SERVICES MARKETS PROJECTS ABOUT CONTACT Commercial HVAC Maryland GMS is among the top commercial HVAC companies in Maryland providing a comprehensive range of heating and cooling services to meet all of your commercial air conditioning & heater installation, replacement, repair, and maintenance needs. We believe that properly designed, installed and maintained commercial HVAC systems conserve energy, cut absenteeism and increase productivity. We have been designing, building and maintaining commercial heating and cooling units across the U.S. since 1998. Whether you’re looking to set up a preventative maintenance contract, replace or supplement an existing commercial air handling system, or would like to find out how to make your HVAC systems more efficient and extend their life, GMS can meet your needs. Request Service Need installation, maintenance or repairs? TELL US ABOUT YOUR PROJECT Commercial HVAC Services PACKAGED ROOFTOP HVAC EQUIPMENT Commonly found in light and large commercial HVAC applications, GMS installs and maintains packaged rooftop units which contain all the components needed to provide conditioned air. CENTRAL UTILITY PLANT SOLUTIONS Our commercial HVAC contractors perform installation, maintenance, repair and retrofit services in the central utility plant for air handling and distribution systems, heating and hot water systems, chilled or condenser water systems, and steam and condensate systems. We take care of the cooling towers, chillers, pumps and mechanical systems that support the operation of your building ULTRA-EFFICIENT DUCTLESS & DUCTED, SCALABLE VRF SOLUTIONS GMS can help you solve the toughest HVAC challenges including occupant comfort, design and energy efficiency with variable refrigerant flow (VRF) systems from Mitsubishi. RENOVATION AND RETROFIT MECHANICAL SYSTEMS GMS utilizes our in-house engineering skills, technology and highly skilled field technicians to minimize a project’s timeline while adhering to the customer’s budget and needs. PORTABLE COOLING & HEATING RENTAL SOLUTIONS GMS provides temporary and emergency solutions for heating and cooling failures in commercial buildings, data centers and industrial spaces. DATA CENTER COOLING GMS ensures uptime for your data center by installing and maintaining innovative cooling solutions that reduce data center energy costs. AIR FILTRATION SYSTEMS In facilities such as hospitals, schools and airports, airborne pathogens and odors can spread through the air system. In-duct air filtration systems such as UVC Light and Ionization are designed to disinfect the air as it passes through the HVAC system. HVAC DESIGN BUILD RETROFIT SERVICES We are your one-stop-shop to design, engineer, install, service and retrofit the systems you need GMS specializes in the renovation and retrofit of mechanical systems in existing data centers, commercial and industrial facilities. We utilize our in-house skills and technology to minimize a project’s timeline while adhering to the customer’s budget and needs. GMS provides a single point of contact for your project resulting in reduced design and construction schedules and offers pre-construction services including 3D scanning and prefabrication. Our team of highly skilled and certified field commercial HVAC contractors work to ensure the highest quality and value for our clients. TELL US ABOUT YOUR PROJECT OPERATIONAL ASSESSMENT & ENERGY AUDITS Improve efficiency and reduce your annual utility bill A best practice for energy efficient building operations. GMS can help you understand how your current building systems are operating and what improvements would be most beneficial and cost-effective. It is the first step to obtaining energy-efficient building performance and reducing your annual utility bill. REQUEST AN ASSESSMENT 24/7 Emergency HVAC Repair GMS provides experienced HVAC technicians 24/7 to deliver after-hour emergency HVAC repairs. We ensure fast, accurate heating and air repairs for clients throughout Maryland and in DC, Delaware and Northern Virginia. Whether you have an unexpected commercial HVAC repair or last minute heating and cooling system need, you can contact us 24 Hours a day / 7 Days a Week to resolve issues with equipment including: No cooling/heating Chiller repair Furnace repair Leaking unit Preventative HVAC Maintenance Avoid extensive, costly repairs and unplanned downtime with regularly performed preventative maintenance. An HVAC Equipment Preventative Maintenance Contract will undoubtedly increase energy efficiency and extend the life of your equipment. Additional advantages of regular maintenance visits include: Fewer costly repairs Increase energy efficiency Reduce utility bills Healthier air quality GMS has the ability to service and maintain different infrastructure components, bringing additional benefits including just one service call for all of your critical building systems along with: Priority response to all service requests Email dispatch and computerized service call tracking system Certified technicians with extensive factory training Data Center Cooling GMS provides efficient and scalable cooling solutions from supplemental computer room air conditioner units to complete power and cooling installations. Indoor Air Quality GMS can help you put together a multi-tactic approach to help combat viruses, germs and bacteria within your building, office, school or medical facility. AREAS WE SERVE Helping Maryland, Virginia, DC, Delaware and Pennsylvania properties & facilities with their mission critical HVAC, mechanical, plumbing and electrical systems since 1998. TELL US ABOUT YOUR PROJECT 24/7/365 Emergency HVAC Services & Repair Our experts are standing by to address your Commercial HVAC emergency. EMERGENCY 410.349.4070 Preventative HVAC Maintenance Avoid costly repairs with preventative HVAC maintenance. Increase energy efficiency and extend the life of your equipment. CONTACT US General & Mechanical Services 1007 Skidmore Dr Annapolis, MD 21409 PHONE: (410) 349-4070 FAX: (410) 349-4076 Services Commercial HVAC Commercial Plumbing Indoor Air Quality Data Center Power & Cooling Commercial Refrigeration Design Build Services Emergency Services (410) 349-4070 (410) 349-4070 Affiliations MCCA, MSCA , NECA, AWS © 2021 General & Mechanical Services, LLC | Privacy Policy | Website by City Dock Digital