Commercial HVAC Repair & Installation

When the air conditioning fails in a house, a family is uncomfortable. When it fails in a business, customers leave, employees can’t work, products spoil and equipment overheats. Commercial HVAC is a different job from residential work, with larger equipment, tighter schedules and much higher consequences for downtime.

Heavenly Air provides commercial heating and air conditioning service alongside our residential work, from emergency repair to large commercial installations. We are a locally owned company based in Lebanon, Tennessee, and we serve businesses in Nashville, Brentwood, Franklin, Spring Hill, Mount Juliet, Lebanon, Hermitage, Murfreesboro and Smyrna. This page explains what commercial HVAC involves, how a planned maintenance program protects your building, and how to start a project with us.

How commercial HVAC differs from residential

Commercial buildings have different heating and cooling demands than houses, and the equipment reflects that. Understanding the differences helps you ask better questions and compare proposals fairly.

Equipment type and size. Many commercial buildings use packaged rooftop units, which combine the heating and cooling components in a single cabinet on the roof. Others use split systems, multiple smaller units or heat pumps. Capacities are often larger than residential systems and commonly require three-phase power.
Zoning. A building with offices, a break room, a server closet and a retail floor has very different loads in each space. Good commercial design addresses those differences rather than treating the building as one room.
Ventilation requirements. Commercial spaces generally need outside air brought in at set rates for occupant health and code compliance, which affects equipment selection and operating cost.
Schedule sensitivity. Work often has to happen early, late or on weekends, so a business can keep operating during a repair or replacement.
Controls. Programmable and networked thermostats, setback schedules and building controls can have a large effect on energy costs.

Commercial HVAC needs by building type

No two buildings are alike. These are examples of how different types of businesses think about heating and cooling, and the questions worth asking about each.

Offices and professional buildings. Occupant comfort, quiet operation and even temperatures across many small rooms. Zoning and thermostat placement matter.
Retail and restaurants. Large door traffic, high internal heat from lighting and cooking equipment, and customer comfort that directly affects sales. Restaurants add exhaust and makeup air to the picture.
Churches and assembly spaces. Large rooms that are empty most of the week and full on a schedule. Controls that allow setback between services can control energy costs.
Medical and professional suites. Temperature stability, air quality and reliable operation during appointments.
Warehouses and light industrial. Large, tall spaces where partial cooling, ventilation and spot cooling may be more practical than conditioning the entire building.
Multifamily and rental property. Many similar units, tenant turnover and a need for fast, consistent repair response.

Commercial HVAC Repair and Emergency Service

When a commercial system fails, the clock starts immediately. Heavenly Air technicians are available 24 hours a day, every day of the year, and we repair all makes and models of heating and air conditioning equipment. Our approach to a commercial repair call is the same as in a home: diagnose before we replace, explain what we find in plain language, and give you a clear price before work begins.

The most common commercial service calls include:

Systems that run but do not cool or heat properly
Failed compressors, fan motors, capacitors and contactors
Refrigerant leaks and low charge
Frozen evaporator coils from airflow or refrigerant problems
Thermostat and control failures and scheduling problems
Clogged condensate drains and water damage risks
Belt, bearing and blower problems on larger air handlers and rooftop units

If your building has more than one unit, tell us which one is affected and what the unit’s nameplate says. That information lets us arrive with the right parts and shortens the repair.

Planned Maintenance Programs

The most reliable way to prevent commercial HVAC failures is planned maintenance. Regularly scheduled service keeps equipment clean, catches worn parts before they fail, controls energy costs, and gives you a documented service history, which matters for warranty claims and for budgeting replacements.

We tailor maintenance programs to your building, equipment and operating schedule. Visits typically include:

Replacing or cleaning air filters, which have the largest impact on airflow and efficiency
Cleaning condenser and evaporator coils
Checking and cleaning condensate drains and pans
Inspecting belts, bearings, blowers and motors, and lubricating where applicable
Testing electrical connections, contactors, capacitors and safety controls
Checking refrigerant pressures and temperature split
Verifying thermostat and control operation, including schedules
Documenting what we found and what we recommend, so you can plan ahead

Most commercial buildings benefit from at least two visits per year, one before the cooling season and one before heating. Buildings with heavy use, restaurants, or equipment that serves critical spaces may warrant more frequent service. Call us to talk about what makes sense for yours.

Commercial HVAC Replacement and Installation

Replacing commercial equipment is a capital decision, and the best time to plan it is before the old unit fails. We offer free estimates on complete system replacement, with no high-pressure sales tactics for equipment you don’t need.

We look at the whole picture when we evaluate a replacement:

Equipment age, condition and repair history. A pattern of repeated repairs on an older unit is a strong sign it is time to plan a replacement.
Right sizing. Commercial loads change as businesses change. A building that has been remodeled, repartitioned or filled with more equipment may need a different system than the one it replaced.
Efficiency and operating cost. Newer equipment can use substantially less energy than units that are 15 or 20 years old.
Refrigerant. Older units on obsolete refrigerants are expensive to keep running.
Disruption. We schedule work around your business hours whenever possible.
Structural and electrical needs. Rooftop installations may involve curbs, crane access and electrical modifications, and we plan for those up front.

New installations are backed by a 10-year parts and labor warranty. Multiple financing options are available for commercial projects, so a necessary replacement doesn’t have to drain operating capital. See our <a href="/financing/">financing page</a> for details.

How a commercial project works with Heavenly Air

Whether it is a single rooftop unit or a full building, we follow the same process.

You call or send a requestTell us about the building, what the system is doing and how urgent it is. Emergency calls are handled right away.
We assess the building and equipmentA technician reviews the existing equipment, the space it serves and how the building is used.
You receive a written proposalWe explain the options, including repair versus replacement where it applies, so you can compare them with confidence.
We schedule around your businessWork is planned to minimize interruption to your customers and staff.
We install, test and hand offWe confirm the system performs, show your team the controls, and provide recommendations for ongoing maintenance.

What to have ready when you request a commercial quote

You do not need technical expertise to start a conversation, but a little information speeds everything up and makes estimates more accurate:

The approximate square footage of the space the system serves
The number, location and age of the existing units, and the manufacturer and model from the nameplate if you can read it
What the system has been doing, and any repair history you know of
Whether the building is owned or leased, and who approves work
Your preferred working hours and any restrictions on access

Free estimates are available on complete system replacement, and multiple financing options are available for commercial and residential projects. See financing options.

Commercial HVAC questions, answered

Do you handle both commercial repair and large installations?

Yes. Heavenly Air provides commercial repair, planned maintenance, replacement and installation, from a single failed component to large commercial installations.

Is emergency commercial service available after hours?

Yes. Our technicians are available 24 hours a day, every day of the year. Call 615-200-7757 at any time.

What kind of commercial equipment can you repair?

We repair all makes and models of commercial heating and air conditioning equipment. If you tell us the manufacturer, model and what the unit is doing when you call, we can confirm what to expect before we arrive.

How often should a commercial HVAC system be serviced?

Most commercial buildings benefit from at least two planned maintenance visits per year, before the cooling season and before the heating season. Restaurants, medical suites and buildings with heavy use or critical spaces may need more frequent service.

Can you schedule work outside business hours?

Whenever possible. Repairs and replacements can often be planned for early mornings, evenings or weekends so your business can keep operating.

Do you offer financing for commercial projects?

Yes. Multiple financing options are available for commercial and residential projects. Contact us to learn which options and promotions apply.

Is there a warranty on commercial installations?

New installations come with a 10-year parts and labor manufacturer’s warranty.

Do you serve my city?

We serve Nashville, Brentwood, Spring Hill, Franklin, Mount Juliet, Lebanon, Hermitage, Murfreesboro, Smyrna and the areas between them. If you are nearby but not listed, call and ask.

Where we provide Commercial HVAC service

We provide commercial service across Nashville and the surrounding counties from our base in Lebanon. Choose your city to see local details:

Nashville, Brentwood, Spring Hill, Franklin, Mount Juliet, Lebanon, Hermitage, Murfreesboro, Smyrna.

Local commercial hvac pages

We have written a page for each of these services in our busiest areas, with the local detail that matters:

Commercial heating & cooling for Middle Tennessee businesses