When it comes to packaged terminal air conditioners (PTACs), standard sizes dominate the market. However, buildings with unique architectural features or older designs often require custom or odd-size PTACs. Whether you're replacing an outdated unit or upgrading to a more energy-efficient model, selecting the right PTAC is essential for performance, aesthetics, and cost-efficiency. Here, we'll explore the key considerations for choosing a custom or odd-size PTAC and explain how to use a detailed questionnaire to spec out the correct equipment or get a quote.
Why Choose Custom PTACs?
Custom PTACs are essential for situations where standard units don’t fit due to:
Non-standard wall sleeve dimensions: Older buildings or unique architectural designs may have wall sleeves that deviate from industry norms.
Specific power or voltage requirements: Variations in electrical infrastructure can necessitate a tailored PTAC solution.
Uncommon heating styles: Special heating setups, such as steam heat or hot water systems, often require customized configurations.
Enhanced aesthetic needs: Matching the design and color of existing units or decor may call for bespoke units.
How to Specify Your PTAC Needs
To ensure you select the correct equipment, you’ll need precise details about your current setup and requirements. GLSCO’s PTAC Questionnaire is a valuable tool to guide you through this process. Below is an outline of the information you’ll need to gather:
1. Wall Sleeve Dimensions
Measure the width, height, and depth of the wall sleeve (from outside edge to outside edge). These dimensions are critical to ensure the new PTAC fits properly.
2. Power Connection and Voltage
Identify the type of power connection: wall outlet plug, hardwired armored cable, or hardwired electrical sub-base.
Determine the voltage: 115V, 208/230V, or 265/277V.
3. Amperage
Specify the amperage required for the unit: 15A, 20A, or 30A.
4. Heating Style
Options include:
LP/natural gas
Heat pump (with electric heat strip)
Hot water
Steam heat
Straight cool (with electric heat strip)
For hot water or steam heat, provide details about the valve type (normally open or normally closed), voltage (line voltage, 115V, or 24V), and coil configuration (bottom or top mount).
5. Unit Information
Gather details about the unit(s) being replaced, including:
Brand
Model number
Minimum circuit ampacity
Approximate age or serial number
Note the BTU capacity for both cooling and heating.
6. Wall Construction and Depth
Describe the wall construction type (e.g., glass, masonry, metal frame, wood frame, or panel).
Measure the wall depth from the finished interior to the finished exterior.
7. Unit Orientation and Control
Indicate whether the top of the unit is sloped or flat.
Specify the control type: unit-mounted thermostat or remote wall-mounted thermostat.
8. Power Cord Specifications
If applicable, select the correct power cord configuration based on your outlet type.
Getting a Quote
Once you’ve completed the questionnaire, submit it to your PTAC supplier to receive an accurate quote. At GLSCO, we specialize in helping customers find the perfect PTAC solution, even for the most challenging installations. Our team will analyze your provided information and recommend a unit that fits your unique needs.
Benefits of Custom PTAC Solutions
Investing in a custom PTAC ensures:
Optimal Performance: Units tailored to your space deliver better cooling and heating efficiency.
Seamless Installation: Avoid costly modifications by ordering a unit that fits perfectly.
Longevity: Customized solutions are often better suited to handle the specific demands of your building, increasing the lifespan of the equipment.
Final Thoughts
Custom and odd-size PTACs are a game-changer for non-standard installations. By using tools like GLSCO’s PTAC Questionnaire, which you can download through the link below, you can simplify the process of finding the perfect unit. With accurate measurements and detailed specifications, you’ll ensure a smooth replacement or upgrade process while maximizing comfort and efficiency in your space.
For more information or to get started with your PTAC project, visit GLSCO.com or contact us directly at .
