Full Assessment Recommendations Codes (ARC) List

2	ENERGY MANAGEMENT					89,580
	2.1	Combustion Systems				6,004
		2.11	Furnaces, Ovens And Directly Fired Operations			1,058
			2.111	Operations		236
				2.1111	Control Pressure On Steamer Operations	18
				2.1112	Heat Oil To Proper Temperature For Good Atomization	1
				2.1113	Reduce Combustion Air Flow To Optimum	110
				2.1114	Limit And Control Secondary Combustion Air In Furnace	17
				2.1115	Eliminate Combustible Gas In Flue Gas	6
				2.1116	Improve Combustion Control Capability	74
				2.1117	Relocate Oven / Furnace To More Efficient Location	10
			2.112	Hardware		371
				2.1121	Use Insulation In Furnaces To Facilitate Heating / Cooling	73
				2.1122	Re-size Charging Openings Or Add A Movable Door On Equipment	47
				2.1123	Install Automatic Stack Damper	242
				2.1124	Replace Direct Fired With Steam Heat	2
				2.1125	Convert To Oxyfuel Burners	3
			2.113	Maintenance		453
				2.1131	Repair Faulty Insulation In Furnaces, Boilers, Etc	191
				2.1132	Repair Faulty Louvers And Dampers	5
				2.1133	Adjust Burners For Efficient Operation	178
				2.1134	Eliminate Leaks In Combustible Gas Lines	11
				2.1135	Repair Furnaces And Oven Doors So That They Seal Efficiently	68
		2.12	Boilers			3,216
			2.121	Operation		377
				2.1211	Move Boiler To More Efficient Location	19
				2.1212	Operate Boilers On High Fire Setting	47
				2.1213	Direct Warmest Air To Combustion Intake	311
			2.122	Hardware		396
				2.1221	Replace Obsolete Burners With More Efficient Ones	103
				2.1222	Install Turbulators	137
				2.1223	Install Smaller Boiler (increase High Fire Duty Cycle)	45
				2.1224	Replace Boiler	111
			2.123	Maintenance		2,267
				2.1231	Establish Burner Maintenance Schedule For Boilers	78
				2.1232	Keep Boiler Tubes Clean	94
				2.1233	Analyze Flue Gas For Proper Air/fuel Ratio	2,093
			2.124	Blowdown		177
				2.1241	Reduce Excessive Boiler Blowdown	39
				2.1242	Minimize Boiler Blowdown With Better Feedwater Treatment	24
				2.1243	Use Heat From Boiler Blowdown To Preheat Boiler Feed Water	114
		2.13	Fuel Switching			1,730
			2.131	Electric To Fossil Fuel		1,379
				2.1311	Replace Electrically-operated Equipment With Fossil Fuel Equipment	1,379
			2.132	Fossil Fuel To Electric		81
				2.1321	Replace Fossil Fuel Equipment With Electrical Equipment	61
				2.1322	Use Electric Heat In Place Of Fossil Fuel Heating System	18
				2.1323	Replace Gas-fired Absorption Air Conditioners With Electric Units	2
			2.133	Alternate Fuel		238
				2.1331	Burn A Less Expensive Grade Of Fuel	116
				2.1332	Convert Combustion Equipment To Burn Natural Gas	73
				2.1333	Convert Combustion Equipment To Burn Oil	18
				2.1334	Convert Oil Or Gas Burners To Combustion Of Coal	3
				2.1335	Replace Gasoline With Diesel, Lpg, Or Natural Gas	13
				2.1336	Install Equipment To Utilize Waste Fuel	15
			2.139	Miscellaneous		32
				2.1391	Replace Purchased Steam With Electric Heating	1
				2.1392	Replace Purchased Steam With Other Energy Source	20
				2.1393	Use Steam Sparging Or Injections In Place Of Indirect Heating	7
				2.1394	Replace Steam Jets On Vacuum System With Electric Motor Driven Vacuum Pumps	4
	2.2	Thermal Systems				13,406
		2.21	Steam			2,917
			2.211	Traps		274
				2.2111	Install Steam Trap	23
				2.2112	Use Correct Size Steam Traps	2
				2.2113	Repair Or Replace Steam Traps	240
				2.2114	Shut Off Steam Traps On Super Heated Steam Lines When Not In Use	9
			2.212	Condensate		645
				2.2121	Increase Amount Of Condensate Returned	230
				2.2122	Install / Repair Insulation On Condensate Lines	294
				2.2123	Insulate Feedwater Tank	80
				2.2124	Install De-aerator In Place Of Condensate Tank	12
				2.2125	Replace Barometric Condensers With Surface Condensers	0
				2.2126	Lower Operating Pressure Of Condenser (steam)	3
				2.2127	Flash Condensate To Produce Lower Pressure Steam	15
				2.2128	Use Steam Condensate For Hot Water Supply (non-potable)	11
			2.213	Leaks And Insulation		1,753
				2.2131	Insulate Steam / Hot Water Lines	1,096
				2.2132	Repair Faulty Insulation On Steam Lines	12
				2.2133	Repair Leaks In Lines And Valves	385
				2.2134	Eliminate Leaks In High Pressure Reducing Stations	1
				2.2135	Repair And Eliminate Steam Leaks	257
			2.214	Distillation		5
				2.2141	Operate Distillation Columns Efficiently	2
				2.2142	Upgrade Distillation Hardware	3
			2.215	Maintenance		48
				2.2151	Clean Steam Coils In Processing Tanks	0
				2.2152	Maintain Steam Jets Used For Vacuum System	3
				2.2153	Close Off Unneeded Steam Lines	45
			2.216	Operations		170
				2.2161	Optimize Operation Of Multi-stage Vacuum Steam Jets	3
				2.2162	Reduce Excess Steam Bleeding	24
				2.2163	Use Minimum Steam Operating Pressure	132
				2.2164	Turn Off Steam Tracing During Mild Weather	9
				2.2165	Substitute Air For Steam To Atomize Oil	2
			2.219	Miscellaneous		23
				2.2191	Substitute Hot Process Fluids For Steam	18
				2.2192	Use Heat Exchange Fluids Instead Of Steam In Pipeline Tracing Systems	5
		2.22	Heating			190
			2.221	Operation		129
				2.2211	Use Optimum Temperature	80
				2.2212	Use Minimum Safe Oven Ventilation	49
			2.222	Hardware		61
				2.2221	Use Immersion Heating In Tanks, Melting Pots, Etc	18
				2.2222	Convert Liquid Heaters From Underfiring To Immersion Or Submersion Heating	5
				2.2223	Enhance Sensitivity Of Temperature Control And Cutoff	38
		2.23	Heat Treating			63
			2.231	General		63
				2.2311	Heat Treat Parts Only To Required Specifications Or Standards	9
				2.2312	Minimize Non-essential Material In Heat Treatment Process	16
				2.2313	Use Batch Firing With Kiln "furniture" Specifically Designed	2
				2.2314	Replace Heat Treating Oven With More Efficient Unit	36
		2.24	Heat Recovery			4,968
			2.241	Flue Gas Recuperation		1,219
				2.2411	Use Waste Heat From Hot Flue Gases To Preheat Combustion Air	873
				2.2412	Use Flue Gas Heat To Preheat Boiler Feedwater	344
				2.2413	Use Hot Flue Gases To Preheat Wastes For Incinerator Boiler	2
			2.242	Flue Gas - Other Uses		405
				2.2421	Install Waste Heat Boiler To Provide Direct Power	9
				2.2422	Use Waste Heat From Hot Flue Gases To Generate Steam	43
				2.2423	Install Waste Heat Boiler To Produce Steam	9
				2.2424	Use Heat In Flue Gases To Preheat Products Or Materials	84
				2.2425	Use Flue Gases To Heat Process Or Service Water	78
				2.2426	Use Waste Heat From Flue Gases To Heat Space Conditioning Air	87
				2.2427	Use Waste Heat From Hot Flue Gases To Preheat Incoming Fluids	61
				2.2428	Use Flue Gases In Radiant Heater For Space Heating, Ovens, Etc	34
			2.243	Heat Recovery From Specific Equipment		2,333
				2.2431	Recover Heat From Transformers	6
				2.2432	Recover Heat From Oven Exhaust / Kilns	230
				2.2433	Recover Heat From Engine Exhausts	12
				2.2434	Recover Heat From Air Compressor	1,179
				2.2435	Recover Heat From Compressed Air Dryers	9
				2.2436	Recover Heat From Refrigeration Condensers	100
				2.2437	Recover Waste Heat From Equipment	797
			2.244	Other Process Waste Heat		899
				2.2441	Preheat Boiler Makeup Water With Waste Process Heat	117
				2.2442	Preheat Combustion Air With Waste Heat	120
				2.2443	Re-use Or Recycle Hot Or Cold Process Exhaust Air	244
				2.2444	Use Hot Process Fluids To Preheat Incoming Process Fluids	177
				2.2445	Recover Heat From Exhausted Steam	44
				2.2446	Recover Heat From Hot Waste Water	118
				2.2447	Heat Water With Exhaust Heat	79
			2.249	Miscellaneous		112
				2.2491	Use Cooling Air Which Cools Hot Work Pieces For Space Heating	31
				2.2492	Use "heat Wheel" Or Other Heat Exchanger To Cross-exchange Building Exhaust Air With Make-up Air	62
				2.2493	Use Recovered Heat From Lighting Fixtures For Useful Purpose	0
				2.2494	Recover Heat In Domestic Hot Water Going To Drain	15
				2.2495	Use Exhaust Heat From Building For Snow And Ice Removal	2
				2.2496	Heat Service Hot Water With Air Conditioning Equipment	2
		2.25	Heat Containment			4,099
			2.251	Insulation		3,688
				2.2511	Insulate Bare Equipment	3,014
				2.2512	Increase Insulation Thickness	208
				2.2513	Cover Open Tanks With Floating Insulation	158
				2.2514	Cover Open Tanks	230
				2.2515	Use Optimum Thickness Insulation	64
				2.2516	Use Economic Thickness Of Insulation For Low Temperatures	14
			2.252	Isolation		177
				2.2521	Isolate Steam Lines To Avoid Heating Air Conditioned Areas	8
				2.2522	Isolate Hot Or Cold Equipment	62
				2.2523	Reduce Infiltration To Refrigerated Areas; Isolate Hot Equipment From Refrigerated Areas	84
				2.2524	Avoid Cooling Of Process Streams Or Materials That Must Subsequently Be Heated	10
				2.2525	Eliminate Cooling Of Process Streams Which Subsequently Must Be Heated And Vice Versa	13
			2.253	Infiltration		234
				2.2531	Re-size Charging Openings Or Add Movable Cover Or Door	157
				2.2532	Use Only Amount Of Air Necessary To Prevent Explosion Hazard	71
				2.2533	Replace Air Curtain Doors With Solid Doors	6
		2.26	Cooling			1,113
			2.261	Cooling Towers		368
				2.2611	Moderate Cooling Tower Outlet Temperature	32
				2.2612	Use Cooling Tower Water Instead Of Refrigeration	91
				2.2613	Use Antifreeze In Cooling Towers To Allow Winter Use	0
				2.2614	Use Cooling Tower Or Economizer To Replace Chiller Cooling	236
				2.2615	Clean Condenser Tubes	7
			2.262	Chillers And Refrigeration		627
				2.2621	Modify Refrigeration System To Operate At A Lower Pressure	215
				2.2622	Replace Existing Chiller With High Efficiency Model	100
				2.2623	Minimize Condenser Cooling Water Temperature	31
				2.2624	Use Cold Waste Water To Cool Chiller Feed Water	9
				2.2625	Chill Water To The Highest Temperature Possible	82
				2.2626	Avoid Frost Formation On Evaporators	14
				2.2627	Use Multiple-effect Evaporators	4
				2.2628	Utilize A Less Expensive Cooling Method	172
			2.269	Miscellaneous		119
				2.2691	Shut Off Cooling If Cold Outside Air Will Cool Process	37
				2.2692	Use Outside Cold Water Source As A Supply Of Cooling Water	25
				2.2693	Use Waste Heat Steam For Absorption Refrigeration	10
				2.2694	Use Highest Temperature For Chilling Or Cold Storage	32
				2.2695	Use Cascade System Of Recirculating During Cold Weather To Avoid Sub-cooling	3
				2.2696	Use Excess Cold Process Fluid For Industrial Cooling Needs	12
		2.27	Drying			56
			2.271	Use Of Air		56
				2.2711	Utilize Outside Air Instead Of Conditioned Air For Drying	56
	2.3	Electrical Power				4,453
		2.31	Demand Management			2,279
			2.311	Thermal Energy Storage		40
				2.3111	Heat Water During Off-peak Periods And Store For Later Use	6
				2.3112	Store Heated/ Cooled Water For Use During Peak Demand Periods	11
				2.3113	Make Ice During Off Peak Hours For Cooling	23
			2.313	Scheduling		1,702
				2.3131	Reschedule Plant Operations Or Reduce Load To Avoid Peaks	1,132
				2.3132	Recharge Batteries On During Off-peak Demand Periods	296
				2.3133	Consider Three Or Four Days Around-the-clock Operation Rather Than One Or Two Shifts Per Day	8
				2.3134	Shift From Daytime To Nighttime Operation	100
				2.3135	Schedule Routine Maintenance During Non-operating Periods	19
				2.3136	Overlap Custodial Services With Normal Day Hours	17
				2.3137	Use Power During Off-peak Periods	130
			2.319	Miscellaneous		537
				2.3191	Use Demand Controller Or Load Shedder	491
				2.3192	Use Fossil Fuel Powered Generator During Peak Demand Periods	46
		2.32	Power Factor			1,629
			2.321	General		1,628
				2.3211	Use Power Factor Controllers	394
				2.3212	Optimize Plant Power Factor	1,234
		2.33	Generation Of Power			54
			2.331	Dc		24
				2.3311	Replace Dc Equipment With Ac Equipment	7
				2.3312	Install Efficient Rectifiers	17
			2.332	Ac		30
				2.3321	Use Steam Pressure Reduction To Generate Power	20
				2.3322	Use Existing Dam To Generate Electricity	9
				2.3323	Install Emissions Controls To Increase Capacity	1
		2.34	Cogeneration			372
			2.341	General		372
				2.3411	Replace Electric Motors With Back Pressure Steam Turbines And Use Exhaust Steam For Process Heat	13
				2.3412	Use Waste Heat To Produce Steam To Drive A Steam Turbine-generator	53
				2.3413	Burn Fossil Fuel To Produce Steam To Drive A Steam Turbine-generator And Use Steam Exhaust For Heat	39
				2.3414	Burn Waste To Produce Steam To Drive A Steam Turbine Generator Set And Use Steam Exhaust For Heat	39
				2.3415	Use A Fossil Fuel Engine To Cogenerate Electricity Or Motive Power; And Utilize Heat	161
				2.3416	Use Combined Cycle Gas Turbine Generator Sets With Waste Heat Boilers Connected To Turbine Exhaust	35
				2.3417	Use Waste Heat With A Closed-cycle Gas Turbine-generator Set To Cogenerate Electricity And Heat	32
		2.35	Transmission			119
			2.351	Transformers		108
				2.3511	Use Plant Owned Transformers Or Lease Transformers	75
				2.3512	De-energize Excess Transformer Capacity	29
				2.3513	Consider Power Loss As Well As Initial Loads And Load Growth In Down-sizing Transformers	4
			2.352	Conductor Size		11
				2.3521	Reduce Load On Electrical Conductor To Reduce Heating Losses	5
				2.3522	Increase Electrical Conductor Size To Reduce Distribution Losses	6
	2.4	Motor Systems				29,139
		2.41	Motors			10,912
			2.411	Operation		3,739
				2.4111	Utilize Energy-efficient Belts And Other Improved Mechanisms	3,683
				2.4112	Install Soft-start To Eliminate Nuisance Trips	33
				2.4113	Install Motor Voltage Controller On Lightly Loaded Motors	23
			2.413	Hardware		5,062
				2.4131	Replace Over-size Motors And Pumps With Optimum Size	147
				2.4132	Size Electric Motors For Peak Operating Efficiency	59
				2.4133	Use Most Efficient Type Of Electric Motors	4,837
				2.4134	Replace Electric Motor With Fossil Fuel Engine	19
			2.414	Motor System Drives		1,797
				2.4141	Use Multiple Speed Motors Or Afd For Variable Pump, Blower And Compressor Loads	1,342
				2.4142	Use Adjustable Frequency Drive To Replace Motor-generator Set	67
				2.4143	Use Adjustable Frequency Drive To Replace Throttling System	151
				2.4144	Use Adjustable Frequency Drive To Replace Mechanical Drive	234
				2.4145	Install Isolation Transformer On Adjustable Frequency Drive	3
			2.415	Motor Maintenance/repair		314
				2.4151	Develop A Repair/replace Policy	211
				2.4152	Use Only Certified Motor Repair Shops	0
				2.4153	Avoid Emergency Rewind Of Motors	1
				2.4154	Avoid Rewinding Motors More Than Twice	7
				2.4155	Standardize Motor Inventory	1
				2.4156	Establish A Preventative Maintenance Program	21
				2.4157	Establish A Predictive Maintenance Program	73
		2.42	Air Compressors			15,874
			2.422	Hardware		5,386
				2.4221	Install Compressor Air Intakes In Coolest Locations	4,409
				2.4222	Install Adequate Dryers On Air Lines To Eliminate Blowdown	78
				2.4223	Install Direct Acting Units In Place Of Compressed Air Pressure System In Safety System	18
				2.4224	Upgrade Controls On Compressors	355
				2.4225	Install Common Header On Compressors	28
				2.4226	Use / Purchase Optimum Sized Compressor	451
				2.4227	Use Compressor Air Filters	47
			2.423	Operations		10,488
				2.4231	Reduce The Pressure Of Compressed Air To The Minimum Required	3,113
				2.4232	Eliminate Or Reduce Compressed Air Used For Cooling, Agitating Liquids, Moving Product, Or Drying	926
				2.4233	Eliminate Permanently The Use Of Compressed Air	163
				2.4234	Cool Compressor Air Intake With Heat Exchanger	39
				2.4235	Remove Or Close Off Unneeded Compressed Air Lines	96
				2.4236	Eliminate Leaks In Inert Gas And Compressed Air Lines/ Valves	6,090
				2.4237	Substitute Compressed Air Cooling With Water Or Air Cooling	32
				2.4238	Do Not Use Compressed Air For Personal Cooling	29
		2.43	Other Equipment			2,351
			2.431	Operations		1,415
				2.4311	Recover Mechanical Energy	21
				2.4312	Improve Lubrication Practices	555
				2.4313	Provide Proper Maintenance / Of Motor Driven Equipment	8
				2.4314	Use Synthetic Lubricant	831
			2.432	Hardware		936
				2.4321	Upgrade Obsolete Equipment	109
				2.4322	Use Or Replace With Energy Efficient Substitutes	524
				2.4323	Use Optimum Size And Capacity Equipment	188
				2.4324	Replace Hydraulic / Pneumatic Equipment With Electric Equipment	101
				2.4325	Upgrade Conveyors	14
	2.5	Industrial Design				395
		2.51	Systems			395
			2.511	Thermal		62
				2.5111	Convert From Indirect To Direct Fired Systems	34
				2.5112	Use Continuous Equipment Which Retains Process Heating Conveyors Within The Heated Chamber	2
				2.5113	Use Direct Flame Impingement Or Infrared Processing For Chamber Type Heating	11
				2.5114	Use Shaft Type Furnaces For Preheating Incoming Material	2
				2.5115	Reposition Oven Walls To Reduce Heated Space	9
				2.5116	Use Excess Cold Process Fluid For Industrial Cooling Needs	2
				2.5117	Convert To Indirect Temperature Control System	2
			2.512	Mechanical		122
				2.5121	Redesign Flow To Minimize Mass Transfer Length	21
				2.5122	Replace High Resistance Ducts, Pipes, And Fittings	14
				2.5123	Reduce Fluid Flow Rates	68
				2.5124	Use Gravity Feeds Wherever Possible	6
				2.5125	Size Air Handling Grills/ Duct/s Coils To Minimize Air Resistance	13
			2.519	Miscellaneous		211
				2.5191	Modify Dye Beck	23
				2.5192	Modify Textile Dryers	30
				2.5193	Convert From Batch To Continuous Operation	2
				2.5194	Redesign Process	120
				2.5195	Change Product Design To Reduce Energy Requirements	21
				2.5196	Use Small Number Of High Output Units Instead Of Many Small Inefficient Units	15
				2.5197	Avoid Electrically-powered Animated Displays	0
	2.6	Operations				4,569
		2.61	Maintenance			468
			2.612	General		469
				2.6121	Reduce Hot Water Temperature To The Minimum Required	315
				2.6122	Adjust Vents To Minimize Energy Use	28
				2.6123	Remove Unneeded Service Lines To Eliminate Potential Leaks	4
				2.6124	Establish Equipment Maintenance Schedule	70
				2.6125	Keep Equipment Clean	22
				2.6126	Keep Solid Fuels / Raw Materials Dry	6
				2.6127	Maintain Air Filters By Cleaning Or Replacement	22
		2.62	Equipment Control			4,101
			2.621	Equipment Use Reduction		2,334
				2.6211	Conserve Energy By Efficient Use Of Vending Machines	122
				2.6212	Turn Off Equipment During Breaks, Reduce Operating Time	819
				2.6213	Turn Off Steam / Hot Water Lines Leading To Space Heating Units	11
				2.6214	Shut Off Pilots In Standby Equipment	123
				2.6215	Shut Off Air Conditioning In Winter Heating Season	7
				2.6216	Shut Off Cooling Water When Not Required	22
				2.6217	Shut Off All Laboratory Fume Hoods When Not In Use	11
				2.6218	Turn Off Equipment When Not In Use	1,219
			2.622	Equipment Scheduling		332
				2.6221	Use Most Efficient Equipment At It's Maximum Capacity And Less Efficient Equipment Only When Necessary	244
				2.6222	Use Drying Oven (batch Type) On Alternate Days Or Other Optimum Schedule To Run Equipment With Full Loads	56
				2.6223	Schedule Use Of Elevators To Conserve Energy	9
				2.6224	Schedule Baking Times Of Small And Large Components	12
				2.6225	Eliminate Third Shift	6
				2.6226	Optimize Filtration Cleaning / Replacement To Minimize Air Resistance	5
			2.623	Equipment Automation		1,319
				2.6231	Utilize Controls To Operate Equipment Only When Needed	406
				2.6232	Install Set-back Timers	913
			2.624	Load Reduction		116
				2.6241	Reduce Temperature Of Process Equipment When On Standby	30
				2.6242	Minimize Operation Of Equipment Maintained In Standby Condition	86
	2.7	Building And Grounds				29,248
		2.71	Lighting			20,775
			2.711	Level		1,724
				2.7111	Reduce Illumination To Minimum Necessary Levels	1,582
				2.7112	Reduce Exterior Illumination To Minimum Safe Level	142
			2.712	Operation		1,694
				2.7121	Utilize Daylight Whenever Possible In Lieu Of Artificial Light	427
				2.7122	Disconnect Ballasts	260
				2.7123	Keep Lamps And Reflectors Clean	182
				2.7124	Make A Practice Of Turning Off Lights When Not Needed	825
			2.713	Controls		3,869
				2.7131	Add Area Lighting Switches	131
				2.7132	Install Timers On Light Switches In Little Used Areas	197
				2.7133	Use Separate Switches On Perimeter Lighting Which May Be Turned Off When Natural Light Is Available	187
				2.7134	Use Photocell Controls	622
				2.7135	Install Occupancy Sensors	2,732
			2.714	Hardware		13,489
				2.7141	Lower Light Fixtures In High Ceiling Areas	103
				2.7142	Utilize Higher Efficiency Lamps And/or Ballasts	9,834
				2.7143	Use More Efficient Light Source	2,848
				2.7144	Install Spectral Reflectors / Delamp	406
				2.7145	Install Skylights	296
		2.72	Space Conditioning			5,564
			2.721	Maintenance		57
				2.7211	Clean And Maintain Refrigerant Condensers And Towers	22
				2.7212	Install Or Upgrade Insulation On Hvac Distribution Systems	35
			2.722	Operation		1,656
				2.7221	Lower Temperature During The Winter Season And Vice-versa	473
				2.7222	Air Condition Only Space In Use	151
				2.7223	Condition Smallest Space Necessary	75
				2.7224	Reduce Space Conditioning During Non-working Hours	422
				2.7225	Close Outdoor Air Dampers During Warm-up / Cool-down Periods	7
				2.7226	Use Computer Programs To Optimize Hvac Performance	397
				2.7227	Use Water On Air Conditioning Exchanger To Improve Heat Transfer And Increase Air Conditioner Efficiency	19
				2.7228	Avoid Introducing Hot, Humid, Or Dirty Air Into Hvac System	112
			2.723	Hardware - Heating / Cooling		876
				2.7231	Use Radiant Heater For Spot Heating	384
				2.7232	Replace Existing Hvac Unit With High Efficiency Model	345
				2.7233	Use Properly Designed And Sized Hvac Equipment	115
				2.7234	Use Heat Pump For Space Conditioning	25
				2.7235	Install Fossil Fuel Make-up Air Unit	7
			2.724	Hardware - Air Circulation		961
				2.7241	Install Outside Air Damper / Economizer On Hvac Unit	277
				2.7242	Change Zone Reheat Coils To Variable Air Volume Boxes	10
				2.7243	Improve Air Circulation With Destratification Fans / Other Methods	585
				2.7244	Revise Smoke Cleanup From Operations	19
				2.7245	Use Direct Air Supply To Exhaust Hoods	70
			2.725	Evaporation		103
				2.7251	Reduce Air Conditioning Load By Evaporating Water From Roof	54
				2.7252	Utilize An Evaporative Air Pre-cooler Or Other Heat Exchanger In Ac System	49
			2.726	Controls		1,815
				2.7261	Install Timers And/or Thermostats	1,774
				2.7262	Separate Controls Of Air Handlers From Ac/ Heating Systems	18
				2.7263	Lower Compressor Pressure Through A/c System Modification	9
				2.7264	Interlock Heating And Air Conditioning Systems To Prevent Simultaneous Operation	14
			2.727	Humidity Control		29
				2.7271	Replace Electric Reheat With Heat Pipes	8
				2.7272	Install Heat Pipes / Raise Cooling Setpoint	7
				2.7273	Install Desiccant Humidity Control System	14
			2.729	Miscellaneous		67
				2.7291	Reschedule And Rearrange Multiple-source Heating Systems	28
				2.7292	Lower Ceiling To Reduce Conditioned Space	31
				2.7293	Install Dry Sprinkler System Or Other Method To Reduce Heating Requirements	8
		2.73	Ventiltion			552
			2.731	General		552
				2.7311	Ventilation System To Shut Off When Room Is Not In Use	21
				2.7312	Minimize Use Of Outside Make-up Air For Ventilation Except When Used For Economizer Cycle	87
				2.7313	Recycle Air For Heating, Ventilation And Air Conditioning	78
				2.7314	Reduce Ventilation Air	221
				2.7315	Reduce Building Ventilation Air To Minimum Safe Levels	91
				2.7316	Centralize Control Of Exhaust Fans To Ensure Their Shutdown, Or Establish Program To Ensure Manual Shutdown	54
		2.74	Building Envelope			2,357
			2.742	Solar Loading		107
				2.7421	Reduce Glazed Areas In Buildings	29
				2.7422	Plant Trees Or Shrubs Near Windows To Shield From Sunlight	41
				2.7423	Reduce Heat Gain By Window Tinting	10
				2.7424	Shade Windows From Summer Sun	7
				2.7425	Clean Or Color Roof To Reduce Solar Load	20
			2.7