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Air 1 Mechanical Heating and Cooling logo with text emphasizing HVAC services for indoor air quality improvement.
Technician discussing HVAC services with a homeowner beside an air conditioning unit, featuring Air 1 Mechanical branding, emphasizing heating and cooling solutions.

WE DO it All !

  • INSTALLATION
  • maintenance
  • REPAIR
  • replacement
CONTACT US TODAY TO SCHEDULE SERVICE
Call Us: 703-360-4357

Same Day Service

Certified Technicians

Same Day Service

Senior & First Responder Discount

Financing Options

100 % workmanship Guaranteed

Same Day Service

Certified Technicians

Text / Calls Reminder

Senior & First Responder Discount

Financing Options

100 % workmanship Guaranteed

Two technicians discussing HVAC services next to an air conditioning unit, with text emphasizing installation, maintenance, repair, and replacement services, showcasing Air 1 Mechanical's commitment to customer satisfaction and same-day service in Sterling, VA.

Water Heater Repair

Fast, Reliable Water Heater Repairs to Keep the Hot Water Flowing

A faulty water heater can bring your entire household or business to a standstill — no hot showers, no clean dishes, no comfortable laundry cycles. If your unit is leaking, producing rusty water, or simply not heating as it should, you need fast, dependable repair service to restore your hot water supply.
At AirOne360, we provide comprehensive water heater repair services for tank and tankless models, covering all major brands. Backed by over 22 years of experience, our licensed plumbers use advanced diagnostic tools to find the root cause quickly and deliver lasting repairs, not temporary fixes.
Call Now for Same-Day Drain Service

Why Timely Water Heater Repair Matters

Delaying repairs can lead to bigger problems, higher bills, and even water damage. Here’s why acting fast is important:

Professional technician performing heating repairs on an HVAC system in a home setting, emphasizing reliable service and comfort restoration in Sterling, VA.
Restore Comfort Quickly: Hot water is essential for bathing, cooking, and cleaning.
Professional technician performing heating repairs on an HVAC system in a home setting, emphasizing reliable service and comfort restoration in Sterling, VA.
Prevent Further Damage: A minor leak or faulty heating element can escalate into a burst tank or electrical hazard.
Professional technician performing heating repairs on an HVAC system in a home setting, emphasizing reliable service and comfort restoration in Sterling, VA.
Lower Utility Bills: A struggling heater consumes more energy to maintain temperature.
Professional technician performing heating repairs on an HVAC system in a home setting, emphasizing reliable service and comfort restoration in Sterling, VA.
Protect Your Property: Water leaks can damage walls, floors, and nearby electrical wiring.
Professional technician performing heating repairs on an HVAC system in a home setting, emphasizing reliable service and comfort restoration in Sterling, VA.
Avoid Wasting Water & Energy: Efficient repairs help conserve both.
The sooner you repair your water heater, the less likely you’ll face costly damage or a full replacement.

Service you can trust.

We have over 22 years of experience with home air conditioner repairs in Air 1 Mechanical System.

Special Offers
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Common Water Heater Problems We Fix

Our skilled plumbers handle all typical water heater issues, including:

No hot water

Inconsistent water temperature

Leaking tank, valves

Or fittings

Pilot light or ignition failure

on gas heaters

Faulty heating elements or thermostats

In electric units

Water takes too long to reheat

Or runs out quickly

Rust-colored or cloudy water

Indicating corrosion or sediment buildup

Unusual noises

Such as popping, rumbling, or hissing sounds

Low water pressure

In hot water lines

Customers Trust & Experience

Image showcasing HVAC service offerings with a focus on Air 1 Mechanical's commitment to quality and customer satisfaction in Annandale, VA.
Image showcasing HVAC service offerings with a focus on Air 1 Mechanical's commitment to quality and customer satisfaction in Annandale, VA.
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Heating system repair services by Air 1 Mechanical, emphasizing efficiency, safety, and cost savings in Sterling, VA.

Our Simple 5-Step Repair Process

We make the repair experience quick, transparent, and hassle-free:

01

Book & Confirm

  • Schedule online or call; we confirm your slot promptly.
Service advertisement featuring HVAC technician, showcasing furnace repair services, emphasizing same-day service, certified technicians, and customer satisfaction guarantees.

02

On-Site Diagnosis

  • Our plumber inspects the unit, explains what’s wrong.
Service advertisement featuring HVAC technician, showcasing furnace repair services, emphasizing same-day service, certified technicians, and customer satisfaction guarantees.

03

Clear Upfront Quote

  • We provide a written estimate before starting work.
Service advertisement featuring HVAC technician, showcasing furnace repair services, emphasizing same-day service, certified technicians, and customer satisfaction guarantees.

04

Repair & Test

  • We fix the issue, flush or clean the unit if needed, and run safety tests.
Service advertisement featuring HVAC technician, showcasing furnace repair services, emphasizing same-day service, certified technicians, and customer satisfaction guarantees.

05

Walk-Through & Care Tips

  • We explain what we repaired and share maintenance tips to prevent repeat problems.

Why Choose AirOne360 for Water Heater Repairs

Replacing a furnace is a major decision — and you need a partner you can trust. Customers choose AirOne360 because:

22 + Years of Experience

In Plumbing Expertise

Licensed, Certified & Insured Plumbers –

Experts in all brands & types

Fully-Stocked Vans

most repairs completed on the first visit

Same-Day & 24/7 Emergency Service

Available

Upfront Pricing

No Surprise Fees

Workmanship Guarantee & Manufacturer Warranties

Honored on parts

Thousands of Satisfied Customers

Who trust us with their home comfort

Our Water Heater Repair Services

We’re equipped to repair both residential and commercial water heaters:

01

Tank-Style Water Heater Repairs

Anode rod replacement, thermostat fixes, leak repairs, tank flushing

02

Tankless Water Heater Repairs

Descaling, sensor replacement, burner cleaning, software reset

03

Gas Water Heater Repairs

Pilot assembly, gas valve, thermocouple & venting issues

04

Electric Water Heater Repairs

Heating elements, thermostats, wiring, breaker faults

05

Emergency Leak Repairs

Stop active leaks to prevent flooding

06

Preventive Maintenance & Flush-Out

Remove sediment, improve efficiency, extend unit life

Signs Your Water Heater Needs Immediate Service

  • Hot water runs out too quickly or doesn’t reach set temperature
  • Leaking water around the heater or fittings
  • Popping, banging, or rumbling noises from the tank
  • Discolored water (brown, yellow, or cloudy) when using hot taps
  • Temperature fluctuations or lukewarm water despite thermostat setting
  • Sudden spike in energy bills without increased usage
  • Pilot light repeatedly going out or error codes on tankless display

Preventive Care to Avoid Future Breakdowns

Annual tank flush

To remove sediment buildup

Anode rod inspection & replacement

To prevent tank corrosion

Regular temperature-pressure valve checks

for safety

Filter cleaning

For tankless models to prevent error codes

Thermostat calibration & electrical checks

For consistent heating

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Contact Now

Our Quality & Safety Promise

  • We follow all local plumbing codes and safety standards.
  • Only manufacturer-approved parts and high-grade materials used.
  • We keep your home clean and protected during every repair.
  • All work is backed by our Satisfaction Guarantee for peace of mind

Commercial Water Heater Repair

Businesses rely on dependable hot water for restrooms, kitchens, and cleaning. We provide:
  • Priority emergency response for restaurants, gyms, offices & multi-unit buildings
  • Repairs for large-capacity storage tanks & on-demand systems
  • Scheduled maintenance contracts to reduce downtime and extend unit life
  • After-hours repairs to minimize disruption during peak business hours

Frequently Asked Questions

Q1: Do you repair all water heater brands?
Yes. We repair Rheem, Bradford White, AO Smith, Navien, Rinnai, Noritz, Bosch, State, Whirlpool, and more.
We offer same-day service for most calls and 24/7 emergency availability for urgent leaks or no-hot-water situations.
Absolutely. Our plumber will evaluate your unit’s age, condition, and cost of repair vs. replacement to help you decide what’s best.
We recommend an annual inspection and flush for tank units and yearly descaling for tankless models.
Yes. All workmanship is guaranteed, and replacement parts include the manufacturer’s warranty.
Yes — ask about insulating tank heaters, lowering thermostat settings, installing a timer, or upgrading to a high-efficiency model when replacement is needed.

Special Offers

10% discount promotion for first-time customers at Air 1 Mechanical, featuring a blue background with white dotted border and an illustration of a service vehicle.
$79 Seasonal Special for emergency service calls, featuring promotional text and a service vehicle in a blue and orange design, emphasizing indoor air quality solutions.
Special offer graphic for Air 1 Mechanical featuring discounts for teachers, military, and first responders on HVAC and plumbing services.
$75 off humidifier installation special promotion, featuring blue background with white border, text highlighting savings, and call-to-action for scheduling service.
Up to $2,700 discount and rebate on new high-efficiency Carrier Infinity System, featuring a service vehicle and promotional call to action.
$100 off new water heater installations offer, featuring promotional text and a service vehicle illustration, emphasizing energy-efficient home solutions.
Promotional banner for Air 1 Mechanical offering a free second opinion on air quality services without additional diagnosis fees.
Seniors discount advertisement for Air 1 Mechanical, offering $75 off HVAC/plumbing repair services for senior citizens, featuring a blue background and promotional text.
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Upgrade to a Reliable, Energy-Efficient Furnace Today!

Call(703) 360-4357
Book Service Online

Get Hot Water Back Fast — Schedule Your Water Heater Repair Today!

Call(703) 360-4357
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Air 1 Mechanical Heating and Cooling logo, emphasizing HVAC services for improving indoor air quality and comfort.
We offer 24/7 Emergency Service to all of our customers. You can always count on Air 1 Mechanical Sys.
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