STACK vs CavSoft Evolution

SSTACK5.0Visit CavSoft Evolution—Visit

Higher score S STACK #3 in HVAC Estimating Software 5.0/10 Free plan · 7-day trial Free plan✓ 0 of 6 features Visit STACK

vs

CavSoft Evolution #4 in HVAC Estimating Software —/10 Pricing on request ✓ 3 of 6 features Visit CavSoft

• STACK fits best

  Teams needing broad takeoff and estimating workflows

• CavSoft Evolution fits best

  HVAC estimators preparing plan-based project proposals

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Side by side

Feature	SSTACK 5.0/10 Visit ↗	CavSoft Evolution —/10 Visit ↗
At a glance
Editor score	5.0	—
Ranking	#3 in HVAC Estimating Software	#4 in HVAC Estimating Software
Best for	Teams needing broad takeoff and estimating workflows	HVAC estimators preparing plan-based project proposals
Pricing model	Free plan + paid	Paid
Starting price	Not published	Not published
Free plan	✓ (best)	Not published
Free trial	—	—
Deployment	Cloud, Desktop, Mobile	Cloud
Platforms	Web, Windows, iOS, Android	Web
Support	Email, Live chat, Phone, Community, Docs	Email
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market
Features STACK 0/6 · CavSoft Evolution 3/6
HVAC cost database	Not published	Not published
Labor-rate database	Not published	✓ (best)
HVAC takeoff tools	Not published	✓ (best)
Proposal builder	Not published	✓ (best)
Job costing	Not published	Not published
QuickBooks sync	Not published	Not published
Specs
Mobile apps	Not published	Not published
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	Combines labor installation times and material costs in estimates Drawing overlays help compare plan revisions and project changes Customizable assemblies and customer-facing proposals support bid preparation
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	Pricing is handled through sales rather than published plans Browser access depends on an internet connection No dedicated iOS or Android apps are documented
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 →	CavSoft Evolution is cloud-based estimating and takeoff software for HVAC contractors. It is aimed at estimators who prepare project proposals from plans and need labor installation times and material costs represented in their estimates.… 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

• CavSoft Evolution — where it wins

  • Combines labor installation times and material costs in estimates
  • Drawing overlays help compare plan revisions and project changes
  • Customizable assemblies and customer-facing proposals support bid preparation

  Where it doesn't

  • Pricing is handled through sales rather than published plans
  • Browser access depends on an internet connection
  • No dedicated iOS or Android apps are documented

• SSTACK5.0/10 · Free plan · 7-day trial

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

  Visit STACKFull verdict →
• CavSoft Evolution—/10 · Pricing on request

  A focused HVAC estimator combining plan takeoff, cost inputs and customer proposals.

  Visit CavSoftFull verdict →