Top 5 Most Common HVAC Scams (and How to Avoid Them)
From ACR Heating and Cooling | Shelbyville, MI — Proudly Serving the Greater Grand Rapids Area
At ACR Heating and Cooling, we believe that honesty, education, and quality craftsmanship should define every customer experience. Unfortunately, in the HVAC world, there are contractors who cut corners or pressure customers into paying for services they don’t need.
Here are the top 5 HVAC scams homeowners should be aware of, with insights on how to spot and avoid them — and why choosing a reliable, experienced team like ACR matters.
1. “You Need a Whole New System” When You Don’t
The scam: Some techs tell you your system is “beyond repair” and push an expensive replacement — even when a fix could work just fine.
🔎 Reality check: The average HVAC system lasts 15 to 20 years, according to the U.S. Department of Energy (DOE) — and regular maintenance can extend that lifespan. Not every issue means total replacement.
How to avoid it:
- Get a second opinion and a written explanation.
- Ask for photos of any damage or component wear.
- Work with a contractor who presents all repair and replacement options clearly — without pressure.
2. Bait-and-Switch “Tune-Up Specials”
The scam: Low-cost tune-ups (e.g., $29–$39) that serve as bait to upsell unnecessary repairs or “urgent” fixes.
💡 Tip: A proper HVAC tune-up should include a multi-point inspection, cleaning, and performance test. If the fine print is vague or the service is suspiciously fast, it may be a red flag.
How to avoid it:
- Ask what the tune-up includes in writing.
- Check Google or BBB reviews for consistent patterns of service.
- Don’t approve repairs you don’t understand — ask for documentation.
3. Recharging Refrigerant Without Fixing the Leak
The scam: You’re charged hundreds to “recharge” your refrigerant, but the root leak is ignored — leading to repeat calls and higher costs.
📌 Important: Refrigerant doesn’t get “used up.” If your system is low, it means there’s a leak. According to the EPA, technicians are required to find and repair leaks rather than topping off systems (EPA Section 608).
How to avoid it:
- Always ask: “Did you detect and repair the leak?”
- Request a leak test and report before authorizing a recharge.
4. Selling the Wrong Size System
The scam: Some companies push oversized units to increase profit — or install undersized ones to win a low-bid job — resulting in uneven temps, noise, and high energy bills.
📐 Fact: Proper HVAC sizing requires a Manual J Load Calculation, which considers your home’s square footage, insulation, windows, and more. The U.S. DOE says improperly sized HVAC systems can reduce energy efficiency by up to 30%.
How to avoid it:
- Ask for proof of a Manual J or similar calculation.
- Avoid any company that recommends a system without inspecting your home first.
5. Inflated or Fake Parts Replacements
The scam: You’re told a part like a capacitor, fan motor, or circuit board needs urgent replacement — when it’s either fine or the markup is wildly inflated.
🛠 According to HomeAdvisor, common HVAC part replacements range widely: capacitors ($120–$250), blower motors ($400–$600), etc. (HomeAdvisor HVAC Repair Cost Guide)
How to avoid it:
- Request to see the old part before replacement.
- Ask for itemized estimates and compare to average market rates.
- Work with a licensed, transparent team like ACR Heating and Cooling.
🔒 Bonus: How to Protect Yourself
✅ Verify licensing with the State of Michigan via the LARA License Lookup Tool
✅ Check reviews on platforms like Google and the Better Business Bureau (BBB)
✅ Ask for a second opinion if a quote seems high or urgent
✅ Get repair details in writing — including labor, warranty, and parts
Why Choose ACR Heating and Cooling?
At ACR Heating and Cooling, we’ve built our reputation across Shelbyville and the greater Grand Rapids region by treating customers like family — with fair pricing, honest advice, and no pushy sales tactics. With years of experience serving the unique climate needs of Southwest Michigan, we’re the partner you can trust to get the job done right.
📍 Locally owned & operated in Shelbyville, MI and serving the greater Grand Rapids, MI area
🌐 www.acrheatingandcooling.com
📞 Ready for HVAC help you can count on? Call us today or book online through our website!

