HVAC Services in Bethesda, MD

Your Bethesda HVAC Company, With an Office in Town

AVS has an office at 4900 Auburn Ave #200 in Bethesda, so you can call a local number, 301-686-7129, and speak to a company that has served the area for more than three decades. We do not quote a fixed arrival time, because it depends on the day and where our technicians are, so call us and we will give you a time when you book.

24/7 Emergency and Same-Day HVAC Service in Bethesda

A system that fails in a heat wave or on a freezing night cannot wait. We provide same-day service and 24/7 emergency repair in Bethesda, 365 days a year, with no extra charge for evenings, weekends or holidays.

“In the middle of the worst heatwave in years, my air conditioner suddenly stopped working… I called AVS, and not only did they come out at 11:00 pm that very same evening, just a few hours after I called, they efficiently and professionally diagnosed the problem as a failed capacitor, replaced it, and had the air conditioner running again in just 15 minutes.” Rich, Google review

HVAC Repair and Replacement: What It Costs

You should know the price before work begins. Our site visits start at $90, and most repairs fall between $150 and $300 or more, depending on the part and the labour. Complex repairs get a custom quote before work starts. For a replacement, we explain the options and the full cost first, and financing is available, including 0% APR for up to 18 months on select units. See our AC repair cost guide.

Permits and Local Rules in Bethesda (Montgomery County)

Bethesda is in Montgomery County, where the Department of Permitting Services handles HVAC permits. The county’s residential mechanical permit page says a mechanical permit is required to install, alter, repair or replace an HVAC system, including air conditioners and heat pumps, with a small exemption for portable and small self-contained units up to 12,000 BTU. DPS can be reached at 240-777-0311. We confirm permit requirements before we start work. Source: Montgomery County DPS.

Need an HVAC Company in Bethesda Today? Call AVS

Whether your AC just stopped, your furnace will not start, or you are planning a replacement, one call to AVS gets you a technician from a family-owned company with an office in Bethesda. We provide same-day service and 24/7 emergency repair, with no extra charge for evenings, weekends or holidays.

Call Now

What happens when you call

1. You tell us the problem and your address. Describe what the system is doing, and whether it is a house, a condo or a business.
2. We book your visit. We offer same-day service and give you a time when you book. For a no-heat or no-cooling emergency, say so and we treat it as an emergency call.
3. We explain before we repair. The technician diagnoses the problem and explains the repair and the cost before starting.

Fastest route for your problem

• AC not cooling: AC repair in Bethesda
• No heat: furnace repair or heater repair
• Heat pump problem: heat pump repair
• Planning a replacement: call for a free replacement estimate and ask about financing.

AVS Heating and Air Conditioning, 4900 Auburn Ave #200, Bethesda, MD 20814. Phone 301-686-7129. Email avsservice@yahoo.com. Maryland HVAC licence 520714137895.