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ADDITIONAL TABLES 6A-18 HEATING CREDIT MULTIPLIERS HCM ___SYST~f.1TY!lE____u_ _ ______ !'lI~Rad~nL~~~~______ . ____ __. ___ Multizone Natural Gas CLIMATE ZONES 4 5 6 LP Gas HCM --------_._---- --- HCM ----'-~._--- AFUE ..____u_________ HCM HCM . ------_____ _____ IiEA TlNG CREDIT MULTIPLIERS (HCM) .98 --- ---- -------------- .-----------_ '---"0 ____H'_ ------- --- --_________ __.. ___~5 _~_ .68-.72 .61 .77 .73-.77 ----..------.----- -.. .56 - -- -----....~ .72 .78-.82 .53 -----...-------- .67 .83-.8~ .50 --~_..._---_.- .63 .88-.92 .47 --'-~-- .60 .93 & llL__ .44 .57 6A-19 COOLING CREDIT MULTIPLIERS CCM gemrlgf:~~~EM-=~~____~- -_=~- C~~~IN_~ ~R~~Irn:2IP~I!=~~ {=MJ_ ___ Cross Ventilation .. . ______ ___ _ .9~ ________ Whole Hou-se Fan~~~~-=_=_ _ ____ . ______ .~~. Muij~~rl~_ ____ .95 Alii<: Radiant Barrier .95 -- ---_.._----_..-.._._---._---~--_...__.~---~--~---~~._--- 'Credit may be taken for only one of these system types concurrently. SYSTEM TYPE - - ----- - - - - _ _ _ _ __ _ HOT _WATER CREDJJ_MULDe.UERSlIiWC~L~__________ _ _ :,:~::':P -f-~~- --I-to.,. '~~f;.~T[f2~~OO3~3J-T~':~.~ ~;.o~ri JHWCM - . -- -~"'-- _ -~4L_ __ .2lL__.2L -=:f_ ---..1L A HWM MUST BE USED IN CONJUNCTION WITH All HWCM. SEE TABLE 6A.9. EF MEANS ENERGY FACTOR. 6A-21 INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST (SEE SECTION 606) COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK PRACTICE '1 606.1 COMPLY WITH ALLINFIL TRA TION PRESCRIPTIVES. V"'" Windows Maximum of 0.34 CFM oer linear foot of ooerable sash crack (includes slidina alass doorS). ~ Exterior & Adiacent Doors Maximum of 0.5 CFM oer sa. ft. of door area: solid core wood Danel 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: I/' Exterior Walls and Floors Too olate o-enetrations sealed. Infiltration barrier installed. Sole oiate/floor ioint caulked or sealed. \/ Exterior Walls & Ceilinlls Penetrations, joints and cracks on interior surface caulked, sealed or gasketed. \" ............. Ductwork Ductwork in unconditioned soace must be sealed. ,/ Fireolaces Eauinned with outside combustion air doors. and flue damoers. Exhaust Fans Eauiooed with damoers. Combustion devices see 606.1.A.2 \"7 PRACTICE '3 606.1 COMPLY WITH PRACTICES #1 AND #2 AND THE FOLLOWING: Ceilinas Infiltration barrier installed. Interior Walls Too oenetrations sealed or ioints & cracks on interior walls caulked. sealed or aasketed. Recessed UlIhts 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 (must be met or exceeded bv all residences.) COMPONENTS SECTION REQUIREMENTS CHECK Water Heaters 612.1 Comply with efficiency requirements in Table 6-11. Switch or clearly marked circuit breaker (electric) or cutoff (gas) must be provided. External or built-in heat trap required. SWimming Pools & Spas 612.1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have a oumo timer. Gas soa & 0001 heaters must have a minimum thermal efficlencv 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, fittings, 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 of R-6. Air handlers shall not be installed in attics unless in mechanical closet. HVAC Controls 607.1 Seoarate readilvaccessible manual or automatic thermostat for each system. Insulation 604.1, 602.1 Ceilinas-Min. R-19. Common walls-Frame R-11 or CBS R-3 both sides. Common ceilina & floors R-11. -6-