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Head-to-head · HVAC Estimating Software

STACK vs QuoteSoft

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score STACK #3 in HVAC Estimating Software 7.8/10 Free plan · 7-day trial Free planFree trial✓ 0 of 6 features Visit STACK
QuoteSoft #6 in HVAC Estimating Software 7.6/10 Pricing on request ✓ 0 of 6 features Visit QuoteSoft

STACK leads on 0 checks, QuoteSoft on 0, and 1 is 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 · 7.8/10
  • Free planonly STACK
  • Free trialonly STACK

STACK scores higher on our rubric for hvac estimating software: 7.8 against 7.6 out of 10; our editors rank them #3 and #6.

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

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature STACK 7.8/10 Visit ↗ QuoteSoft 7.6/10 Visit ↗
At a glance
Editor score 7.8 7.6
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 — Pricing on request
Free plan ✓ (best) Not checked yet
Free trial 7 days —
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 checked yet Not checked yet
Labor-rate database Not checked yet Not checked yet
HVAC takeoff tools Not checked yet Not checked yet
Proposal builder Not checked yet Not checked yet
Job costing Not checked yet Not checked yet
QuickBooks sync Not checked yet Not checked yet
Specs
Mobile apps Not checked yet Not checked yet
Our review
Pros
  • Digital measurements, markups, overlays, and drawing comparisons
  • Labor, material, item, and assembly estimating worksheets
  • Web, desktop, mobile access with accounting and ERP integrations
  • Takes off PDFs, CAD drawings, and BIM files.
  • Shows labor hours and material costs during takeoff.
  • Calculates rectangular, round, and oval ductwork.
Cons
  • 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
  • Designed for Windows desktop workstations and local networks.
  • Pricing requires contacting sales.
  • Support is not available 24/7.
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 →
  1. STACKHVAC Estimating Software 7.8Free plan · 7-day trial
  2. QuoteSoftHVAC Estimating Software 7.6Pricing on request

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.
  • STACK7.8/10 · Free plan · 7-day trial

    Broad digital takeoff and estimating for HVAC teams that need construction-wide workflows.

    Visit STACKFull verdict →
  • QuoteSoft7.6/10 · Pricing on request

    Windows estimating software for detailed HVAC takeoff, costing, and bid scenarios.

    Visit QuoteSoftFull verdict →

More comparisons

All HVAC estimating software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update