Complete guide to permits and licenses required to start a hvac in Colchester, VT. Fees, renewal cycles, and agency contacts.
Federal Labor Law Posters
U.S. Department of Labor
Required Fee: $25.00-$25.00
Renewal: one time
Type: permit
Includes FLSA, EEOC, OSHA, and other required federal notices.
Vermont Labor Law Posters
Vermont Department of Labor
Required Renewal: one time
Type: permit
Includes Minimum Wage, Paid Family Leave, Workers’ Compensation, and Unemployment Insurance notices.
Vermont LLC Formation and Registration
Vermont Secretary of State
Required Fee: $135.00-$135.00
Renewal: one time
Type: registration
All LLCs must file Articles of Organization online or by mail. Annual Report required separately (see below).
Vermont LLC Annual Report
Vermont Secretary of State
Required Fee: $35.00-$35.00
Renewal: annual
Type: registration
Required for all active LLCs to maintain good standing.
Assumed Business Name (DBA) Registration
Vermont Secretary of State
May Apply Fee: $20.00-$20.00
Renewal: one time
Type: registration
Required if LLC uses trade name/DBA. Renews with Annual Report.
Refrigeration Contractor License (Group 3)
Vermont Department of Public Safety - Fire Marshal's Office
Required Fee: $175.00-$175.00
Renewal: biennial
Type: license
Required for HVAC businesses installing, servicing, or maintaining refrigeration/AC systems using Group 3 refrigerants (most common HVAC). Must designate a Qualified Person (QP) with passing exam score.
Qualified Person (QP) Designation for Refrigeration License
Vermont Department of Public Safety - Fire Marshal's Office
Required Fee: $100.00-$100.00
Renewal: biennial
Type: permit
Business must employ/designate at least one QP who passes state EPA-approved exam for Group 3 refrigerants. QP certificate valid 2 years.
Master Electrician License (for electrical HVAC work)
Vermont Department of Public Safety - Electrical Licensing
May Apply Fee: $110.00-$110.00
Renewal: biennial
Type: license
Required if HVAC business installs electrical components. Must be under supervision of licensed Master Electrician.
Vermont Business Registration with Department of Taxes
Vermont Department of Taxes
Required Fee: $0.00-$0.00
Renewal: one time
Type: registration
Register for Meals & Rooms tax, Sales & Use tax, Withholding tax if applicable. All businesses required.
Asbestos Supervisor Certification (if applicable)
Vermont Department of Health
May Apply Fee: $50.00-$50.00
Renewal: annual
Type: permit
Required for any HVAC work involving asbestos abatement or renovation.
Vermont Sales Tax Permit (Registration)
Vermont Department of Taxes
May Apply Renewal: one time
Type: registration
HVAC installation, repair, and maintenance are taxable services in VT. Quarterly returns are due 20 days after the end of the period (e.g., Q1 due Apr 20).
Vermont Business Tax Account (State Income Tax Registration)
Vermont Department of Taxes
Required Fee: $0.00-$0.00
Renewal: one time
Type: registration
Creates the account used for filing corporate income tax (Form VT‑C) or partnership return (Form VT‑2) depending on the LLC’s tax election.
Vermont State Income Tax – Annual Return (Corporate/Partnership)
Vermont Department of Taxes
Required Renewal: one time
Type: filing
LLC taxed as a corporation files VT‑C; LLC taxed as a partnership files VT‑2. Estimated tax payments may be required quarterly.
Professional Liability / Errors & Omissions Insurance
None (not state-mandated)
May Apply Fee: $500.00-$2000.00
Renewal: one time
Type: certificate
State law does not mandate professional liability for HVAC contractors, but it is strongly recommended to protect against claims of negligent design or advice.
HVAC Contractor License Bond
Vermont Department of Professional Regulation (DPPR)
May Apply Fee: $10000.00-$10000.00
Renewal: one time
Type: certificate
Minimum bond amount is $10,000; the bond guarantees compliance with state licensing statutes and payment of any statutory penalties.
Commercial Auto Insurance
Vermont Department of Motor Vehicles
May Apply Fee: $1200.00-$2500.00
Renewal: one time
Type: certificate
Minimum liability limits are $25,000 per person for bodily injury, $50,000 per accident for bodily injury, and $25,000 for property damage (Vermont Statutes Title 23, Chapter 1).
Product Liability Insurance
Not required by Vermont statute for welding businesses
May Apply Fee: $600.00-$600.00
Renewal: one time
Type: certificate
While Vermont law does not require product liability coverage, many contractors obtain it to protect against claims arising from defective equipment.
Liquor Liability Insurance
Not applicable to welding businesses
Required Renewal: one time
Type: certificate
HVAC contractors do not serve alcoholic beverages; therefore liquor liability insurance is not required.
Obtain Employer Identification Number (EIN)
Internal Revenue Service (IRS)
Required Fee: $0.00-$0.00
Renewal: one time
Type: registration
Required for LLCs with employees, multiple members, or any federal tax filing. Also needed to open a business bank account.
Vermont Employer Withholding Tax Registration
Vermont Department of Taxes
May Apply Fee: $0.00-$0.00
Renewal: one time
Type: registration
After registration, quarterly deposits are due the 15th day of the month following each quarter (Apr 15, Jul 15, Oct 15, Jan 15). Annual reconciliation (Form W‑3) is due Jan 31.
Vermont Unemployment Insurance (UI) Tax Registration
Vermont Department of Labor
May Apply Fee: $15500.00-$15500.00
Renewal: one time
Type: registration
Quarterly UI contributions are due Apr 30, Jul 31, Oct 31, Jan 31. Rates for 2024 range from 0.68 % to 5.4 % of taxable wages up to $15,000 per employee.
Vermont Gross Receipts/Franchise Tax
Vermont Department of Taxes
May Apply Renewal: one time
Type: filing
No filing required; included for completeness.
Local Business License – Burlington (example municipality)
City of Burlington, Vermont
May Apply Fee: $50.00-$50.00
Renewal: one time
Type: license
Other VT towns may have similar licensing requirements; check the specific municipality where the HVAC business will operate.
Zoning Permit
Vermont Department of Housing and Community Development
May Apply Fee: $50.00-$500.00
Renewal: one time
Type: permit
HVAC businesses must verify zoning allows commercial/industrial use; home-based operations may need home occupation permit. Specific municipal bylaws apply (e.g., Burlington Code of Ordinances Ch. 21).
Building Permit
Vermont Department of Housing and Community Development
May Apply Fee: $0.50-$0.50
Renewal: one time
Type: permit
Issued by local building official; HVAC installation work itself requires separate state licensing but triggers building permit review.
Certificate of Occupancy
Local Building or Fire Official
May Apply Fee: $100.00-$300.00
Renewal: one time
Type: permit
Local inspector issues after verifying zoning, building, fire, and health compliance.
Fire Safety Inspection/Permit
Vermont Department of Public Safety - Fire Marshal
May Apply Fee: $50.00-$300.00
Renewal: annual
Type: permit
Local fire marshal conducts; HVAC shops storing refrigerants may need hazmat review.
Sign Permit
Varies by municipality (example - Burlington)
May Apply Fee: $50.00-$500.00
Renewal: one time
Type: permit
Varies by municipality; e.g., Burlington Code Ch. 21, Art. 7. Must specify city/county for exact ordinance.
Alarm Permit (Burglar/Fire Alarm)
Varies by municipality (e.g., City of Burlington Police)
May Apply Fee: $25.00-$50.00
Renewal: annual
Type: permit
Many VT municipalities (e.g., Essex, South Burlington) require registration to reduce false alarms.
Home Occupation Permit
Vermont League of Cities and Towns (via municipal examples)
May Apply Fee: $0.00-$200.00
Renewal: one time
Type: permit
Local zoning bylaws govern; prohibited if generating traffic/noise/nuisance.
Parking Permit/Approval
Local Municipal Planning Department
May Apply Renewal: one time
Type: permit
Reviewed during zoning/building permit process; HVAC fleet parking may trigger.
Noise Ordinance Compliance Permit
Varies by municipality
May Apply Fee: $0.00-$100.00
Renewal: one time
Type: permit
Most VT municipalities have noise ordinances; no separate permit but enforced via complaints.
Workers' Compensation Insurance
Vermont Department of Labor – Workers' Compensation Division
May Apply Fee: $300.00-$300.00
Renewal: one time
Type: certificate
Statutory minimum limits are $500,000 per employee for each of medical expenses, indemnity (wage loss), and death benefits (32 V.S.A. § 1011).
General Liability Insurance (required for HVAC contractor license)
Vermont Department of Professional Regulation (DPPR)
May Apply Fee: $500.00-$500.00
Renewal: one time
Type: certificate
DPPR requires a minimum of $100,000 general liability coverage per occurrence and $300,000 aggregate.
Annual Fire Department Inspection for Gas‑Fired HVAC Equipment
Local Fire Department (e.g., Burlington Fire Department)
May Apply Fee: $100.00-$100.00
Renewal: annual
Type: permit
Schedule with the local fire marshal; keep the inspection certificate on site.
Record Retention Requirements
Vermont Department of Taxes & Vermont Department of Labor
Required Renewal: one time
Type: permit
Include copies of licenses, tax returns, payroll records, insurance certificates, and inspection reports.
Federal Income Tax Filing (LLC taxed as partnership)
Internal Revenue Service (IRS)
Required Fee: $300.00-$300.00
Renewal: annual
Type: filing
Default classification for multi‑member LLCs. Single‑member LLCs are disregarded entities and report on Schedule C of Form 1040.
Federal Income Tax Filing (LLC taxed as corporation)
Internal Revenue Service (IRS)
Required Fee: $500.00-$500.00
Renewal: annual
Type: filing
LLCs may elect to be taxed as C‑Corporations by filing Form 8832.
Employment Tax Deposits & Quarterly Filings (Form 941 & Form 940)
Internal Revenue Service (IRS)
May Apply Renewal: varies
Type: filing
Required for any LLC that pays wages subject to Social Security, Medicare, and federal unemployment taxes.
OSHA Recordkeeping (OSHA 300 Log) & General Industry Safety Standards
Occupational Safety and Health Administration (OSHA)
May Apply Fee: $500.00-$500.00
Renewal: annual
Type: permit
HVAC work involves hazardous chemicals, electrical safety, and fall protection; OSHA standards 29 CFR 1910.119 (process safety), 1910.120 (hazardous materials), and 1910.331‑335 (electrical) are applicable.
EPA Section 608 Certification – Refrigerant Handling
U.S. Environmental Protection Agency (EPA)
May Apply Fee: $100.00-$100.00
Renewal: one time
Type: license
All HVAC technicians who handle refrigerants must be certified (Types I, II, III, or Universal).
EPA Significant New Alternatives Policy (SNAP) Compliance
U.S. Environmental Protection Agency (EPA)
May Apply Renewal: one time
Type: permit
HVAC firms must transition to EPA‑approved alternatives and maintain records of refrigerant purchases.
EPA Quarterly Reporting of Certain Refrigerants (Form R‑1)
U.S. Environmental Protection Agency (EPA)
May Apply Renewal: varies
Type: filing
Reporting is required for manufacturers, importers, and service providers handling controlled refrigerants.
Department of Transportation (DOT) Hazardous Materials (HAZMAT) Registration & Training
U.S. Department of Transportation, Pipeline and Hazardous Materials Safety Administration (PHMSA)
May Apply Fee: $150.00-$150.00
Renewal: one time
Type: license
HVAC contractors who ship refrigerants to job sites must register as a HAZMAT carrier and ensure employees complete DOT HAZMAT training.
Americans with Disabilities Act (ADA) Title III – Service Accessibility
U.S. Department of Justice, Civil Rights Division
May Apply Fee: $1000.00-$1000.00
Renewal: one time
Type: permit
HVAC firms must ensure that communication (phone, website) and service delivery are accessible to individuals with disabilities.
Federal Trade Commission (FTC) Advertising & Consumer Protection Compliance
Federal Trade Commission (FTC)
Required Fee: $500.00-$500.00
Renewal: one time
Type: permit
HVAC advertisements must be truthful, substantiated, and must not misrepresent energy‑efficiency ratings or warranty terms.
Department of Labor – I‑9 Employment Eligibility Verification
U.S. Department of Labor, Office of Immigration Services
May Apply Renewal: one time
Type: permit
All HVAC contractors with employees must complete and retain Form I‑9 for each hire.
Department of Labor – Fair Labor Standards Act (FLSA) Wage & Hour Requirements
U.S. Department of Labor (DOL) – Wage and Hour Division
May Apply Renewal: one time
Type: permit
HVAC firms must pay at least the federal minimum wage, overtime for >40 hours/week, and maintain accurate time records.
Department of Labor – Family and Medical Leave Act (FMLA) Applicability
U.S. Department of Labor (DOL) – Family and Medical Leave
May Apply Renewal: one time
Type: permit
Most small HVAC LLCs will not meet the employee threshold, but the requirement should be monitored as the business grows.
Mechanical Contractor (HVAC) License Renewal
Vermont Department of Professional Regulation (DPPR)
Required Fee: $150.00-$150.00
Renewal: annual
Type: license
Renew online through DPPR. Must maintain proof of liability insurance and workers’ comp coverage.
Continuing Education for Mechanical Contractors
Vermont Department of Professional Regulation
Required Fee: $50.00-$50.00
Renewal: biennial
Type: permit
Minimum 12 CE hours required every two years for the Mechanical Contractor license.
Vermont Estimated Income Tax Payments (Quarterly)
Vermont Department of Taxes
Required Renewal: varies
Type: permit
Submit electronically via VT Taxpayer Access Point (TAP).
Vermont Business Income Tax Return (Form IN‑111)
Vermont Department of Taxes
Required Renewal: annual
Type: filing
File electronically via TAP. Attach Schedule C if LLC is taxed as a disregarded entity.
Vermont Sales & Use Tax Return
Vermont Department of Taxes
May Apply Renewal: one time
Type: filing
Registration required if annual taxable sales exceed $10,000. File via TAP.
Federal Income Tax Return (Schedule C with Form 1040)
Internal Revenue Service (IRS)
Required Renewal: annual
Type: filing
Single‑member LLC taxed as a sole proprietorship files Schedule C attached to Form 1040.
Federal Estimated Tax Payments (Quarterly)
Internal Revenue Service (IRS)
Required Renewal: varies
Type: filing
Submit via EFTPS or mail Form 1040‑ES.
Federal Unemployment Tax Act (FUTA) Annual Return (Form 940)
Internal Revenue Service (IRS)
May Apply Renewal: annual
Type: filing
FUTA applies to most employers; file electronically via IRS e‑file.
Vermont Unemployment Insurance Quarterly Contributions
Vermont Department of Labor
May Apply Fee: $7000.00-$7000.00
Renewal: varies
Type: filing
File and pay via the Vermont UI online portal.
Workers’ Compensation Insurance Coverage
Vermont Department of Labor – Workers’ Compensation Division
May Apply Renewal: annual
Type: certificate
Maintain proof of coverage and display the certificate in a conspicuous location.
OSHA 300 Log Posting (Annual)
Occupational Safety and Health Administration (OSHA)
May Apply Renewal: annual
Type: permit
Display the OSHA 300A summary in a visible area.
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