And in cold climates multiply the square foot number by 30 - 40. But think about days of sunshine during winter too. To help you out we have created two useful resources for this: The energy density (BTUs per CFH) for natural gas and propane are not the same; hence 2 calculators and 2 charts. So, use the calculator and input different efficiency ratings based on the furnaces you might be considering. Jan 2023 Heating Costs Update: Due to unprecedented recent increase in cost of all heating fuel types, average cost of Natural Gas has increased by as much as $0.50 per Therm, Heating Oil is around $5/gallon & Propane has gone up by $0.90/gallon. WebIn warmer climates, multiply this number by 10 - 15. Youll be shopping for furnaces in two tiers: 80% and 90% to 99%. If you like it toasty inside, use the warmer zone (lower number). %. The image below shows how much attic insulation your home should have. If your 3,000 square foot home in Nebraska needs 225,000 BTUs of heat to keep it warm, you might need to divide the space up and use a 140,000 BTU furnace for the main 2,000 square feet of the house and a second 90,000 BTU furnace for the bedroom wing, upper floor or other section of the home. The amount you calculate for an appliance's BTU capacity should be close to the nameplate "input" BTUH on the device. *The fuel content of the volume of natural gas can vary. WebConvert 1 Cubic Foot Of Natural Gas to BTU (cu ft nat gas to BTU) with our conversion calculator and conversion tables. It is a unit to measure the heat energy produced by fuels, in Webenergy content in natural gas 1000 Btu/ft 3 (37.26 MJ/m 3) steel pipes schedule 40; For natural gas the nominal BTU/ft 3 varies from about 900 to 1100 BTU/ft 3. NOTE: Gas consumption data is merely for estimating purposes. Both ft3 and m3 are units to measure the volume of the gas. See local cost of 30,000 BTU Heating Unit. 1 MJ/m3 = 26.83 BTU/SCF (British thermal unit / cubic foot) The heat content of natural gas might be different in various countries. Decide mathematic question. That is because 1 CFH of natural gas contains 1037 BTU of energy, according to the US Energy Information Administration. How Many BTU Do Furnaces Make? New Furnace Replacement and Installation Cost, Adequately heated in even the most extreme cold, Sized to not waste energy or equipment costs by buying a furnace that is too big. The doors and windows are in good condition you dont feel any drafts and its never extra-cold when you stand next to them. Typical values are in the range 0.6 - 0.7. This table can help you get an estimated BTU for gas or propane furnace easily. 1 Cubic Foot (CF) = approx 1000 BTUs; 1 CFH = 1 MBH; The specific gravity of natural gas varies from 0.55 to 1.0. As an example, an unheated Boston home during winter could reach temperatures as low as -5F. Calculate heating BTU needed in four easy steps. The Pick HVAC Furnace Sizing Calculator gives results with BTU sizes over 200,000 BTUs. Jan 2023 Heating Costs Update: Due to unprecedented recent increase in cost of all heating fuel types, average cost of Natural Gas has increased by as much as $0.50 per Therm, Heating Oil is around $5/gallon & Propane has gone up by $0.90/gallon. Calculator + Chart (Natural Gas), Average Gas Bill For 1-Bedroom Apartment: State-By-State Cost Analysis, Average Electricity Bill For 4 Person Household (Survey Analysis), How Many kWh Per Day Is Normal? Here are these two equations: As we can see, to calculate BTU from the CFH of natural gas, we have to multiply CFHs by 1037. Decide mathematic question. This can be the back corner of the living room behind a couch, the bathroom with no vent and a big window, or the laundry room. The Greenhouse Gas Equivalencies Calculator uses the eGRID U.S. national annual average CO 2 Therms and Mcf of natural gas. In a warm climate, experiment with 80% and 90% to 92%. This doesnt consider the waste 5% in a 95% AFUE furnace and 20% in an 80% AFUE furnace, for example. 1 For natural gas the nominal BTU/cf varies from about 900 to 1100 BTU/cf. Perhaps the windows have been replaced, but youre unsure of their quality. How Many Square Feet Will 30,000 120,000 BTU Furnace Heat? All you have to do is enter the quantity in the unit of your choice and make sure you select the proper unit for the output. WebGas calculator - equation. 1 BTU = 0.293 watt hours; 100,000 BTU = 1 therm; 3,413 BTU = 1 kilowatt hour; Common BTU ratings. Please enable scripts and reload this page. Rene has worked 10 years in the HVAC field and now is the Senior Comfort Specialist for PICKHVAC. Energy Conversion Calculator. The natural gasoline equipment calculator is an estimate fee of home equipment. This chart is based on low pressure natural gas (14" W.C.) with a dynamic pressure drop of no more than .30" W.C. in thousands. The Greenhouse Gas Equivalencies calculator allows you to convert emissions or energy data to the equivalent amount of carbon dioxide (CO 2) emissions from using that Many air heating applications use steam or hot water coils to heat the air. You can use it to answer the common questions like: At some point, depending on the climate, you have to begin to think about more than one heating device furnace, boiler, heat pump, etc., for your home. Natural gas has roughly 1,050 BTUs per cubic foot (0.028 cubic meters). Thermal resistance, which is a measure of a material's resistance to heat flow, is indicated by a material's R-value. Youll need between about 180,000 and 280,000 total BTUs for your home based on the climate and house factors considered in the calculator. Natural gas has roughly 1,050 BTUs per cubic foot (0.028 cubic meters). The Greenhouse Gas Equivalencies Calculator uses the eGRID U.S. national annual average CO 2 Therms and Mcf of natural gas. For example, a room 24 feet long and 15 feet wide is 360 square feet. If your climate is cold, an 80% furnace might not even be available. WebNatural Gas Unit Conversion Calculator. For example, a home owner in Atlanta might want to determine their BTU usage during winter. Natural gas can be measured in terms of its volume and the amount of heat or energy it generates. Thats a wide difference, essential one furnace being twice as large as the other, so the size factors are discussed to help you narrow down the right BTUs needed for your home. Solve Now. One cubic foot (0.028 cubic meters) of propane contains about 2,516 BTUs Switch between twenty different units with this power converter! 1 You might also want to consider this question: How much sun does your climate get? WebHeating BTU Calculator Room Dimensions (in feet) Length: Width: Ceiling Height: Insulation: Lowest Outside Temperature: Btu/Hr Required: Vent Free Heaters Vented Heaters Gas Unit Heaters Not sure which unit is right for you? Divide the energy transfer rate in BTUs per hour by 100,000, which is the number of BTUs in a therm. If it is unheated, then dont. The maximum allowable BTU/Hr will be visible where the two lines intersect. Furnaces rarely run for an hour straight, but thats how they are rated. It will vary due to the material, sill of the operator in the working conditions. Most top brands Carrier, Trane, Lennox, Rheemand all the others, make furnaces with heating capacities of 40,000 or 50,000 BTUs on the low end to 120,000 to 140,000 BTUs on the upper end. Web1 Cubic Foot of Natural Gas: 1000 BTU IT: 1 British Thermal Unit (International Table): Most common use of term BTU in everyday language. Table of Furnace Sizing by Square Footage. BTUH = BTUs per hour . What size furnace do I need for a 1,000 square foot home? WebThis Natural Gas conversion calculator is a unit conversion tool dedicated to the units used in measuring natural gas. Given that the desired temperature of the residents is 75F, the desired temperature increase would be 75F - 30F = 45F. wood cord. Atlanta winters tend to hover around 45F and temperatures may fall as low as 30F occasionally. We rely on readers like you to share your HVAC system cost or quote. 1 BTU = 0.293 watt hours; 100,000 BTU = 1 therm; 3,413 BTU = 1 kilowatt hour; Common BTU ratings. For exact measurements, you have two options that will work well enough. Propane BTU Calculator: How Much Propane Does a Heater Use? %. In general it is common to set. You can get more accurate answers thourgh our BTU heating calculator. WebJust insert the BTUs in the equation, and you can calculate the number of cubic feet of natural gas that contains 200,000 BTU of heat content like this: Cubic Feet (200,000 BTU) = 200,000 BTU / 1037 = 192.86 Cubic Feet Of Natural Gas. Use the content above to get the most accurate gas furnace sizing calculator available anywhere. WebThe British Thermal Unit, or BTU, is an energy unit. For example: 85% x 1,031 = 876 + 10% x 1,075 = 108 + 3% x 1 ,265 = 38 + 2% x 2 , 488 = 100 4. 800 British Thermal Units to Cubic Feet Of Natural Gas = 0.8. as the decimal separator. Methane, CH 4. BTU can also be used pragmatically as a point of reference for the amount of heat that an appliance generates; the higher the BTU rating of an appliance, the greater the heating capacity. Thermostats placed in dead spots can inaccurately manage the temperatures of homes. In terms of being sealed, is your homes exterior covered in house wrap like Tyvek? The quick answer is60,000-80,000 BTUsbased on different climate zones. The more the condenser is exposed to direct sunlight, the harder it must work due to the higher surrounding air temperature, which consumes more BTUs. Thirdly, if you have a furnace salesperson in to give you a quote, youll be able to knowledgeably discuss furnace sizing with them, so you will feel in charge of the process rather than wondering what they are talking about! Turn off more accessible mode. Climate Zone: Find your location on the map.Pro tip: If youre on or near the border between Zones, choose the higher number/cooler Zone. The calculator will automatically convert your number and display the result in the other unit fields. These applications will - due to browser restrictions - send data between your browser and our server. The units to measure natural gas in terms of volume are: Our volume conversion tool can help you if you need to know which one of these units is more suited for your needs! Shortly: it shows how much energy (in megajoule) is released while combusting 1 cubic meter of natural gas. Sample Name: All values should be entered as mole %, unless otherwise noted. The smallest gas furnaces start at about 30,000 BTU per hour, or BTU/h. We assumed 102,000 Btu/CCF in our calculations. Use the Pick HVAC Gas Furnace Sizing Calculator, and when you get estimates from furnace contractors in your area, youll have a very clear understanding of what to expect. If one MCF costs $9.00: Divide the price per MCF by 1,028,000 to get the price per BTU: $0.00000875486. Here is an example how to use the above calculator: Lets say you have a 2,500 sq ft two-story home in Chicago. Find where you live, and input the zone. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit. Running fans can help to distribute temperatures evenly across the whole room or house. WebThe calculator provides indicative conversion of gas consumption in cubic metres to kilowatt-hours and other units. WebBTU (Natural Gas) = CFH Of Natural Gas 1037 BTU (Propane) = CFH Of Propane 2517 As we can see, to calculate BTU from the CFH of natural gas, we have to multiply CFHs by 1037. Cost to operate = usage (hours or load) x (BTUs/100,000) x price per therm OR Cost to Operate = usage (hours or load) x therms x price per therm. Free time to spend with your family and friends. As for air conditioning in homes, even though ACs are meant to cool homes, BTUs on the technical label refer to how much heat the air conditioner can remove from their respective surrounding air. (State-By-State Chart), How To Convert Therms To kWh? Its a wide range. Pretty simple. If your home is surrounded by tall trees that shade the walls and the roof and few are then choose Heavily shaded. If one MCF costs $9.00: Divide the price per MCF by 1,028,000 to get the price per BTU: $0.00000875486. WebLets say you have a furnace with a BTU rating of 100,000 and your gas bill is measured in MCFs. Math equations can be difficult to deal with, but with practice, they can become easier. Make sure only one gas appliance is on and keep an eye on the gas meter to see how long it takes to utilize one cubic foot of gas. NG Default Clear Form. What size furnace do I need for a 3,000 square foot house? Our results are the easiest to understandbecause we list them by the furnace AFUE you choose and the number of BTUs required for your home. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit. Methane, CH 4. He holds an HVAC associate degree from Lone Star College and EPA & R-410A Certifications. These are quick answers. Math equations can be difficult to deal with, but with practice, they can become easier. With these two equations, we can convert CFH to BTU via a simple calculator you will find here (1st calculator for natural gas and 2nd calculator for propane). WebJust insert the BTUs in the equation, and you can calculate the number of cubic feet of natural gas that contains 200,000 BTU of heat content like this: Cubic Feet (200,000 BTU) = 200,000 BTU / 1037 = 192.86 Cubic Feet Of Natural Gas. Using our rounded safe number of 1000 BTU per cubic foot on natural gas the required flow rate for this new unit heater would be 1000 CFH (100,000 1000) Heating Air with Natural Gas . Similarly, to calculate BTU from the CFH of propane, we have to multiply CFHs by 2517. This is a volumetric flow of gas that we use we can find on home energy meters (GFH on the gas meter). as the decimal separator. Ceiling fan usage. Carbon dioxide emissions per therm are determined by converting million British thermal units (mmbtu) to therms, then multiplying the carbon coefficient times the fraction oxidized times the ratio of the Following that, we do the math for readers that prefer a quick, accurate answer to what size furnace do I need?. We don't save this data. Along with the factors discussed above and their effect on BTU usage, there are other factors to keep in mind: e.g. The number of residents. To get this number in units of BTU, you would multiply it by 1000000, which would give you a total of 35300 BTU in an m 3 of gas. A 100,000 to 160,000-plus BTU furnace. The largest gas furnaces create about 140,000 BTU/h. as the decimal separator. Methane, CH 4. Cost to operate = usage (hours or load) x (BTUs/100,000) x price per therm OR Cost to Operate = usage (hours or load) x therms x price per therm. Many air heating applications use steam or hot water coils to heat the air. This chart is based on low pressure natural gas (14" W.C.) with a dynamic pressure drop of no more than .30" W.C. in thousands. Thats 1,500 square feet. BTU stands for British Thermal Units. As a general rule of thumb, a temperature between 70 and 80F is a comfortable temperature for most people. The desired temperature change is the necessary increase/decrease from outdoor temperature to reach the desired indoor temperature. It is an exact measurement that can be applied to most heating equipment. WebHow to use Kohler's Home Generator Sizing Calculator. Break down the home into rectangles. In a cubic meter or foot of natural gas, how many BTUs are there? Propane, C 3 H 8. Turn off more accessible mode. PickHVAC is also a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. Our Furnace BTU Calculator tells you how much heat how many BTUs you need to keep your home warm in winter. WebThis page features online conversion from normal cubic meter of natural gas to British Thermal Unit.These units belong to different measurement systems. In more moderate climates, multiply by 20 - 30. Rene has worked 10 years in the HVAC field and now is the Senior Comfort Specialist for PICKHVAC. In general it is common to set. The color of the roof. Natural gas is one of the most widely used fuels worldwide, and has many units of measurement based on what we're using it for. Know your Numbers! 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hours, or the energy released by burning one match. A BTU describes the energy content or heat value of fuels. Generator Size (kW) It is possible to try and place shady trees around the condenser, but keep in mind that condensers also require good surrounding airflow for best efficiency. Typical values are in the range 0.6 - 0.7. WebOne cubic foot (0.028 cubic meters) of natural gas contains about 1,050 BTUs or 1,037 BTUs (US EIA) One cubic meter (35.3 cubic feet) of natural gas contains about 36,303 BTUs How many BTUs are in a gallon of LP gas or propane? The smaller furnace would adequately heat your home on all but the coldest days, but it still makes sense to ensure your home is cozy every day of a cold winter. If you get stuck or have any other questions, you can use the comment section below, give us some numbers, and we will help you out. WebSelect Gas Type: Calculate. The Goodman GCVM97 gas/propane furnace is advertised as a, Modulating, Variable-Speed ECM Gas Furnace Up to 98% AFUE Heating Input: 60,000120,000 BTU/h. Home Size: Enter the square footage of your home. While BTU/h, how many BTUs of heat the unit can create in one hour, is the technical specification, most heating equipment such as propane, oil and gas furnaces are rated simply by BTUs or BTU. The results show the most common furnace size for each scenario. 4. OK, weve taken the time to input data for common home sizes, climates, etc. Our cubic feet calculator has the answer! A furnace that is too large will waste energy and create warm spots at grates near the furnace before the cycle ends. In general it is common to set. Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse! Computing BTUH: Technical Note: You can calculate your gas-fired equipments BTUs per hour of gas usage. WebConvert 1 Cubic Foot Of Natural Gas to BTU (cu ft nat gas to BTU) with our conversion calculator and conversion tables. This allows many different commodities with intrinsic energy properties, such as natural gas and oil, to be compared and contrasted. Secondly, youll get an accurate result when sizing your furnace. air). Carbon dioxide emissions per therm are determined by converting million British thermal units (mmbtu) to therms, then multiplying the carbon coefficient times the fraction oxidized times the ratio of the document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2014-2023, PICKHVAC All Rights Reserved. How is natural gas usage calculated? 10 British Thermal Units to Cubic Feet Of Natural Gas = 0.01. Make sure neighboring vegetation does not interfere with the condenser, blocking air flow into the unit and choking it. 9 British Thermal Units to Cubic Feet Of Natural Gas = 0.009. WebThis page features online conversion from normal cubic meter of natural gas to British Thermal Unit.These units belong to different measurement systems. If you dont know, if your home is older and hasnt been remodeled, or if you can feel drafts coming in around windows and doors, choose Poor. 1 BTU = 0.293 watt hours; 100,000 BTU = 1 therm; 3,413 BTU = 1 kilowatt hour; Common BTU ratings. Pro tip: If youre on or near the border between Zones, choose the higher number/cooler Zone. - free apps for offline use on mobile devices. How many BTU do I need for a 2,000 square foot home? Use the content above to get the most accurate gas furnace sizing calculator available anywhere. Conversion table. WebBtu to cfh conversion natural gas calculator. The grams to cups calculator converts between cups and grams. For example: 85% x 1,031 = 876 + 10% x 1,075 = 108 + 3% x 1 ,265 = 38 + 2% x 2 , 488 = 100 4. Average 1-6 Person Home kWh Usage, Gas Vs Electric Water Heater Monthly Cost Comparison (State-By-State), Water Heating Costs For 1,2,3,4,5,6 Family Homes (State-By-State Analysis), Electric Water Heating Cost, kWh Usage Per Month (State-By-State RECS Analysis), What Is W2 Wire On Thermostat? How is natural gas usage calculated? Our heating BTU calculator takes those very important factors into account, so, for example, if you have a question like, how many BTU do I need toheat 1,500 square feet? Both factors make a difference that a simple size/climate gas furnace size calculator doesnt consider. We assumed 102,000 Btu/CCF in our calculations. Lets start with this very useful map. Multiply each components percentage by its heating value to find the total heating value of the natural gas sample. When there are 6 or more corners on the house, the calculation is a little trickier. 1 ft3 = 1,039 BTU The steps to convert from ft 3 to BTU are: Note down the quantity in ft 3; Multiply it by 1,039; and The result is the quantity in BTU. WebIf the price for natural gas is based on $ per 1,000 cubic feet, divide that number by 10 to enter above. 1 ft 1,037 Btu. For example, lets say you live in Memphis, TN, which is in the northern tier of Zone 3 in western TN. Web1 Cubic Foot of Natural Gas: 1000 BTU IT: 1 British Thermal Unit (International Table): Most common use of term BTU in everyday language. This type of heating equipment is growing in popularity, especially where free or cheap wood is readily available. What Is Mbh for Furnace (Convert Mbh to Btu). For example, if youre trying to heat 1000 square feet in a cold climate, 30,000 - 40,000 BTUs will add significant warm air to your home. A furnace or space heater that is too small wont adequately heat your home on the coldest winter days. The most common sizes are from about 70,000 to 120,000 BTU/h. The specific gravity of natural gas varies from 0.55 to 1.0. WebThis page features online conversion from standard cubic foot of natural gas to British Thermal Unit.These units belong to different measurement systems. See our Wood Furnace/Boiler Reviews and Buying Guide for details. Type in the number of square feet in your home all heated areas. How to use it? Conversion table. Please enable scripts and reload this page. WebCFH to BTU Calculator for natural gas, accompanied by a Natural Gas CFH To BTU Chart converting flows from 1 CFH to 1000 CFH to BTUs (1037 BTU to 1,037,000 263+ PhD Experts 3 Years in business Energy Conversion Calculator. It can be difficult to tell. Q: What size furnace do I need for a 1000 sq ft home? For most consumers in Canada, theres a natural gas meter on the outside The higher the R-value of a certain material, the more resistant it is to heat transfer. Contact us at 877-847-0050 or email sales@TotalHomeSupply.com Total Home Supply Use the Pick HVAC Gas Furnace Sizing Calculator, and when you get estimates from furnace contractors in your area, youll have a very clear understanding of what to expect. If you answer yes to the house wrap and window/doors questions, then choose Good or Average in the Insulation box. Decide mathematic question. For natural gas the nominal BTU/cf varies from about 900 to 1100 BTU/cf. The correct rating is BTU/hour, or BTU/h, meaning how much heat does the equipment create in one hour of constant operation. (1000-3000+ Sq Ft Homes), Thermostat Says Heat On But No Heat? WebGas calculator - equation. WebBTU Calculator A BTU or British thermal unit is a unit of energy. The deeper the color, the more sunny the climate. Energy required to raise the temperature of 1lb of water by 1F. Conversion table. 1 ft 1,037 Btu. This will NEVER affect our opinion of a product or service! In general it is common to set. It is sold or purchased in terms of the required volume. Manufacturers list their furnaces by input how many BTUs of heat does this furnace create? Rooms furthest from the heater might become uncomfortably cool spots in your house. The amount you calculate for an appliance's BTU capacity should be close to the nameplate "input" BTUH on the device. For large homes, how that heat is produced, through one furnace or two, is best determined by considering the floor plan of your home and what space is occupied most frequently and during what times of the day. Add all of the products together to find the total heating value of natural gas as 876 + 108 + 38 + 100 = 1120 Btu/scf. So, what is the answer? Solve Now. Take a look at the choices available in our tool there's way more options to choose from than what's mentioned above. ($0.05 $0.22/h), How Much Does 1000 Watts Cost Per Hour? For example, in Hungary, the heat value of natural gas has an average of 34.12 MJ/M3. You may be trying to access this site from a secured browser on the server. WebGas calculator - equation Cost to operate = usage (hours or load) x (BTUs/100,000) x price per therm OR Cost to Operate = usage (hours or load) x therms x price per therm Conversion table 1 BTU = 0.293 watt hours 100,000 BTU = 1 therm 3,413 BTU = 1 kilowatt hour Common BTU ratings Boilers: 100,000 - 200,000 BTUs/hr* It is a unit to measure the heat energy produced by fuels, in In other words, the money spent will be quickly gained back through lower energy bills. WebThe British Thermal Unit, or BTU, is an energy unit. WebGas calculator - equation Cost to operate = usage (hours or load) x (BTUs/100,000) x price per therm OR Cost to Operate = usage (hours or load) x therms x price per therm Conversion table 1 BTU = 0.293 watt hours 100,000 BTU = 1 therm 3,413 BTU = 1 kilowatt hour Common BTU ratings Boilers: 100,000 - 200,000 BTUs/hr* %. This will NEVER affect our opinion of a product or service! WebOne cubic foot (0.028 cubic meters) of natural gas contains about 1,050 BTUs or 1,037 BTUs (US EIA) One cubic meter (35.3 cubic feet) of natural gas contains about 36,303 BTUs How many BTUs are in a gallon of LP gas or propane? WebGAS PIPE SIZING CHART. The conversion factor between cubic feet and cubic meters is: The conversion between the BTU and ft is based on: The steps to convert from ft3 to BTU are: BTU stands for British Thermal Units. You may also want an aveargefurnace BTU per square foot rule of thumb to help you calculate the furnace size without an online calculator. The first one is from Natural Gas Energy Equivalent.The second one is from British And American. For example, if youre trying to heat 1000 square feet in a cold climate, 30,000 - 40,000 BTUs will add significant warm air to your home. After you enter all the data, you will get 90,000 BTUs from the calculator. Why You Need to Drain Condensate for High Efficiency Furnace? Your house was built in 2005 with a good insulation. 200,000 BTU is equal to 192.86 CF of natural gas. WebFuels like oil and natural gas can have minor differences in their BTU content but it's a negligible amount. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected. Convert emissions or energy data into concrete terms you can understand such as the annual CO 2 emissions of cars, households, and power plants.. BTUs/hr; Gas Fireplace (trendy) 25,000 35,000 BTUs/hr; Generator (standby). You also can convert 1 Cubic Foot Of Natural Gas to other energy units. Cost of electricity has gone up by $0.02 $0.13 per kWh. You may be trying to access this site from a secured browser on the server. A 100,000 to 160,000-plus BTU furnace. PickHVAC is also a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.