# Tankless Water Heater Service Hometech Appliance Repair fixes tankless water heaters with error codes, cold bursts or scale in Chandler, Gilbert, Mesa, Tempe, Scottsdale, Queen Creek, Ahwatukee, Phoenix, Glendale, Fountain Hills, Cave Creek and West Phoenix. Joe, the owner, has more than 20 years of experience and does every repair himself. Call 602-486-1901 or book online. Canonical: https://home-tech-test.lovable.app/water-heaters/tankless-water-heater/ Last updated: 2026-11-07T16:21:57.838904+00:00 Tankless water heaters need regular descaling in hard Arizona water. Joe services and repairs gas and electric tankless units, including error codes, ignition faults, flow sensors and scale build-up. ## Common tankless water heater problems we fix | What you notice | Common cause | What Joe checks | | --- | --- | --- | | Error code | Ignition, flow or scale fault | Code history, sensors and ignition | | Cold water sandwich | Flow or setting issue | Flow sensor and settings | | Low flow or lukewarm | Scale in heat exchanger | Descale and filter cleaning | ## Why homeowners and businesses call Hometech - More than 20 years of hands-on repair experience - Joe is certified in the repair methods Hometech offers - Honest diagnosis and a clear price before work starts - Small, owner-operated company focused on the customer - On-time arrival, every visit ## Tankless Water Heater Service across the Valley We serve homes and businesses in Chandler, Gilbert, Mesa, Tempe, Scottsdale, Queen Creek, Ahwatukee, Phoenix, Glendale, Fountain Hills, Cave Creek and West Phoenix. - [Appliance repair in Chandler](https://home-tech-test.lovable.app/service-areas/chandler/) - [Appliance repair in Gilbert](https://home-tech-test.lovable.app/service-areas/gilbert/) - [Appliance repair in Mesa](https://home-tech-test.lovable.app/service-areas/mesa/) - [Appliance repair in Tempe](https://home-tech-test.lovable.app/service-areas/tempe/) - [Appliance repair in Scottsdale](https://home-tech-test.lovable.app/service-areas/scottsdale/) - [Appliance repair in Queen Creek](https://home-tech-test.lovable.app/service-areas/queen-creek/) - [Appliance repair in Ahwatukee](https://home-tech-test.lovable.app/service-areas/ahwatukee/) - [Appliance repair in Phoenix](https://home-tech-test.lovable.app/service-areas/phoenix/) - [Appliance repair in Glendale](https://home-tech-test.lovable.app/service-areas/glendale/) - [Appliance repair in Fountain Hills](https://home-tech-test.lovable.app/service-areas/fountain-hills/) - [Appliance repair in Cave Creek](https://home-tech-test.lovable.app/service-areas/cave-creek/) - [Appliance repair in West Phoenix](https://home-tech-test.lovable.app/service-areas/west-phoenix-communities/) ## Other services - [Refrigerator Repair](https://home-tech-test.lovable.app/appliance-repair/refrigerator-repair/) - [Freezer and Ice Maker Repair](https://home-tech-test.lovable.app/appliance-repair/freezer-and-ice-maker-repair/) - [Washer Repair](https://home-tech-test.lovable.app/appliance-repair/washer-repair/) - [Dryer Repair](https://home-tech-test.lovable.app/appliance-repair/dryer-repair/) - [Dishwasher Repair](https://home-tech-test.lovable.app/appliance-repair/dishwasher-repair/) - [Oven and Range Repair](https://home-tech-test.lovable.app/appliance-repair/oven-and-range-repair/) - [Microwave Repair](https://home-tech-test.lovable.app/appliance-repair/microwave-repair/) - [Garbage Disposal Repair](https://home-tech-test.lovable.app/appliance-repair/garbage-disposal/) - [Water Heater Repair](https://home-tech-test.lovable.app/water-heaters/water-heater-repair/) - [Tankless Water Heater Service](https://home-tech-test.lovable.app/water-heaters/tankless-water-heater/) - [HVAC Repair](https://home-tech-test.lovable.app/hvac/hvac-repair/) - [Commercial Appliance Repair](https://home-tech-test.lovable.app/commercial/commercial-appliance-repair/) - [Walk-in Cooler and Freezer Repair](https://home-tech-test.lovable.app/commercial/walk-in-cooler-and-freezer-repair/) - [Ice Machine Repair](https://home-tech-test.lovable.app/commercial/ice-machine-repair/) - [Laundromat Equipment Repair](https://home-tech-test.lovable.app/commercial/laundromat-equipment-repair/) - [Commercial Cooking Equipment Repair](https://home-tech-test.lovable.app/commercial/commercial-cooking-equipment-repair/) Talk to Joe about your repair [Book a repair](https://home-tech-test.lovable.app/book/) [Call 602-486-1901](tel:+16024861901) ### How often should a tankless heater be descaled? In hard Valley water, usually once a year. ### Do you repair tankless error codes? Yes. Joe reads the code history and finds the cause. ## Business details Phone: 602-486-1901 Address: 451 W Ranch Rd, Chandler, AZ 85225 Owner: Joe Monday: 08:00–20:00 (America/Phoenix) Tuesday: 08:00–20:00 (America/Phoenix) Wednesday: 08:00–20:00 (America/Phoenix) Thursday: 08:00–20:00 (America/Phoenix) Friday: 08:00–20:00 (America/Phoenix) Saturday: 08:00–20:00 (America/Phoenix) Sunday: Emergency service only (America/Phoenix)