Open 24 hours, 7 days in Bethesda, MD · Call (301) 979-7781
24/7 emergency service · Bethesda, MD

AC or heat out? We answer 24/7, Bethesda.

Day, night, weekend or holiday, a real person picks up and books your visit on the call. 24-7 HVAC of Bethesda handles emergency AC repair, furnace repair, heat pumps and tune-ups for homes across Bethesda, Chevy Chase and Potomac.

Why Bethesda calls us

  • A real person answers, and we book you on the call
  • Upfront quote before any work starts
  • No surprise upsells, no pressure
  • Diagnostic fee credited toward your repair
AC Repair
Furnace & Heating
Heat Pumps
Mini-Splits
Tune-Ups

24/7 HVAC services in Bethesda, MD

From a dead AC in July to a cold house in January, here's what we handle.

AC Repair

Warm air, strange noises, leaks, or a unit that won't turn on. We diagnose the cause and quote the fix before starting.

Furnace & Heating Repair

No heat, short cycling, or a pilot that won't stay lit. Gas and electric furnaces serviced across Bethesda.

Heat Pump Service

Repair and service for heat pumps that aren't heating or cooling the way they should.

AC & Furnace Installation

When repair isn't worth it anymore, we'll walk you through replacement options sized to your home.

Tune-Ups & Maintenance

Seasonal tune-ups that catch small problems before they turn into a breakdown on the hottest or coldest day.

Thermostats & Airflow

Thermostat installs, uneven rooms, weak airflow, and duct issues that make some rooms hotter or colder than others.

Why Bethesda homeowners choose 24-7 HVAC of Bethesda

Around-the-clock HVAC service in Bethesda, MD, with no runaround and no surprises.

A real person answers

Call at 2pm or 2am and you'll talk to someone who can get you on the schedule.

Upfront pricing

You get the price before any work starts. Nothing happens until you approve it.

Diagnostic fee credited

Go ahead with the repair and the diagnostic fee comes off your total.

Open 24/7

Nights, weekends and holidays. Emergency calls get the earliest available tech.

Common HVAC problems we fix in Bethesda, MD

If any of these sound familiar, call 24-7 HVAC of Bethesda.

AC blowing warm airOften refrigerant, a failing capacitor, or a dirty coil.
Furnace won't turn onIgnitor, flame sensor, thermostat, or safety switch issues.
Heat pump stuck in defrostCommon in Montgomery County winters and usually fixable.
Uneven roomsDuctwork leaks, airflow problems, or an undersized system.
Water leaking from the ACClogged condensate line or a frozen evaporator coil.
High energy billsAging equipment or a system overdue for a tune-up.

How it works

Three steps from "it's broken" to "it's fixed."

1

Call or book online

Tell us what's going on. We'll book a time that works for you while you're on the phone.

2

Diagnosis & upfront quote

A technician inspects your system, explains the problem in plain English, and gives you a price before any work begins.

3

Fixed, and you check it

Once the work is done, make sure everything's running right before you pay.

No pressure. No surprises.

You get the price before we start, and the diagnostic fee goes toward the repair if you move forward. If you'd rather not, there's no obligation.

Call now

Areas we serve

Serving homes, townhouses and condos across Bethesda and lower Montgomery County.

BethesdaChevy ChasePotomacNorth BethesdaKensingtonGarrett ParkGlen Echo2081420815208162081720852

Book 24/7 HVAC service in Bethesda

The fastest way to get on the schedule is to call. Prefer to type? Fill out the form and we'll call you back to confirm a time.

(301) 979-7781

Tap to call from your phone.

We'll call you back to confirm your appointment.

Common questions

Are you really open 24/7?

Yes. Calls are answered 24 hours a day, 7 days a week, including holidays. Emergency calls in Bethesda get the earliest available technician.

Do you charge for a diagnostic visit?

There's a diagnostic fee to inspect your system. If you go ahead with the repair, that fee is credited toward the job.

Will I know the price before work starts?

Yes. Your technician explains what's wrong and gives you a price first. Nothing happens until you approve it.

Do you work on all brands?

We service most major AC, furnace, and heat pump brands. Tell us your brand when you call if you know it.

Which areas do you serve?

All of Bethesda and North Bethesda (20814, 20815, 20816, 20817, 20852), plus Chevy Chase, Potomac, North Bethesda, Kensington, Garrett Park and Glen Echo.

Are you open on weekends and at night?

Yes. 24-7 HVAC of Bethesda takes calls around the clock. Call and we'll book the earliest available time.

Call now Book online