Top Emergency HVAC Services in Herndon, VA,  20170  | Compare & Call

Herndon HVAC Company

Herndon HVAC Company

Herndon, VA
Emergency HVAC Services

Phone : (888) 996-4787

Herndon HVAC Company is a local provider offering AC and heating repair in Herndon, Virginia. The company services common system types found in the area and responds to urgent comfort issues year-round.
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Master Flow HVAC

Master Flow HVAC

★★★★★ 5.0 / 5 (5)
Herndon VA 20170
Heating & Air Conditioning/HVAC

Master Flow HVAC provides reliable heating and air conditioning services in Herndon, VA. With a team bringing over 30 years of combined experience, they handle installations, repairs, and maintenance for homes and businesses. Their skilled technicians are available for emergency needs, offering trusted service across Northern Virginia.

Escob Heating & Air-conditioned

Escob Heating & Air-conditioned

Herndon VA 20170
Heating & Air Conditioning/HVAC

Escob Heating & Air-conditioning provides reliable HVAC services to Herndon, VA, and nearby areas. Their team of skilled technicians handles installations, repairs, and maintenance for home comfort systems. As a trusted local contractor, they focus on dependable service and customer satisfaction for residents in Reston, Sterling, and throughout the community.

HCJ Service

HCJ Service

Herndon VA 20170
Heating & Air Conditioning/HVAC

HCJ Service is a trusted HVAC contractor based in Herndon, VA, providing reliable heating and cooling solutions. Our skilled technicians offer expert repairs and installations for homes across Reston, Sterling, and the surrounding communities. Available for urgent service calls, we are known for dependable work and local expertise.

Central Services Heating and Air Conditioning

Central Services Heating and Air Conditioning

★★★☆☆ 2.6 / 5 (22)
13849 Park Center Rd Ste B, Herndon VA 20171
Heating & Air Conditioning/HVAC, Plumbing, Electricians

Central Home, serving Herndon, VA and surrounding communities, is your trusted local expert for heating, cooling, plumbing, and electrical needs. Founded in 1989, this experienced company provides reliable HVAC installation, repair, and inspections. They offer skilled technicians and 24/7 emergency service for your peace of mind.

Air Supply

Air Supply

★★★★★ 5.0 / 5 (1)
13823 Redskin Dr, Herndon VA 20171
Heating & Air Conditioning/HVAC

Air Supply provides reliable heating and air conditioning services to Herndon, VA, and surrounding communities like Oak Hill and Franklin Farm. Their skilled technicians are ready to assist with both scheduled maintenance and urgent repair needs, offering a trusted solution for local HVAC comfort.

Air-Tech Systems

Air-Tech Systems

13800 Coppermine Rd Ste 200, Herndon VA 20171
Heating & Air Conditioning/HVAC

Air-Tech Systems provides reliable HVAC installation, replacement, and repair services in Herndon, VA. The company is a trusted local choice for residents and businesses across Oak Hill, McNair, and the surrounding communities. Their skilled technicians handle both scheduled maintenance and urgent repair needs, ensuring your heating and cooling systems work effectively.

Donmar

Donmar

Herndon VA 20170
Heating & Air Conditioning/HVAC

Donmar provides reliable HVAC and heating services to Herndon, VA, and nearby communities. Their skilled team is ready to assist with repairs, maintenance, and urgent situations. As a trusted local contractor, they focus on straightforward solutions and dependable service for your home comfort needs.

911Air Care

911Air Care

1210 Autumn Pl, Herndon VA 20170
Heating & Air Conditioning/HVAC, Plumbing, Water Heater Installation/Repair

911Air Care is a trusted HVAC, plumbing, and water heater company in Herndon, VA, offering reliable repairs and installations. Their skilled team provides emergency service for urgent heating and cooling needs. Known for honest, 5-star customer care, they serve Oak Hill, McNair, Floris, and surrounding Northern Virginia communities with fast, effective solutions for home comfort.

HOA Airduct & Chimney Services

HOA Airduct & Chimney Services

Herndon VA 20170
Heating & Air Conditioning/HVAC, Chimney Sweeps

Need fireplace cleaning in Herndon, VA? HOA Airduct & Chimney Services is a reliable local provider for HVAC and chimney care. They bring skilled technicians to your door in Oak Hill, Sterling, and surrounding areas, offering dependable service you can count on for your home's essential systems.

Zagros

Zagros

1048 Jeff Ryan Dr, Herndon VA 20170
Heating & Air Conditioning/HVAC

Zagros is a trusted HVAC company in Herndon, VA, providing heating and air conditioning services. Their skilled technicians are ready to help residents in Oak Hill, Sterling, and the surrounding area with reliable repairs and installations. Known for dependable work, they offer emergency service to handle urgent needs quickly.



Your Complete Guide to HVAC Service in Herndon, VA

Living in Herndon, VA, means enjoying all four seasons, from beautiful spring blooms to crisp fall colors. But those seasons also bring serious weather swings. Our summer heatwaves can push into the 90s with high humidity, making a broken AC unbearable. In winter, a sudden deep freeze can turn a furnace failure from an inconvenience into a dangerous emergency. That's why having a trusted guide to HVAC service in Herndon, VA, is so important for local homeowners. This article covers everything you need to know about keeping your home comfortable and safe year-round, whether you need routine maintenance or a 24/7 emergency HVAC response.

What Does HVAC Service Mean in Herndon?

HVAC service in Herndon isn't just a one-time repair. It's the full range of care for your home's heating, ventilation, and air conditioning system. This includes regular seasonal tune-ups in the spring and fall, which are crucial for catching small issues before they become big, expensive problems. It covers repairs for everything from a noisy furnace in a Herndon Farms home to a cooling coil leak in a Fox Mill condo. Most importantly for many families, it means having access to emergency HVAC service when you need it most. We understand that a broken system often means calling for same-day HVAC service to get your life back to normal quickly.

In our community, from the older neighborhoods near downtown to newer developments, homeowners rely on their HVAC systems year-round. A spring AC check-up prepares you for summer, a fall furnace inspection gets you ready for winter, and having a trusted number for HVAC repair means peace of mind no matter what the weather brings.

When Is It a Real HVAC Emergency?

It's important to know what qualifies as a true emergency so you can act fast and stay safe. In Herndon, an HVAC emergency is any situation that poses an immediate risk to your health, safety, or property.

  • No Heat in Freezing Weather: If your furnace or heat pump stops working during a winter cold snap, especially overnight, it's an emergency. Indoor temperatures can drop rapidly, risking frozen pipes and hypothermia for vulnerable family members.
  • AC Failure During a Heatwave: When summer temperatures soar, a broken air conditioner isn't just uncomfortable. For the elderly, infants, or those with certain health conditions, it can be dangerous.
  • Gas Smells or Suspected Carbon Monoxide: If you smell natural gas (like rotten eggs) near your furnace or boiler, or if your carbon monoxide alarm goes off, leave the house immediately and call for help from outside.
  • Electrical Burning Smells or Smoke: Any burning odor coming from your HVAC equipment, like the indoor air handler or outdoor AC unit, signals a potential electrical fire hazard.
  • Major Water Leaks from Your AC: If your indoor AC unit is leaking a large amount of water, causing a puddle or damage to your ceiling or floor, it needs immediate attention to prevent mold and structural damage.

Herndon's Climate and Your Home's HVAC System

Our local climate really puts home comfort systems to the test. The high humidity of a typical Northern Virginia summer makes your air conditioner work overtime to both cool and dehumidify your air. This constant strain can lead to frozen coils or clogged condensate drains, which are common service calls. Winter brings its own challenges, with freezing temperatures that can cause components in older furnaces to fail. Many homes in Herndon, from historic properties near the W&OD Trail to modern townhomes, rely on gas furnaces or high-efficiency heat pumps. Ductless mini-split systems are also becoming more popular for additions or older homes without ductwork. Regardless of the system, the seasonal extremes mean regular HVAC service near me isn't a luxury—it's a necessity to prevent breakdowns.

Common HVAC Problems We See in Herndon Homes

As local HVAC professionals, we see the same issues pop up across our community. During summer, calls for AC not cooling are frequent. Often, it's a simple fix like a dirty air filter restricting airflow, or a more complex issue like a failing capacitor that needs a professional repair. In winter, furnace not igniting is a top call. One homeowner in the Franklin Farm area called us on a Sunday evening because their furnace wouldn't start; it turned out the flame sensor was just dirty from a season of use. Another common, and messy, problem is a clogged condensate drain line. When this line gets blocked with algae, the water from your AC's dehumidifying process has nowhere to go but into your home. We recently helped a family in the Crosspointe neighborhood who discovered a puddle in their utility room from this exact issue. These are the kinds of problems that make having a reliable contact for HVAC service in Herndon so valuable.

Emergency HVAC Service vs. Same-Day vs. Routine Care

Understanding the difference between these service levels helps you get the right help at the right time.

  • Emergency HVAC Service: This is for the dangerous situations we listed above—no heat in a freeze, a gas smell, a CO alarm, or a major failure during extreme weather. We respond 24/7 for these life-safety issues.
  • Same-Day HVAC Service: This is for urgent but non-dangerous problems. Your AC stopped cooling on a hot (but not dangerously hot) day, or your furnace is making a strange noise but still producing heat. We prioritize these calls during business hours to get you comfort back as fast as possible.
  • Routine HVAC Service: This includes your seasonal maintenance appointments, planned repairs, or installing a new thermostat. Scheduling these during normal hours is the most cost-effective way to care for your system.

A Transparent Look at HVAC Service Costs in Herndon

We believe in clear, upfront pricing. Here’s a breakdown of what goes into the cost of HVAC service. Please note, the following are conservative estimates based on local market rates for the Herndon, VA area.

  • Diagnostic Fee: This is a standard fee for the technician's time and expertise to pinpoint the problem. It typically ranges from $80 to $150.
  • Emergency Call-Out Fee: For after-hours, weekend, or holiday service for a true emergency, there is an additional dispatch fee, usually between $100 and $200.
  • Labor Rates: Standard hourly labor rates vary. After-hours emergency labor often carries a premium (1.5x to 2x the standard rate).
  • Parts: The cost of any replacement components, from filters to motors, will be itemized.

Example Scenario: Your furnace stops working on a cold Saturday night. The emergency call-out and diagnostic fee apply. If the fix is a common part like a hot surface ignitor, the total cost might range from $300 to $500 for the repair. A more complex repair, like a blower motor replacement, would be higher due to the part and labor involved.

Signs You Need Immediate HVAC Service

  • No heat when the outdoor temperature is below freezing.
  • Your carbon monoxide alarm is sounding.
  • A strong gas odor is present in your home.
  • You see smoke or smell burning coming from vents or the HVAC unit.
  • Water is pooling from your indoor AC unit.
  • Loud banging, screeching, or popping noises come from the system.
  • Your AC has completely failed during a period of dangerous heat.

What to Do While Waiting for Help: A Safety Checklist

  • Gas Smell: Evacuate everyone from the house immediately. Do not turn lights on or off. Call your gas utility from outside, then call for emergency HVAC service.
  • CO Alarm: Leave the home immediately and call 911 or your gas company. Seek fresh air.
  • Electrical Smells/Burning: If it is safe to do so, turn off the HVAC system at the thermostat and at the circuit breaker.
  • General Emergency: Move children, elderly, or pets to a safe, temperate location if possible.
  • Most Important: Never attempt to repair gas lines or high-voltage electrical components yourself. Your safety is the top priority.

Local Codes and Why Professional Service Matters

In Herndon and Fairfax County, HVAC work must comply with specific building codes and safety standards. This includes proper furnace venting to prevent deadly carbon monoxide from entering your home, and EPA-certified handling of refrigerants used in your AC or heat pump. Major system replacements often require permits and inspections. Choosing a licensed and insured HVAC service provider ensures the work is done right, protects your home's value, and, most importantly, keeps your family safe.

What to Expect: Response Times in Herndon

When you call for emergency HVAC service in Herndon, our goal is to get a technician to you as quickly as safety allows. Response times can vary based on factors like traffic on routes like the Fairfax County Parkway or the Dulles Toll Road, severe weather conditions, and the number of simultaneous emergencies. Typically, you can expect a technician to be dispatched within 60 to 180 minutes of your call. We communicate clearly about our estimated time of arrival so you know what to expect.

Your Local Partner for Comfort and Safety

Finding reliable HVAC service in Herndon, VA, means finding a partner you can trust for both planned maintenance and unexpected emergencies. It's about knowing someone local understands the stress of a broken system during a heatwave or a cold snap and will be there to help. It’s the peace of mind that comes from professional, transparent service for your biggest home investment.

Herndon Emergency HVAC provides trusted HVAC service in Herndon, VA, including 24/7 emergency response and same-day repairs. Call (888) 996-4787 now for immediate dispatch.





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