Quick review
Quote Check
$49
A practical review of your estimate, technician notes, and equipment details—plus questions to ask before approving work.
Check my quoteIndependent HVAC review
Before you spend thousands replacing your HVAC system, find out if you really need to.
Send the quote, readings, and photos. We explain what the documentation supports—and what you should ask before making an expensive decision.
Reviews start at $49. We do not sell equipment or repairs.
The HVAC Proof promise
Same evidence. A clearer path.
We don’t sell systems.
Our review is never tied to equipment sales.
We don’t sell repairs.
There is no incentive to inflate or dismiss a recommendation.
We sell second opinions.
You get an evidence-focused review in plain English.
A better second opinion
Turn contractor paperwork into useful questions.
HVAC Proof reviews the documentation you provide. It does not replace onsite testing or claim to remotely diagnose conditions that require physical inspection.
- 01
Send the evidence
Upload the invoice, estimate, technician notes, photos, equipment model and serial numbers, and any diagnostic readings.
- 02
We review what supports the claim
A qualified HVAC professional looks for supporting readings, missing tests, equipment context, and repair-versus-replacement factors.
- 03
Get a plain-English report
See what is known, what the evidence supports, what is missing, what to ask, and a practical next step before you approve work.
Inside your report
A decision framework—not more technical noise.
What we know
What the evidence supports
What information is missing
Questions for the contractor
Repair versus replace context
Recommended next step
Choose your review
Match the review to the size of the decision.
Start with the paperwork you already have. More complex diagnoses can include a deeper written analysis or a live conversation.
Full evidence review
Diagnostic Second Opinion
$99
A deeper written review of the reported readings, equipment context, missing diagnostic information, and repair-versus-replacement factors.
Get a second opinionLive guidance
Expert Consultation
$149
Everything in the diagnostic review, plus a phone or video consultation to walk through the findings, available options, and questions to ask before signing.
Book consultationStart here
Available reviews
Select a currently available HVAC Proof service to continue.
Before you sign
They gave you a diagnosis. Let’s review the proof.
Our job is not to talk you into or out of a repair. It is to help you understand the evidence before you spend your money.