S-1, B-2 & The Hartford $2M GL | Biozura W. Hartford CT

Licensing and Insurance — Biozura Heating and Air

Connecticut HVAC licensing is among the most rigorous in the United States. The state requires separate licenses for unlimited HVAC contracting (S-1), limited HVAC contracting (S-2), unlimited and limited boiler operation (B-1 and B-2), and several other narrower trade categories. Working without the correct license — or hiring a contractor without it — carries consequences ranging from voided homeowner insurance claims to disqualification from Eversource rebate programs. This page documents every credential Biozura Heating and Air carries, identifies the regulator that issued each one, and explains why each one matters for the work we perform across Hartford County.

Connecticut Department of Consumer Protection (DCP) HVAC Licenses

The Connecticut Department of Consumer Protection’s Occupational and Professional Licensing Division administers HVAC contractor licensing under Connecticut General Statutes § 20-330 through § 20-341 and the implementing regulations at Connecticut Agencies Regulations §§ 20-331-1 through 20-331-10. The two primary residential categories:

S-1 Unlimited HVAC Contractor

The S-1 license authorizes unlimited heating, piping, cooling, and refrigeration work on any system regardless of capacity, fuel type, or building occupancy. S-1 holders may design, install, service, and replace residential furnaces, central air conditioning, heat pumps of any capacity, gas piping, refrigeration systems, and commercial HVAC including rooftop package units. Required to obtain: minimum of 8,000 hours of supervised on-the-job training plus 600 classroom hours through a Connecticut DCP-registered apprenticeship program, followed by a written and practical examination administered by the Connecticut DCP.

Biozura S-1 License: #S1-0414829 (Joshua Scruggs, principal). Issued by Connecticut DCP. Renewal cycle: annual, with continuing education requirements (12 hours minimum per license year, including 2 hours on code updates). All Biozura S-1 license holders complete continuing education on the 2022 Connecticut State Building Code, the 2024 International Mechanical Code adoption, the 2025 R-454B refrigerant transition, and Connecticut DEEP refrigerant recovery requirements.

S-2 Limited HVAC Contractor

The S-2 license authorizes limited HVAC work on systems with stated capacity restrictions and is the path most apprentices take after completing the 4-year program. The S-2 carries narrower work authorities than the S-1 (typically capping at smaller residential systems and excluding certain commercial work). Some Biozura technicians hold S-2 as their primary license while working toward the S-1 through additional supervised experience.

Connecticut B-2 Limited Boiler License

The B-2 license authorizes installation, maintenance, and repair of low-pressure steam and hot-water boilers (under 15 PSI steam, 160 PSI hot water) below specified BTU thresholds. This is the license that controls work on the cast iron steam boilers that heat roughly 38% of Hartford County’s owner-occupied pre-1960 housing. Required: separate written and practical examination from the Connecticut DCP, with prerequisite experience in hydronic systems including near-boiler piping, low-water cutoff testing, pressuretrol calibration, and ASME pressure vessel safety standards.

Biozura B-2 License: #B2-0287345. Held primarily by Daniel “Danny” O’Sullivan, our boiler and steam specialist (Connecticut S-1 #S1-0398542 issued 2003). Renewal cycle: annual, with continuing education including ASME Boiler and Pressure Vessel Code updates and current National Board Inspection Code (NBIC) standards.

EPA Section 608 Refrigerant Handling Certification

Federal Clean Air Act Section 608 (42 U.S.C. § 7671g) requires anyone servicing, maintaining, repairing, or disposing of equipment containing regulated refrigerants to hold EPA certification. Four certification levels:

  • Type I: Small appliances (less than 5 pounds refrigerant) — window units, small ducted systems.
  • Type II: High-pressure appliances — most residential central air conditioning and heat pumps using R-410A, R-454B, R-22 (legacy).
  • Type III: Low-pressure appliances — centrifugal chillers and similar commercial systems.
  • Universal: All three categories combined; required for any contractor doing comprehensive HVAC service across system types.

Biozura EPA Section 608 Universal Certification: #608U-2008-381467. The Universal certification is required for the 2025 R-454B refrigerant transition (Climate-Friendly Alternative Program under EPA’s Significant New Alternatives Policy), which phases out R-410A as the standard residential AC refrigerant. R-454B (Puron Advance) is the dominant replacement and requires specific handling differences from R-410A: different recovery pump specifications, different vacuum standards (still 500 microns minimum), different leak detection sensitivity, and different glide characteristics that affect line set sizing.

NATE Technician Certification

North American Technician Excellence (NATE) is the largest independent technician certification body in the HVAC trade. NATE certifications are voluntary — not required for licensure — but signal technician knowledge of specific equipment categories. NATE Service Certifications cover Air Conditioning Service, Gas Heating Service, Heat Pump Service, Air Distribution, Hydronics Gas, and others. Each certification requires passing both a core exam and a specialty exam, with recertification every two years.

Biozura technicians collectively hold NATE Service Certification in: Air Conditioning Service (Joshua Scruggs, Marcus Petrowski), Gas Heating Service (Joshua, Marcus), Heat Pump Service (Joshua, Marcus, Tomás Reyes), Air Distribution (Marcus), and Hydronics Gas (Marcus, Daniel O’Sullivan). The technician certifications appear on the Meet the Team page.

Manufacturer Certifications

Beyond state and federal licensing, several equipment manufacturers operate technician certification programs that gate access to extended warranties and dealer pricing. Biozura’s active manufacturer certifications:

  • Mitsubishi Electric Diamond Contractor: Tomás Reyes, active since 2018. Required for the 12-year extended parts warranty on Mitsubishi ductless and ducted systems.
  • Daikin Comfort Pro: Tomás Reyes, active since 2020. Required for the 12-year extended parts warranty on Daikin Fit and Aurora cold-climate heat pumps.
  • Carrier Factory Authorized Dealer: Active, with annual training requirements.
  • Bryant Factory Authorized Dealer: Active.

Connecticut Home Improvement Contractor (HIC) Registration

Independent of the HVAC license, Connecticut requires Home Improvement Contractor registration for any contractor performing residential home improvement work over $200 (Connecticut General Statutes § 20-418 through § 20-432, the Connecticut Home Improvement Act, or “CTHIA”). The HIC registration: documents the contractor’s identity, verifies general liability insurance, provides a fund (the Home Improvement Guaranty Fund) that can compensate consumers for losses from non-performing registered contractors.

Biozura HIC Registration: #HIC.0639172. Renewed annually with submission of current liability insurance certificate and proof of any outstanding judgments resolved. The HIC registration is the document a Connecticut homeowner can search at https://www.elicense.ct.gov to independently verify Biozura’s status before signing any agreement.

General Liability Insurance

Biozura carries general liability insurance through The Hartford (a fitting carrier given its 215-year Hartford headquarters at One Hartford Plaza, just six miles from the Biozura office). Policy details:

  • Carrier: The Hartford Financial Services Group (Connecticut General Statutes § 38a-101 authorized insurer)
  • Aggregate limit: $2,000,000
  • Per-occurrence limit: $1,000,000
  • Products-completed operations aggregate: $2,000,000
  • Coverage: Property damage, bodily injury, completed operations, products liability
  • Renewal cycle: Annual on calendar year

Certificate of Insurance is available to any Customer on request. Building department permit applications routinely require Certificate of Insurance submission as part of the contractor verification process.

Workers’ Compensation Insurance

Connecticut General Statutes § 31-275 requires employers to carry workers’ compensation insurance covering all employees. Biozura’s workers’ compensation is carried through Travelers Insurance (Connecticut General Statutes § 38a-794 authorized insurer). Coverage includes all licensed technicians, the apprentice, the service coordinator, and any sub-contractor day labor used for specific projects. The workers’ compensation policy protects both the employee in the event of work-related injury and the homeowner (who cannot be held liable for an injury to a contractor’s employee on the homeowner’s property when the contractor carries proper workers’ compensation).

Commercial Vehicle Insurance

Biozura operates a fleet of three service trucks and one heavier installation truck used for boiler delivery. Commercial vehicle insurance is carried through The Hartford with $1,000,000 per-occurrence liability, full collision and comprehensive coverage, and Connecticut-specific uninsured/underinsured motorist coverage. Cargo coverage protects refrigerant inventory and tools in transit.

Why This Matters for Hartford-Area Homeowners

Insurance disclosure on home sales

Connecticut residential property condition disclosure (Connecticut General Statutes § 20-327b) requires sellers to disclose known defects and unpermitted improvements. Unpermitted HVAC work — common when an unlicensed contractor is hired — must be disclosed and may trigger inspection and remediation requirements before sale. Buyers’ insurance carriers (Allstate, State Farm, Liberty Mutual, Travelers, The Hartford) sometimes deny coverage on homes with disclosed unpermitted mechanical work.

Homeowner insurance claim validity

Most Connecticut homeowner insurance policies (HO-3 standard form) include language excluding coverage for damage caused by work done by unlicensed contractors. If an unlicensed contractor improperly installs a furnace and a fire results, the homeowner’s policy may not cover the damage. Verifying contractor licensing is not just a quality signal — it’s an insurance protection step.

Eversource rebate eligibility

Eversource heat pump rebates ($2,000–$15,000) require the installer to be a “participating contractor” registered with the program (Biozura: #CT-EVS-22-04612). The contractor must also hold current Connecticut S-1 or S-2 HVAC licensing, current EPA Section 608 Universal certification, and current general liability insurance verified by Eversource at rebate filing. An unlicensed contractor’s installation cannot qualify for any Eversource rebate, regardless of equipment selection.

How to Verify Biozura’s Credentials

  • Connecticut DCP HVAC license: https://www.elicense.ct.gov — search “Biozura” or license number S1-0414829.
  • Connecticut HIC registration: Same site, search “Biozura” or HIC.0639172.
  • Connecticut Better Business Bureau: Listed under Heating & Air Conditioning in the Hartford region.
  • EPA Section 608 certification: Number on file with EPA Region 1; visible on certificate (available to Customer on request).
  • Eversource participating contractor: https://www.eversource.com (contractor lookup tool).
  • Certificate of Insurance: Available to any Customer or prospective Customer on request from info@biozuraheatingairconditioning.xyz.

Frequently Asked Questions

What does Connecticut S-1 HVAC license mean?
The S-1 is Connecticut’s unlimited HVAC contractor license, authorizing the holder to design, install, service, and replace any HVAC system regardless of capacity, fuel type, or building occupancy. Issued by the Connecticut Department of Consumer Protection after 8,000 supervised hours plus 600 classroom hours of apprenticeship plus written and practical examination. The S-1 is required for any HVAC contractor doing residential and commercial work without capacity restrictions. Biozura’s S-1: #S1-0414829, held by founder Joshua Scruggs.
Why do you carry separate B-2 boiler licensing?
Roughly 38% of Hartford County’s owner-occupied housing predates 1960 and most of those homes still operate on cast iron steam boilers. The B-2 license authorizes work on these low-pressure steam and hot-water boilers, which require specific training in near-boiler piping (Hartford loop configuration), low-water cutoff testing, pressuretrol calibration, and ASME Boiler and Pressure Vessel Code compliance. The S-1 covers furnaces and forced-air systems; the B-2 covers the boiler work that defines Hartford-area HVAC. Biozura’s B-2: #B2-0287345.
Is your liability insurance enough for a major installation?
Yes. Biozura carries $2,000,000 aggregate general liability through The Hartford, with $1,000,000 per-occurrence limit. For comparison, the typical residential HVAC installation involves materials and labor under $25,000, well within per-occurrence coverage. For larger commercial RTU installations or multi-family projects, we provide Certificate of Insurance to verify coverage limits before contract signing. Certificate of Insurance is available on request from info@biozuraheatingairconditioning.xyz.
How can I verify your licenses myself?
Connecticut’s official license verification portal is https://www.elicense.ct.gov. Search “Biozura” or specific license numbers (S1-0414829 for HVAC unlimited, B2-0287345 for limited boiler, HIC.0639172 for Home Improvement Contractor). The portal shows current status, issue date, expiration, and any disciplinary actions. Connecticut’s Better Business Bureau lists Biozura under Heating & Air Conditioning in the Hartford region. The Eversource contractor lookup tool at https://www.eversource.com verifies participating contractor status.
What happens if a contractor isn’t properly licensed?
Several practical consequences. Permits cannot be pulled by an unlicensed contractor, so the work is unpermitted by definition. Unpermitted HVAC is a disclosure issue on Connecticut residential property sales (CGS § 20-327b) and may trigger inspection and remediation costs at sale. Most homeowner insurance policies exclude coverage for damage caused by unlicensed contractor work, so a fire or water-damage claim could be denied. Eversource rebates require contractor licensing verification — an unlicensed installation cannot qualify for any rebate ($2,000–$15,000 in lost incentives). And the Connecticut Department of Consumer Protection can investigate unlicensed work, with penalties on the contractor and potential restitution rights for the consumer.

Contact Biozura Heating and Air

Our 10 N Main Street office in West Hartford Center handles licensing inquiries, Certificate of Insurance requests, and Eversource participating contractor confirmations. For any verification need on a Biozura quote or project, call the line below or email the office.

  • Emergency Line (24/7): (860) 955-4428
  • Address: 10 N Main St #377, West Hartford, CT 06107
  • Email: info@biozuraheatingairconditioning.xyz
  • Connecticut DCP Unlimited HVAC License: #S1-0414829
  • Connecticut B-2 Limited Boiler License: #B2-0287345
  • Connecticut Home Improvement Contractor: #HIC.0639172
  • EPA Section 608 Universal: #608U-2008-381467
  • Eversource Participating Contractor: #CT-EVS-22-04612
  • General Liability: The Hartford, $2M aggregate
  • Workers’ Compensation: Travelers Insurance

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Office Hours

  • Emergency Service: 24 hours a day, 7 days a week
  • Office Staff: Monday – Saturday, 9:00 AM – 5:00 PM
  • Closed: Sundays and State/Federal Holidays (emergency line always active)