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Home My WebLink AboutItem 6 - Presentation \ll // CITY OF CHUIAVISTA Department of Economic Development Office of Sustainability Conservation Section CA Department of Housing and Community Development • Requires an Ordinance for the Creation of ADUs (Ca. HCD Approved the City's ADUJJADU Ord.) • Government Code Section 65852. 150(b): Legislative intent to limit local ordinances that "unreasonably restrict the ability of homeowners to create accessory dwelling units" • Placed other jurisdictions on Notice for impeding construction of ADUs • Raised concerns with city staff in conversations about including ADUs in proposed Residential Energy Ordinance • Has authority to recommend CA Attorney General investigate jurisdictions impeding ADU construction z Staff Approach • ADU exemption will limit impact to areas where more work is already being undertaken • Staff will continue conversations with HCD as Residential Energy Ordinance is implemented • Will track ADU applications and include in implementation update along with other implementation feedback such as application & review process, savings or other lessens learned • Limit ordinance risk and staff costs 3 "Together we can build a world we want, a f world we're proud to leave our children and grandchildren." — Ban Ki-moon i r Cory Downs Conservation Specialistr- (619) 476-2442 cdowns@chulavistaca.gov 4 44��m f/ "0000 CITY OF CHUIAVISTA Department of Economic Development Office of Sustainability Conservation Section 5 C 11 J C I 'l im a t le Strategy 3 - Require energy-savings retrofits Actio 2017 in existing buildings at a specific point in �I° time. P �I a �ri .., W; ;�� t . , Performance Metric: Retrofit 13% of single family & multifamily homes Benchmarking ordinance being created will address commercial buildings 10 6 • Require homes built before 2006 that are performing additions or major remodels to also perform energy efficiency upgrades in existing portion of the home Fz All rr 7 i I��Oi,/,Jill r � ✓r r., 7 Allow for energy efficiency measure selection lie f/f �' i �V till ai�rli uu� i HealPummp Water Heater SEER Rating Chart Fan Coerpr611rnr Hot warcexoudllae¢, "�. tmwposatw m tlypaw xtuic�tirwt ""7 �"''u. a Ij Anode wwf IIIIIIIII 8 R+MxAuflls.wc _.wee s e e s 33I3 wnkirn�rrks � 317 Condenwv C",w{IrJ romwta�a trol rc I nsullaTion ........ ,,,, ...... Drain .. `;-..' �..... ... ,.r > 10 11 12.:......„13 14 1S 16/ 18 ... 19 20 8 SEER Rating ui ui 911111Pu�iiui uu uu i�i,,,l w. II IIIIIIIIII, 2006 or newer 0 JJ Ipl�l ui i uuuuuuuugiiiiiiipuuuuuuuuuugiiii�p SIM uuuuuuuuuuuuuuuuuuiuuuuuuuuiiiiiiiiiiiiiii 2005 to 1979 2 ��I�I ui i uuuuuuuuglll uuuuuuuuuuuiiiip„ uuii a upi uuuuuuuuuuuuuuuuuuuuuuuuuuuuu �� 11141�''' uIII" uii�uilll�"® IIIIIIIIIIIIIIIIIIII 1978 or older 3 uuui uii IIIIIIIIIIIII I IIII IIIA VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV 2005 or older 4 'Oell Estimated compliance Ilk up to o o cost reduced by 9 �°� <,l Retrofit Akx nd U Low-income exemption — C 1s11"dil. ..h.....:: ........: .... .., �.... U or C. exemption added for low- Fn 7uduin�runP¢15wsevlri NA Vista ExiI tw(:)HiMe Enerqy Sustawabdhly Ddr,lainp , o Lf F�tMdl yr nVs income homeowners. IIE,ANVideos ioI:Ctn"" �U'f��0'4�V,d�tB Cl f"AIIR Npi rC,Iltj& I lomoz 11 Chili,'IMA have be ei,u I u,a[Me ftr n ieet 11hepplic ble N nergr ndated Innldinq rodeii ti ftch h eie i',t p,,( fYv IIfRMc n lWR `,,r,ce m,,nevl hme.,,I avo,gcfteu lf'➢fIY f?,:`I'hPYv'�IYI,Ic,el<mint M,"'4'4}�,yp1 C r h rk4lll,9,k'YfYg MI¢' Y 6.f'�CMftN n'A f Yf+..lf�ade�P ca^s IIYcnhYry) I'1)I le,"Carr YIt r,n;ryaG I,6i,nn e,W'.0 4 cl n ecfiir„spin r„i e S 0e I r;;'.ala7jl t.'B I 4lCi; rG I Y I Lr S,nmrn v`nl^1 1n I I�oFCW 'cBdDAwlev 1k,Ppaclunillc s h0l,vR,can N Minn„g add,h*,,r uc capr'cn,gl,I�ntuUB'e�:u6,u u P lqg,l^ ti Kr�u,vdel_"'he” c�ryJ r„adl��:Wd I,a, jlble 9r PmnC,VholTr fAwe /r,vIia cul" nlc„r,,I Il C c.f 1: , r I I•,d u tntOc pay Uj i,n ate A,,t-wrPlunand 1:a Ybdc Inndn"w U ft �pni,PN k1 wo&s til c yM I'IGp,1,Y 36 a I e 11vnmrtti tl I,,.0 1 .du3 I c c^v a+1 vaCC In j I el,c a I Id e<c 01u r 1 ua�+u I c,, CJair&'p'f CP RN Website- www.chulavistaca.gov/departments/clean/retrofit 10 Allow flexibility for homes to take more effective paths to efficiency or for homes that are already efficient. Includes exemptions where: • Similar measures have already been completed • Participation in low-income weatherization program • An alternative, voluntary, set of energy measures is concurrently being completed that will achieve equivalent of greater energy savings than the prescriptive packages. • Home achieves a Department of Energy (DOE) Home Energy Score (HES) of at least 8 out of 10 • Home has on-site photovoltaics in place offsetting at least 95% of the annual electricity and gas- equivalent usage 11 wBener Horne Energy Score ni �11j $882 Unique Homes • Prescribed measures would be technical) infeasible or not be cost-effective due to unique characteristics of home or other special circumstances ' Projects exempt if consisting solely of: Medically necessary improvements I� uN Accessory Dwelling Unit (ADU) 12 13 New Potential Credits: Energy Efficiency Benefit Measure Windows Energy efficiency windows not only reduce heating and cooling costs they can also reduce the ability of moisture and noise to enter your home. Water Heater About 18% of average homes energy is used for heating water. Heat Pump Water Replacement heaters are on average 200% to 300% more efficient than traditional water heaters while tankless units are 8% to 34% more efficient. Additionally, because heat pump water heaters store their hot water, they can minimize energy usage during peak periods. Air Conditioner When running, air conditioners can be the biggest energy user in a home so installing Replacement high efficiency units can prevent higher bills. It is also important to ensure ducting is sealed and installed and filters are regularly changed. 14 • Recommended cost-effective upgrade measures based on home age and climate zone Year Built Climate Zone 7 Climate Zone 10 (91914) Pre-1978 1) LED Lighting 2) Water Heating Package 1) LED Lighting 3) R38 Attic Insulation 2) Water Heating Package 4) Duct Sealing 3) R38 Attic Insulation 4) Duct Sealing 1978-2005 1) LED Lighting 5) Air Sealing 2) Water Heating Package 15 • MAAC Weatherizationff , ,r • Go Green Financing ` • Home Energy Score fw� • SDG&E ` ketpb w t M low r • Energy Saving Assistance Program • Energy Marketplace • Rebates p�� p � n� �w �p ��n� �� Wouiu �uuiiW�mQ� um�� 1➢l� ��, � 1� f ¢nay � rm�m F01t°�A° ANG' %__ Af k40�04%, 16 If all recommended energy measures are installed in the estimated 3,800 units that the ordinance will affect over 10 years, • GHG Reductions - 3,200 metric tons • Utility Cost Savings $559,000 per year in 2030 and more than $1 million per year in 2040 Combined with outreach to encourage non-covered homes to voluntarily make retrofits ,, Ilulalaaaaaaaaaaaaaaaaa ��UII I I�I1111«�IIIIIJIIIl!% J w 17 IIIUII ullllii�m u�l II I ull ull a IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIu!Illulu.IIIIIIIIIIII uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuVl Illllliq �� VVVuu! VVVVVV„ IIIIIIIII i .If lel' 10/6/20 1111111 IIII�III III III VIII III II IIII Illus a �� uiuiu ui 10/20/20 10/7/20 IIIIIIIII IIII VIII� IIII VIII IIIIIIIII °°°°°°lil °III ullllllul VIII �� IIIIIIIIII u� U 12/10/20 All IIIA IIS 12/10/20 uuul III 1/10/21 18 • Implementation item of 2017 Climate Action Plan • Older Residential buildings have the biggest opportunity to reduce GHG and utility bills • Flexibility provided through measure selection with information about additional potential energy savings • A part of existing project review and inspection by staff • Exemptions for low income and homeowners who have already implemented similar measures 19 "Together we can build a world we want, a f world we're proud to leave our children and grandchildren." — Ban Ki-moon i r Cory Downs Conservation Specialistr- (619) 476-2442 cdowns@chulavistaca.gov 20 Slides from March Presentation 21 Climate Change Working Group Recommendation #1 N—rd , �d " d.Ii.. -2 WW',F!�kjy U,,,j dmu AB P 61H HN UpdA,,0 Citvla,,d,,WI,C-so-Mi-fl l . "d d"'is", 0 Rqseers alng, 1n eAIIIIg# hllui p P,,oic P.1",ndlmrr<gnanyuvat¢1V 'A.). W ft",H&S)"w,M,CSN,W." A0,dg,,W,t,,R....M,�PIt,11111&�ill 0,�,�,,, f d, � b -6.1 ,.],w,d01,W-1- 9 ti—01, , L',.d,y t,I i 1,6'. p-g" a,,d by Pjjjg,PW.,,Y,t,'P,t ................................................................................................................................ .............................................................................. .................. ...�1,,P Z, W,N (wio, pha ,,,,r, mdb,,Jldhg ""Pl-", Ae—,w.anee,Ydm?, "'I p Ii,b�g ba,Of... F,—gy Ed.6&E,� -gok,g^4„y Dly& MMP-ia 1 'u ttHo—Fr,gy R�th,0 77 0 L_,p lh�bwlding p �Ohd j d—, ,P,_,IId,�pvf.,,Hrg,,gy 77, IV,11G 4&4 "Require energy-savings retrofits in existing buildings at a specific point in time (not at point of sale)” 22 HL,)L A V�Sl'/� Benchmarking ordinance being created Climate 2017 will address commercial buildings Action Other Objective Actions IIID Financing o Go Green Residential and commercial no- �� cost evaluations W uuu o Home Energy & Water Check-Ups o Free Resource & Energy Business Evaluation Objective 3.3 - Energy Efficiency Upgrades Chula Vista Climate Action Performance Metric: Retrofit 13% of single Challenge fwww.cvclimatechallenge.com family & multifamily homes 23 (ALIFORNIA ENERGY (ODES&STANDARDS, /1, AT[ VII1F 1H1I YPR()("i h'tuf"t California Building Energiy Efficiency Standards Title 24, Part 6, Local Energy Efficiency Ordinances Existing Building Efficiency Upgrade Cost-Effectiveness Study State-wide study created by utilities for local governments 24 Required measures are cost effective: • Upgrades estimated to payback within 7.9 to 10.7 years with an average of 8.3 • Average home expected to save approximately $170 per year in utility costs If unique considerations are found: • Project Value Cutoff - If the cost of completing energy efficiency measures required under this policy exceeds 20% of the overall project cost without those measures, permit applicants can propose a more limited set from among the required measures which u does not exceed 20% 100 25 1 ) Lighting Measure: Replace screw-in incandescent, CFL and Halogen lamps with LED bulbs Notes: Not applicable to lights plugged into outlets, recommend Energy Star bulbs. Historic fixtures exempt if not compatible with LED bulbs mu; 9WW ENERGY STAR wrtflod LED bulb 431N E'adogen Benefits: Reduces energy use up to 70%, reduces Snghtnes 5nghInes waste heat, average bulbs last 25 times longer 800 'M $00 M lumenslunvan Required in Homes: Mandatory measure required by all homes 26 2) Water Heating Package Measure: A. Water Heater Blanket - Insulate exterior of f� storage water heaters without existing R-16 insulation , (required on water heaters made after April 2015 B. Hot Water Pipe Insulation - Insulate all accessible hot water pipes C. Low Flow Fixtures - Upgrade sink and shower fittings to maximum flow rates of 1.8 gallons per minute (gpm) for showerheads and kitchen faucets, and 1.2 gpm for OPP bathroom faucets PAP. Notes: Only accessible hot water pipes need to be insulated. Historic fixtures exempt if not compatible SwiUch with water efficiency measures & Save 27 3) Attic Insulation Measure: Add attic insulation in buildings with vented attic spaces to meet R-38r Notes: Homes with existing insulation greater than R-5 in Climate Zone 7 or greater than R-19 in Climate Zone 10 are exempt. Homes without vented attics are exempt. Benefits: Helps home maintain stable temperature and reduces heating and cooling energy use and costs Required in Homes: Pre 1978 homes in Climate Zone 7 and all homes in Climate Zone 10 (zip code 91914) — Approximately 47% of expected applications 28 4) Duct Sealing Measure: Air seal all accessible ductwork with a goal of reducing duct leakage to be equal to or less than 15% of , system airflow Notes: Require photo of contractor gauge for compliance Benefits: Reduces energy lost from heating and cooling air distribution, increases indoor air quality Required in Homes: Pre-1978 homes in Climate Zone 7 and all homes in Climate Zone 10 (zip code 91914) — Approximately 47% of expected applications 29 5) Air Sealing Measure: Apply air sealing practices throughout all ' mJ accessible areas of the building „ w k Notes: Only accessible areas need to be sealed. Homes ------ .......... n eimn� N'sdmro with one or more vented combustion appliances MUST Y have a BPI Combustion Appliance Safety Inspection � � performed after air sealing. Benefits: Increases home comfort and reduces energy used to heat or cool homes Required in Homes: Only Climate Zone 10 (zip code 91914) — Approximately 14% of expected applications 30 BPI Combustion Appliance Safety Inspection • Only required when home does air sealing • • Only required where a home has a combustion appliance that vents to the home BPI • Ensures proper combustion appliance ventilation even under worst case scenario " conditions • If homes are sealed too tight it can impact combustion appliance ventilation and therefore )1 nllo , +ul I1f indoor air safety, �� 31 6) Cool Roof Measure: Install a roofing product rated by the Cool Roof Rating Council (CRRC) with an aged solar reflectance of 0.25 or higher and thermal emittance of 0.75 or higher Notes: Only for steep slope roofs (shallow slope roofs m ie N�utiiti� °�i already covered) / //%, ;%i, o r11111111akU Benefits: Reduces home heat gain and reduces energy used for cooling Required in Homes: Only applicable if project includes ' %;, , re-roofing. Pre 1978 homes in Climate Zone 7 and all homes in Climate Zone 10 (zip code 91914) 32 Allow flexibility for homes to take more effective paths to efficiency or for homes that are already efficient. Includes exemptions where: • Similar measures have already been completed • Participation in low-income weatherization program • An alternative, voluntary, set of energy measures is concurrently being completed that will achieve equivalent of greater energy savings than the prescriptive packages. • Home achieves a Department of Energy (DOE) Home Energy Score (HES) of at least 8 out of 10 • Home has on-site photovoltaics in place offsetting at least 95% of the annual electricity and gas-equivalent usage 11 wBener Horne Energy Score ni �11j $882 Unique Homes • Prescribed measures would be technically infeasible or not be cost-effective due to unique ro- characteristics of home or other special circumstances Projects exempt if consisting sole) of: • Medically necessary improvements • Accessory Dwelling Unit (ADU) t r. 34 li Local Energy Code Requirements Compliant wasae laws • Clitithlltt - BSC • Updated for each new Title 24 cycle — Pre 2006 homes minimally effected. • Filed with the State, and accessible to public • Resulting in buildings using less energy - Must be more stringent than state requirements • Must be cost effective % • May not specifically require high efficiency equipment that is regulated by the federal government (e.g., � � HVAC or Water Heating (DHW) equipment) NERDY * ION .. 35 • Prescribed upgrade measures depend on home age and climate zone Year Built Climate Zone 7 Climate Zone 10 Pre-1978 33% NA 1978-2005 43% 14% • Prescribed upgrades will apply to the remainder of the home not otherwise required to comply with current building code as a result of the addition or remodel 36