Day and Night Air Conditioner Reviews: Pros, Cons, Performance

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Last updated: 
April 20, 2024

Day and Night Air Conditioner Review (2024 Update)

Day and Night and Carrier, both well-known AC brands, are under the same parent company, United Technologies . Although they are considered competing brands, some components may be similar as both undergo the same quality control procedures .

Day and Night Air Conditioner Overview

Day and Night's line of air conditioners is suitable for both residential and light commercial use . All models are Energy Star certified, with SEER ratings ranging from 13 to 19 . The current models include:

  1. Day and Night Performance
  2. Day and Night Constant Comfort
  3. Day and Night Constant Comfort Deluxe

Technical Specifications

Day and Night Performance:

  • Corrosion-resistant
  • 10-year warranty on specific parts
  • Single-stage compressor
  • Noise range of 70 dB
  • 13 to 16 SEER

Day and Night Constant Comfort:

  • Wi-Fi enabled
  • 10-year warranty on specific parts
  • 5-year limited replacement warranty
  • Corrosion-resistant
  • Single-stage compressor
  • 13 to 16 SEER

Day and Night Constant Comfort Deluxe:

  • 10-year warranty on specific parts
  • 10-year limited replacement warranty
  • Wi-Fi enabled
  • Noise range of 66 to 70 dB
  • Double-stage operation
  • Corrosion-resistant
  • 17 to 19 SEER

Day and Night's Matching System assesses hotspots in your home to create product combinations that maximize comfort and energy efficiency . Authorized dealers can guide buyers in selecting the most suitable Day and Night air conditioner for their home environment .

Pros and Cons


  • Some models include a 10-year limited warranty on all parts, including the compressor .
  • Most models can be matched with the brand's heating equipment for improved efficiency .
  • Select cooling systems can be accessed remotely via Wi-Fi .
  • Single-stage and double-stage fan motor options are available .
  • Modulating operation of up to five stages .
  • Quiet operation .


  • Select units with two-stage compressors may malfunction in the long run .
  • Improper installation can lead to problems with Day and Night systems .

Considerations Before Purchasing

  • Day and Night units use SmartSense technology for automatic temperature adjustment and remote control via smartphone .
  • Low noise models ensure minimal disturbance, even at high-level settings .
  • Proper installation is crucial for optimal performance and energy efficiency .


Day and Night air conditioners are generally considered quality products, with negative reviews often stemming from improper installation. The brand is becoming a competitor against more well-known brands, and its line of HVAC systems is gaining popularity among homeowners.


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  14. Brown, K. (2024). Advances in HVAC Modulating Technology. ASHRAE Journal, 56(9), 34-41.
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  18. Day and Night. (2024). SmartSense Technology. Retrieved from
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  20. Air Conditioning Contractors of America. (2023). Quality Installation Specification. Retrieved from

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