How often do I need to renew my HVAC Contractor License in Maryland?

The HVAC Contractor License in Maryland must be renewed every 24 months.

How much does it cost to renew a HVAC Contractor License in Maryland?

The renewal cost for a HVAC Contractor License in Maryland is $456.25.

What happens if my HVAC Contractor License expires in Maryland?

Performing HVAC work on residential properties without an MHIC license in Maryland is a misdemeanor. Penalties include fines up to $5,000 and up to 2 years in prison.

Maryland renewal guide

HVAC Contractor License

If this license is up for renewal, this page gives you the fee, the timeline, and the items that usually hold the filing up.

Start here

What matters before you file.

Check the fee, the renewal window, and the documents or insurance records that can slow approval down.

Issuing authority

Maryland Home Improvement Commission (MHIC)

Renewal period

Every 24 months

Renewal fee

$456.25

Bond requirement

No

Insurance requirement

Yes — General Liability, Workers' Compensation

Before you renew

Get the filing straight.

1
Check the insurance certificates

Make sure the required policies are current and match what the board or agency expects before you file.
2
File with the board

File through Maryland Home Improvement Commission (MHIC) and pay the $456.25 renewal fee once the supporting proof is ready.
Renew online
3
Leave room for processing

Typical processing time is 30 days, so do not wait until the last minute.

Detailed notes

The fine print is here.

Maryland HVAC Contractor License

HVAC contractors performing residential work in Maryland must hold a license through the Maryland Home Improvement Commission (MHIC). Maryland does not have a separate state HVAC licensing board — HVAC residential work requires the standard MHIC license.

Requirements

MHIC License: Must hold an active MHIC home improvement license
Insurance: General liability and workers' compensation insurance
EPA Certification: Section 608 certification recommended for refrigerant handling
Application Fee: $403.75 (includes $281.25 application fee + $100 Guaranty Fund contribution + $22.50 processing)

Renewal Information

Renewal Period: Every 2 years
Renewal Fee: $456.25 (includes $281.25 application fee + $175 Guaranty Fund assessment)
No CE Required: Maryland does not mandate continuing education for HVAC contractors through MHIC

Scope of Work

Licensed HVAC contractors can install, maintain, and repair heating, ventilation, and air conditioning systems in residential properties throughout Maryland.

Licensing Structure

Unlike electrical and plumbing, HVAC in Maryland falls under the MHIC umbrella rather than having its own dedicated licensing board. There is no separate HVAC contractor license in Maryland — HVAC residential work is covered by the standard MHIC home improvement contractor license. Commercial HVAC work may have additional requirements depending on the jurisdiction.

*Disclaimer: This information is provided for general reference only and does not constitute legal advice. Always verify current requirements directly with the MHIC.*

Official links