FHC Digital System
Free HVAC calculators with the working shown
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AC and furnace sizing, duct size, CFM, SEER2 savings, running cost and dew point. Sourced and tested.
PH · launched Nov 11, 2026 · 1 upvote (top 65%) · 0 views
Niche: specialized calculation tools · 551 launches, 66 in the last 7 days ▼ -7% · Explore this niche →
Category and tags
- Construction
- B2B
- Not AI
- Commercial product
- Productivity
- Education
- Developer Tools
Visit website ↗ Source listing ↗
More like this: all 551 launches in specialized calculation tools →
Could you build this?
Yes The calculators apply published HVAC formulas for CFM, duct sizing, dew point, and running cost, which an AI assistant can implement, though accuracy checking benefits from an HVAC engineer.
Competitors
Other products that read as similar to this one : 477 launches clear the similarity bar, closest 8 shown.
Attention rank: #80 of 478 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 239 days after the earliest competitor.
- HVAC Load Calculator · ph · 2026-10-13 · 10 upvotes · similarity 0.57
- CalcDelta · ph · 2026-10-02 · 1 upvotes · similarity 0.49
- WattWise · ph · 2026-10-29 · 1 upvotes · similarity 0.49
- Home Energy Calculators · ph · 2026-10-11 · 1 upvotes · similarity 0.48
- Age by Serial Number · ph · 2026-10-20 · 2 upvotes · similarity 0.48
- CalculatorBooth · ph · 2026-09-30 · 1 upvotes · similarity 0.48
- CalcProMaster — 1200+ Free Calculators · ph · 2026-09-22 · 1 upvotes · similarity 0.47
- CalculatorHub · ph · 2026-09-07 · 1 upvotes · similarity 0.47
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.