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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"I can't say enough good things about the technician that came and performed the work!"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.
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"If you want great customer service and great quality work give them a call!"I have to say, Onestop is top-notch, and Adam was great to work with, did not give us the run-around of what we didn’t need, as most companies seem to do. Adam was upfront and honest. Fantastic prices, exceptional customer service!- Sarah H.
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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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"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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"Everything worked out really well!"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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"Very professional and very knowledgeable!"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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"This team is my go-to for any HVAC work!"Adam and Gram did an amazing job with our HVAC setup. They were professional, efficient, and knew their stuff. The new system was installed quickly, and they made sure we understood everything before they left. Great experience from start to finish.- Michael B.
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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.