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HVAC Contractor in Montgomery County, MD

Montgomery County stretches from close-in neighborhoods near the DC line to the communities along the I-270 corridor, and Nero's Heating & Air serves the entire county. Our technicians handle furnaces, boilers, radiators, air conditioners, heat pumps, ductless mini-splits and water heaters, with emergency heating and cooling service available when a system stops altogether.

Our service area includes Takoma Park, Silver Spring, Bethesda, Chevy Chase, Kensington and Rockville, then continues north through Gaithersburg and Germantown. Wherever the call comes from, the job starts with the system and the home in front of us.

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  • HVAC R 47671
  • Master HVAC & EPA 608
  • BBB Accredited A+
  • Insured

Our HVAC Services in Montgomery County

A technician checking an open furnace in a basement

Heating Services

Montgomery County has a real mix of heating systems. Some homes still rely on boilers and radiators, while others use gas furnaces or newer heat pumps. Our heating team works across that range, including no-heat calls, uneven rooms, aging equipment and systems that need attention before winter.

Two technicians swapping an old tank water heater for a new one

Water Heater Services

Hot water problems tend to become obvious fast. Maybe the shower runs cold too soon, the temperature keeps changing or the tank has started leaking. We work with both tank and tankless water heaters and can help determine whether the problem is worth fixing or whether the unit has reached the end of its useful life.

Why Montgomery County Homeowners Choose Us as Their HVAC Contractor

  • Diagnosis Before Any HVAC Replacement Quote
  • $75 Diagnostic, Waived on Repair
  • Free Estimates on New HVAC Systems
  • Maryland HVAC/R License HVAC R 47671
  • Master HVAC License and EPA 608 Certification
  • BBB Accredited With A+ Rating
  • One-Year Labor Warranty on HVAC Installations
  • 30-Day Labor Warranty on HVAC Repairs
  • Emergency AC and Furnace Repair
  • Six-Month Follow-Up on Every Job

Your Montgomery County Address Decides Who Handles the HVAC Permit

Montgomery County does not use one permitting path everywhere. In most unincorporated areas, theMontgomery County Department of Permitting Services (DPS) handles the mechanical permit for a furnace, air conditioner, heat pump or boiler. Some incorporated towns add their own requirements, while Rockville and Gaithersburg run their own permitting systems instead.

We check the address first, confirm which office has jurisdiction and handle the HVAC permit required for the installation.

The property itself can also affect the setup. Condos, townhomes and larger residential buildings may have association or building rules for outdoor equipment, shared spaces and access, so we confirm those details before the system is chosen.

A technician going over a written price with two homeowners at their kitchen table
A technician going through the written estimate with a homeowner at her kitchen table

Rebates and Financing Can Change How You Budget for a New System

Rebates

The incentive available in Montgomery County depends partly on the equipment and utility serving the home. Potomac Electric Power Company (Pepco) and Washington Gas offer qualifying efficiency programs through EmPOWER Maryland.

It is worth checking those programs while you are still comparing systems. We can go through the current options during your estimate so you know whether the equipment you are considering may qualify before it is ordered.

See current Maryland HVAC rebates

Financing

Few households get to choose when a furnace or an air conditioner gives out, so a replacement tends to arrive as a bill rather than as a plan. Financing spreads it across monthly payments. Whatever the options are, they arrive alongside the written estimate, so the payment per month can be read against the price of the job itself before anything is agreed.

See ways to pay for a new system

Questions Montgomery County Homeowners Ask

It can. The county caps residential noise at 55 dBA at night, measured on the receiving property, and a steady compressor hum is held 5 dBA tighter still.

It can. Every condominium, cooperative, and homeowner association here registers each year with the Department of Housing and Community Affairs, and that register is public, so the rules can be checked first.

The county was built in waves. Through the 1950s it was almost entirely single-family houses, townhouses led the 1980s, and high-rise buildings have led since 2010. Each period asks for something different.

Not everywhere. The Agricultural Reserve covers 93,000 acres, nearly a third of the county, at one house per 25 acres, so upcounty it is worth confirming what reaches the property first.

Short cycling usually points somewhere other than the compressor. A clogged filter, a failing capacitor, or a system oversized for the house can each stop a run before the thermostat is satisfied.

Looking for HVAC Repair or Replacement in Montgomery County?

Tell us what you have noticed, whether that is a system that has stopped, one that is working harder than it did last year, or one somebody has already told you to replace. Our team will come out, look at it, and tell you where it actually stands.

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