Find and Invite the Best Commercial HVAC Contractors in Dover, NH

BDL Heating & Cooling is a full-service HVAC and plumbing contractor established in 2001, specializing in the installation, service, and maintenance of systems for residential, commercial, and new construction applications in Massachusetts and Rhode Island. The company prides itself on high-quality work, professionalism, and maintaining close relationships with clients, offering a range of services including heating, cooling, air filtration, and plumbing, backed by a commitment to customer satisfaction and team-oriented employee growth.

Excel Mechanical is a locally-owned company specializing in heating, cooling, and plumbing services for residential and commercial applications, serving the Greater Boston area since 1996 with a reputation for exceptional work and service.

Winchester Mechanical is a second-generation, full-service family-owned and operated business with over 40 years of experience, specializing in commercial and residential HVAC installation, service, and repair, as well as indoor air quality systems, serving New Hampshire and Massachusetts.

PH Mechanical is a business specializing in the design, installation, and maintenance of HVAC and plumbing systems, offering 24/7 emergency services and maintenance agreements. The company prides itself on its solutions, innovation, and commitment, and has a history of working with architects, engineers, and general contractors to build long-term client relationships.

Hamel & McAlister, Inc. is a leading mechanical contractor based in Massachusetts, offering specialized HVAC and mechanical solutions for commercial and industrial projects, with a commitment to excellence, innovation, and customer satisfaction over three decades of business.

Advance Air & Heat Company, Inc. is a certified Woman-Owned Business (WBE) that provides full-service commercial HVAC, refrigeration, and building automation services in Massachusetts, Cape Cod, and Rhode Island, with a focus on environmentally friendly and economical solutions tailored to individual client needs since 1986.

DENS Facility Services is a company specializing in integrated facilities management, including maintenance, lab support, operations, and technical services for life sciences facilities. They focus on ensuring the smooth operation of R&D pipelines, from drug discovery to commercialization, by providing a full range of facility and laboratory services tailored to their clients' unique needs.

J.F. White is a construction company specializing in engineered solutions for complex projects, encompassing heavy civil, electrical, mechanical, and deep foundation systems, and is recognized for its commitment to safety, environmental consciousness, and ethical compliance.

SIGMA Mechanical Services is a full-service HVAC, refrigeration, and plumbing company based in Marshfield, serving the South Shore community of Boston with installations, maintenance, and emergency services for both commercial and residential projects.

Since 1924, J.C. Higgins has grown to be one of the largest fully integrated mechanical contracting companies in Massachusetts, Rhode Island, and New Hampshire, offering a single-source solution for complete mechanical systems and services. As a subsidiary of EMCOR Group, Inc., the company provides a range of services including HVAC installation, plumbing, and facilities operation with a commitment to excellence and integrity.

JJ White Inc. is a multi-trade contractor founded in 1920, headquartered in Philadelphia, United States, specializing in industrial maintenance, general, mechanical, electrical, and HVAC construction services with a strong commitment to safety, innovation, and quality.

Integrated At Work (IAW) is a premier specialty contractor that provides interior architectural products and engineered solutions for commercial projects throughout New England, offering services that include design, procurement, project management, and installation.

Sagamore is a mechanical contractor that provides commercial HVAC and plumbing services, including design-build, maintenance, and installation, to clients in industries such as healthcare, biotech, and pharmaceuticals across New England. The company prides itself on safety, quality, customer satisfaction, and has a dedicated team equipped to handle complex projects with a focus on education and innovation.

GEM Plumbing & Heating is a company with a six-decade legacy of excellence in Southern Massachusetts, known for its skilled technicians and a broad range of top-tier home services including HVAC, plumbing, and electrical services, with a commitment to safety, innovation, community focus, and customer satisfaction.

Emmaty is a company that provides comprehensive energy efficiency, renewable energy, and cyber-physical solutions through innovative engineering and effective project execution, catering to both public organizations and private enterprises to enhance the resilience, security, and reliability of energy systems.