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. Residential System Sizing Calculation <br /> Summary <br /> Project Title: <br /> 38826 4th Ave. The Seven Springs Keystone Challenge 1254 <br /> Zephyrhills, Fl 33542- <br /> 5/24/2010 <br /> Location for weather data: Tampa, FL - Defaults: Latitude(27.97) Altitude(10 ft.) Temp Range(M) <br /> Humidity data: Interior RH (50 %) Outdoor wet bulb (78F) Humidity difference(56qr.) <br /> Winter design temperature(MJ8 99 %) 40 F Summer design temperature(MJ8 99 %) 95 F <br /> Winter setpoint 70 F Summer setpoint 75 F <br /> Winter temperature difference 30 F Summer temperature difference 20 F <br /> Total heating Toad calculation 17158 Btuh Total cooling load calculation 19646 Btuh <br /> Submitted heating capacity % of calc Btuh Submitted cooling capacity % of calc Btuh <br /> Total (Electric Heat Pump) 139.9 24000 Sensible (SHR = 0.75) 119.2 17700 <br /> Heat Pump + Auxiliary(0.0kW) 139.9 24000 Latent 122.9 5900 <br /> Total (Electric Heat Pump) 120.1 23600 <br /> WINTER CALCULATIONS <br /> Winter Heating Load (for 1254 soft) ,W;ntlewe« %) <br /> Load component Load Ducte(2o %) Ceengs(7 %) <br /> Window total 90 soft 1274 Btuh <br /> Wall total 1004 sqft 3788 Btuh <br /> Door total 60 sqft 720 Btuh <br /> Ceiling total 1254 soft 1198 Btuh <br /> Floor total 1254 sqft 4319 Btuh 4Yelb(22 %) <br /> Infiltration 75 cfm 2482 Btuh <br /> Duct loss 3377 Btuh <br /> Subtotal 17158 Btuh Doorai ..%) <br /> Ventilation 0 cfm 0 Btuh <br /> TOTAL HEAT LOSS 17158 Btuh Fbors(25 %> <br /> SUMMER CALCULATIONS <br /> Summer Cooling Load (for 1254 soft) <br /> Load component Load <br /> Window total 90 soft 1307 Btuh <br /> Wall total 1004 sqft 2081 Btuh <br /> Door total 60 soft 744 Btuh <br /> Ceiling total 1254 soft 1797 Btuh LatentinterneUl1 %) ■nn°e" "11 %) <br /> Floor total 0 Btuh Ceungat.9 %) <br /> Infiltration 38 cfm 846 Btuh <br /> Internal gain 3720 Btuh <br /> Duct gain 4351 Btuh ^t.Gen (79 %) ,held( „ %) <br /> Sens. Ventilation 0 cfm 0 Btuh <br /> Blower Load 0 Btuh DoomA %) <br /> Total sensible gain 14846 Btuh <br /> Latent gain(ducts) 1136 Btuh <br /> mint 02%) <br /> Latent gain(infiltration) 1464 Btuh <br /> Latent gain(ventilation) 0 Btuh Ducte23 %) <br /> Latent gain(internal /occupants /other) 2200 Btuh <br /> Total latent gain 4800 Btuh <br /> TOTAL HEAT GAIN 19646 Btuh <br /> EnergyGauge® System Sizing + n <br /> 8th Edition PREPARED B : 1\� <br /> _ DATE: I. 1 <br /> MAkUIRL <br /> ~ EnergyGauge® / USRFZB x2.8 <br />