Head-to-head · HVAC Estimating Software
STACK vs QuoteSoft
STACK leads on 1 check, QuoteSoft on 0, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreSTACK · 5.0/10
- Free planonly STACK
Our editors rank STACK at #3 and QuoteSoft at #6 for hvac estimating software; QuoteSoft has no rubric score yet (facts researched, not yet scored), so the checks below decide.
STACK offers free plan; QuoteSoft doesn't publish it.
STACK is the better fit for teams needing broad takeoff and estimating workflows. QuoteSoft is the better fit for mechanical estimators handling complex plan-based bids.
- STACK fits best
Teams needing broad takeoff and estimating workflows
- QuoteSoft fits best
Mechanical estimators handling complex plan-based bids
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Side by side
| Feature | STACK 5.0/10 Visit ↗ | QuoteSoft —/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 5.0 | — |
| Ranking | #3 in HVAC Estimating Software | #6 in HVAC Estimating Software |
| Best for | Teams needing broad takeoff and estimating workflows | Mechanical estimators handling complex plan-based bids |
| Pricing model | Free plan + paid | Paid |
| Starting price | Not published | Not published |
| Free plan | ✓ (best) | Not published |
| Free trial | — | — |
| Deployment | Cloud, Desktop, Mobile | Desktop |
| Platforms | Web, Windows, iOS, Android | Windows |
| Support | Email, Live chat, Phone, Community, Docs | Phone, Tickets, Docs |
| Integrations | 17 integrations | 6 integrations |
| Built for | Solo, Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features STACK 0/6 · QuoteSoft 0/6 | ||
| HVAC cost database | Not published | Not published |
| Labor-rate database | Not published | Not published |
| HVAC takeoff tools | Not published | Not published |
| Proposal builder | Not published | Not published |
| Job costing | Not published | Not published |
| QuickBooks sync | Not published | Not published |
| Specs | ||
| Mobile apps | Not published | Not published |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | STACK is a cloud-based construction preconstruction platform for specialty contractors, general contractors, suppliers, manufacturers, owners, and developers. Its Takeoff & Estimate product lets HVAC teams upload digital plans, mark up… Read the review → |
QuoteSoft is desktop estimating software for plumbing, piping, HVAC, ductwork, and mechanical contractors. For HVAC estimators, its plan-based workflow combines digital takeoff with labor and material costing, specification-driven… Read the review → |
Strengths and trade-offs
STACK — where it wins
- Digital measurements, markups, overlays, and drawing comparisons
- Labor, material, item, and assembly estimating worksheets
- Web, desktop, mobile access with accounting and ERP integrations
Where it doesn't
- Workflows are construction-wide rather than HVAC-specific
- ERP connectors are available only as a Pro add-on
- Free plan focuses on viewing, markup, and core takeoff tools
QuoteSoft — where it wins
- Takes off PDFs, CAD drawings, and BIM files.
- Shows labor hours and material costs during takeoff.
- Calculates rectangular, round, and oval ductwork.
Where it doesn't
- Designed for Windows desktop workstations and local networks.
- Pricing requires contacting sales.
- Support is not available 24/7.
- STACK5.0/10 · Free plan · 7-day trial
Broad digital takeoff and estimating for HVAC teams that need construction-wide workflows.
Visit STACKFull verdict → - QuoteSoft—/10 · Pricing on request
Windows estimating software for detailed HVAC takeoff, costing, and bid scenarios.
Visit QuoteSoftFull verdict →
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All HVAC estimating software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026