Air Conditioners

Indoff has worked with the hospitality and multi-family industry since 1964 supplying major brand air conditioners from GE, Hotpoint, Amana, GREE and Frigidaire.

PTACs
TTWs
VTACs
HVAC

Air Conditioners

Indoff has been helping keep your guests comfortable since 1964.

When you call Indoff about an air conditioner, you know you will be treated right. Our team of Sales Representatives have years of industry experience and a wealth of product knowledge. We will spend as much time as needed to walk you through our process step-by-step – from accessing the right size unit for your square footage down to what voltage your facility requires.

Air Conditioners
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VTACs (Vertical Air Conditioners)

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What size BTU works best for your floorplan?

PTACs and TTWs come in different size BTUs that are designed to heat and cool a range of floorplans. It’s crucial to know the square footage of the area you wish to cool so that you can install the proper sized unit. For example, a standard 350-450 sq. ft area will require a unit that is rated at 9,000 BTU. An Indoff Sales Professional can help you determine the best option for you. Check here for a sizing chart.

Heat Pump or Heat Strip?

The majority of PTACs are manufactured with an electric heating element called a heat strip (see image to the right top). The heat strip is a wire heating element inside the PTAC that warms the air as it passes over the coils. This is very similar to what you would find in space heater.

A heat pump (right bottom) reverses the cooling cycle of the PTAC air conditioner. Refrigerant is used to heat the coils and the heated air is then pushed back into the room. A heat pump will run alone until the temperature reaches a certain point – usually below 35 degrees. Once it hits that threshold, the heat strip will take over and provide constant electric heat. This combination of heat pump/heat strip has proven be 60% more efficient than a stand-alone heat strip model. If you have a large number of PTACs that are needed for heating as well as cooling, you may be able to save a substantial amount of money over the life of the unit.

Inside Your A/C Unit

Air conditioners don’t make cold air; they remove heat from the air. The process of removing heat involves a compressor, a condenser, an evaporator, and a refrigerant. The refrigerant moves through the closed system changing from liquid to gas and gas to liquid and releasing or absorbing heat in the process. It looks something like this:

When the refrigerant reaches the compressor, it’s a gas. The compressor compresses the gas, which increases the pressure on the gas, and the temperature rises accordingly.

The high-pressure, hot gas moves to the condenser. The condenser is a series of coils, usually copper, plus a fan and fins. The fan and fins cool the gas as it passes through. As the gas cools, it changes back into a liquid.

The cooled liquid now goes to the evaporator via a small hole that increases the pressure. Inside the evaporator, the liquid refrigerant absorbs the heat from around the evaporator coils and turns back into a gas. What’s left in the evaporator is super-chilled air that’s had all the heat removed from it. That cold air is pumped into the space by a fan.

The gas refrigerant now travels back to the compressor, where the process begins again. Refrigerant doesn’t dissipate; it can repeat this over and over and over again.

Getting an industrial HVAC system that will deliver comfort throughout your facility requires installing components that work in harmony, efficiently, and reliably. The A/C team at Indoff understands the science of air conditioning and will help you get the right system for your needs. We know which questions to ask to get the right match.

Products that work in your industry.

Let Indoff craft a solution that works for you – no matter what size or shape, we’re here to help.

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Appliance Professionals Ready to Help.

Talk with a representative to see how Indoff can save you time and money on your next project.

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Air Conditioners