Energy Audit Cost :: What’s in a Price?
One just has to love JB (editor’s note: haWell!) and how he gets so many guest articles. And even as we have gone past “Tagged”, to…
You are doing energy audits, correct? Hope you don’t mind if I ask, but what are you charging for them? Personal not for print…
I am just trying to help {fellow blogger x} . . . she got quoted $500 for assessment and thought that was high. Truthfully I didn’t know.
BG&E our local energy does a free audit & I guess I was wondering if they are all the same . . . .
Yes, I did a little editing for readability, as this was sent via Twitter, and of course we protect the innocent.
In answer to the pricing question, not only did I point him to our pricing page, but explained that $500 might be reasonable depending on what it includes. So how about those free audits, $50 audits, or… are they bad? No, not necessarily as I know a few auditors that work for some utilities that subsidize the cost (i.e. you pay $50 & the electric company pays an additional $250), and are actually worth a lot more than they charge. Along the same lines, I know plenty of people that have overpaid or got taken . . . with a free audit.
While there are hundreds if not thousands of variations of “audits” performed daily, it essentially boils down to two types; survey style & diagnostic. The survey style can either be completed online or via a checklist (completed by the homeowner) or by a “professional” who comes out and essentially does that same thing for you. The diagnostic version is when equipment is brought in to actually get passed what can be seen to test the actual performance of the house &/or specific items.
Survey Style (Web Based – Homeowner):
LBL’s Home Energy Saver (HES) is one of the most popular & is the basis from which many of other existing programs out there are built from. Many utilities like the TVA offer them for free (and occasionally include a give-away package with them) as an inducement to see if a real audit or if performing any upgrades would be worthwhile. The issue with many of these programs is that they use what is called “simplified” inputs and that they are only required to be within 25% of actual use for 70% of the homes and within 50% for 90% of the homes audited. Personally, if you wish to use one (and don’t care about the gimmick give-away), I would recommend the HES version as it is constantly being improved.
Survey Style (The Walk-Through):
A walk through survey is popular with some utilities, salesmen, etc… and in essence is almost worthless. In many cases, the auditor will provide you with a written or computer-generated report (suggestions, just like the type above). Per DOE, RESNET, and other professional organizations though – Energy savings estimates and advice should only be generalized and presented with the qualification that a Diagnostic Audit is needed. In many cases, a homeowner who keeps up with their home’s maintenance and checks for a few obvious issues, won’t gain much from this type of audit except for a sales pitch.
Diagnostic Audits:
A diagnostic audit in many cases will involve a blower door & maybe one or more pieces of equipment to actually help one not only put a number to any issues, but to help locate hidden issues. One of the most popular sayings in this arena goes – “If you are not testing, you are just guessing.”
I was at a house just last week that absolutely blew my mind. I couldn’t believe just how bad it was, although everything looked great on the surface and everything was well maintained. The upstairs duct leakage was over 30%, which one couldn’t have guessed with the insulation on them. The downstairs was at least at 70% or more due to a hidden disconnected duct. The whole house leakage was dramatically higher than it should have been just due to those issues. Of course there were other issues too, the big three – 2 fireplaces, attic stairs (not bad there, as it was weather-stripped), and a whole house fan.
Depending on the tests done, this can dramatically affect the time and actual cost of an audit. IMO, there are two tests that should be mandatory, namely the Blower Door Test (preferably tied in with an Infrared scan) and the Duct Leakage Test. Not only are both of these tests being required by the newer codes for both new or remodeled homes, but they are also helpful for finding the two largest trouble spots for many consumers health, safety, comfort, and energy issues.
Not to name names, like BPI, but many programs eschew duct testing due to costs or issues that maybe caused by improperly designed systems. Unfortunately as mentioned in a recent article on duct sealing, it doesn’t take much to turn a high efficient 5 ton system into an inefficient 2.5 ton system. As for the issues with coils freezing up, this should be addressed by the specialist working on sealing the ducts via a simple static pressure test.
A special word about salesmen audits & claims:
While I have met a few that will give it to you straight, most (salesmen) auditors are there to sell you their product. From attic vents to radiant barriers, from ceramic paints to windows, there are enough snake oil salesmen to give everyone a bad name. Being informed and forewarned will not only help you save money on energy, but hopefully give you a much more comfortable & healthy house.
In closing:
In the end energy audit cost comes down to — the knowledge & abilities of the person doing the audit, what is included or tested, and if you are actually taking action on the suggestions/report. Contrary to many ads I have seen, just having an audit doesn’t save you money. I would also highly recommend you consider having one done before you replace your HVAC equipment or before doing any major remodeling work. Nothing beats coming in after the siding has been replaced and spotting the insulation problems that could have been taken care of for next to nothing either when the walls were open or when adding to exterior would have helped eliminate those hot rooms issues.
(Sorry, had to show off our new logo)
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Note from the hosts: First, love the new logo! And lots of good info here Sean; thanks for posting it with us.
I think I’ll leave it just like this, but I’ll add . . . for the record. for my part – and true story, I advised “fellow blogger x” to try to determine exactly what was (and/or was not) included in her $500 estimate, she did not fall within BG&E‘s service area, I had no success trying to get in touch with a guy I knew that was more local to her, and . . . yep, I did in fact turn to Sean for advice on this matter. I guess we’re like that.
Thanks for reading and happy weekend all. ~jb
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Thanks for commenting Carl and for the most part I really don’t disagree with you. The catch as you put it though is “most average” auditors can’t really do that as they don’t have our level of knowledge gained from years in the construction &/or remodeling industry – thus in most cases they are essentially worthless.
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Sean – Good post, but I have to take issue with your comment that survey style walkthroughs are “almost worthless.” I don’t do a lot of energy audits, and frankly, I don’t particularly like running blower door and duct blasters, but I do it when I have to. Inevitably, the results that I get are about what I expect from a visual inspection of the house. I probably have more experience in construction and remodeling than the average energy auditor, so I have a particular advantage, but in a house where you can see the attic, see some or all of the basement or crawlspace, and inspect most of the ducts, it is not difficult to identify the major problems to be fixed. You can’t do an energy model or estimate energy savings from improvements, but those estimates are just that – estimates – and the chance of the savings actually being close to any estimate in most cases is not great. I feel like the industry is a little caught up in the meekness of the testing and diagnostics because it is quantifiable and (somewhat) less subject to variations in individual judgement. But too many auditors rely too much on the testing and don’t always dig into the guts of the house and find the real problems. I have a theory that I could diagnose about 80% of a house’s problems from looking at a picture of it (google street view anyone?), get to 90% with a walk through, then if necessary, get about 98% with some diagnostic testing. If you use the 80/20 rule, like I do a lot, it sure seems like a pretty good bet that testing won’t always give you enough extra information to make it worth the time. Of course you want to test before and after the improvements, but if you’re trying to make a sale, I think you can do it without testing much of the time. Just my $ 0.02, and I’m sure I will get lots of disagreement from the crowd.