PTAC vs. Central HVAC: What’s Right for Your Commercial Space?

For heating and cooling multi-unit commercial buildings, property owners have two main options: PTAC units or traditional central HVAC systems. Each has its strengths, but depending on the type of building and your long-term goals, one may be a better fit than the other.

PTAC vs. CENTRAL AIR: WHAT’S THE DIFFERENCE?

PTAC units are self-contained heating and cooling systems installed through a wall, typically one unit per room. They operate independently, offering customizable comfort in each space.

Central HVAC systems use a centralized unit to distribute conditioned air throughout a building via ductwork. Temperature is usually controlled by a central thermostat, often with limited options for room-by-room customization.

PTAC BENEFITS

Cost-Effective Installation: For new builds or retrofits, a PTAC unit can offer major savings. There’s no need to install or upgrade ductwork, making them a smart choice for older buildings or properties with layout challenges. If you're renovating a property or converting a space into guest rooms or apartments, PTACs reduce installation complexity and upfront costs.

Room-by-Room Control: One of the biggest advantages of a PTAC unit is zoned comfort. Each unit has its own controls, so guests, tenants, or residents can adjust the temperature to their preference. In contrast, central HVAC systems typically manage temperature building-wide or floor-by-floor, which can lead to uneven comfort and energy waste.

Energy Savings for Vacant Rooms: Because a PTAC unit operates independently, you’re not wasting energy heating or cooling unoccupied rooms. Many models even come with occupancy sensors and programmable thermostats to improve energy efficiency. Central air systems often condition the entire zone, even when large portions of a building are empty.

Easier Maintenance & Replacement: If a PTAC unit needs service or replacement, the fix is localized. The rest of the building keeps running normally. With central HVAC systems, an issue with the main unit or ductwork can affect multiple rooms or even the entire building.

For another look, check out these blogs: PTAC Units vs. Traditional HVAC Systems: Which One’s Right for You, The Benefits of PTAC Units in Hotel Rooms, and Why Hotels, Hospitals, and Office Buildings Prefer PTAC Units. 

CENTRAL AIR BENEFITS

While PTACs shine in many commercial applications, there are times when a central HVAC system might be the right choice.

Central air may make sense for:

Large, open commercial spaces like office buildings or conference centers.

Buildings where ductwork is already in place and in good condition.

Properties where aesthetic design calls for minimal visible equipment. 

Central systems also tend to be quieter than older PTAC models, though today’s PTAC units have come a long way in noise reduction.

PTAC vs. Central Air: Which Should You Choose?

If you manage a commercial property with separate rooms or units – especially one focused on guest comfort and energy efficiency – PTAC units are likely the better choice. Their upfront affordability, ease of control, and flexibility make them a clear winner in:

• Hotels and motels
  
• Senior living facilities
  
• Student housing
  
• Short-term rentals
  
• Apartment complexes
  

And when it comes to retrofitting older buildings without existing ductwork, PTACs often make the difference between a manageable renovation and a costly overhaul.

Find the Right PTAC Unit for Your Property

At SquarePeg, we carry a wide selection of PTAC units and accessories designed for commercial performance, long-term durability, and modern energy efficiency. Whether you’re building new or upgrading an existing property, our team can help you find the right fit for your space and budget. Contact us today!