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

Homeowners in Herndon, Virginia rely on Herndon HVAC Company for heating and cooling repairs, tune-ups, and system replacements. The focus stays on accurate diagnosis and practical solutions.
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Marco & Son Ac & Heating

Marco & Son Ac & Heating

★★★★★ 4.7 / 5 (65)
13359 Parcher Ave, Herndon VA 20170
Heating & Air Conditioning/HVAC

For over 15 years, Marco & Son Ac & Heating has been the trusted, family-owned HVAC expert in Herndon, VA. They specialize in heating and cooling system repair, maintenance, and installation. Providing reliable service across Northern Virginia, they handle all brands and offer free estimates for new units. For your HVAC needs, call your local contractor at 703-609-0956.

Miguel's Home Improvement

Miguel's Home Improvement

Herndon VA 20170
General Contractors, Heating & Air Conditioning/HVAC, Electricians

Miguel's Home Improvement provides trusted general contracting, electrical, and HVAC services for Herndon, VA homes. Their skilled technicians handle everything from kitchen remodeling and circuit breaker repair to emergency HVAC service. Available seven days a week, they are a reliable choice for quality repairs and installations across Northern Virginia.

Quality DC Appliance Repair

Quality DC Appliance Repair

★★★★★ 5.0 / 5 (13)
Herndon VA 20171
Appliances & Repair, Heating & Air Conditioning/HVAC, Water Heater Installation/Repair

Quality DC Appliance Repair provides trusted appliance and HVAC service for Herndon, VA. With 13 years of local experience, their skilled technicians handle repairs and installations for stoves, refrigerators, water heaters, and heating systems, offering reliable solutions to keep homes comfortable.

T&T Associates

T&T Associates

★★★★★ 4.8 / 5 (39)
1515 Summerset Pl, Herndon VA 20170
Heating & Air Conditioning/HVAC

T&T Associates is a trusted HVAC company serving Herndon, VA and the surrounding communities. With expert service since 1984, they handle installations, repairs, and maintenance. Their skilled technicians are available 24/7 for emergency heating and cooling needs, providing reliable care for both homes and businesses.

Fairfax Cooling & Heating Company

Fairfax Cooling & Heating Company

★★★★☆ 4.0 / 5 (40)
11681 Gilman Ln, Herndon VA 20170
Heating & Air Conditioning/HVAC

Fairfax Cooling & Heating Company is a trusted HVAC provider in Herndon, VA, offering expert repairs, new system installations, and emergency service. As a certified Trane dealer, they handle both residential and commercial needs with skilled technicians. Their reliable work supports customers throughout Centreville, Reston, and the wider Northern Virginia area.

Ajax Contracting, LLC

Ajax Contracting, LLC

★★★★★ 5.0 / 5 (1)
Herndon VA 20170
Electricians, Heating & Air Conditioning/HVAC

Ajax Contracting, LLC is a trusted Herndon, VA electrical and HVAC contractor founded in 2011. Their skilled technicians provide electrical installations, panel upgrades, and full HVAC system service. As a certified LG and TRANE dealer, they handle installations, repairs, and maintenance for residential clients across Northern Virginia.

Hvilla

Hvilla

★★★★★ 5.0 / 5 (1)
Herndon VA 20191
Heating & Air Conditioning/HVAC

Hvilla provides reliable HVAC service from Herndon, VA. With over ten years of experience, their skilled technicians handle installations, repairs, and maintenance for heating and cooling systems. They are a trusted local provider for urgent HVAC needs, offering free estimates for their work in the Washington D.C. area.

D Nguyen Quang Heating & AC

D Nguyen Quang Heating & AC

★★★★★ 4.6 / 5 (10)
2817 Gibson Oaks Dr, Herndon VA 20171
Heating & Air Conditioning/HVAC

D Nguyen Quang Heating & AC provides reliable heating and air conditioning services to Herndon, VA and the surrounding communities. Their experienced team is known for dependable repairs and installations. They offer support for urgent HVAC issues, making them a trusted local resource for home comfort needs in Reston, Fairfax, Chantilly, and beyond.

Comfort Zone Heating And Air Conditioning

Comfort Zone Heating And Air Conditioning

★★★☆☆ 3.1 / 5 (9)
Herndon VA 20170
Heating & Air Conditioning/HVAC

Since 2009, Comfort Zone Heating and Air Conditioning has been a trusted HVAC provider for Herndon, VA. Their skilled technicians handle system installation, repair, and maintenance for residential and commercial clients. As a locally owned and insured company, they focus on reliable service and customer peace of mind throughout Northern Virginia.

Good Guys Homecare

Good Guys Homecare

★★★★★ 4.6 / 5 (16)
Herndon VA 20170
Plumbing, Water Heater Installation/Repair, Heating & Air Conditioning/HVAC

Good Guys Homecare, serving Herndon, VA, is a trusted local provider with over 25 years of experience. Their skilled technicians handle plumbing, water heater services, and HVAC needs, including installations and repairs. They offer reliable service for residents in Reston, Sterling, and surrounding areas, with Saturday hours for your convenience. Count on their licensed expertise for your home's essential systems.

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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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