Archive for the all blog posts Category

We can help you with NCEEC code compliance – duct testing and blower door testing is our specialty!

Dear HVAC contractor, builder, or General Contractor: As you know, as of March 1, 2012, any new home permitted in the state of North Carolina must comply with the 2012 NCECC (North Carolina Energy Conservation Code), including mandatory duct testing and an optional blower door test to satisfy the air sealing and duct sealing requirements […]

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Insulation is sexy. Weatherize!

Need we say more? Maybe. For posts on weatherization, see: Should you replace your windows? What’s a closed crawl space? Weatherizing rental properties Feeling hot hot hot! Need new windows? Need new air-conditioner? Nope! More on windows  How we’ve made our 100-year old home energy efficient, part 1. Part 2. Part 3.       […]

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Should you replace your windows?

Dear Ms. Green, I just bought an older home and its energy bills seem high. I’m thinking of getting new windows to help with the bills. What can you tell me about replacement windows? —Cold in Carrboro   Dear Cold, Here’s what Ms. Green thinks about replacement windows: contrary to what the window replacement industry […]

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Looking for a LOCAL (Chatham County, NC) source to learn about green building? Look no further than CCCC.

Dear Ms. Green, My family is going to be looking for a new house soon, and we’d love it to be as green as possible. Is there a place where we can learn about solar hot water, PV, green building, geothermal, and creating a nice, tight house like you’re always talking about? –Searching in Silk […]

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What’s more wasteful? A major oil spill in the gulf of Mexico or heating/cooling a fraction of the homes in central NC?

Here’s the answer: We posted this image from energysavvy.com a while back, but after taking a close look we decided we needed to revise it. Original figures had weatherizing 75000 homes at $1 billion. That puts the average weatherization job at more than $13,000. That seems REALLY HIGH to us! Way, way more than our […]

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Feelin’ hot hot hot! Need new air conditioner? Need new windows? NOPE!

This little piggy is HOT! So hot! Is it because he needs a new air conditioner or heat pump? Is it because he needs new windows? Is it that he just needs to suck it up and suffer? Nope. Probably not. Piggy is HOT because he lives in a leaky, poorly insulated and poorly sealed […]

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Carrboro Wise Program

Hey – Carrboro people! Your attention, please! Thanks to the town of Carrboro and the BetterBuildings program, the Carrboro WISE Buildings program has now expanded to include residential properties! Yahoo for Carrboro homeowners! And it’s a pretty good deal, too: $150 subsidy for professional energy audits and possible inclusion in a $425 subsidy towards air-sealing […]

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LEDs or CFLs?

Dear Ms. Green, Seems like just last week that I replaced all my regular old lightbulbs with CFLs, and now come to find out that I need to replace the CFLs with LEDs to really save energy and money (and the planet). What gives? Do I really need to fork up the cash for even […]

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Most energy-efficient game system: does it exist?

Dear Ms. Green, What is the most energy efficient game system I can buy for my kids? Crazed Mother in Carrboro Dear Crazed Mother, Ms. Green will try to keep herself from stating the obvious, that the most energy efficient game system is one that uses a board and dice and possibly pretend money, but […]

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Bonus room uncomfortable! What to do?

Dear Ms. Green, In the summer our bonus room, which I use for my home office, is much warmer than the rest of the house. In the winter it’s always much colder. I’m thinking I need to get the HVAC ductwork re-routed. My father-in-law says I need a bigger heat pump. Which one of us […]

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