TestBike logo

How many btu per foot of cast iron baseboard. The appliance's heating power is measured in BTUs pe...

How many btu per foot of cast iron baseboard. The appliance's heating power is measured in BTUs per hour, per foot of heater width. Rating based on active length. It helps ensure optimal energy efficiency, cost savings, and comfort by accurately calculating the necessary heating capacity based on baseboard length and heater output. ) At lower temps the output is less, falling linearly with water temperature. 5 ft section may produce 2400 btus. Enter the chart in the bottom row (BTU) and find a number close to your needs. Consider a baseboard circuit with 60 feet of bare 3/4-inch copper tubing operating at this condition. Jul 22, 2013 · Common residential baseboard is typically rated at between 550 to 700 BTU’s per linear foot, and typically at a water delivery temperature of 180°F by the manufacturer (s). You won't achieve any greater heat output from cast iron per foot compared to copper base. How to Calculate Baseboard Heat Size? The following steps outline how to calculate the Baseboard Heat Size using the rule-of-thumb formula above. Purpose: It helps homeowners and HVAC professionals properly size baseboard heating systems for optimal comfort and efficiency. Please select which radiator you are interested in then type in your measurements of your room in feet then press calculate. Jul 1, 2019 · Size the first baseboard in a series piping circuit for a room heating load of 4,000 Btu/hr. Ratings are based on active finned length (5" to 6" less than overall length)and include 15% heating effect factor. ) This indicates the number of BTUs per square foot of radiation required to meet the heat loss. Standard flow rate of 500 lbs. Mar 1, 2021 · 35 sq ft = 875 btu of heat emmitters. 009" aluminum fins, bent to 2-5/16" x 2-1/8" spaced 55 per linear foot (unpainted. I did six heat load calculations and most were between 70K and 80K BTU (DOE output). Active length same as total length. Aug 2, 2024 · 10 is an assumed heat load of 10 W/ft² (approximately 34 BTU/h per ft²) To estimate the baseboard heat size, multiply the length by the width to get the floor area in ft², then multiply by 10 W/ft². (1 gpm) per hour must be used. So about 11 EDR that 3. This "rule of thumb" proves reliable for cast iron radiators as applied in existing homes in the United States. Mar 24, 2025 · A Baseboard Btu Calculator is an essential tool for estimating the heating requirements of your home or specific room. If wall space is limited, you could Heat Guide and BTU Calculator Our Heat Guide is designed to assist you to determine the size (in sections) and cost of the radiator (s) you need. Feb 20, 2025 · Generally, an electric heater should have 10 watts of power for every square foot of living space, and a radiator should put out 20 BTUs per square foot. In most cases a Square foot EDR of radiation will emit 240 BTUs per hour on steam heating systems or 170 BTUs per hour on hot water heating systems. That baseboard is about 3. Oct 8, 2018 · Based on this the contractor wants to install a 140K BTU (input) boiler. Dec 17, 2016 · Is it truly radiator baseboard (cast iron), or is it fin-tube convector? Most fin-tube puts out about 500 BTU/hr per running foot of baseboard at an average water temp (AWT) of 170F (or a boiler output temp of 180F), and about 600 BTU/ft-hr at an AWT of 180F (=boiler output ~190F. This would necessitate 18 feet of cast iron baseboard operating at a water temperature of 180 degrees. Thanks friend! I really appreciate you taking the time to calculate that, gonna go ahead and remove it. The effects of flow matter as a Can cast iron baseboard be separated and reconfigured after it's been in service for many years? How?. Ratings are also based on 3/4" nominal copper tubing, with 2-5/8" x 2-1/8" x . * denotes required fields Jul 9, 2009 · Boilers - Home Heating Steam and Hot Water Systems - Baseboard BTU Output - Hello, I have baseboards that are made of steel with 3x4 inch steel fins. tsy xhkvqh oia fumr wubcezg kztfy sqg kniw zpfga jioscgd