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Contact Rounds Heating & Air

We are a family-run heating and cooling business serving North Bethesda and the surrounding Montgomery County communities. When you reach out, you connect with a real local person who knows the area, knows the housing stock, and is personally invested in getting your system running right. Call us to schedule a service call, request an estimate, or get answers about what your heating or cooling system needs.

Experienced HVAC technicians. Code-compliant work. Professional service.

Call Us for a Quote or to Schedule Service

The only step you need to take is a phone call. Whether you are dealing with a system that stopped working this morning or planning a replacement before next season, we handle it the same way: a technician comes out, assesses the equipment, explains what we find, and gives you a clear price before any work begins.

Call (240) 939-5495 to reach us directly.

We keep you posted from the first call until your system's running again.

What We Handle

We cover the full range of residential and commercial heating and cooling work across North Bethesda and Montgomery County. A few of the most common reasons people call us:

  • AC repair, service, and seasonal tune-ups
  • Furnace repair, replacement, and fall maintenance
  • Heat pump repair and installation
  • Boiler and hydronic heating service
  • Ductless mini-split installation and repair
  • Full HVAC system installation and replacement
  • Thermostat and smart-control installation
  • Ductwork repair and sealing
  • Indoor air quality and air filtration
  • Emergency HVAC service for no heat and no cool situations

If you are not sure whether your job fits, call us anyway. We will let you know what we can do and what the next step looks like.

We're Here To Help - Call Now

Our Hours

Good HVAC work isn't complicated, it's just done right, and being available when customers need us is part of doing it right. We are available every day of the week, including weekends and holidays, during regular service hours. Emergency service is available outside those hours for situations that cannot wait.

Regular Service Hours

  • Monday through Sunday: 6:00 AM to 8:30 PM

Emergency Service

Available around the clock for no-heat and no-cool emergencies. Call (240) 939-5495 at any hour and we will respond as quickly as possible.

Who We Serve

We work with homeowners, renters, landlords, property managers, and commercial building owners throughout the area. Property managers trust us to keep their buildings comfortable, and we understand what a system-down situation means for a managed property or a tenant who cannot wait.

Whether you own a single-family home in North Bethesda, manage a multi-unit building in Rockville, or run a commercial space in Bethesda, Gaithersburg, Kensington, Silver Spring, Potomac, or anywhere else in Montgomery County, we are a local call away. If you are just outside our regular service area, call us and we will confirm whether we cover your location.

Real People On The Phones - Call

What to Expect When You Call

When the technician arrives, the real work begins, and everything before that should be straightforward. Here is how a typical service call works:

  1. You call (240) 939-5495 and describe what your system is doing, or not doing.
  2. We schedule a visit and confirm your appointment window.
  3. A qualified HVAC technician arrives at the agreed time, ready to work.
  4. We run a full diagnostic, explain what we find in plain terms, and give you a clear price before any work begins.
  5. We complete the work, test the system, and make sure everything is running correctly before we leave.

Quick response. Straight pricing. No surprises at the unit.

Call Today

We are a local HVAC company homeowners and property managers across Montgomery County rely on for honest work and clear communication. Reach out today to schedule service, request an estimate, or ask about what your system needs.

Call (240) 939-5495 and we will get a qualified HVAC technician out to your property. Pick up the phone and we'll handle the system.

Fast Estimates Available - Call

(240) 939-5495