You can use this capacity in conjunction with your appliance's Btu rating to determine how long a full propane tank will power any given appliance. A family of more than 5 members should need 35-40 gallons of propane to do all their household chores. How Much Propane Do My Appliances Use? Cost of one gallon of propane varies from place to place and also depends on from where you are taking the supply like if you are taking propane from hovers it will cost about $2-$2.75 per gallon and if you are taking the supply from … EFFICIENCY. 1) Enter the total btu/hr of your garage heater. A furnace will use about 1,000 gallons a year. Accordingly, how much propane does a on demand water heater use? You can expect a gas fireplace to go through about 200 gallons annually depending on use. I bought a 90° fitting and still cannot screw the heater on as it hits the top of the propane tank You need to aquire the individual fittings and assemble a 90° degree setup with a slightly longer rise. With propane in 2015 averaging about $2.60 / gallon, the average household can expect to spend about $3,619 on their propane costs each year. There are many kinds of propane gas heaters and they generate heat depending on the intensity of the heater. Typical use for households with a propane hot water heater is between 300 and 400 gallons per year. Per gallon, propane costs in the neighborhood of $3.00. Propane stoves use about 35 gallons annually. Are you in need of propane this winter? Your hot water heater will use an average of 250 gallons per year. For a family of 3 or 4 needs 25 gallons of propane monthly. How Much Propane does a 30,000 btu Heater use? Several factors affect propane use such as the size of the RV, the size of the furnace, which appliances will use propane for energy, and the length of time you’ll be camping – to name a few. Each propane tank size has an approximate capacity measured in British thermal units. I am curious how you hook up your little buddy heater to a 5 or 11lb tank. A clothes dryer will average 20 gallons annually. At the $3.00 per gallon ate, that can mean $24-30 in propane costs per month. That isn’t all that much, but it does add up the more that you use it. The burn rate of propane is around 100,000 btu’s per hour, so if you plan on running your Mr. Heater 30,000 btu heater you’ll use around one third (1/3) of a gallon per hour of use. 2) Enter the unit prices below for the various fuels in your area, or just use the numbers already listed. How much propane does an RV furnace actually use? Propane usage per month on a tankless water heater For a family of 2, 15 gallons will do just fine. Which is Cheaper to Use: Propane or Kerosene Heater? How is heat produced by a propane gas heater? This table breaks down the rough average usage of a family home. A pilot that is used to heat a furnace can generally run around 8-10 gallons of propane in a month. This can fluctuate on the amount of usage. On average, a pilot light takes 800 BTUs per hour but this can also vary and 1 gallon consists of 91502 BTUs of propane.. Depending on the size of your home, you may be using a 250-gallon, 500-gallon, or 1000-gallon propane tank. Our Garage Heater Energy Cost Calculator will help you choose the most cost effective way to heat your garage. But, as the costs fluctuate with fuel prices, the fuel might cost you differently through the year. Propane heaters are efficient with a cost-effective fuel source. You can choose a type according to space requirements. A propane gas outdoor heater is made to generate 30,000 to 40,000 BTUs of heat energy. An energy-use formula fills the bill. There is no way to exactly measure how much propane an RV furnace uses. Households that use propane for specific tasks use much less propane per year than those that heat their entire house with a propane heating system. If you run your home on propane, you might be wondering about the usage rates of the various appliances hooked up to your system. How much propane average homes use & cost of average propane usage. Propane will roughly cost you around $2.70 per gallon.