How Much Does a Rooftop HVAC System Cost for a Commercial Building?

Deciding which rooftop HVAC system to purchase is difficult. There are a variety of brands offering various solutions at differing price points. Figuring out exactly how much an HVAC unit will cost before contacting a contractor is nearly impossible. However, learning about a few of the factors that will affect your HVAC cost will help get you started in the right direction.

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How Much Does a Rooftop HVAC System Cost for a Commercial Building?

The size of the unit largely determines the cost of an HVAC system. HVAC unit size is measured in tons. Higher tonnage systems are both more powerful and more expensive. Your building’s tonnage needs are determined by how many British Thermal Units (BTU) it ordinarily contains. Commercial HVAC tonnage usually ranges between 2-30 tons.

Related: What Are the Different Types of Commercial HVAC Systems?

Several factors affect how many tons of HVAC you’ll need.

  • How well insulated your property is. A well-insulated building keeps the number of BTUs stored reducing your building’s HVAC needs.
  • The size of your property. Larger properties usually need higher tonnage HVAC systems because bigger spaces require more energy to cool.
  • The number of people in your building. Every person is worth about 400 BTUs. Meaning, the number of people using your building may affect the required HVAC size.
  • Anything else that significantly heats your building. A variety of factors impact your building’s temperature.

In addition to tonnage, there are a variety of add-ons that can increase the cost of an HVAC unit. Smart thermostats, air purifiers, UV lamps, etc. are often optional additions that will increase costs.

Related: How Many Tons of AC Do I Need Per Square Foot?

Commercial Rooftop HVAC Units

The manufacturer of an HVAC unit will also affect its cost.

  • Lennox – Lennox is a brand known both for providing reliable HVAC units at a higher price point. If you’re willing to spend more upfront, a Lenox unit may be the right choice for you.
  • Carrier – Carrier is a brand known for offering a quality product at a reasonable price.
  • Goodman – Goodman HVAC systems are known for being competitively priced. If you’re looking to minimize upfront costs, a Goodman system might be right for you.

Figuring out which HVAC unit to purchase for your commercial building is difficult. A variety of factors impact both the price of a unit and whether it is right for your building. There is no one size fits all answers when it comes to commercial HVAC. Ultimately, consulting a trusted contractor to inspect your building and provide you with specific advice is your best option.