New Braunfels building permit framework — 2021 ICC
New Braunfels Building Safety Division administers permits under the 2021 ICC (effective October 23, 2023) and 2020 NEC. All permits through online portal at newbraunfels.gov/permitportal. Inspections: online portal only (no email). NBU provides electric; CenterPoint Energy provides gas in many (NOT all) areas — verify gas availability. Texas TDLR for all trade contractors. Phone: 830-221-4000.
Zone 2A hot-humid Hill Country: hot summers (90°F+ May–September), ~34 inches annual rainfall, no frost depth, slab-on-grade dominant construction, limestone geology in many areas. Cooling efficiency and moisture management dominate construction requirements.
New Braunfels is one of the fastest-growing cities in the US — explosive growth driven by Hill Country lifestyle, Comal/Guadalupe River access, proximity to San Antonio and Austin, German heritage, and strong quality of life. The large short-term rental market serving river tourism and attractions generates significant renovation activity. CenterPoint Energy provides gas to many but not all areas — propane and all-electric systems serve the rest. 2021 ICC + 2020 NEC effective October 23, 2023 govern all construction.
Gas availability note: CenterPoint Energy provides natural gas to many but NOT all parts of New Braunfels. Verify gas service availability at your address with CenterPoint at 830-643-6937 before planning any gas-dependent project. Properties without gas service use propane (LP) or all-electric systems.
HVAC permit rules — Zone 2A cooling dominance and gas availability
HVAC permits in New Braunfels require a mechanical permit under the 2021 IMC (International Mechanical Code), effective October 23, 2023. Gas furnace replacements require an additional gas permit under the 2021 IFGC. Texas TDLR licenses HVAC contractors under the Air Conditioning and Refrigeration Contractors (ACRC) licensing program — verify at tdlr.texas.gov before hiring any HVAC contractor.
Unlike California (which requires a HERS rater for HVAC duct work — adding $200–$450 to HVAC projects), Texas has no third-party energy verification requirement. City inspectors verify 2021 IMC and 2021 IECC compliance at the mechanical inspection. This simpler process makes HVAC permitting in New Braunfels more straightforward than in California markets.
New Braunfels's Zone 2A position makes it a strongly cooling-dominated market — approximately 2,500–3,000 cooling degree days versus approximately 1,500–1,800 heating degree days. Like College Station TX and Sugar Land TX in this guide, cooling efficiency (SEER2) is the primary financial consideration for HVAC equipment selection. A high-SEER2 variable-speed central AC system provides the strongest return on investment in New Braunfels's long, hot summer season. The Hill Country's higher elevation (approximately 700 feet above sea level) and lower humidity than coastal Texas can slightly moderate cooling loads compared to Houston-area Zone 2A markets — but summer heat remains the dominant energy driver.
Gas furnace availability in New Braunfels depends on whether CenterPoint Energy natural gas service reaches your property. Not all New Braunfels addresses have gas service — verify at 830-643-6937 before planning a gas furnace replacement. Properties without gas service use electric heat (heat pump or electric resistance) for heating. Heat pump systems — which provide both efficient cooling and moderate heating — are particularly well-suited to Zone 2A's climate, where heating loads are modest enough that heat pump efficiency (vs. gas furnace efficiency) is competitive for the New Braunfels market.
All HVAC permit applications are submitted through the online permit portal at newbraunfels.gov/permitportal. Inspections are also scheduled through the portal — no email inspection requests since August 2024. NBU (New Braunfels Utilities) provides electric service to most of the city; contact nbutexas.com for service questions. For properties served by GVEC (south of County Line Road) or Pedernales Electric Cooperative (west of city), contact those utilities for service questions.
| Variable | How it affects your New Braunfels HVAC permit |
|---|---|
| Gas availability not universal | CenterPoint Energy provides gas to many but NOT all New Braunfels addresses. Verify at 830-643-6937 before planning gas furnace. Heat pump or propane are alternatives for properties without gas service. |
| Zone 2A — cooling dominates, SEER2 key | ~2,500–3,000 CDD vs ~1,500–1,800 HDD. High-SEER2 variable-speed AC provides best ROI. Heat pumps are excellent Zone 2A fit for all-electric homes. No HERS rater required (unlike California). |
| No HERS rater required | Texas has no third-party energy rater mandate for HVAC. City inspectors verify 2021 IMC/IECC compliance at inspection. Simpler and less expensive than California HVAC permits. |
| TDLR ACRC licensing | Air Conditioning and Refrigeration Contractor (ACRC) license through Texas TDLR. Verify at tdlr.texas.gov. Required for all HVAC work over permit threshold. |
| Online portal — no email | All permits through newbraunfels.gov/permitportal. Inspections through portal only since August 2024. |
| NBU + GVEC + Pedernales electric | NBU serves most of city. GVEC serves south of County Line Road. Pedernales Electric serves west/FM 306 area. Contact your specific utility for service questions related to HVAC electrical work. |
What HVAC costs in New Braunfels
HVAC costs in New Braunfels/Comal County: Standard 14 SEER2 AC: $4,500–$7,000. High-efficiency 18+ SEER2 variable-speed: $7,000–$11,500. Gas furnace: $3,500–$6,000. Heat pump (all-electric): $6,000–$11,000. Full system: $8,000–$16,000. Permit fees: $85–$175. Contact 830-221-4000 for current fee schedule.
What happens if you skip the HVAC permit in New Braunfels
Unpermitted gas HVAC skips the gas pressure test. Texas seller disclosure laws apply to known defects. Building Safety enforces permit requirements. Retroactive permits more complex than original permits.
Does New Braunfels have universal natural gas service for HVAC?
No — CenterPoint Energy provides gas to many but not all New Braunfels areas. Before planning a gas furnace, verify gas availability at your address with CenterPoint Energy at 830-643-6937. Properties without gas use propane, electric resistance, or heat pump heating.
Does New Braunfels require a HERS rater for HVAC permits?
No — unlike California, Texas has no third-party HERS energy rater requirement for HVAC work. City inspectors verify 2021 IMC and 2021 IECC compliance at the mechanical inspection. Simpler than California HVAC permits.
Why are heat pumps a good fit for New Braunfels?
Zone 2A's climate — significant cooling loads (~2,500–3,000 CDD) but modest heating loads (~1,500–1,800 HDD) — makes heat pumps an excellent fit. They provide efficient cooling AND moderate heating in one system. For properties without gas service, heat pumps are the most efficient all-electric HVAC option.
What TDLR license is required for HVAC work in New Braunfels?
Air Conditioning and Refrigeration Contractor (ACRC) license from Texas TDLR. Verify at tdlr.texas.gov before signing any HVAC contract.
Who provides electric service in New Braunfels for HVAC?
New Braunfels Utilities (NBU) serves the majority of the city. GVEC serves areas south of County Line Road. Pedernales Electric Cooperative serves areas west of the city on FM 306. Contact your specific utility provider for service questions.
How long does an HVAC permit take in New Braunfels?
Residential mechanical permits: approximately 10 business days for first response. Contact Building Safety at 830-221-4000 for current timelines. Schedule inspections through the online portal at newbraunfels.gov/permitportal.
New Braunfels Building Safety Division — contact and process
Building Safety: 550 Landa St., 830-221-4000. Online portal at newbraunfels.gov/permitportal. Inspections: portal only. Residential review: ~10 business days. TDLR licenses at tdlr.texas.gov. NBU electric: nbutexas.com. CenterPoint Energy gas: 830-643-6937 (verify availability). Call 811 before digging. Owner-builder allowed on homestead not intended for sale within 12 months.
Permit portal: newbraunfels.gov/permitportal | Plan review: ProjectDox
Inspections: online portal only (no email) | New Braunfels Utilities (NBU): nbutexas.com
CenterPoint Energy gas (most areas — verify availability): 830-643-6937
Texas TDLR: tdlr.texas.gov | 811 before digging
New Braunfels in the context of Texas and this guide
New Braunfels occupies a distinctive position among the Texas cities in this guide series. College Station TX adopted the 2024 ICC effective January 1, 2026 — one code cycle ahead of New Braunfels's 2021 ICC (effective October 23, 2023). Sugar Land TX also adopted the 2024 ICC effective January 21, 2026. New Braunfels's 2021 ICC adoption represents solid current-code compliance for a rapidly growing Texas city — well above the 2018 ICC still used by some Texas jurisdictions. The 2020 NEC adopted alongside the 2021 ICC is two editions behind the 2023 NEC used by Sugar Land and College Station, but more current than the 2017 NEC found in many Texas communities.
The most distinctive features of the New Braunfels permit environment relative to other Texas cities in this guide are: the explicit cosmetic work exemption list (which the city publishes on its website); the gas service availability variable (CenterPoint Energy does not serve all of New Braunfels — propane and all-electric systems are common in outer areas); and the NBU municipal utility structure (city-owned electric utility providing solar net metering integration). The online permit portal at newbraunfels.gov/permitportal and the ProjectDox plan review software reflect the city's investment in efficient digital permitting — appropriate for one of the nation's fastest-growing cities. The online-only inspection request requirement (since August 2024) eliminates the email-based backlog that previously created inspection scheduling delays. All of these features combine to make New Braunfels's Building Safety Division a responsive and well-organized permitting authority for the city's extraordinarily active construction market. Contact Building Safety at 830-221-4000 for specific guidance on any permit requirement, required documentation, or current review timelines before submitting any application through the online portal.
The Building Safety Division at New Braunfels City Hall (550 Landa St., 830-221-4000) is staffed with experienced plans examiners and building inspectors with years of trade experience and code training. The division's strong service orientation — reflected in its comprehensive FAQ page, explicit cosmetic exemption lists, and owner-builder guidance — reflects the city's commitment to making the permitting process accessible to New Braunfels homeowners and contractors alike. Residential permit applications submitted through the online portal at newbraunfels.gov/permitportal typically receive a first response within approximately 10 business days. The ProjectDox plan review system allows online upload and coordination of plans and documents throughout the review process. Inspection requests are scheduled through the same online portal — no emailed inspection requests have been accepted since August 19, 2024. Texas TDLR contractor licensing is verified at tdlr.texas.gov. New Braunfels Utilities (NBU) provides electric, water, and sewer service to the majority of the city at nbutexas.com. CenterPoint Energy provides natural gas at 830-643-6937, but gas service is not available at all New Braunfels addresses — confirm gas availability before designing any gas-dependent construction scope. Call 811 at least 48 hours before any ground-penetrating work throughout New Braunfels for utility safety clearance.
New Braunfels's extraordinary growth pace — consistently ranked as one of the fastest-growing cities in the United States — has created a housing market that rewards permitted, code-compliant improvements. Home values in Comal County have appreciated significantly over the past decade, driven by the city's quality of life, river access, and location between major metro areas. Permitted renovations that create documented code compliance add verifiable value to homes in this competitive market. The Texas seller disclosure process, combined with publicly searchable permit records through the city's online portal, means that permitted work status is transparent during any property transaction. Texas TDLR licensing ensures that trade contractors working in New Braunfels are qualified professionals — verify license status at tdlr.texas.gov before signing any construction contract for plumbing, HVAC, or electrical work in this active market.