TITLE 14             HOUSING AND CONSTRUCTION

CHAPTER 7       BUILDING CODES GENERAL

PART 6                2021 NEW MEXICO RESIDENTIAL ENERGY CONSERVATION CODE

 

14.7.6.1                 ISSUING AGENCY:  Construction Industries Division (CID) of the Regulation and Licensing Department.

[14.7.6.1 NMAC - Rp, 14.7.6.1 NMAC, 01/30/2024]

 

14.7.6.2                 SCOPE:  This rule applies to all residential contracting work performed in New Mexico on or after January 30, 2024, that is subject to the jurisdiction of CID, unless performed pursuant to a permit for which an application was received by CID before that date.

[14.7.6.2 NMAC - Rp, 14.7.6.2 NMAC, 01/30/2024]

 

14.7.6.3                 STATUTORY AUTHORITY:  Sections 60-13-9 and 60-13-44 NMSA 1978.

[14.7.6.3 NMAC - Rp, 14.7.6.3 NMAC, 01/30/2024]

 

14.7.6.4                 DURATION:  Permanent.

[14.7.6.4 NMAC - Rp, 14.7.6.4 NMAC, 01/30/2024]

 

14.7.6.5                 EFFECTIVE DATE:  January 30, 2024 unless a later date is cited at the end of a section. From the date of publication of this rule in the New Mexico register, until month July 30, 2024, permits may be issued under either the previously-adopted rule, or this rule.  After month July 30, 2024, permits may be issued only under this rule.

[14.7.6.5 NMAC - Rp, 14.7.6.5 NMAC, 01/30/2024]

 

14.7.6.6                 OBJECTIVE:  The purpose of this rule is to establish minimum standards for energy conservation for residential construction in New Mexico.

[14.7.6.6 NMAC - Rp, 14.7.6.6 NMAC, 01/30/2024]

 

14.7.6.7                 DEFINITIONS:  See 14.5.1 NMAC, General Provisions and Chapter 2 [RE] of the IECC as amended in 14.7.6.10 NMAC.

[14.7.6.7 NMAC - Rp, 14.7.6.7 NMAC, 01/30/2024]

 

14.7.6.8                 ADOPTION OF THE 2021 NEW MEXICO RESIDENTIAL ENERGY CONSERVATION CODE:

                A.            This rule adopts by reference the 2021 international energy conservation code (IECC), as amended by this rule.

                B.            In this rule, each provision is numbered to correspond with the numbering of the 2021 international residential energy conservation code.

                C.            This rule is to be applied to each of the following New Mexico building codes, including the NMRBC, NMEBC, NMPC, NMMC and the NMEC.

[14.7.6.8 NMAC - Rp, 14.7.6.8 NMAC, 01/30/2024]

 

14.7.6.9                 CHAPTER 1 [RE] SCOPE AND ADMINISTRATION:  See this chapter of the IECC except as provided below.

                A.            Section R101 Scope and general requirements.

                                (1)           Section R101.1 Title.  Delete this section of the IECC and substitute with the following:   This rule shall be known as 14.7.6 NMAC, the 2021 New Mexico Residential Energy Conservation Code (NMRECC).

                                (2)           Section R101.2 Scope.  Delete this section of the IECC and see 14.7.6.2 NMAC, Scope.

                                (3)           Section R101.3 Intent.  Delete this section of the IECC and see 14.7.6.6 NMAC, Objective.

                                (4)           Section R101.5.1 Compliance materials.  Delete this section of the IECC and substitute with the following:  The code official shall be permitted to approve specific computer software, worksheets, compliance manuals and other similar materials that meet the intent of this code, including but not limited to ResCheck, and worksheet or trade-off sheets from the New Mexico energy conservation code residential applications manual, issued by the New Mexico department of energy, minerals, and natural resources.

                B.            Section R103 Construction Documents.  See this section of the IECC except as provided below.

                                (1)           Section R103.1 General.  Delete this section of the IECC and see 14.5.2 NMAC, Permits.

                                (2)           Section R103.2 Information on construction documents.  See this section of the IECC

and 14.5.2 NMAC, Permits.

                                (3)           Section R103.3 Examination of documents.  Delete this section of the IECC and see 14.5.2 NMAC, Permits.

                                (4)           Section R103.4 Amended construction documents.  Delete this section of the IECC and see 14.5.2 NMAC, Permits.

                                (5)           Section R103.5 Retention of construction documents.  Delete this section of the IECC and see 1.21.2 NMAC, Retention and Disposition of Public Records.

                C.            Section R104 Fees.  Delete this section of the IECC and see 14.5.5 NMAC, Fees.

                D.            Section R105 Inspections.  Delete this section of the IECC and see 14.5.3 NMAC, Inspections.

                E.            Section R106 Notice of approval.  Delete this section of the IECC and see 14.5.3 NMAC, Inspections.

                F.            Section R107 Validity.  Delete this section of the IECC and see 14.5.2 NMAC, Permits. 

                G.            Section R108 Referenced standards.  Delete this section of the IECC and substitute with the following:  All references to the international residential code shall be deemed references to 14.7.3 NMAC, the New Mexico residential building code (NMRBC).  All references to the international plumbing code shall be deemed references to 14.8.2 NMAC, the New Mexico plumbing code (NMPC).  All references to the international mechanical code shall be deemed references to 14.9.2 NMAC, the New Mexico mechanical code (NMMC).  All references to the IEC or international electrical code shall be deemed references to 14.10.4 NMAC, the New Mexico electrical code (NMEC). All references to the international energy conservation code shall be deemed references to 14.7.6 NMAC, the New Mexico residential energy conservation code (NMRECC).  All references to the international fuel gas code are deemed references to the NMMC or the 19.15.40 NMAC LP gas standards, and sections 70-5-1 through 70-5-23 NMSA 1978.

                H.            Section R109 Stop work order.  Delete this section of the IECC and see 14.5.3 NMAC, Inspections.

                I.             Section R110 Means of appeals.  Delete this section of the IECC and see 14.5.1 NMAC, General Provisions.

[14.7.6.9 NMAC - Rp, 14.7.6.9 NMAC, 01/30/2024]

 

14.7.6.10               CHAPTER 2 [RE] DEFINITIONS:  See this chapter of the IECC except as provided below.

                A.            Section R201.1 Scope.  See this section of the IECC and add the following:  If the same term is defined in the New Mexico construction codes and in the IECC, the term shall have the meaning given it in the New Mexico construction codes.

                B.            Section R201.3 Terms defined in other codes.  Delete this section of the IECC and substitute with the following:  Terms that are not defined in this code but are defined in the NMRBC, NMMC, NMPC, NMEC, or any other New Mexico building code shall have the meanings ascribed to them in those codes.

                C.            Section R202 General definitions.  See this section of the IECC except as provided below.

                                (1)           NMRECC means 2021 New Mexico Residential Energy Conservation Code.

                                (2)           NMRBC means 14.7.3 NMAC, current adopted New Mexico Residential Building Code.

                                (3)           NMPC means current adopted 14.8.2 NMAC, New Mexico Plumbing Code.

                                (4)           NMMC means 14.9.2 NMAC, NMMC current adopted New Mexico Mechanical Code.

                                (5)           NMEC means 14.10.4 NMAC, NMEC current adopted New Mexico Electrical code.

                                (6)           RESCHECK.  A document describing the overall efficiency of the insulation of a building which works by performing a simple U-factor x Area (UA) calculation for each building assembly to determine the overall UA of a building.  The UA of the proposed project building is compared to the code requirements.

                                (7)           RESNET Software.  Is an approved software program to meet the performance requirements of the IECC.

                                (8)           ASTM.  Means the American society for testing and materials, an international standards organization that develops and publishes voluntary consensus building technical standards for a wide range of materials utilized in construction.

                                (9)           HERS.  Means the home energy rating system index and is the industry standard by which home energy efficiency is measured.  It is also the nationally recognized system for inspecting and calculating home energy performance.

                                (10)         Electric vehicle (EV).  Add the following definition to the IECC:  An automotive-type vehicle for on-road use, such as passenger automobiles, buses, trucks, vans, neighborhood electric vehicles, and electric motorcycles, primarily powered by an electric motor that draws current from a building electrical service, EVSE, a rechargeable storage battery, a fuel cell, a photovoltaic array, or another source of electric current.   Plug-in hybrid electric vehicles are electric vehicles that have a second source of motive power.  Off-road, self-propelled electric mobile equipment such as industrial trucks, hoists, lifts, transports, golf carts, airline ground support equipment, tractors, boats, and the like are not considered electric vehicles.

                                (11)         Electric vehicle supply equipment (EVSE).  Add the following definition to the IECC:  Equipment for plug-in power transfer including the ungrounded, grounded and equipment grounding conductors, and the electric vehicle connectors, attachment plugs, personal protection system and all other fittings, devices, power outlets or apparatus installed specifically for the purpose of transferring energy between the premises wiring and the electric vehicle.

                                (12)         Unconditioned space.  Add the following definition to the IECC:  Space within a building that is not mechanically heated or cooled and is outside the building thermal envelope.

                                (13)         Vapor retarder class.  Add the following definition to the IECC:  A measure of a material or assembly’s ability to limit the amount of moisture that passes through that material or assembly.  Vapor retarder class shall be defined using the desiccant method of ASTM E96 as follows:

                                                (a)           class I:                   0.1 perm or less;

                                                (b)           class II:                 > 0.1  perm           ≤1.0 perm;

                                                (c)           class III:                > 1.0  perm           ≤10 perm.

[14.7.6.10 NMAC - Rp, 14.7.6.10 NMAC, 01/30/2024]

 

14.7.6.11               CHAPTER 3 [RE] GENERAL REQUIREMENTS:  See this chapter of the IECC except as provided below. 

                A.            Section R301 Climate zones.  See this Chapter of the IECC except as provided below.

                B.            Section R301.1 General.  Delete this section of the IECC and substitute with the following:  The table below in conjunction with Table 301.3(2) shall be used to determine the applicable requirements for chapter 4.  Locations not listed in the table below shall use either Table 301.1, Section 301.3, or the building official may designate a climate zone consistent with the elevation, HDD & CDD from the table below.

                C.            Table 301.2 New Mexico Climate Zones Based on Heating and Cooling Degree Days.  Add the following table to the IECC.

Table 301.2

New Mexico Climate Zones Based on Heating and Cooling Degree Days

City

County

Elev. (feet)

Heating Degree Days

(HDD) 65°F Day

Cooling Degree Days (CDD)

50°F Day

Climate Zone

Abiquiu Dam

Rio Arriba

6380

5872

 

5B

Angel Fire

Colfax

8406

9769

195

7B

Alamogordo

Otero

4350

3053

5309

3B

Albuquerque

Bernalillo

5312

4332

4462

4B

Artesia

Eddy

3380

3366

5374

3B

Aztec Ruins

San Juan

5644

5757

 

5B

Belen

Valencia

4800

4432

5012

3B

Bernalillo

Sandoval

5052

4782

4138

4B

Bloomfield

San Juan

5456

5490

 

5B

Bosque del Apache

Socorro

4520

3916

5012

3B

Carlsbad

Eddy

3295

2813

5997

3B

Carrizozo

Lincoln

5438

4234

3631

4B

Cedar Crest

Bernalillo

6581

5703

 

5B

Chaco Canyon

San Juan

6200

6137

 

5B

Chama

Rio Arriba

7871

8254

 

6B

Clayton

Union

5056

5150

3170

4B

Cloudcroft

Otero

8801

7205

 

6B

Clovis

Curry

4268

4033

4252

4B

Corona

Valencia

6690

5389

3631

4B

Cuba

Sandoval

7035

7122

 

5B

Deming

Luna

4305

3347

5292

3B

Dulce

Rio Arriba

6793

7979

 

6B

Eagle Nest

Colfax

8262

9254

 

7B

Edgewood

Santa Fe

6649

6146

 

5B

Espanola

Rio Arriba

5643

5641

 

5B

Farmington

San Juan

5395

5747

 

5B

Fence Lake

Cibola

7055

6396

 

5B

Fort Sumner

De Baca

4032

3799

4616

3B

Gallup

McKinley

6465

6207

 

5B

Glenwood

Catron

4725

3632

4427

4B

Grants

Cibola

6460

6143

 

5B

Hatch

Dona Ana

4052

3270

5904

3B

Hobbs

Lea

3622

2954

5181

3B

Jemez Springs

Sandoval

6198

5260

2059

4B

Las Cruces

Dona Ana

4000

3223

5904

3B

Las Vegas

San Miguel

6424

5738

 

5B

Lordsburg

Hidalgo

4250

3213

5210

3B

Los Alamos

Los Alamos

7320

6381

 

5B

Los Lunas

Valencia

4856

4725

4462

4B

Magdalena

Socorro

6572

5074

2093

4B

Mescalero

Otero

6611

5540

 

5B

Moriarty

Torrance

6220

4735

3786

4B

Mosquero

Harding

5485

5209

3631

4B

Mountainair

Torrance

6520

5558

 

5B

Organ

Dona Ana

5245

3215

4919

3B

Placitas

Sandoval

5955

4917

3701

4B

Portales

Roosevelt

4006

3845

4347

4B

Raton

Colfax

6680

6001

 

5B

Red River

Taos

8671

8742

179

7B

Reserve

Catron

5847

5483

 

5B

Rio Rancho

Sandoval

5282

4880

3949

4B

Roswell

Chaves

3573

3565

5505

3B

Ruidoso

Lincoln

6920

6309

 

5B

Sandia Crest

Bernalillo

10680

10034

 

7B

Sandia Park

Bernalillo

7077

7510

 

6B

Santa Fe

Santa Fe

7260

6001

 

5B

Santa Rosa

Guadalupe

4620

3749

4714

3B

Shiprock

San Juan

4892

5475

 

5B

Silver City

Grant

5895

4438

3975

4B

Socorro

Socorro

4603

3984

5147

3B

Springer

Colfax

5797

5653

 

5B

Taos

Taos

6967

6827

 

5B

Taos Ski Valley

Taos

9321

9769

 

7B

Tatum

Lea

3999

3680

4721

3B

Thoreau

McKinley

7200

5789

 

5B

Tierra Amarilla

Rio Arriba

7425

7901

 

6B

Tijeras

Bernalillo

6322

6338

 

5B

Tohatchi

McKinley

6447

5418

 

5B

Truth or Consequences

Sierra

4245

3394

5103

3B

Tucumcari

Quay

4096

3767

4429

4B

Tularosa

Otero

4508

3056

5130

3B

Zuni

McKinley

6293

5742

 

5B

[14.7.6.11 NMAC - Rp, 14.7.6.11 NMAC, 01/30/2024]

 

14.7.6.12               CHAPTER 4 [RE] RESIDENTIAL ENERGY EFFICIENCY:  See this Chapter of the IECC except as provided below.

                A.            Section R401 General.  See this section of the IECC except as provided below.

                                (1)           Section R401.2 Application.  Delete this section of the IECC and substitute with the following:  Residential buildings shall comply with one of the following sections:  R401.2.1, R401.2.2, R401.2.3, or 401.2.4.  Exception:  Additions, alterations, repairs, and changes of occupancy to existing buildings complying with Chapter 5.

                                (2)           Section R401.2.4 Tropical climate region option.  Delete this section of the IECC and substitute with the following:  Code programs recognized by the state of New Mexico.  Programs such as build green New Mexico, LEED-H, or other programs approved under IECC section 102.1.1.

                                (3)           Section R401.2.5 Additional energy efficiency.  Delete this section of the IECC.

                                (4)           Section R401.3 Certificate.  Delete this section of the IECC.

                B.            Section R402 Building thermal envelope.  See this section of the IECC except as provided below.

                                (1)           Table 402.1.2 Maximum assembly U-factors and fenestration requirements.  See this table in the IECC except as provided below.

                                                (a)           See this table in the IECC except in the ceiling U-Factor column change 0.026 to 0.028 in climate zone 3.

                                                (b)           See this table in the IECC except in the ceiling U-Factor column change 0.024

to 0.026 in climate zones 4 except marine, 5 and marine 4, 6, 7 and 8.

                                (2)           Table 402.1.3 Insulation minimum R-values and fenestration requirements by component.  See this table in the IECC except as provided below.

                                                (a)           See this table in the IECC except in the ceiling R-value column change 49 to 38 in climate zone 3.

                                                (b)           See this table in the IECC except in the ceiling R-value column change 60 to 49 in climate zones 4 except marine, 5 and marine 4, 6, 7 and 8.

                                                (c)           See this table in the IECC except in the slab R-value and depth column change 10ci, 4ft to 10ci, 2ft in climate zones 4 except marine, 5 and marine 4.

                                (3)           Section 402.4 Air leakage.  See this section of the IECC except as provided below.

                                                (a)           Section 402.4.1.2 Testing.  See this section of the IECC except delete the last paragraph of the section and substitute with the following:  Mechanical ventilation shall be provided in accordance with chapter 4 of the uniform mechanical code, as applicable, or with other approved means of ventilation.

                                                (b)           Section R402.4.1.4 Visual inspection option.  Add the following section to

the IECC:  Building envelope tightness, and insulation installation shall be considered acceptable with the items listed in table 402.1.2 or table 402.1.3 applicable to the method of construction. It shall be field verified by the code official as part of the inspection process, and the builder or an energy rater may also field verify using the state of New Mexico acceptable processes.  Acceptable processes include but are not limited to the following:  construction industries division thermal bypass visual inspection checklist, a thermal bypass certification or checklist from a HERS rater, a build green NM checklist, or an energy star program checklist from the New Mexico energy, minerals, and natural resources department.

                                                (c)           R402.4.1.5 Based on census. Add the following section to the IECC:  Based on census rural urban mapping the following areas will be required to comply with R402.4.1 building thermal envelope, R402.4.1.2 testing, and R403.3.5 Duct testing: San Juan County, Sandoval County, Santa Fe County, Bernalillo County, Torrance County, and Dona Ana County.

                                                (d)           R402.4.1.5 State of New Mexico Thermal Bypass Inspection Checklist and Duct Sealing Visual Inspection Checklist.  Add the following section to the IECC:  In accordance with sections R402.4.1, R402.4.1.2 and R403.3.5 the thermal bypass inspection checklist and duct sealing visual inspection checklist will be provided at the time of issuance of building permit or can also be accessed at www.rld.nm.gov/construction-industries/ under forms and applications.

                C.            Section R403 Systems.  See this section of the IECC except as provided below. 

                                (1)           Section R403.1.1 Programmable thermostat.  See this section of the IECC except add the following exceptions to the end of the section:

                                                (a)           When a water circulation system is utilized to heat and/or cool the residence, no programmable set-back thermostat is required.

                                                (b)           Where the home is registered in a performance-based certification program, the requirements for a programmable thermostat shall be waived.

                                                (c)           Where approved alternative methods of construction and/or materials are being used, programmable thermostats may be omitted.

                                (2)           Section R403.3.5 Duct testing.  See this section of the IECC and add the following to the methods:  3.  Duct sealing shall be considered in compliance with R403.3.5 when field inspected by the code official and verified by the builder or an energy rater using the state of New Mexico duct sealing visual inspection checklist which can be accessed at www.rld.nm.gov/construction-industries.

                                (3)           Section R403.4 Mechanical system piping insulation. See this section of the IECC and add the following exception: In-floor radiant heating or cooling systems do not require insulation.

                D.            Section R404 Electrical power and lighting systems.  See this section of the IECC except as provided below.

                                (1)           Section R404.4 Electric vehicle power transfer infrastructure. Add this section to

the IECC.  New residential automobile parking spaces for residential buildings shall be provided with electric vehicle power transfer infrastructure in accordance with Section R404.4.1 and Section R404.4.2.

                                (2)           Section R404.4.1 Quantity for single- and two-family dwellings.  Add this section to the IECC.  New one- and two-family dwellings and townhouses as defined in 14.7.3 NMAC with a designated attached or detached garage or other onsite private parking provided adjacent to the dwelling unit shall be provided with the following:

                                                (a)           One electrical receptable box

                                                (b)           8 ga. wiring from receptable box to a 50-amp circuit breaker in the electrical panel

                                                (c)           The circuit breaker in the electrical panel and the receptable box shall be marked “For future electrical vehicle charging equipment”.

                                (3)           Section R404.4.2 Quantity for residential buildings with R-2, R-3, R-4 Occupancy classifications.  Add this section to the IECC.  New R-2, R-3, and R-4 buildings that are three stories or less above grade plane shall comply with Section C405.13 of the NMCECC.

                E.            Section R408 Additional efficiency package options.  See this section of the IECC except as provided below.

                                (1)           Section R408.1 Scope.  Delete this section of the IECC and substitute with the following: This section establishes additional efficiency package options.

                                (2)           Section R408.2 Additional efficiency package options.  Delete this section of the IECC and substitute with the following:  Additional efficiency package options are set forth in Sections R408.2.1 through R408.2.10.

                                                (a)           Section R408.2.1 Enhanced envelope performance option.  See this section of the IECC.               

                                                (b)           Section R408.2.2 More efficient HVAC equipment performance option.  See this section of the IECC.

                                                (c)           Section R408.2.3 Reduced energy use in service water-heating option.  See this section of the IECC.

                                                (d)           Section R408.2.4 More efficient duct thermal distribution system option.  See this section of the IECC.

                                                (e)           Section R408.2.5 Improved air sealing and efficient ventilation system option.  See this section of the IECC.

                                                (f)            Section R408.2.6 Electric readiness.  Add this section to the IECC.

Water heaters, household clothes dryers, and cooking appliances that use fuel gas or liquid fuel shall comply with the requirements of Sections R408.2.7 through R408.2.10.

                                                (g)           Section R408.2.7 Cooking appliances.  Add this section to the IECC.  A dedicated branch circuit with a rating not less than 240-volts, 40-amperes shall be installed and terminate within three feet (304 mm) of conventional cooking tops, conventional ovens or cooking appliances combining both.  Exception: Cooking appliances not installed in an individual dwelling unit.

                                                (h)           Section R408.2.8 Household clothes dryers.  Add this section to the IECC.  A dedicated branch circuit with a rating not less than 240-volts, 30-amperes shall be installed and terminate within three feet (304 mm) of each household clothes dryer.  Exception: Clothes dryers not installed in an individual dwelling unit.

                                                (i)            Section R408.2.9 Domestic hot water heaters.  Add this section to the IECC. A dedicated branch circuit with a rating not less than either 240-volts, 30-amperes or 120V, 20-amperes shall be installed and terminate within three feet (304 mm) of each domestic hot water heater.  Exception: Water heaters serving multiple dwelling units serving an R-2 occupancy.

                                                (j)            Section R408.2.10 Electrification-ready circuits.  Add this section to the IECC.  The unused conductors required by sections R408.2.6 through R408.2.9 shall be labeled with the word appropriate to the appliance terminus. Capacity for the circuits required by Sections R408.2.6 through R408.2.9 shall be included in the load calculations of the original installation.

[14.7.6.12 NMAC - Rp, 14.7.6.12 NMAC, 01/30/2024]

 

14.7.6.13               CHAPTER 5 [RE] EXISTING BUILDINGS:  See this Chapter of the IECC.

[14.7.6.13 NMAC - Rp 14.7.6.13 NMAC, 01/30/2024]

 

14.7.6.14               CHAPTER 6 [RE] REFERENCED STANDARDS:  See this Chapter of the IECC.

[14.7.6.14 NMAC - Rp 14.7.6.14 NMAC, 01/30/2024]

 

HISTORY OF 14.7.6 NMAC:

Pre NMAC History:  None.

 

History of Repealed Material:

14.7.6 NMAC, 2003 New Mexico Energy Conservation Code (filed 5/27/2004) repealed 1/7/2004.

14.7.6 NMAC, 2006 New Mexico Energy Conservation Code (filed 8/16/2007) repealed 1/28/2011.

14.7.6 NMAC, 2009 New Mexico Energy Conservation Code (filed 12/28/2010) repealed 8/1/2011.

14.7.6 NMAC, 2009 New Mexico Energy Conservation Code (filed 6/15/2011) repealed 6/28/2013.

14.7.6 NMAC, 2009 New Mexico Energy Conservation Code (filed 6/28/2013) repealed 9/25/2020.

 

NMAC History:

14.7.6 NMAC, 2003 New Mexico Energy Conservation Code (filed 5/27/2004) replaced by 14.7.6 NMAC, 2006 New Mexico Energy Conservation Code, effective 1/1/2008.

14.7.6 NMAC, 2006 New Mexico Energy Conservation Code (filed 8/16/2007) replaced by 14.7.6 NMAC, 2009 New Mexico New Mexico Energy Conservation Code, effective 1/28/2011.

14.7.6 NMAC, 2009 New Mexico Energy Conservation Code (filed 12/28/2010) replaced by 14.7.6 NMAC, 2009 New Mexico Energy Conservation Code, effective 8/1/2011.

14.7.6 NMAC, 2011 New Mexico Energy Conservation Code (filed 6/15/2011) replaced by 14.7.6 NMAC, 2013 New Mexico Energy Conservation Code, effective 6/28/2013.

14.7.6 NMAC, 2009 New Mexico Energy Conservation Code (filed 6/28/2013) replaced by 14.7.6 NMAC, 2018 New Mexico Energy Conservation Code, effective 9/25/2020.

14.7.6 NMAC, 2018 New Mexico Energy Conservation Code (filed 9/25/2020) replaced by 14.7.6 NMAC, 2021 New Mexico Energy Conservation Code, effective 1/30/2024.