softwarehvac.com

SoftwareHvac.com

SoftwareHvac.com is the web presence of Hands Down Software, a firm composed of engineering and software development professionals offering psychrometric and HVAC engineering software. Their products address areas including psychrometric property algorithms, refrigeration cycle modeling, air and acoustical modeling, energy analysis, and automated CAD/CNC design systems. The company serves HVAC engineers and related industry professionals, drawing on staff experience spanning over three decades.

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Authority

—/100

Safety

90/100

0 of 2 safety checks passed (Sep 16, 2026).

AboutUs has not vetted this site. 2 of 2 automated safety checks did not pass. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.

Current facts

Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.

2016 record

Domain registered Dec 11, 2003 — 22 years old.

2026 zone

Not delegated in the TLD zone as of Aug 18, 2026 — this domain no longer resolves.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority: not enough signals yetClear

Why we're not scoring this yet

We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.

Safety evidence

No unexpired threat-feed result; name-similarity check available (recorded about 30 days ago); 3/3 transport and email checks available (oldest recorded about 30 days ago). This is evidence coverage, not a probability that a website is safe.

Recorded HTTPS check did not confirm a valid connection
No MX and no DMARC (mild)

Site history

Dated record — historical facts always carry their date.

2026
Checked today — 0 of 2 safety checks passed (Sep 16, 2026).

✓ live verified Sep 16, 2026

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