Size and Ceiling Height
Q. What size furnace do I need for 1100 square feet?
BTU is a measurement of a furnace’s heat output. 1500 sq feet by 25 BTU gives us a 37,500 BTU furnace….What size furnace do I need for 1100 square feet?
Table of Contents
- Q. What size furnace do I need for 1100 square feet?
- Q. What size furnace do I need for a 1800 square foot home?
- Q. Is 40 gallon water heater enough for a family of 4?
- Q. Is there a big difference between a 40 gallon and 50 gallon water heater?
- Q. What size water heater do I need for a family of 2?
- Q. What size water heater do you need for a 3 bedroom house?
| Area To Be Cooled (square feet) | Capacity Needed (BTUs per hour) |
|---|---|
| 550 to 700 | 14,000 |
| 700 to 1,000 | 18,000 |
| 1,000 to 1,200 | 21,000 |
| 1,200 to 1,400 | 23,000 |
Q. What size furnace do I need for a 1800 square foot home?
A 1,800-square-foot home will require between 55,000 to 110,000 BTUs. A 2,100-square-foot home will require between 65,000 to 125,000 BTUs. A 2,400-square-foot home will require between 75,000 to 145,000 BTUs.
| Area To Be Cooled (square feet) | Capacity Needed (BTUs per hour) |
|---|---|
| 700 to 1,000 | 18,000 |
| 1,000 to 1,200 | 21,000 |
| 1,200 to 1,400 | 23,000 |
| 1,400 to 1,500 | 24,000 |
Q. Is 40 gallon water heater enough for a family of 4?
Typically, the rule-of-thumb is that you want a 40 gallon tank for 1 to 4 people, a 50 gallon tank for 4 to 6 people, and a 50 gallon high recovery or 75 gallon tank for 6 to 8 people. Energy consumption for 40 and 50 gallon standard water heaters is quite comparable.
Q. Is there a big difference between a 40 gallon and 50 gallon water heater?
With the energy factors being equal, the difference in cost of running a 50-gallon heater over a 40-gallon heater is essentially insignificant.
Q. What size water heater do I need for a family of 2?
For 1 to 2 people: 30-40 gallons. For 2 to 3 people: 40-50 gallons. For 3 to 4 people: 50-60 gallons. For 5+ people: 60-80 gallons.
Q. What size water heater do you need for a 3 bedroom house?
2-3 people need a 40-gallon water heater. 3-4 people need a 40-50 gallon water heater. 5 or more people need a 50-80 gallon water heater.
