Membership
Maintenance Agreement
Memberships includes:
- Front of the line priority service
- 10% off all Repairs -flat rate diagnostic fee
- 20% off After hours emergency diagnostics
- Free Condenser coil washing
- Free battery replacement at time of service (if needed)
- 5% off equipment purchases
- 1 year extended warranty on all parts installed by ONESTOP
ONESTOP
- Better prices with a company that cares
- Licensed# ONESTHC762DE
- Bonded and Insured
- Trained Service Techs and Installers
- Save on parts and labor by signing up now.
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Platinum Furnace Maintenance- Test thermostat calibrate and check batteries
- Reset Thermostat to customers preferred settings
- Clean or Replace filter that home owner supplies
- Test gas pressures adjust gas pressures
- Test temperature split heating
- Inspect blower wheel
- Inspect blower motor and test amps
- Test blower motor capacitor if applicable
- Inspect inducer motor and test amps
- Test inducer motor capacitor if applicable
- Test Pressure switches
- Inspect control board for damage
- Clean burners and crossover ports
- Test igniter examine for wear
- Clean flame sensor
- Examine Heat Exchangers
- Check Plenum and Base can for proper seal
- Check flue for corrosion and secureness and slope
- Test condensation pump
- Clean water trap
- Wipe furnace down inside and out
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Platinum Furnace & A/C Maintenance
- AC/Heat pump
- Test thermostat calibrate and check batteries
- Reset Thermostat to customers preferred settings
- Clean or Replace filter that home owner supplies
- Test temperature split heating and cooling
- Examine disconnect for wear
- Test for proper voltage
- Examine all fittings inside unit for refrigerant leaks
- Examine suction line for proper insulation
- Inspect Condenser Fan Motor and test Amps
- Test Time Delay Defrost
- Examine defrost control board for defects or burns
- Test Compressor amps RLA and LRA
- Test compressor OHMS
- Clean debris from condensing unit
- Inspect coil fins
- Clean water trap
- Connect refrigerant manifold if needed
- Cycle system in all stages
Built on Trust. Powered by Expertise.
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Fast, Reliable Service 24/7From emergencies to routine calls, our team is always ready, day or night, to restore your comfort quickly.
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Financing & Membership PlansWe offer flexible financing and value-packed memberships to keep your home running smoothly all year.
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Licensed, Bonded & InsuredYour home is in safe hands with fully certified technicians and reliable, code-compliant service.
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Locally Owned & OperatedServing Snohomish and King County with trusted, community-focused HVAC and electrical expertise.
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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"Completely satisfied with his knowledge and customer service!"He pointed out some conditions that function best with regular inspection and recommended their maintenance program.- Missy A.
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"They're my top choice for any heating and cooling needs!"I recently hired Onestop for a furnace repair, and I couldn't be happier with the service they provided. From the moment I contacted them to the completion of the repair, Onestop demonstrated professionalism and expertise that exceeded my expectations.- Ashley N.
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"Fantastic services!"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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"We had such a great experience!"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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"Wonderful service from Onestop!"They serviced my furnace and AC, and they were on time and super friendly. I would highly recommend Onestop all my family and friends.- Joshua F.
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"Excellent service from ONESTOP!"They serviced my AC and furnace and were professional, friendly, and clearly knew what they were doing. No pressure, just honest and reliable service. I’m really happy with how everything turned out and will definitely be using them in the future.- Matt H.
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"I will definitely be using their services again in the future."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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"They went the extra mile - no customer could ask for more!"
My new HVAC system works perfectly, and their teamwork was a pleasure to behold, even in hot July weather. The best communication and customer service anyone could hope for. They all really are five stars!
- Joy A.