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Residential System Sizing Calculation <br /> Summary <br /> Marsella Construction Inc. Project Title: <br /> 5526 12th St P296 <br /> Zephyrhills, FL 33542 <br /> 4/28/2017 <br /> Location for weather data: Lakeland, FL -Defaults: Latitude(27.98) Altitude(214 ft.) Temp Range(M) <br /> Humidi data: Interior RH 50% Outdoor wet bulb 76F Humid1tv difference 48 r. <br /> Winter design temperature(TMY3 99%) 32 F Summer design temperature(TMY3 99%) 93 F <br /> Winter setpoint 70 F Summer setpoint 75 F <br /> Winter temperature difference 38 F Summer temperature difference 18 F <br /> Total heating load calculation 26446 Btuh Total cooling load calculation 23040 Btuh <br /> Submitted heating capacity %of calc Btuh Submitted cooling capacity % of calc Btuh <br /> Total(Electric Heat Pump) 124.8 33000 Sensible(SHR= 0.75) 151.1 25875 <br /> Heat Pump+Auxiliary(O.OkW) 124.8 33000 Latent 145.9 8625 <br /> Total Electric Heat Pump) 149.7 34500 <br /> WINTER CALCULATIONS <br /> Winter Heating Load for 1775 sclffl <br /> Load component Load <br /> Window total 178 sqft 2699 Btuh "lattsiza %I <br /> Wall total 1533 sqft 6478 Btuh Ceilings{o5h, <br /> Door total 82 sqft 1243 Btuh <br /> Ceiling total 1775 sqft 1712 Btuh :':�ndows(_10295} <br /> Floor total 1775 sqft 8520 Btuh <br /> Infiltration 0 cfm 0 Btuh <br /> Duct loss 4549 Btuh v:maa,�5si <br /> Subtotal 26201 Btuh FI.ors(32 21.) <br /> Ventilation 30 cfm 1246 Btuh <br /> TOTAL HEAT LOSS 1 26446 Btuh °ucisit7.2�0) <br /> SUMMER CALCULATIONS <br /> Summer Coolin Load for 1775 sciffl <br /> Load component Load <br /> Window total 178 sqft 3321 Btuh <br /> Wall total 1533 sqft 2486 Btuh wallsoo.8°r6J. <br /> Door total 82 sqft 949 Btuh Ceilings(8.4%) <br /> Ceiling total 1775 sqft 1937 Btuh Ooors�4.1%j <br /> Floor total 0 Btuh <br /> Infiltration 0 cfm 0 Btuh 'A'indows(14.49'0l <br /> Internal gain 2120 Btuh <br /> Duct gain 5727 Btuh <br /> Sens.Ventilation 30 cfm 590 Btuh <br /> Blower Load 0 Btuh pucts(30.9°51 Vent(a.8%l <br /> Total sensible gain 17130 Btuh . <br /> Latent gain(ducts) 1388 Btuh <br /> Latent gain(infiltration) 0 Btuh <br /> Latent gain(ventilation) 973 Btuh Latent inti15:4%i <br /> Latent gain(internal/occupants/other) 3550 Btuh Int.Gain(9.2%1 <br /> Total latent gain 5911 Btuh <br /> TOTAL HEAT GAIN 23040 Btuh <br /> EnergyGauge®System Sizing <br /> 8th Edition PREPARED BY: Navarrete Drafting Inc. <br /> ^i DATE: 04/2817 <br /> EnergyGauge®/USRCZB v5.0 <br />