The 5-Star Scam: A Homeowner's Guide to Predatory HVAC Practices

Many homeowners are confused when a large HVAC company has thousands of 5-star reviews but is also the subject of complaints alleging predatory behavior and scams. This is not a contradiction; it is a deliberate business model. Here are the red flags and tactics to be aware of.

Summary Of Key Points

• The Low-Cost "Tune-Up" Trap: A flyer for a "$29 tune-up" is often not a service, but a customer acquisition cost. Its only purpose is to get a salesperson into your home legally.

• The "Cracked Heat Exchanger" Scare: This is the most common scam. A technician will "discover" a crack—often one that doesn't exist or is shown using fake photos from another person's furnace. Heat exchanger do sometimes crack and it is a serious issue. That is why having a company you can trust is so important.

• Carbon Monoxide Panic: To force a quick decision, the tech will claim the "crack" is leaking "dangerous" carbon monoxide. They may even shut off your gas in the middle of winter to create a sense of panic and urgency. This scare tactic can be highly effective since it plays off of the real dangers of carbon monoxide. We suggest you call us for a second opinion if you have any doubts. See the related story here: https://www.premierac1.com/hvac-tips-for-bakersfield-homeowners/disney-family-carbon-monoxide-tragedy

• Absurdly High Quotes: The "problem" (which is often minor or non-existent) is used as a pretext to quote an unnecessary full system replacement at a ridiculous price.

• The Commission-Based "Technician": The person who arrives is often a salesperson, not a repair tech. Their income is based on commission, creating an intense financial incentive to sell you the most expensive option, not to fix your problem.

• The "Review Gating" Machine: The company hides its predatory side by using special software to filter its customers. Happy customers are sent to Google to leave 5-star reviews, while unhappy victims are sent to a private internal complaint form.

The Details of the "Two-Faced" Company: A Service Business vs. a Sales Business

The key to understanding the 5-star paradox is realizing these companies are actually running two different operations at the same time.

1. Business #1: The "Service" Business
   This is the high-volume, low-margin side of the company. It performs simple, routine tasks like scheduled annual maintenance for customers on a subscription plan. The technicians are polite, punctual, and professional. These customers are genuinely happy with their simple, low-stakes interaction. This business is a "factory" for generating thousands of real 5-star reviews.

2. Business #2: The "Sales" Business
   This is the company's real profit center. It uses the trust and high ratings from the "Service" business to attract new customers (often through low-cost tune-up ads). This business sends a highly-incentivized salesperson (disguised as a "senior tech" or "comfort specialist" ) to turn that cheap service call into a massive, high-margin, and often unnecessary full-system replacement.

The 5-star reviews from Business #1 create a digital "shield" of trustworthiness that allows Business #2 to successfully find and exploit its victims.

The Technician's Playbook: How the Scam Works

The predatory encounter follows a predictable script.

It begins with a low-cost "loss leader" offer, like a "$29 tune-up," designed to get a salesperson in your door. Once inside, the technician's goal is to pivot from service to sales.

The most common tactic is the "cracked heat exchanger" scam. The tech will claim to find a "dangerous" crack, often using scare tactics about "carbon monoxide poisoning". They may show you blurry photos on their tablet, which consumer complaints later reveal were often pictures from a different furnace.

To create maximum panic, the tech may "condemn" your unit and shut off your gas, leaving you with no heat in the cold. At this point, a "comfort consultant"—a sales closer—is dispatched to your home. They will present an absurdly high quote for a full system replacement, pressuring you to sign immediately to "keep your family safe".

In documented consumer complaints, the homeowners who resist and call an honest, independent company for a second opinion are often told there is no crack at all. The real problem is frequently a simple, inexpensive part like a bad ignitor, which the second company replaces for a reasonable cost.

The Motive: Why Are Technicians Pushing So Hard?

This behavior is not an accident; it is the direct result of the company's financial structure.

The primary driver is commission-based pay. The person in your home is often not a salaried technician but a salesperson who earns little to no hourly wage. They are paid a percentage of what they sell. This creates what technicians themselves call an "inherent conflict of interest" and a "sell or starve" culture. Technicians on industry forums complain this model forces them to "pressure that 80 year old lady on a fixed income" just to make a living.

This high-pressure sales culture is often driven by a larger trend: private equity (PE) acquisitions. In recent years, PE firms have been buying up (or "rolling up") hundreds of local "mom-and-pop" HVAC and plumbing shops to create giant, national platforms. These firms operate on a 3-7 year timeline and need to show massive, "quick profits". This demand for rapid, high-margin growth requires the company to push an expensive system replacements, not $200 repairs. This "cultural shift" is the source of the commission-based sales model that turns tradesmen into "corporate hustlers".

How They "Game" the 5-Star System

The predatory sales model creates a steady stream of angry, scammed customers. To hide this, companies use sophisticated reputation management systems to "game" review platforms.

The main tactic is "review gating".10 This is a filtering system, often automated by software, that ensures only positive reviews make it to the public.

Here is how it works:

1. The Internal Survey: After a job, all customers receive a text or email asking a simple, private question like, "How was your experience?" with "Good" or "Bad" options.

2. The "Positive Funnel": If you click "Good," the software immediately directs you to the company's public Google review page, making it easy to leave a 5-star review.

3. The "Negative Funnel": If you click "Bad," you are automatically sent to a private internal feedback form. Your complaint goes directly to a manager, but it is never posted publicly.

This system perfectly segregates the two business models. The happy "Service" customers (Business #1) are funneled to Google, creating the 5-star reputation. The scammed "Sales" victims (Business #2) are funneled into a private black hole, silencing them. This practice is a direct violation of Google's and the Federal Trade Commission's (FTC) policies, which prohibit selectively soliciting positive reviews.

How to Spot the "Two-Faced" Narrative

The best way to protect yourself is to read the reviews, not just look at the overall score. You will often find two completely different stories:

• The 5-Star Reviews: Look for repetition. They will almost exclusively praise the technician's demeanor, not their technical skill or price. They will be full of keywords like "polite," "punctual," "professional," "friendly," and "courteous".14 These reviews are from the simple, low-stakes "Service" business.

• The 1-Star Reviews: You may have to dig to find them, but they will also be repetitive, telling a complex story of financial fraud. They will be full of keywords like "scam," "overpriced," "unnecessary," "lies," and "high-pressure".4 Most importantly, they will cite specific, high-dollar figures like "$7,500 for unnecessary vents" 5 or "$15,000 for a furnace that only needed a $200 part".4 These reviews are the victims of the "Sales" business.

When the 5-star reviews describe a polite friend and the 1-star reviews describe a financial predator, you have likely found a "5-Star Scam."

Some Companies Plant Fake Reviews

Some Youtube videos describe highly suspicious reviews and describe how they investigated them.
This one is titled “DO NOT Trust Yelp for Contractor Reviews” - YouTube, https://www.youtube.com/watch?v=9PMxhc9ZfBo

Works cited

1. Predatory Practices of Florida's HVAC Industry: Fraud, Upselling & the Cost to Consumers | by Edmond Thorne | Sep, 2025 | Medium, accessed November 8, 2025, https://medium.com/@edmondthorne/predatory-practices-of-floridas-hvac-industry-fraud-upselling-the-cost-to-consumers-5d166fe02272

2. Uncovering Unethical HVAC Scams: 8 Red Flags to Watch Out For - Autumn Air, accessed November 8, 2025, https://autumnairbirmingham.com/unethical-hvac-scams-red-flags-to-know/

3. Any other victims of Any Hour HVAC scams in SLC? : r/SaltLakeCity - Reddit, accessed November 8, 2025, https://www.reddit.com/r/SaltLakeCity/comments/18bi9z8/any_other_victims_of_any_hour_hvac_scams_in_slc/

4. Grapids Home Services | BBB Reviews | Better Business Bureau, accessed November 8, 2025, https://www.bbb.org/us/mi/grand-rapids/profile/heating-and-air-conditioning/grapids-home-services-0372-25004871/customer-reviews?page=2

5. Heating and Air Conditioning Installation in Bay View, WI at The ..., accessed November 8, 2025, https://www.homedepot.com/services/l/wi/bay-view/heating-air-conditioning-installation/c16fbb4b7/reviews/page/1

6. What HVAC Contractors Don't Want You To Know - YouTube, accessed November 8, 2025, https://www.youtube.com/watch?v=7NUT0petVLA

7. Why We Will Never Pay Our Service Techs on Commission - Henson Heating & Cooling, accessed November 8, 2025, https://www.hensoncomfort.com/insights/hhbex6mstdmd6l05aomsxhta78ppro

8. What Large HVAC Companies Don't Want You to Know - Air Conditioning Repair, accessed November 8, 2025, https://terrysacandheating.com/what-large-hvac-companies-dont-want-you-to-know/

9. To Catch a Gimmick: Part Two | Reliant Air Conditioning, accessed November 8, 2025, https://reliantairconditioning.com/to-catch-a-gimmick-part-two/

10. Can You Collect Only Positive Reviews? The Scoop on Review Gating, accessed November 8, 2025, https://human.marketing/blog/the-scoop-on-review-gating

11. Review gating example - Google Business Profile Community, accessed November 8, 2025, https://support.google.com/business/thread/159476909/review-gating-example?hl=en

12. What the FTC and Google Say About Review Gating - SOCi, accessed November 8, 2025, https://www.soci.ai/knowledge-articles/review-gating/

13. Jobs Involving Routine Tasks Aren't Growing - Federal Reserve Bank of St. Louis, accessed November 8, 2025, https://www.stlouisfed.org/on-the-economy/2016/january/jobs-involving-routine-tasks-arent-growing

14. Maximizing Customer Satisfaction in the HVAC Business - Trade Agent, accessed November 8, 2025, https://www.thetradeagent.com/blog/maximizing-customer-satisfaction-in-the-hvac-business

15. BEWARE: 8 HVAC REPAIR SCAMS YOU CAN'T AFFORD TO IGNORE - Arc Electric, accessed November 8, 2025, https://arcelechvac.com/2025/03/25/beware-8-hvac-repair-scams-you-cant-afford-to-ignore/

16. How to Safeguard Yourself Against Common HVAC Scams, accessed November 8, 2025, https://www.hvac.com/expert-advice/common-hvac-scams/

17. Why do most HVAC guys dislike commission? - Reddit, accessed November 8, 2025, https://www.reddit.com/r/HVAC/comments/13t7p49/why_do_most_hvac_guys_dislike_commission/

18. The Issue with Commission-Based HVAC Companies | SS&B ..., accessed November 8, 2025, https://ssbhc.com/news/the-problem-with-commission-based-hvac-companies

19. Understanding the Difference Between Commission and Fixed-Pay HVAC Technicians, accessed November 8, 2025, https://fosterpandh.com/blog/understanding-the-difference-between-commission-and-fixed-pay-hvac-technicians

20. HVAC Commission Pay: How to Design a Plan That Drives Profit (Not Problems), accessed November 8, 2025, https://www.sharewillow.com/blog/hvac-commission-pay

21. Should You Pay Technicians Commission? Weighing the Pros, Cons & Best Practices, accessed November 8, 2025, https://gb3.ai/technician-commission-vs-hourly-pay/

22. Residential Tech on Commissions : r/HVAC - Reddit, accessed November 8, 2025, https://www.reddit.com/r/HVAC/comments/1h98t6v/residential_tech_on_commissions/

23. It's hot out there. Please recommend your reputable HVAC company in case AC goes down. : r/newjersey - Reddit, accessed November 8, 2025, https://www.reddit.com/r/newjersey/comments/1djhsb6/its_hot_out_there_please_recommend_your_reputable/

24. Private equity is buying up businesses in the skilled trades - Marketplace.org, accessed November 8, 2025, https://www.marketplace.org/story/2024/10/24/private-equity-buying-up-businesses-in-the-skilled-trades-hvac-plumbing-electrician

25. ICYMI: WSJ Highlights How Private Equity Transforms Plumbing and HVAC Small Businesses, Boosting Wages and Growth - American Investment Council, accessed November 8, 2025, https://www.investmentcouncil.org/icymi-wsj-highlights-how-private-equity-transforms-plumbing-and-hvac-small-businesses-boosting-wages-and-growth/

26. HVAC deal analysis shows why private equity is snapping up targets in the South - PE Hub, accessed November 8, 2025, https://www.pehub.com/80-pe-backed-hvac-deals-and-what-they-show-about-investing-trends/

27. HVAC Heating Up with No Signs of Cooling Down - The Rising Deal Trend of Private Equity in the HVAC Sector, accessed November 8, 2025, https://www.sadis.com/insights/hvac-heating-up-with-no-signs-of-cooling-down-the-rising-deal-trend-of-private-equity-in-the-hvac-sector

28. How to Sell Your HVAC Business for Maximum Value in 2025 - Brentwood Growth, accessed November 8, 2025, https://www.brentwood-growth.com/blog/hvac/how-to-sell-hvac-business-guide/

29. Platform plays in HVAC industry; record private equity megadeal value | S&P Global, accessed November 8, 2025, https://www.spglobal.com/market-intelligence/en/news-insights/articles/2025/10/platform-plays-in-hvac-industry-record-private-equity-megadeal-value-94457026

30. Navigating the New Frontier: Private Equity and the HVAC/R Industry - Total Comfort Group, accessed November 8, 2025, https://total-cg.com/navigating-the-new-frontier-private-equity-and-the-hvac-r-industry/

31. Selling Your HVAC Company to Private Equity: How to Achieve Your Ideal Exit - Axial, accessed November 8, 2025, https://www.axial.net/forum/hvac-private-equity/

32. accessed November 8, 2025, https://www.getweave.com/review-gating/#:~:text=Review%20gating%20refers%20to%20the,reflect%20the%20true%20customer%20experience.

33. Is Review Gating Allowed? Understanding Google's New Policy ..., accessed November 8, 2025, https://www.podium.com/article/review-gating

34. Review gating : What is it ? And what are the risks ? - Loyoly, accessed November 8, 2025, https://www.loyoly.io/blog/review-gating

35. Filtering Negative & Positive Reviews. Catch Them BEFORE They Post! - YouTube, accessed November 8, 2025, https://www.youtube.com/watch?v=LPVlzlZBkBk

36. Everything you need to know about review gating (why transparency always triumphs), accessed November 8, 2025, https://www.customer-alliance.com/en/articles/review-gating/

37. Review Gating: How it Hurts Your Business Reputation - Weave, accessed November 8, 2025, https://www.getweave.com/review-gating/

38. Use of Consumer Reviews and Testimonials: Final Rule - Federal Trade Commission, accessed November 8, 2025, https://www.ftc.gov/system/files/ftc_gov/pdf/r311003consumerreviewstestimonialsfinalrulefrn.pdf

39. The Consumer Reviews and Testimonials Rule: Questions and Answers | Federal Trade Commission, accessed November 8, 2025, https://www.ftc.gov/business-guidance/resources/consumer-reviews-testimonials-rule-questions-answers

40. Federal Trade Commission Announces Final Rule Banning Fake Reviews and Testimonials, accessed November 8, 2025, https://www.ftc.gov/news-events/news/press-releases/2024/08/federal-trade-commission-announces-final-rule-banning-fake-reviews-testimonials

41. Why do so many home improvement companies have great Google ..., accessed November 8, 2025, https://www.reddit.com/r/Austin/comments/1mul1it/why_do_so_many_home_improvement_companies_have/

42. Yelp vs. Google Reviews: Why Your Business Needs to Focus on Google - Contractor Calls, accessed November 8, 2025, https://contractorcalls.com/yelp-vs-google-reviews/

43. Yelp vs. Google: Why Home Services Prefer Google Reviews - Philip A. Saunders, accessed November 8, 2025, https://www.philipasaunders.com/yelp-reviews-vs-google-reviews/

44. DO NOT Trust Yelp for Contractor Reviews - YouTube, accessed November 8, 2025, https://www.youtube.com/watch?v=9PMxhc9ZfBo

45. Why are most AC companies in CFL crooks and scammers? : r/orlando - Reddit, accessed November 8, 2025, https://www.reddit.com/r/orlando/comments/1ky833m/why_are_most_ac_companies_in_cfl_crooks_and/

46. Complaints for an employer? : r/Sacramento - Reddit, accessed November 8, 2025, https://www.reddit.com/r/Sacramento/comments/1gvv0hp/complaints_for_an_employer/

47. Scam??? : r/hvacadvice - Reddit, accessed November 8, 2025, https://www.reddit.com/r/hvacadvice/comments/1d5bh36/scam/

48. Beware These 7 Common Air Conditioning Repair Scams - Neighbors Federal Credit Union, accessed November 8, 2025, https://www.neighborsfcu.org/learn/financial-wellness/blog/july-2022/beware-these-7-common-air-conditioning-repair-scams