How do I calculate BTU for pool heater?
Use this formula to determine BTU’s required:
- Surface area x temperature rise x 12 = heater output (BTU)
- Rectangle: Length x Width.
- Circle: 3.14 x radius x radius (radius is equal to half the diameter)
- Oval: Length x Width x .25 x 3.14.
How many BTU do I need to heat my inground pool?
Since it takes one BTU to heat one pound of water by a single degree, we now know that in order to raise this entire 20,000 gallon pool by one degree it will take 166,000 BTU’s of heat energy. So, if you want to raise the water temperature by ten degrees, then you would need 1,660,000 BTU’s of heat energy.
What size pool heater do I need for a 15000 gallon pool?
Pools up to 15,000 gallons should look at the AquaPro 77K BTU or higher, and 20,000 gallon above ground pools should look at models like the TropiCal 115K BTU. Pools in very windy or colder areas, or those that don’t use a pool cover should consider installing one size larger.
How many BTU’s do I need to heat my garage?
A basic rule of thumb for forced-air heaters is 45,000 Btu to heat a two- to 2-1/2 car garage, and a 60,000 Btu garage heater for a three-car garage. The makers of low-intensity infrared tube heaters say that 30,000 Btu can heat a two to 2-1/2 car garage, and suggest 50,000 for a three-car garage.
Is a higher BTU furnace better?
A heater with a higher BTU rating is more powerful — that is, it has a higher heat output — than one with a low BTU rating. It can do more to raise the temperature in your room each hour, so you can either heat a room more quickly or heat a larger space.
Can a pool heater be too big?
One of the important parts of putting in a pool heater is making sure it is the correct size to maintain the comfortable temperature you want. … However, there is no such thing as oversizing a pool heater. The larger the heater’s output, the faster it heats the water in the pool, and it will not begin short-cycling.
How many gallons is a 16×32 pool?
Standard In-Ground Pool Volumes in Gallons by Size14x2810,30011,80015×3011,80013,50016×3213,40015,40018×3617,00019,400
How can I heat my pool cheaply?
Here are the seven cheapest ways to heat your pool this off-season.
- Use a Solar Cover. …
- Invest in Solar Sun Rings. …
- Try Out a Liquid Solar Pool Cover. …
- Build a Windproof Pool Enclosure. …
- Use the Black Hose Trick. …
- Snag a Pool Heat Pump. …
- Combine a Solar Cover and Pool Heat Pump.
Should I run pool heater overnight?
This is because the heat pump converts the warmer ambient air and transfers that to your pool. As far as energy efficiency goes, you’d want to run it during the day. Now, if you’re looking to swim in the morning, and you want it at 85 degrees in the morning, you’re probably going to have to run it at night.
Can I leave my pool heater on all the time?
Your theory is correct. It is one in the same to either leave the heater on all night or to start again from a lower temperature in the morning except that you lose hours of warm water swimming time in the morning if you leave the heater off all night.
How fast will a pool heater heat a pool?
It depends on a few things to determine how long it takes a heat pump to heat a pool. However, overall a heat pump generally heats a pool after 24 to 72 hours by 20-degrees Fahrenheit. For smaller pools like a spa pool, the heat pump can heat a pool between 45 and 60 minutes.
How much does it cost to run a pool heater per month?
The cost to run a pool heater, is free for Solar Heaters, about $100-$200/mo for Heat Pumps and in the range of $200-$400/mo for a Gas Heater. Your actual heating expense will vary month to month, according to outside temps and weather.
How many BTUs does it take to heat a single car garage?
Single-car garages (0-450 sq ft) require a 2000-3000 W unit (or 6,800-9,000 BTUs/hr) Two-car garages (450-700 sq ft) require a 3600-7000 W unit (electric heaters) or 12,000-24,000 BTUs/hr (for the propane ones)1 мая 2019 г.
How many BTU do I need for a 20×20 room?
Air Conditioner BTU ChartRoom/Area Size:Examples:Recommended BTU:300-400 sq ft18x18 room, 20×20 room8,000400-500 sq ft22x22 room, small studio apartment10,000500-600 sq ft24x24 room, average studio apartment12,000600-700 sq ft2 rooms, small apartment14,000