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Home / Bethesda, MD

Keep your home or business comfortable year-round with professional HVAC Services in Bethesda, MD from AVS Heating & Air Conditioning. We provide complete heating, cooling, and indoor comfort solutions for residential and commercial properties, including HVAC repair, installation, maintenance, air conditioning, furnaces, heat pumps, thermostats, and sump pumps. Backed by 30+ years of experience, 24/7 emergency service, and expert workmanship, our experienced HVAC contractors deliver reliable solutions tailored to your comfort needs. As one of the trusted HVAC companies in Bethesda, we service all major HVAC brands and systems.

Professional HVAC Services in Bethesda

Whether you need emergency HVAC repairs, a new heating or cooling system, seasonal maintenance, or indoor comfort upgrades, AVS Heating & Air Conditioning provides dependable HVAC Services in Bethesda, MD for homes and businesses. Our experienced technicians diagnose, repair, install, and maintain heating and cooling equipment to help maximize comfort, improve energy efficiency, and extend system lifespan. As a trusted HVAC contractor in Bethesda, we are committed to delivering quality workmanship, honest recommendations, and dependable service every time. 

Service List

Bethesda 24/7 HVAC Services

Heating and cooling problems can happen without warning. AVS Heating & Air Conditioning provides 24/7 HVAC services in Bethesda, MD, with experienced technicians available day or night to restore your comfort. Whether you need emergency repairs, system replacement, or urgent heating and cooling assistance, we’re ready to help.

HVAC Repair Services

When your HVAC system isn’t heating or cooling properly, our technicians quickly diagnose the problem and perform dependable repairs. We service all major HVAC brands and restore reliable performance for furnaces, air conditioners, heat pumps, and complete HVAC systems.

HVAC Installation Services

Whether you’re replacing an aging HVAC system or installing equipment in a new property, we provide professional HVAC installation services designed around your property’s size, comfort requirements, and energy goals. Every installation is completed according to manufacturer specifications for dependable long-term performance.

Air Conditioning Services

We provide complete air conditioning services, including AC repair, installation, replacement, maintenance, and seasonal tune-ups. Our cooling solutions help keep your home comfortable while improving system efficiency and reducing energy costs.

Furnace Services

Our furnace services include furnace repair, installation, replacement, maintenance, and seasonal tune-ups. Whether you have a gas or electric furnace, our technicians help ensure reliable heating throughout the winter months.

Heat Pump Services

Heat pumps provide efficient year-round comfort. We install, repair, replace, and maintain heat pump systems that deliver dependable heating and cooling while helping improve energy efficiency.

Sump Pump Services

Protect your basement from flooding with professional sump pump services. We provide sump pump repair, installation, replacement, battery backup systems, and preventive maintenance to help safeguard your property from water damage.

HVAC Maintenance & Tune-Ups

Routine maintenance helps reduce unexpected breakdowns, improve energy efficiency, and extend equipment lifespan. Our HVAC maintenance services include inspections, cleaning, performance testing, and identifying potential problems before they become major repairs.

Why Choose AVS Heating & Air Conditioning?

30+ Years of HVAC Experience: Our experienced technicians have been providing reliable heating and cooling services throughout Bethesda and the surrounding communities for more than three decades.

Complete Heating & Cooling Solutions: From HVAC repair and installation to air conditioning, furnaces, heat pumps, thermostats, and sump pumps, we provide comprehensive services under one roof.

Done Right the First Time: We focus on quality workmanship, accurate diagnostics, and dependable solutions that restore long-term system performance.

24/7 Emergency Service: Our technicians are available 24 hours a day, 365 days a year to respond quickly whenever unexpected HVAC problems occur.

Honest Pricing & Personalized Solutions: We provide transparent recommendations, upfront pricing, and customized HVAC solutions designed around your property’s needs and budget.

Frequently Asked Questions

What HVAC services do you provide in Bethesda, MD?

We provide HVAC repair, installation, maintenance, air conditioning services, furnace services, heat pump services, thermostat installation, indoor air quality solutions, and sump pump services for residential and commercial properties.

Do you offer emergency HVAC services?

Yes. AVS Heating & Air Conditioning provides 24/7 emergency HVAC services throughout Bethesda for heating and cooling emergencies.

Do you service both residential and commercial HVAC systems?

Yes. We provide complete HVAC services for homes, offices, retail stores, healthcare facilities, apartment buildings, restaurants, and other commercial properties.

Do you repair all HVAC brands?

Yes. Our technicians repair and service most major HVAC manufacturers and heating and cooling systems. (AVS)

How often should HVAC systems be serviced?

Most HVAC systems should receive professional maintenance twice a year—once before the cooling season and once before the heating season.

Do you install energy-efficient HVAC systems?

Yes. We install modern, energy-efficient heating and cooling systems designed to improve comfort while reducing energy consumption.

Do you install and repair heat pumps?

Yes. We provide complete heat pump installation, repair, replacement, and maintenance services.

Do you provide sump pump services?

Yes. We provide sump pump repair, installation, replacement, and battery backup system services to help protect your property from water damage.

Why should I choose a local HVAC contractor in Bethesda?

A local HVAC contractor understands the area’s climate, responds faster during emergencies, and provides personalized service backed by local experience.

Schedule Your HVAC Service in Bethesda, MD

Whether you need HVAC repair, installation, maintenance, air conditioning services, furnace repair, heat pump service, or sump pump solutions, AVS Heating & Air Conditioning is ready to help. Backed by 30+ years of experience, 24/7 service, 365 days a year, no extra charge for evenings, weekends, or holidays, and a commitment to personalized solutions and getting the job done right the first time, we provide reliable HVAC services for homes and businesses throughout Bethesda. Contact our team today to schedule your HVAC service or request a free estimate.

Call Now: 301-686-7129

Request Service Online: Contact our team to schedule your sump pump installation at a time that’s convenient for you.

Email: avsservice@yahoo.com

Address:
4900 Auburn Ave #200
Bethesda, MD 20814, United States

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    Recent Jobs and Reviews in bethesda, md

    Rated 5.0 out of 5 stars based on 27 customer reviews

    Customers say: The reviews reflect an overwhelmingly positive sentiment toward AVS Heating and Air. Customers consistently express high satisfaction with the company's responsiveness, particularly highlighting their ability to provide same-day service and quick responses to urgent situations, even during extreme weather conditions or late hours. The technical competence of the service team is frequently praised, with customers appreciating that technicians arrive prepared with the necessary tools and parts to resolve issues in a single visit. Professionalism and reliability emerge as recurring themes, with many reviewers noting their repeated use of the company's services over time. The overall tone is decidedly positive, with customers expressing gratitude for prompt resolution of heating and cooling problems and indicating they would recommend the service to others.

    Job Locations and Reviews

    Bethesda, MD - A thorough inspection and maintenance of an air-conditioning unit was performed. The coil was found to be dirty, so it was cleaned to ensure optimal performance. The garden house was also cleaned to remove any debris or dirt that could affect the unit's efficiency. Additionally, the system's pressures were checked to ensure they were within the manufacturer's specifications. This maintenance helped to improve the unit's overall performance and extend its lifespan. The job was completed with attention to detail and a commitment to providing high-quality service.
    Anil S.
    Anil S. Checked in
    A thorough inspection and maintenance of an air-conditioning unit was performed. The coil was found to be dirty, so it was cleaned to ensure optimal performance. The garden house was also cleaned to remove any debris or dirt that could affect the unit's efficiency. Additionally, the system's pressures were checked to ensure they were within the manufacturer's specifications. This maintenance helped to improve the unit's overall performance and extend its lifespan. The job was completed with attention to detail and a commitment to providing high-quality service.
    Bethesda, MD 20817
    Anil S.
    Anil S. Checked in
    Upon receiving a call about a Carrier air-conditioning unit experiencing frequent low-voltage control fuse failures, I promptly arrived at the site. After a thorough inspection, I identified the issue as a recurring problem with the low-voltage control fuse blowing every couple of days. To address this, I conducted a detailed diagnostic test on the system's components. The investigation led to the discovery of a faulty Contractor Relay, which was causing the fuse to blow. I replaced the defective relay with a new one, ensuring the system was functioning correctly. Post-replacement, I performed a series of tests to confirm the issue was resolved and the system was operating efficiently. The customer was pleased with the quick and effective resolution of the problem.
    Bethesda, MD 20817
    Bethesda, MD - Air-conditioning repair Bethesda. Md. 301-217-9239
    Anil S.
    Anil S. Checked in
    Air-conditioning repair Bethesda. Md. 301-217-9239
    Bethesda, MD 20817
    Bethesda, MD - Hvac Carrier AC refill Freon refrigerant gas in Bethesda
    Anil S.
    Anil S. Checked in
    Hvac Carrier AC refill Freon refrigerant gas in Bethesda
    Bethesda, MD 20817
    Review
    After having rough time getting Ac fixed finally got the right guys to fix my AC today.
    Kathy - Bethesda, MD 20817
    Bethesda, MD - Carrier air conditioner not cooling. Replace AC Relay Contractor and fuse.
    Anil S.
    Anil S. Checked in
    Carrier air conditioner not cooling. Replace AC Relay Contractor and fuse.
    Bethesda, MD 20817
    Bethesda, MD - Ruud Hvac. Bad indoor furnace blower fan motor. Check capacitor, Heat Exchanger, gas valve operator, coin, airflow, and air temperature.
    Anil S.
    Anil S. Checked in
    Ruud Hvac. Bad indoor furnace blower fan motor. Check capacitor, Heat Exchanger, gas valve operator, coin, airflow, and air temperature.
    Bethesda, MD 20817
    Bethesda, MD - Trane air conditioner. Bad capacitor.
    Anil S.
    Anil S. Checked in
    Trane air conditioner. Bad capacitor.
    Bethesda, MD 20814
    Bethesda, MD - Bryant air conditioner. Clean and maintained HVAC system
    Anil S.
    Anil S. Checked in
    Bryant air conditioner. Clean and maintained HVAC system
    Bethesda, MD 20814
    Bethesda, MD - AC unit need cleaning and bed Relay in Carrier air-conditioning system in Bethesda Maryland
    Anil S.
    Anil S. Checked in
    AC unit need cleaning and bed Relay in Carrier air-conditioning system in Bethesda Maryland
    Bethesda, MD 20814
    Bethesda, MD - HVAC system service in Bethesda. Md. 20817
    Anil S.
    Anil S. Checked in
    HVAC system service in Bethesda. Md. 20817
    Bethesda, MD 20817
    Review
    I called Anel on a Friday evening and he sent Danny over first thing the next morning around 8. Am to diagnose the issue with our AC unit. Service technician quickly diagnosed the issue and Sam came over to discuss our options, which were presented in pretty clear terms. Once I gave them the okay to proceed, they were able to move forward with fixing the A/C unit in Chantilly, Virginia,and a cleaned the same day, a Saturday. They worked through both the rain storms and the heat of the afternoon and checked in repeatedly to let us know their progress. They had our A/C up and running in time for our kid’s birthday party and then checked in later to make sure everything was working properly.
    Jacqueline - Bethesda, MD 20816
    Bethesda, MD - Goodman Air conditioning. Refilled Coolant and replaced capacitor for fan motor
    Anil S.
    Anil S. Checked in
    Goodman Air conditioning. Refilled Coolant and replaced capacitor for fan motor
    Bethesda, MD 20816
    Review
    Very happy and 100% satisfied with the work done by Dylan at my house.
    Robert - Bethesda, MD 20817
    Bethesda, MD - Air conditioning fixed and cleaned
    Anil S.
    Anil S. Checked in
    Air conditioning fixed and cleaned
    Bethesda, MD 20817
    Review
    Great experienced technician came and diagnosed the problem.
    Johnson - Bethesda, MD 20816
    Bethesda, MD - American standard train AC unit not cooling. Clean the coil and refill Freon.
    Anil S.
    Anil S. Checked in
    American standard train AC unit not cooling. Clean the coil and refill Freon.
    Bethesda, MD 20816
    Bethesda, MD - Air conditioning fan broken in Bethesda. Md.
    Anil S.
    Anil S. Checked in
    Air conditioning fan broken in Bethesda. Md.
    Bethesda, MD 20816
    Anil S.
    Anil S. Checked in
    Air conditioning unit fan broken. In Bethesda. Md.
    Bethesda, MD 20816
    Bethesda, MD - Apt. air-conditioning unit in Bethesda. Very noisy fan motor. Found paper stuck in the blower wheel of the fan inside AC unit.
    Anil S.
    Anil S. Checked in
    Apt. air-conditioning unit in Bethesda. Very noisy fan motor. Found paper stuck in the blower wheel of the fan inside AC unit.
    Bethesda, MD 20817
    Bethesda, MD - Mitsubishi high efficiency Ductless Minisplit air-conditioning unit in Bethesda Maryland 20814 serviced by AVS heating and air-conditioning company.
    Anil S.
    Anil S. Checked in
    Mitsubishi high efficiency Ductless Minisplit air-conditioning unit in Bethesda Maryland 20814 serviced by AVS heating and air-conditioning company.
    Bethesda, MD 20814
    Bethesda, MD - Air conditioning Service Company in Bethesda. Maryland. Fast and reliable service.
    Anil S.
    Anil S. Checked in
    Air conditioning Service Company in Bethesda. Maryland. Fast and reliable service.
    Bethesda, MD 20817
    Review
    Using these guys for almost 27 years after moving into the area. Always been an excellent experience.
    Scott Jr - Bethesda, MD 20814
    Bethesda, MD - Carrier AC unit needed Freon refrigerant and filter.
    Anil S.
    Anil S. Checked in
    Carrier AC unit needed Freon refrigerant and filter.
    Bethesda, MD 20814
    Review
    Diagnosed and fixed same day by AVS Service Technician Cris.
    David - Bethesda, MD 20816
    Bethesda, MD - Thermostat not letting heat to come on
    Anil S.
    Anil S. Checked in
    Thermostat not letting heat to come on
    Bethesda, MD 20816
    Review
    Highly recommended to anyone looking for HVAC repair services
    Kenny - Bethesda, MD 20817
    Bethesda, MD - Furnace repair Bethesda MD
    Anil S.
    Anil S. Checked in
    Furnace repair Bethesda MD
    Bethesda, MD 20817
    Review
    Came same day when outdoor temperature was 29 degrees. Started my heat.
    Miller - Bethesda, MD 20817
    Bethesda, MD - Fixed Furnace. Replaced Ignition Switch
    Anil S.
    Anil S. Checked in
    Fixed Furnace. Replaced Ignition Switch
    Bethesda, MD 20817
    Review
    Great job
    Johnson - Bethesda, MD 20817
    Bethesda, MD - Replaced high voltage air conditioning heating thermostat in apartment building. Bethesda, Maryland.
    Anil S.
    Anil S. Checked in
    Replaced high voltage air conditioning heating thermostat in apartment building. Bethesda, Maryland.
    Bethesda, MD 20817
    Bethesda, MD - Bad blower fan motor in the furnace
    Anil S.
    Anil S. Checked in
    Bad blower fan motor in the furnace
    Bethesda, MD 20814
    Bethesda, MD - Lennox Heatpump. Electric Bill $863. In 1800. Sqft House. Replaces stuck relay control Board in indoor heating unit.
    Anil S.
    Anil S. Checked in
    Lennox Heatpump. Electric Bill $863. In 1800. Sqft House. Replaces stuck relay control Board in indoor heating unit.
    Bethesda, MD 20814
    Review
    Great help when it’s 97 degrees in the upstairs bedroom. Came within few hours and fixed the problem As expected. Thanks to Danny at AVS.
    Paul - Bethesda, MD 20817
    Review
    AC technician from AVS Heating and Air Conditioning came and started my Hvac. I watched the whole job how they found the Freon leak and fixed it.
    Deonte - Bethesda, MD 20816
    Review
    Great experience working with AVS Heating and Air
    Azaadi - Bethesda, MD 20816
    Review
    Came at a short notice and started the air conditioning. Price was reasonable compared to some other places in the area.
    Johnson - Bethesda, MD 20817
    Review
    Can’t wait to tell my friends about AVS. They replaced my AC in the apartment at short notice before my friends arrive from overseas.
    Johnny - Bethesda, MD 20817
    Review
    Got my washer fixed at a short notice. I will Definitely use AVS again.
    Daniel - Bethesda, MD 20814