
Air Conditioners

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Evolution™ Extreme 26 Variable-Speed Air Conditioner
186CNV
COOLING EFFICIENCY: Up to 24 SEER2
COMPRESSOR TYPE: Variable-Speed
SOUND RATING (DECIBELS): as low as 51
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Evolution™ Variable-Speed Air Conditioner
189BNV
COOLING EFFICIENCY: Up to 19 SEER2
COMPRESSOR TYPE: Variable-Speed
SOUND RATING (DECIBELS): as low as 56
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Preferred™ 2- Stage Air Conditioner with Intelisense™ Technology
127TBN
COOLING EFFICIENCY: Up to 16 SEER2
COMPRESSOR TYPE: Two-Stage
SOUND RATING (DECIBELS): as low as 70
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Preferred™ Single-Stage Air Conditioner
126S
COOLING EFFICIENCY: Up to 16.5 SEER2
COMPRESSOR TYPE: Single-Stage
SOUND RATING (DECIBELS): as low as 72
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Legacy™ Line Single-Stage Air Conditioner
115S
COOLING EFFICIENCY: Up to 16.5 SEER2
COMPRESSOR TYPE: Single-Stage
SOUND RATING (DECIBELS): as low as 73
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Legacy™ Line Single-Stage Coastal Air Conditioner
115SAN***C
COOLING EFFICIENCY: Up to 16 SEER2
COMPRESSOR TYPE: Single-Stage
SOUND RATING (DECIBELS): as low as 73
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Legacy™ Single-Stage Heat Pump
215S
COOLING EFFICIENCY: Up to 15.5 SEER2
HEATING EFFICIENCY: Up to 8.1 HSPF2
COMPRESSOR TYPE: Single-Stage -
Legacy™ Single-Stage Heat Pump
235SAN
COOLING EFFICIENCY: Up to 16 SEER2
HEATING EFFICIENCY: Up to 7.8 HSPF2
COMPRESSOR TYPE: Single-Stage -
Legacy™ Single-Stage Coastal Heat Pump
215SAN***C
COOLING EFFICIENCY: Up to 16 SEER2
HEATING EFFICIENCY: Up to 7.8 HSPF2
COMPRESSOR TYPE: Single-Stage -
Legacy™ Single-Stage Coastal Heat Pump
235SAN
COOLING EFFICIENCY: Up to 16 SEER2
HEATING EFFICIENCY: Up to 7.8 HSPF2
COMPRESSOR TYPE: Single-Stage

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Hear From Our Happy Customers
At ONESTOP, your satisfaction is our priority! See for yourself what our customers have to say about working with us.
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Absolutely amazing service from OneStop! They quickly diagnosed and fixed my heating issue, restoring the heat to my home in no time. Professional, efficient, and courteous throughout the process. Highly recommend!- Ryan J.
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I have to say thank you to Adam for coming out and getting us all fixed up and running again. He is very professional and very knowledgeable, and got the job done quickly. I will definitely be using him from here on out. Great guy for sure!!- Tony N.
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I was impressed by their professionalism, politeness, and knowledge to my inquiries, with efficiency they evaluated any issues in detail and problem-solved with skill, which assures me the job would be done right the first time.- Barbara L.
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I used them for maintenance on my furnace and AC. They explained things well, were polite & professional. It was scheduled quickly and the price was good.- Jon E.
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Adam and his installers arrived the next morning, on time! The crew did a great job and were done sooner than I'd expected. They not only installed my new Trane furnace, but they also made the whole area look better and cleaner.- Carrie S.
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The team at OneStop really cares about their work and doing a great job for their clients. Highly recommend!- Lauriana L.
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I recently hired Onestop to install a new AC unit in my rental property in Mountlake Terrace, and I couldn't be more pleased with the service I received. From start to finish, the team impressed me with their professionalism, expertise, and attention to de- Danielle B.
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OneStop is a top-notch company! They installed our new heat pump in no time, and we couldn't have been more pleased with the quality and professionalism. Very polite, professional, and proficient!- Amanda O.