Commercial HVAC Maintenance

HVAC Replacement and Maintenance Service Agreements For Your Business

Commercial Mechanical Services LLC provides full preventative maintenance HVAC maintenance service agreements. Our technicians in Lake Mary, FL, clean your HVAC system and ensure that all systems are working in top condition. We can also replace your equipment. Our company serves commercial office buildings, hospitals, government agencies, school boards, and independent manufacturing facilities. Rely on us for top-notch HVAC replacement, installation, and repair services.

Comprehensive HVAC Service Agreements

Commercial Mechanical Services has a three-year capital forecast for planned replacement services for clients with HVAC service agreements with our company.

We take pride in our energy studies and efficient, green HVAC and piping solutions. Read through our sample service agreement for further details about our services, work schedule, task list, and contract administration.

Commercial Mechanical Services Offers HVAC Services in The Following Regions.

What to Expect in an HVAC Maintenance Service Agreement It’s All in the Details

Commercial Mechanical Services LLC service program was developed to properly service our client’s equipment and prevent premature failure as outlined by the equipment Manufacturers and discussed with each client.

No two service agreements are alike, as each is designed specifically based on the client’s equipment and needs.


Our Service program will protect your equipment with proper cleaning, lubrication, and a complete inspection of the mechanical parts. Proactively, Commercial Mechanical Services LLC will professionally perform this work with our in-house staff, who will alert you to any potential problems before they become issues.


Communication with our clients is of the utmost importance to us. The open communication will start with our discussion about your expectations for this agreement. The communication will continue throughout our entire relationship, from scheduling your service work to closing every service task completed on your behalf. Your equipment service will be scheduled electronically in our service management software system so no service intervals will be missed, and the correct service will be performed when your mechanic arrives. Our mechanic will check in with you or your staff as soon as they arrive concerning any problems found. While your work is being performed, Commercial Mechanical Services LLC will communicate to you verbally, and all work will be followed up with an electronic service ticket.


Commercial Mechanical Services LLC provides emergency service around the clock, 365 days per year. Emergency service can be called into our local service office, or electronically through our office email address. A qualified mechanic will be dispatched to your facility to handle any issues that you may have.


Commercial Mechanical Services LLC will perform all the tasks described in the “Task List” (specific to each client’s agreement) during your Annual and Operational inspections. Commercial Mechanical Services LLC will perform the tasks listed to prevent wear and tear to your equipment that is not a normal part of the operation for that equipment. Services such as cleaning, lubrication, and checking electrical connections will be performed for the type of equipment being serviced.


Give us a call to discuss your needs, and let’s get your service agreement started!

Let’s Get Started

Please provide a few details, and we will contact you to provide further information and answer any questions you might have. Or, if you prefer, you can call the number below, and we will assist you.

Why is HVAC Maintenance Important for Your Business?

Nobody likes it when their A/C unit fails during a heatwave, and you have to break out the portable A/C units. Or your heating systems’ breaking down midwinter during a cold front. Business owners know how important it is to keep their work environment at a comfortable temperature and safe for all involved. Fortunately, you can do a few things to ensure your HVAC system runs as smoothly, efficiently, and as safe as possible, with professional HVAC maintenance services conducted regularly.

The following article will explain the value of HVAC maintenance and how it can benefit your business, and how often you should schedule your maintenance services.

Is It Worth Having Preventive HVAC Maintenance Services?

It most certainly is worth it, as it needs to be completed. Your HVAC system, like your automobile, requires regular maintenance, and if you handle it correctly, it will last much longer and be considerably less likely to break down during extreme weather. HVAC maintenance can not only save you money but could save your life in an extreme emergency, such as a heatwave. Plus, just like your car, it’s cheaper to maintain and repair your A/C than replacing it with a new system or making expensive repairs that could have been avoided with timely maintenance.

Why is HVAC Preventive Maintenance Important?

The following are some of the essential benefits businesses can expect from regular HVAC system maintenance.

Your HVAC System Will Last Longer

With a solid HVAC maintenance agreement, your heating and cooling system will last much longer. Your HVAC system could function efficiently for 20 years or more if maintained correctly. Preventive maintenance is preventing system failures, which would otherwise cost much more to fix in the long run.

Happy and Safe Working Space

Having a comfortable work environment is vital for everyone. Regular HVAC maintenance ensures your A/C and Heating system is running efficiently and safely. Maintenance technicians will clean and inspect all the most critical components making sure carbon monoxide levels are not too high and filters are doing their job correctly while fixing any issues.

Air Quality Improvement

The contaminants in the air of your work environment are filtered by your A/C units filtration system. Changing the filter keeps dirt, debris, and allergens from becoming a problem. Your HVAC technician can also change highly efficient filters that are usually changed yearly. Regular air filters should be changed monthly.

Save Money on Energy Costs

An efficient HVAC system that is maintained and inspected regularly can and will lower your energy costs. Just as your car runs more efficiently after a tune-up and oil change, your HVAC system will provide more heating or cooling far more efficiently if correctly maintained. Systems that are not maintained correctly can cause much higher energy costs in the long run. Keeping your HVAC system running efficiently is one of the most efficient ways to lower your utility bills.

Keep Your HVAC System Dependable 

Your HVAC system could save your life in certain situations, such as a heatwave or blizzard. Not to mention the misery involved if your A/C goes out in the summer, especially in an office environment. Nobody wants to work in an office that is too hot or too cold. A dependable HVAC system is most important when the weather gets ugly. Proper maintenance is the only way to minimize the chances of a system failure when you need it most.

What is the Recommended HVAC Maintenance Schedule?

Usually, your HVAC system should be serviced by a certified HVAC technician every quarter, including a yearly annual cleaning as part of one of the inspections. Some equipment might require more or less service based on equipment runtime.

It is essential that your air filters are good quality and installed tightly in the filter frame. As the air filter collects dust, it becomes more difficult for air to move through them. Any gaps in the media will allow the air to flow around the filter media and into your evaporator coil. Gaps let dirt accumulate in the coils, even if washed once a year, where it will collect until it reduces heat transfer and airflow.

It is also essential that all aspects of your system are checked for proper operation so as the seasons change, your equipment is ready to control your building’s climate as designed.

A lack of or improper maintenance is the number one reason for equipment failures. The equipment is much larger in commercial equipment, and so are the repair bills. Proper maintenance will reduce the number of failures, which will help to keep your operating budgets aligned. When you maintain your equipment correctly, you’ll be able to tell when the mechanical parts inside will need to be replaced. The repair won’t be as big a deal for your budget or your tenants.

New Temtrol Chilled Water Rooftop Air Handling Unit Piping Installed by CMS

What’s Involved in HVAC Preventive Maintenance?

Although many business owners would be able to handle some of the basic HVAC maintenance tasks, some of the more advanced tasks should always be completed by a licensed professional.

Only a certified HVAC professional should take on the following tasks, as they require special training and equipment. Here are some of the most important tasks your HVAC maintenance service provider should do. 

  • Loose electrical connections on your A/C unit can cause a short and damage your entire A/C system. A certified technician should tighten these if required.
    • Ensure the condensate drain is clear and flowing, which can become clogged with various types of debris. Install condensate drain pan treatment to help prevent blockages in the pan or drain lines.

  • Any moving parts of your A/C unit should be lubricated, as friction can cause excessive heat build-up and cause a system failure. Lubrication also allows the system to run more efficiently, lowering your utility bills.
    • An air conditioner’s blower should be cleaned thoroughly. The drive alignment should be checked or changed to ensure that your system performs as efficiently as possible while avoiding unnecessary wear. The blower is critical for proper airflow throughout the system.
    • The refrigerant charge should be checked to ensure the A/C unit is running efficiently as per its design. If your A/C system is low on charge, there could be a leak that needs to be identified and repaired.

  • Ensure all-natural fuel lines have good connections, as this can be both a health issue and a fire hazard. If you have fumes in your business, a certified HVAC technician needs to check all the connections to make sure they are tight enough and have no leaks.
New Chiller Plant Installed by CMS Owner
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