I have a 100 year old oil boiler and am thinking of switching to gas but hearing conflicting views. Gas is cleaner and cheaper, but oil is more efficient. The cost is about $6000 to convert.

Any recommendations?


Comments

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  2. My wife and I just purchased a 3 family building in Greenpoint. It’s got an oil fuel boiler with the hotwater coil integrated into the boiler. When we had the inspection last month, the inspector said that the hot water coil, which is part of the boiler, is not very efficient and that in the summer months, the boiler needs to be fired up in order to produce hot water. It seems that firing up an entire boiler to produce the hot water you need to take a shower isn’t very efficient. We’re thinking of switching from oil to gas as well as put in a new hot water heater. Any recommendations on a hot water heater for a 3 family? Also, if and when we switch from oil to gas, we’ll be able to get rid of the 2 – 275 gallon oil tanks which take up a considerable amount of space in the basement.

  3. I did this calculation for myself a while ago. We currently have oil heat & hot water. The water is heated with a “coil” — no tank, heats as needed — very efficient.

    Here’s what you need know to do the comparison:

    Variables:

    Your cost for a gallon of oil.

    Your cost for a delivered Therm of gas (including delivery and tax).

    Efficiency of the Gas burner as %.

    Efficiency of the Oil burner as %.

    Constants:

    There are 100,000 BTUs in a Therm of Gas.

    There are 138,690 BTU’s in a gallon of Oil.

    Calculation:

    Cost per unit * BTUs per unit * efficiency of burner = effective cost per BTU.

    When I did the calculation I got something like $2.02/Therm with Oil and $1.68/Therm with Gas (don’t think I used the efficiency factor tho)

    So it would be cheaper for me to switch to Gas from Oil. Which maybe we will do some day, but a Gas burner is not cheap so we are deferring for now, plus I am happy with the efficiency of the coil vs a separate hot water heater.

    Hope this helps.

    I researched this myself, but I believe it to be correct. Do your own research before you decide.

  4. I think that the monthly costs run about the same for gas and oil. Gas of course is much cleaner. When I converted to gas from oil over fifteen years ago, I was able to make better use of the space in my basement by getting rid of the oil tank and the basement stopped smelling like oil. The other advantage to gas is that you never have to worry about running out of oil. You can also use the level billing plan where you pay a set amount monthly all year as opposed to large bills during the winter months and next to nothing during the summer. A while back when I was out of work due to a brief illness, I was able to work out a very lenient agreement with the gas company when I fell behind. I was told by the representative that they will only shut your gas off after getting a court order to remove the meter. I would hope that you never get to that point but it is a real advantage.

  5. I live in an 8 family brick and we are on gas. Very clean, efficient, never any problems. Make sure you get a set back thermostat and if in a multiple dwelling a sensor installed in an area away from the windows but not on the top or lowest level. Remember, you heat based on inside temperatures, not outside, so if you have a weather tight building you can really save some bucks. The City’s minimum legal heat requirements will always be satisfied. Since installing our sensor the number of therms we burn per year has been almost identical for 6 years, so it really works.
    Marion

  6. I live in an 8 family brick and we are on gas. Very clean, efficient, never any problems. Make sure you get a set back thermostat and if in a multiple dwelling a sensor installed in an area away from the windows but not on the top or lowest level. Remember, you heat based on inside temperatures, not outside, so if you have a weather tight building you can really save some bucks. The City’s minimum legal heat requirements will always be satisfied. Since installing our sensor the number of therms we burn per year has been almost identical for 6 years, so it really works.
    Marion

  7. I live in an 8 family brick and we are on gas. Very clean, efficient, never any problems. Make sure you get a set back thermostat and if in a multiple dwelling a sensor installed in an area away from the windows but not on the top or lowest level. Remember, you heat based on inside temperatures, not outside, so if you have a weather tight building you can really save some bucks. The City’s minimum legal heat requirements will always be satisfied. Since installing our sensor the number of therms we burn per year has been almost identical for 6 years, so it really works.
    Marion

  8. I recommend converting to gas since it sounds like you need to put in a new boiler anyway. I had an oil-fired boiler in one of my buildings and always had some maintenance/service issues (at least 3 or 4 calls per winter) as opposed to the rare service call needed for my gas systems. If you do stay with oil I hope you’ve joined the NYPIRG oil co-op. I saved a great deal by joining that organization. Check it out!