Delaware HVAC license lookup: how to check and get a license
Delaware HVAC license lookup: who issues HVAC contractor licenses (Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, Division of Professional Regulation), how to check one online, the license types, and 344 plumbing, heating and air-conditioning contractors by county.
Do HVAC contractors need a license in Delaware?
| Who licenses them | Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, Division of Professional Regulation |
|---|---|
| License types | Master HVACR, Master Restricted HVACR |
| When a license is required | License required for HVACR work regardless of job size |
A Master Restricted HVACR license is limited to one specialty (such as air conditioning), so confirm it covers your system. Refrigerant work also requires federal EPA Section 608 certification.
How do you look up an HVAC contractor's license in Delaware?
- Ask the HVAC contractor for the license number and the exact business name on the license.
- Open the Delaware HVAC license lookup run by Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, Division of Professional Regulation.
- Search by license number first. A name search can return several people or companies with similar names.
- Check that the status is active or current, that the license type covers your job, and that the name matches the company on your contract.
- If something doesn't match, ask the HVAC contractor about it before you sign or pay a deposit, or contact Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, Division of Professional Regulation.
What HVAC licenses does Delaware issue?
- Master HVACR
- Master Restricted HVACR
How do you get a HVAC license in Delaware?
Licenses are issued by the Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, Division of Professional Regulation. Requirements such as experience, exams, insurance and fees change, so read the current rules on the official Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, Division of Professional Regulation source before you apply. Already licensed? List your business on Expert Helper to get matched with customers.
How many HVAC contractors are there in Delaware?
The Census Bureau counted 344 plumbing, heating and air-conditioning contractors with employees in Delaware in 2023. The counties with the most:
| New Castle County | 188 |
|---|---|
| Sussex County | 100 |
| Kent County | 56 |
What do Delaware homes mean for heating and cooling work?
The median home in Delaware was built in 1986, 28% of households rent and 74% of homes are single-family houses. 42% of homes heat with utility gas and 37% with electricity, and 9% with fuel oil.
How do you choose an HVAC contractor in Delaware?
- Check the state or local mechanical or HVAC license, and ask whether the technicians hold EPA 608 certification for refrigerant work.
- For a new system, ask for a load calculation (often called Manual J) rather than a size picked from square footage.
- Ask which rebates and tax credits apply to heat pumps and high-efficiency equipment, and whether the contractor files the paperwork.
- Compare quotes on the same equipment model numbers and efficiency ratings (SEER2, HSPF2, AFUE).
- Ask what the labor warranty covers, separately from the manufacturer's parts warranty.
HVAC Contractors in other states
Sources: Delaware licensing agency (linked above); US Census Bureau County Business Patterns 2023 and ACS 2023 5-year estimates.