If you have a 1,200-gallon hot tub and your gas heater runs on natural gas, $1 will be needed per unit of natural gas to heat your hot tub water in 30 minutes to 93 degrees. Since you require 4.71 therms to heat your hot tub water daily, it will cost you $4.71 per day of heating the water.
Modern manufacturers advertise the cost to run their hot tubs at about one dollar per day, with $50 per month at the high end. The energy cost of a hot tub varies based mainly on the heater, which usually draws between 1,500 watts or 6,000 watts.
Gas spa heaters, such as the Pentair MasterTemp or the Raypak 106A, are powered by either propane or natural gas. They can be used for inground spas, free-standing wooden hot tubs, or even for portable spas if installed outside of the spa cabinet.
Based on the U.S. average price of $1.15 per therm of natural gas as of the publication date, the U.S. Energy Information Institute estimates that 1 million Btu of heat costs about $14.02. This figure assumes an average gas furnace efficiency of 82 percent.
A 100,000 BTU heater uses 1 therm of natural gas per hour, so a 400,000 heater consumes 4 therms an hour. 4 therms an hour x $1.67 = $6.68 per hour. So the magic number based on the most common 400,000 BTU pool/ spa heater is $6.68 per hour in gas cost to run your heater.
Cost of Running a Propane vs.
The size of your pool also matters, with larger pools costing more to heat than smaller ones. On average, however, a gas heater costs around $200 to $400 a month to run. Electric heat pumps cost less, coming in at about $100 to $200 a month.
Less expensive to operate: Almost everywhere in the country, natural gas is significantly cheaper than electricity. If you live in a cold climate and run your heater a lot during the winter, a gas furnace can save you money over the long run.
Let's say you have a furnace with a BTU rating of 100,000 and your gas bill is measured in MCFs. If one MCF costs $9.00: Divide the price per MCF by 1,028,000 to get the price per BTU: $0.00000875486. Multiply that by 100,000 to get the price per hour you'll pay to run the furnace: about 87 cents.
If we have a 2,000 sq ft house, we have to multiply this very low cost by 2,000, and we get, surprisingly, exactly $1.00 per hour for heating. That means that we spend a total of $24.00 per day to heat a big house with natural gas.
#1 Turn the temperature down on your hot tub
The easiest way to save money on your hot tub is to turn the temperature down a few degrees. Each degree will save you approx. 10% on your hot tub energy bill.
Most spa owners expect their heater to take no more than 15 to 30 minutes to heat their spa to 102°F.
4 therms an hour x $1.20 = $4.80 per hour. So the magic number based on some pretty popular averages is $5 per hour to heat the pool and $5 an hour to heat the spa. Keep in mind, we're not talking about how long it takes but how much it costs.
Propane pool heaters are highly efficient. On average, it takes about one gallon per hour per 100,000 BTUs to operate. The average propane heater has about 400,000 BTUs which amounts to four gallons per hour. Prices fluctuate with demand, but you can expect to pay about $2.00-$3.25 per gallon.
The basic level of hot tub water care (using bottled chemicals) costs around $20 per month to maintain your hot tub, however this depends on what water system that you choose. Upgrading your water care system may be initially more expensive but will save you money and maintenance time in the future.
Yes! Hot tubs run on an electrical supply. They usually need between 13 and 40 AMPS of power to run. The electricity powers the heater, pumps, lights and all the other working components on the hot tub.
The same amount of natural gas contains 100,000 Btu's. A Therm of natural gas will operate a 30,000 Btu wall heater for 3.3 hours, which means that natural gas costs only $. 28 per hour to operate the heater.
Typically, a hot water heater that uses a tank will run for three to five hours per day. So, a 4,000-watt heater used for three hours a day at $. 10 per kWh will cost $1.20 per day, about $36.50 per month, or $438 per year.
Average price of natural gas per therm
That's $0.95 per Ccf. And at the 2019 national average heat content of 1,037 Btu per cubic foot, it's a natural gas therm price of $0.92.
April price will be based on international prices from Jan to Dec 2021. Every dollar rise in domestic natural gas price would require an increase in the price of CNG by Rs 4.5 per kg, according to AK Jana, managing director of Indraprastha Gas Ltd. This means a CNG price hike of roughly Rs 15 per kg.
The annual cost to heat a 2200 square foot existing house of average energy consumption for different combinations of fuels and furnaces: Natural Gas in an 80% furnace: $1215. Natural Gas in a 92% furnace: $1095. Oil in a 70% furnace: $2185.
Pool heaters have the potential to be an incredibly worthwhile investment if a family wants to utilize its new pool year 'round, or even just well into school starting in the fall. These heaters have state of the art technology that allow for comfortable swimming temperatures, even in sweater weather.
On average, natural gas burns about 1 therm per 100,000 BTUs per hour (British Thermal Units). Meaning, an average pool heater between 300,000 and 400,000 BTUs will cost anywhere from $3.30 to $4.40 per hour to heat your pool.