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ADDITIONAL . .....BLES culiATE ZONES 4 6A-18 HEATING CREDIT MULTIPLIERS tHCM) ~",. __~Yl)TEM TYPE HEATING CREDIT MULTIPUERS (HCM) _. Attic Radiant Barrier HCM .98 --- -------.-- HCM .95 Multizone Natural Gas AFUE .68-,72 .73-.77 .78, .82 .83-.87 .88-,92 .93 &J!p HCM .61 .56 .53 .50 .47 .44 - ------ HCM .67 .63 -,60 .57- LP Gas .77 .72 6A-19 COOLING CREDIT MULTIPLIERS CCM) SYSTEM TYPE COOLING CREDIT MULTIPUERS-lCCM) .C_e!lirlfLF~ns .86' Cross_Ventila!ion~_ _ .95' -- 'Credit may be taken lor only Whole HouseF<!r1___ -- ------ .95' ...--.----- one 01 these system types concurrently. Multizone .----- __u____ .95 .------- AttiC Radiant Barri"r .QI; SYSTEMIYPE. Heat Recovery Unit .with . '1€, Heat Pump t50;7:~ Dedicated Heat Pump HWCM .~".. HWCM _ 84 . . __....A2.._ A HWM MUST BE USED IN CONJUNCTION WITH ALL HWCM, SEE TABLE SA-g. EF MEANS ENERGY FACTOR. Solar 6A-21 INfiLTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST tSEE SECTION 606) COMPONENTS SECTION REQUIREMENTS fOR EACH PRACTICE CHE PRACTICE #1 606.1 COMPLY WITH All INFilTRATION PRESCRIPTIVES. Windows Maximum of 0.34 CFM oer linear foot of ooerable sash crack tincludes slidinn nlass doorS). Exterior & Adlacent Doors Maximum of 0.5 CFM oer sa. ft. of door area' solid core wood oanel insulated or alass doors onlv. Exterior Joints & Cracks To be caulked aasketed weatherstriooed or otherwise sealed. PRACTICE #2 606.1 COMPLY WITH #1 AND THE FOllOWING: Exterior Walls and FlooJ'$. Too olate oenetrations sealed. Infiltration barrier installed. Sole olate/floor ioint caulked or sealed. Exterior Walls & Ceifinas . ,"('. Penetrations ioints and cracks on interior surface caulked sealed or aasketed. Ductwork Ductwork in unconditioned soace must be sealed. -Flreolaces Eauiooed with outside combustion air. doors. and flue damoers. ~h!lUst Fans Eauiooed with damoers. Combustion devices see 606.1 .A.2 PRACTIQ!;#3 606.1 COMPLY WITH PRACTICES #1 AND #2 AND THE FOllOWING: _<;;'l!!!!!l9L Infiltration barrier installed. - Intenor Walls Too oenetrations sealed or ioints & cracks on interior walls caulked sealed or nasketed. Rgccssea LIQhts Sealed from conditioned & insulated from ventilated attic soaces. - Ductwork All ductwork located in conditioned soace. Combustion Appliances Be in unconditioned space (except direct vent), draw air from unconditioned space, exhaust by-products to outside. Combustion cooking appliances see section 606.1.A,3 6A-22 OTHER PRESCRIPTIVE MEASURES lmust be met or exceeded bv all residences.l COMPONENTS SECTION REQUIREMENTS CHE Water Heaters 612.1 Comply with efficiency requirements in Table 6-11. Switch or clearly marked circuit breaker (electric) or cutoff taas) must be nrovided. External or built-in heat trao reauired. Swimming Pools & Spas I 612.1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have -- .----- --~---- ._--~ a pump timer. Gas spa & pool heaters must have a minimum thermal efficiency of 78%. Shower Heads 612.1 Water flow must be restricted to no more than 3 aallons oer minute at 80 PSIG. Air Distribution System 610.1 All ducts, finings, mechanical equipment and plenum chambers shall be mechanically attached, sealed, insulated, and installed in accordance with the criteria of Section 610. Ducts in unconditioned attics must be insulated to a minimum 01 R-6. Air handlers shall not be installed in attics unless in ------ 1-. mechanical closet. HVAC Controls 607.1 Seoarate readilv accessible manual or automatic thermostat for each system. Insulation 604.1,602.1 CeilinQs-Min. R-19. Common walls-Frame R-11 or CBS R-3 both sides. Common ceilina & floors R-11. -6-