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7 hvac pros serving Herndon, VA. Compare experience, team size and the work they do, then contact them directly — Fixerlane never charges customers.

Top pros for your project

1. Leonice heating, ventilation and Air conditioning

Herndon, VA18 years in business

Based in Herndon, VA, Leonice heating, ventilation and Air conditioning works as a furnace installer. It has been in business for 18 years. Homeowners in Herndon replacing a furnace often compare efficiency levels, single-stage versus variable-speed options, and whether to replace the air conditioner at the same time for matched equipment. A replacement day usually ends with a walkthrough on filter changes, thermostat use, and where the shutoff switch is located. Common requests for furnace installation include electric furnace installation, furnace sizing and load calculation, furnace and AC system replacement, gas furnace replacement and gas line connection for furnaces. A furnace that is aging, needs frequent repairs, or requires an expensive part often leads homeowners to compare repair costs with a full replacement. Share the home's square footage, age, number of stories, and any rooms that are consistently too hot or too cold. Venting changes, ductwork modifications, attic or tight-space installs, permit fees, and fuel conversions add labor and materials to the total. Customers in Herndon and nearby areas such as Reston, Sterling and Great Falls can request a quote. Accepted payment methods include Cash, Check, Square cash app and Zelle. Request a quote from Leonice heating, ventilation and Air conditioning on Fixerlane and describe the job you need done.

2. Rockstar Fire and Stone LLC

Herndon, VA16 years in business7 employees

Based in Herndon, VA, Rockstar Fire and Stone LLC works as a fireplace repair technician. A team of 7, the business has been operating for 16 years. A repair visit usually starts with an inspection of the firebox, damper, smoke chamber, and flue, and for gas units, the ignition system and controls. Once the problem is identified, the damaged parts are rebuilt or replaced and the unit is tested to confirm it draws properly and operates cleanly. On their profile, Rockstar Fire and Stone LLC lists chimney & fireplace services: fireplace installation. Smoke entering the room, a damper that will not fully open or close, or cracked bricks inside the firebox are signs a fireplace needs repair before use. For gas units, photograph the data plate, usually found behind the lower grille or access panel, so the brand and model can be identified. Roof access, chimney height, and whether gas components must be special ordered for an older model commonly influence the final price. Besides Herndon, homeowners in Reston, Sterling and Great Falls can reach out for fireplace repair. Posted hours are Monday to Sunday, 8:00 am to 9:00 pm. Accepted payment methods include Cash, Check, Square cash app, Venmo and Zelle. Request a quote from Rockstar Fire and Stone LLC on Fixerlane and describe the job you need done.

3. AVILES HVAC heating and air conditioning

Herndon, VA14 years in business2 employees

AVILES HVAC heating and air conditioning provides central air conditioning repair in Herndon, VA. The business has been operating for 14 years with a team of 2. Diagnosis typically starts at the thermostat, moves to the indoor air handler and filter, and finishes at the outdoor condenser. Readings taken at each point help separate a simple fix, like a failed capacitor or clogged drain, from a larger problem such as a refrigerant leak or a compressor fault. On their profile, AVILES HVAC heating and air conditioning lists a/c services needed: repair and routine maintenance; property type: house, condo/apartment, townhouse and business. AVILES HVAC heating and air conditioning is also listed for handyman. Rattling, grinding, or repeated clicking noises from the condenser, along with a sudden jump in summer power bills, often lead homeowners to call for a repair visit. Mention where the indoor unit sits, whether in an attic, closet, garage, or basement, along with access limits like a pull-down ladder or locked side gate. System age, part availability for the specific model, and whether the visit falls on evenings or weekends are the usual factors behind a repair quote. Customers in Herndon and nearby areas such as Reston, Sterling and Great Falls can request a quote. Posted hours are Monday to Sunday. Accepted payment methods include Apple Pay, Cash, Check, Credit card, PayPal and Square cash app. Request a quote from AVILES HVAC heating and air conditioning on Fixerlane and describe the job you need done.

4. EOZ. HVAC

Herndon, VA11 years in business5 employees

EOZ. HVAC provides central air conditioning repair in Herndon, VA. The business has been operating for 11 years with a team of 5. Central air repair addresses a system that runs but does not cool, will not start at all, or behaves erratically through the day. The technician checks electrical components, airflow, refrigerant pressures, and condensate drainage to find the failure, then repairs or replaces the specific part involved so cooling returns. Typical jobs for central air conditioning repair in Herndon include short cycling problems, contactor replacement, noisy outdoor unit, clogged condensate drain line and blower motor repair. Rattling, grinding, or repeated clicking noises from the condenser, along with a sudden jump in summer power bills, often lead homeowners to call for a repair visit. Mention where the indoor unit sits, whether in an attic, closet, garage, or basement, along with access limits like a pull-down ladder or locked side gate. AC repair cost is driven mainly by which part failed, whether refrigerant must be recovered or added, and how accessible the indoor and outdoor equipment is. Customers in Herndon and nearby areas such as Reston, Sterling and Great Falls can request a quote. Posted hours are Monday to Friday, 6:00 am to 9:00 pm. Accepted payment methods include Cash, Check, Credit card, PayPal, Square cash app and Venmo. Request a quote from EOZ. HVAC on Fixerlane and describe the job you need done.

5. Ivan

Herndon, VA3 years in business10 employees

Ivan provides central air conditioning repair in Herndon, VA. A team of 10, the business has been operating for 3 years. Central air repair addresses a system that runs but does not cool, will not start at all, or behaves erratically through the day. The technician checks electrical components, airflow, refrigerant pressures, and condensate drainage to find the failure, then repairs or replaces the specific part involved so cooling returns. Common requests for central air conditioning repair include blower motor repair, noisy outdoor unit, frozen evaporator coil, capacitor replacement and AC not cooling diagnosis. Warm air from the vents, an outdoor unit that hums without the fan turning, or ice forming on the refrigerant lines usually means the system needs repair soon. Mention where the indoor unit sits, whether in an attic, closet, garage, or basement, along with access limits like a pull-down ladder or locked side gate. AC repair cost is driven mainly by which part failed, whether refrigerant must be recovered or added, and how accessible the indoor and outdoor equipment is. Customers in Herndon and nearby areas such as Reston, Sterling and Great Falls can request a quote. Accepted payment methods include Cash, Check and Credit card. To get started, send Ivan a request on Fixerlane with the details of your project.

6. 911Air-Care

Herndon, VA3 years in business4 employees

911Air-Care is a central air repair technician serving Herndon, VA. A team of 4, the business has been operating for 3 years. During hot stretches in Herndon, the most frequent repair calls involve iced-over coils, outdoor fans that will not spin, and water pooling near the indoor unit. Each symptom has several possible causes, and a repair visit narrows the list down with testing before any parts are ordered or replaced. On their profile, 911Air-Care lists a/c services needed: repair and routine maintenance; property type: house, condo/apartment, townhouse and business. 911Air-Care is also listed for garbage disposal installation. Short cycling, rising humidity indoors, and water leaking near the furnace or air handler are common early signs that an air conditioning system has a problem. Take a photo of the outdoor unit data plate and the indoor unit label so the brand, model, and approximate age are known before anyone arrives. System age, part availability for the specific model, and whether the visit falls on evenings or weekends are the usual factors behind a repair quote. Customers in Herndon and nearby areas such as Reston, Sterling and Great Falls can request a quote. Posted hours are Monday to Saturday, 8:00 am to 8:00 pm. Accepted payment methods include Apple Pay, Cash, Check, Credit card, Google Pay and Samsung Pay. To get started, send 911Air-Care a request on Fixerlane with the details of your project.

7. All Season Home Services

Herndon, VA2 years in business

All Season Home Services provides furnace repair in Herndon, VA. It has been in business for 2 years. A no-heat call in Herndon usually starts with questions about what the furnace is doing, such as clicking, blinking lights, or blowing cold air. After testing, the technician explains the cause and repair options. The visit ends with the system running through a full heating cycle to confirm the fix. Common requests for furnace repair include limit switch replacement, inducer motor replacement, control board replacement, clogged condensate line repair and pressure switch replacement. All Season Home Services is also listed for furniture assembly and handyman. Cold air from vents, a furnace that starts and stops repeatedly, or blinking error lights on the unit are clear signs a repair is needed. Describe exactly what happens when heat is called, such as clicking, no response, or cold air, and when the problem started. Unit age, parts availability, difficult attic or crawlspace access, and calls outside regular business hours can all change the final repair price. Customers in Herndon and nearby areas such as Reston, Sterling and Great Falls can request a quote. Accepted payment methods include Apple Pay, Cash, Venmo and Zelle. Request a quote from All Season Home Services on Fixerlane and describe the job you need done.

HVAC near Herndon

Sterling, VA (6 · 4.6 mi)Fairfax, VA (11 · 7.2 mi)Chantilly, VA (3 · 9.3 mi)Germantown, MD (4 · 11.4 mi)Falls Church, VA (4 · 12.5 mi)Centreville, VA (3 · 12.5 mi)Leesburg, VA (4 · 13.4 mi)Gaithersburg, MD (10 · 15 mi)

Other services in Herndon

Handyman (22)Cleaning (21)Painting (15)Moving & Junk Removal (9)Construction & Contracting (8)Remodeling & Carpentry (8)Landscaping & Lawn Care (5)Roofing & Exterior (4)Electrical (4)Masonry & Concrete (3)Appliance Repair (3)