What it takes to start as a HERS rater in Colorado

Last updated 2026-08-19

Do you need a license to be a HERS rater in Colorado?

No. Colorado does not issue a state occupational license titled HERS rater. You become a RESNET-certified Home Energy Rater, you affiliate with a RESNET-accredited Rating Provider, and you handle ordinary business filings if you operate as a company. There is no DORA HERS card and no state rater exam window.

That surprises people who treat every energy job like a plumber card. HERS is a national rating credential. RESNET writes the standard, accredited trainers teach it, and Rating Providers take legal responsibility for the ratings you file. Colorado’s energy-code rules create demand for those ratings. They do not create a rater license.

You may still need local paper. Cities and counties issue business licenses. The Colorado Secretary of State files LLCs and corporations. The Department of Revenue handles tax accounts if you sell taxable goods or a taxable service mix. None of that is a HERS license. If someone sells you a “Colorado HERS license package,” walk away.

Want the license question in one place? Read HERS rater license in Colorado. The short version stays the same. RESNET plus a Provider. Not a state board.

What does a HERS rater in Colorado actually do?

A HERS rater inspects a house, tests it, and produces a Home Energy Rating that follows RESNET standards. Builders, code officials, lenders, and program administrators use that rating. You are not the building inspector. You are not the HVAC contractor.

RESNET describes the work in plain terms. "A Home Energy Rating involves an analysis of a home’s construction plans and onsite inspections." That sentence is from RESNET’s own HERS explainer, and it is still the job. ^[1] You take plans, you enter the house in approved software, you visit the site, you run envelope and duct tests, and you issue a HERS Index.

RESNET sets a HERS Index of 100 for the Reference Home based on the 2006 IECC, and 0 for a net-zero energy home. ^[2] Lower is better. A finished rating is a registered file through your Provider, not a PDF you email from your truck.

In Colorado the work splits three ways. New production homes on the Front Range. Custom and mountain homes with picky envelopes. Existing-home ratings for renovations, real-estate deals, and incentive programs. Winter field days are cold. Summer attics are brutal. Plan for both.

ENERGY STAR certified new homes still need an independent rater to verify and field-test the house. ^[3] That is a big slice of paid work if you attach to builders who chase the label or the 45L credit.

How do you get RESNET certified as a HERS rater?

You train with a RESNET-accredited training provider, you pass RESNET’s rater exams, and you finish the candidate field tasks in MINHERS under a Certified Rater and a Rating Provider. Then the Provider puts you on its roster. That is the whole credential path. ^[1]

Do this in order. First, pick the Provider you actually want to file through. Providers differ on insurance minimums, QA sampling, software, and how they treat a one-person shop. A class with no Provider seat at the end is a stranded certificate.

Second, take the course. Good trainers mix classroom hours with software practice and a field day. Bad trainers read slides and vanish. Ask who will stand next to you on your first blower-door setup in a windy Colorado subdivision.

Third, pass the tests RESNET currently requires. Names and formats change. Confirm the live exam list on RESNET’s rater page, not on a Facebook thread. ^[1]

Fourth, finish candidate ratings the way MINHERS Chapter 2 states this year. I will not quote a rating count here because RESNET amends that checklist. Confirm the current task list with your trainer and print it. ^[5]

Fifth, stay inside your Provider’s QA rules. Your rating is their rating. If you freelance files outside that agreement, you are asking to get dropped.

The ANSI/RESNET/ICC 301 standard is the calculation backbone for the rating. You do not need to memorize 301 before class. You do need to know it exists, and that software built on 301 is where your Index comes from. ^[5]

How much does it cost to start as a HERS rater in Colorado?

There is no state HERS application fee because there is no state HERS license. Your real spend is training, RESNET and Provider dues, software, insurance, a vehicle that can carry gear, and test equipment. Confirm every dollar with the group that invoices it. Fees move.

I will not invent RESNET’s current candidate fee or a Provider’s QA bill. Those belong on their invoices. Training tuition varies by school. Equipment varies by new versus used and by whether you buy a full duct-testing kit on day one.

Budget in buckets, not a fake grand total.

Cost bucket	Who sets the price	What you should do
Training and exams	RESNET-accredited trainer	Get a written tuition sheet
RESNET and Provider fees	RESNET and your Provider	Confirm the live fee schedule
Software seat	Ekotrope, EnergyGauge, REM/Rate, or what your Provider requires	Match the Provider, do not buy twice
Blower door and duct tester	Equipment dealers	Buy calibrated gear your Provider accepts
Insurance	Your broker, to Provider minimums	General liability plus E&O if they ask
Colorado business filings	Secretary of State and your city	Confirm current filing fees

Skip the $12,000 thermal camera in month one. A used door fan in spec beats a pretty infrared toy you cannot defend in QA. Skip a downtown Denver office. You rate houses, not conference rooms.

Colorado entity filings are cheap next to gear. Confirm the live fee on the Secretary of State’s office before you file. ^[7] Do not let a registered-agent mill charge you hundreds to push a form you can file yourself.

How long does it take to start HERS rater work in Colorado?

There is no Colorado board clock. Nobody at DORA is mailing you a HERS card in 6 to 8 weeks. Calendar time is training length plus however long it takes to finish candidate field work and get Provider approval. That last part is the swing factor.

A focused class can be days, not months. Candidate ratings depend on houses. If your mentor has production builders in Commerce City, you move. If you live in a small mountain town and wait on custom dry-in, you wait. Nobody honest can promise you a start date.

Builders will not pause a closing for your homework. Line up the Provider and the mentor before you pay tuition. Ask for a realistic month, not a marketing slogan.

After you are active, first paid ratings still crawl while QA reviews your files. Budget a slow first quarter. If someone guarantees “certified and earning in two weeks,” they are selling class seats, not a field business.

Multi-state readers: the RESNET credential travels. Arizona paper and California paper do not. If you also work those markets, read how to start HERS rater in Arizona and how to start HERS rater in California. Recheck Provider territory rules before you cross a state line.

What equipment and software do you actually need?

You need a blower door, a way to test duct leakage, the software your Provider files in, and basic inspection tools. Combustion-safety gear matters if you rate existing houses with atmospherically vented appliances. Confirm the MINHERS testing protocols your Provider enforces before you buy. ^[5]

A Minneapolis-style door fan or equivalent is the core tool. Buy calibration that your Provider will accept. Duct testers (a powered flow hood or duct blaster setup) come next on new construction. Smoke, manometers, and a good ladder matter more than a drone.

Altitude is not a footnote here. A lot of Colorado housing sits well above 5,000 feet. Your software climate files and some test calculations need the right elevation. If a mentor has never rated above Denver, find a second mentor for mountain jobs.

Software is not a lifestyle choice. If your Provider files in Ekotrope, you file in Ekotrope. Fighting them so you can keep a student REM/Rate license is a waste of money.

I would rent or borrow infrared for the first season unless a builder already pays for it. I would not finance a new truck for this job. I would spend on tires, a heated shop corner for the door fan, and a second set of door-panel straps. Those fail on cold mornings.

How do Colorado energy codes create HERS work?

Colorado still adopts and enforces building codes mainly at the local level, with state statutes pushing jurisdictions toward newer IECC editions and model energy codes. That mix is why HERS and the IECC Energy Rating Index path show up in plan review. ^[8][9]

HB19-1260 required local jurisdictions to adopt one of the three most recent IECC versions then in play, with timing that ran through the early 2020s. Read the bill page for the actual triggers. Do not trust a recap. ^[10]

HB22-1362 went further on building decarbonization policy. The General Assembly titled it "Concerning measures to support building decarbonization, and, in connection therewith, making an appropriation." ^[9] That bill is why people talk about the Energy Code Board and model low-energy and electric-ready codes. It is not a rater license statute.

DOE’s Building Energy Codes Program keeps a Colorado status page. Use it as a starting map, then call the building department that will stamp the job. Home-rule cities do their own thing. Boulder is not Pueblo. Aspen is not Greeley. ^[8]

The IECC ERI path is the code language that lines up with a HERS-style Index. If a builder wants that path, they need a rater who can produce a defensible file. That is the work. Bring the adopted code year for that address, not a generic “Colorado code” speech.

The Colorado Energy Office publishes the state’s building energy code program materials and Board work. Start there when you need the current model-code status, then verify locally. ^[11]

Do you need a Colorado business license, insurance, or an LLC?

You need whatever your city or county requires to operate a business, plus whatever your Rating Provider writes into the contract. An LLC is optional as a credential. It is often smart as liability hygiene. It is not a rater license.

File the entity with the Colorado Secretary of State if you want one. Confirm the current online fee first. ^[7] Get an EIN from IRS if you hire or you want a bank account that is not your social security number. Ask the Department of Revenue whether your service mix needs a sales tax license. Many pure professional services are untreated at the state level. Product sales are a different story. Confirm it. ^[12]

Insurance is where new raters get sloppy. Providers usually set minimum general liability. Many also want errors and omissions. Pay for the certificate they specify. A cheap non-owned policy that excludes professional opinions is wallpaper.

If you hire anyone, ask the Colorado Department of Labor and Employment about workers’ compensation. Sole proprietors without employees are in a different spot than a two-person field crew. Confirm before the first W-2.

I would form a Colorado LLC if this is a real business. I would not form a Delaware LLC for a blower door in Aurora. I would not buy a trademark search. I would print the Provider agreement and the insurance endorsement and keep both in the truck.

What does a first year as a Colorado HERS rater look like?

Slow, then lumpy. You spend the first months begging for candidate houses, then you get three production addresses in the same week and drop a birthday party. That is the job.

Production builders on the Front Range pay less per door and feed you volume. Custom homes in the foothills pay more and argue about every infiltration number. Pick one lane for year one. Two lanes is how files get sloppy.

Price for drive time. A rating in Fort Morgan is not a rating in Lakewood. Mountain jobs need overnight math in winter. If a bid ignores I-70 closures, the bid is fiction.

QA will bounce files. Budget unpaid revision time. The raters who last treat QA like a second client. The raters who vanish after six months treat QA like an insult.

Cash flow is ugly until a builder puts you on a community. Do not quit a steady job on the day you pass the test. I would keep 90 days of expenses before I leaned on HERS income. Nobody has clean public data on first-year rater revenue in Colorado. Anyone quoting a salary number is guessing or selling a course.

Compare notes with other state start guides if you are mobile. How to start HERS rater in Arkansas is a different market. The RESNET steps rhyme. The builder culture does not.

Which Colorado programs actually use a HERS rating?

ENERGY STAR certified new homes need independent rater verification. That is still the national program rule, and Colorado builders who want the label hire raters. ^[3] DOE’s Zero Energy Ready Home program sits above that and also runs through qualified verifiers. ^[13]

The federal new energy efficient home credit (45L) now ties to ENERGY STAR or Zero Energy Ready Home certification, not to a random HERS number you typed in a spreadsheet. Read the IRS page before you promise a builder a tax credit. You are not their CPA. ^[3]

Utility rebates change. Some Front Range utilities have paid for ratings, heat-pump installations, or new-home performance tiers. Those program manuals go stale. Call the utility or the implementer with the address in hand.

Existing-home work shows up through real-estate deals, remodelers, and occasional incentive programs. It is real. It is not as tidy as a production community with the same plan 40 times.

If a program asks for a “certified rater” and cannot name RESNET, ENERGY STAR, or the Provider, get the requirement in writing. Vague program language is how you do free work twice.

What mistakes waste money when you start in Colorado?

Buying gear before you have a Provider. Sitting in a national Zoom class with no Colorado mentor. Quoting IECC 2018 on a job under a 2021 adoption. Skipping elevation in the software. Promising a 45L credit you cannot support. Those are the expensive ones.

Another miss: treating HERS like a statewide contractor license. It is not. If a city asks for a contractor license to pull mechanical permits, that is a different card and a different trade. Do not argue RESNET at a permit counter.

Do not photograph other people’s ratings and reuse the numbers. Providers catch that. Builders talk.

Do not underbid production work at a rate that only works if you never retest. Retests happen. Snow happens. Failed ducts happen.

Hold credentials in more than one western state? Read HERS rater license in Arizona and HERS rater license in California before you print business cards with five state silhouettes. Paper does not transfer just because the Index does. For board-style comparisons, HERS rater board in Arizona shows how different a true state board path feels next to Colorado’s RESNET-only setup.

What should you confirm before you spend money?

Confirm four things in writing. The current RESNET candidate process and fees. Your Rating Provider’s insurance, software, and QA rules. The adopted energy code and ERI options in the cities you will actually work. The Secretary of State and city business filings for your setup. ^{[1][7][8][11]}

Call the building department for the first zip code you want to work. Ask whether they see ERI or HERS files, which code year they adopted, and whether they want the rater at rough-in, final, or both. Ten minutes on the phone beats a wrong software library.

Ask your Provider who mentors in your part of Colorado. If the answer is “we will find someone,” wait. Find someone first.

HERSPath is an independent publisher, not a law firm and not a Rating Provider. Use this as a paper map. Pay RESNET and your Provider the amounts they publish this month, not a number you saw on a blog.

Frequently asked questions

Do you need a license for HERS rater in Colorado?

No state occupational license exists for HERS raters in Colorado. You need RESNET certification and a signed relationship with a RESNET-accredited Rating Provider. You may also need a local business license and ordinary Secretary of State filings if you operate a company. Confirm city rules where you will invoice clients.

How much does HERS rater cost in Colorado?

There is no state HERS license fee. You pay training tuition, RESNET and Rating Provider fees, software, insurance, and test equipment. Those prices change and are not set by DORA. Get written quotes from a trainer and a Provider. Confirm Secretary of State filing fees before you form an LLC.

How long does HERS rater take in Colorado?

There is no state processing clock. Class time can be short. Candidate field work takes as long as you need to finish the current MINHERS tasks on real houses with a mentor. Provider onboarding and first QA reviews add more time. Anyone who guarantees a start date is selling a course, not a board decision.

Is a HERS rater the same as a home inspector in Colorado?

No. A home inspector looks at general condition. A HERS rater measures energy features and runs RESNET tests to produce an Index through a Rating Provider. Some people hold both credentials. The standards, software, and liability are different. Do not market a home-inspection visit as a HERS rating.

Do I need a Colorado contractor license to rate homes?

Not for the rating itself. HERS work is a rating credential, not a state contractor classification. If you also install insulation, pull mechanical permits, or bid trade work, that is a separate local licensing question. Ask the building department for the actual trade, not for HERS.

Can a RESNET HERS credential from another state be used in Colorado?

The RESNET rater credential is national. Your Rating Provider still has to accept the work and file it. Colorado business licenses, tax accounts, and insurance endorsements do not travel automatically. Re-paper the company if you move here. Confirm Provider territory rules before you rate a Colorado address.

How many mentored ratings do I need?

MINHERS Chapter 2 sets the candidate tasks, and RESNET amends that document. Do not trust a blog for the count. Ask your accredited trainer and your Rating Provider for the current checklist and keep a copy. Finish every required observed task. Partial unofficial ride-alongs do not count.

Do Colorado HERS raters need a blower door?

Yes, if you plan to perform the envelope leakage tests RESNET protocols require. A calibrated blower door is standard field gear. Duct-leakage equipment is next for most new construction. Confirm the exact kit your Provider will accept before you buy, including calibration paperwork.

Does altitude change HERS testing in Colorado?

It can. Many Colorado homes sit well above 5,000 feet, and software climate data plus some test calculations need the right elevation. Mountain towns also change heating design and envelope details. Use mentors who have actually rated above the Front Range, not only Denver infill.

Can HERS ratings support the federal 45L credit?

45L now ties to ENERGY STAR or Zero Energy Ready Home certification, which independent raters help verify. A standalone HERS Index is not, by itself, the credit. Read the current IRS new energy efficient home credit page and tell the builder to talk to their tax advisor. Do not promise a dollar amount.

Should I form an LLC before I take the RESNET class?

You can take class as an individual. Form the LLC when you are ready to invoice, open a bank account, or sign a Provider agreement in a company name. Confirm the current Colorado Secretary of State filing fee first. An LLC does not replace RESNET certification or insurance.

Where do I find a Rating Provider that works in Colorado?

Use RESNET’s accredited Provider resources and ask trainers who already place Colorado candidates. Interview more than one shop. Compare QA style, software, insurance minimums, and whether they have a mentor within driving distance. A national Provider with no local mentor is a hard way to finish candidate work.

Sources

1. RESNET, HERS Raters: A Home Energy Rating includes plan analysis and onsite inspections by a rater using approved energy software, and RESNET sets the rater certification path.
2. RESNET, About HERS: HERS Index 100 is the Reference Home based on the 2006 IECC and 0 is a net-zero energy home.
3. ENERGY STAR, Certified New Homes: ENERGY STAR certified new homes require independent third-party rater verification and field testing.
4. RESNET, MINHERS Standards: MINHERS is the Mortgage Industry National Home Energy Rating Standards that govern rater tasks, testing, and QA, with ANSI/RESNET/ICC 301 as the calculation standard.
5. Colorado Secretary of State, Business Home: The Colorado Secretary of State files LLCs and corporations and publishes current filing fees online.
6. U.S. DOE Building Energy Codes Program, Colorado status: DOE tracks Colorado energy code adoption status, with local adoption and enforcement still central in the state.
7. Colorado General Assembly, HB22-1362: HB22-1362 is the 2022 Colorado act titled concerning measures to support building decarbonization.
8. Colorado General Assembly, HB19-1260: HB19-1260 required Colorado local jurisdictions to adopt recent IECC editions on the bill’s statutory timeline.
9. Colorado Energy Office, Building Energy Codes: The Colorado Energy Office publishes the state’s building energy code program and related model-code work.
10. Colorado Department of Revenue, Sales tax license: Colorado publishes sales tax license rules and applications for businesses that must collect sales tax.
11. U.S. DOE, Zero Energy Ready Home program: DOE’s Zero Energy Ready Home program is a national above-code new-home certification that uses qualified verifiers.