Julie Saporito
  • Female
  • Denver, CO
  • United States
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Julie Saporito's Discussions

Tankless water heating and existing gas lines

Started this discussion. Last reply by Kent Browning Sep 14. 5 Replies

If a tankless water heater is installed in an older home with existing gas lines that serve the furnace and stove, how do you determine if the line is sufficient to supply or if it needs upgrading…Continue

Studies on Home Energy Audit Energy Savings Potential?

Started this discussion. Last reply by Danielle Sass Byrnett Jun 15, 2017. 5 Replies

Looking for studies that have made the case that an energy audit leads to energy savings. Are there recent studies out there on this topic?Continue

 

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Kent Browning replied to Julie Saporito's discussion Tankless water heating and existing gas lines
"First the problems - increased CO due to poor combustion, flue condensation delayed ignition, etc. Many potential safety issues. The plumbing and mechanical code books show a method to size gas lines.The method assumes ALL combustion appliance are…"
Sep 14
Glen Gallo replied to Julie Saporito's discussion Tankless water heating and existing gas lines
"Gas design should always take in consideration of all appliances running at the same time. If all lines are proper size and delivery is normal then there should be no issues These items are normally overspeced.  I would think net free air to…"
Sep 10
John Nicholas replied to Julie Saporito's discussion Tankless water heating and existing gas lines
"Whe I personally installed my gas demand unit in 2010, they had to bring a 3/4 inch line to it, instead of the 1.2 inch line.    I had a 1 1./4 service entering the house, was not a serious issue.  Installed the same day the meter…"
Sep 6
Julie Saporito replied to Julie Saporito's discussion Tankless water heating and existing gas lines
"This makes sense, thanks Sean!"
Sep 6
Sean Lintow Sr replied to Julie Saporito's discussion Tankless water heating and existing gas lines
"The answer is it depends - check the manufacturers specs, they will tell you the size of line needed, etc... if it isn't large enough or you ae not receiving enough through said line you won't get the BTU's needed to bring the…"
Sep 6
Julie Saporito posted a discussion

Tankless water heating and existing gas lines

If a tankless water heater is installed in an older home with existing gas lines that serve the furnace and stove, how do you determine if the line is sufficient to supply or if it needs upgrading before the install? Potential problems if the gas line is not large enough: reduced equipment life, increased CO and flue gas condensation, delayed ignition, and reduced performance. Are there any safety concerns if all systems (hot water, stove and furnace) run at the same time?See More
Sep 5
tedkidd liked Julie Saporito's blog post Denver Announces Pilot Program to Raise Awareness of Energy Costs in Homes
May 29
Julie Saporito commented on Julie Saporito's blog post Denver Announces Pilot Program to Raise Awareness of Energy Costs in Homes
"I think that would be a great idea. Chicago did a study on their requirement of utility data a year or two ago, and while it appears homes close faster by just disclosing energy data (high or low energy use didn't matter), just…"
May 29
tedkidd commented on Julie Saporito's blog post Denver Announces Pilot Program to Raise Awareness of Energy Costs in Homes
"In Chicago the MLS has fields for energy use. They aren't the utility. You could make it optional rather than required. Markets prefer actual numbers to easily corrupted proxies. Build trust in the proxies, suddenly they will have…"
May 29
tedkidd commented on Julie Saporito's blog post Denver Announces Pilot Program to Raise Awareness of Energy Costs in Homes
"So rather than simply stating "this house uses roughly $20 a month less energy than the average house..." So buyers can factor that counterfactual into their bid, this is more "hey, this is a good house, it's better than the…"
May 29
tedkidd commented on Julie Saporito's blog post Denver Announces Pilot Program to Raise Awareness of Energy Costs in Homes
""“In Denver’s competitive housing market, home operating costs are more important than ever. The pilot will focus on uncovering the best way to highlight the full cost of owning a home by making it cost-effective and energy…"
May 29
Julie Saporito commented on Julie Saporito's blog post Denver Announces Pilot Program to Raise Awareness of Energy Costs in Homes
"As previously mentioned, how the Score is used really depends on the housing market you are in. In a buyer's market it would seem natural to see homes with higher Scores sell for more. In a seller's market you already…"
May 29
Julie Saporito commented on Julie Saporito's blog post Denver Announces Pilot Program to Raise Awareness of Energy Costs in Homes
"The Home Energy Score is not meant to include individual energy use. The Score is meant to compare homes with other homes, and must rely on some estimations as well as include local weather and statewide utility rates. When you…"
May 29
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City & County of Denver
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http://www.denvergov.org/deq

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ENERGY STAR Version 3

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Mandy Leazenby replied to Allison A. Bailes III's discussion ENERGY STAR Version 3
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