systems and ductwork to determine reusable components during system upgrades or replacements.
How can I improve indoor air quality?
We offer air purification systems, UV lights, and humidity control solutions to address common indoor air quality concerns.