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Head-to-head · HVAC Estimating Software

OneEstimate vs QuoteSoft

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score OneEstimate #5 in HVAC Estimating Software 7.7/10 Free plan Free plan✓ 4 of 6 features Visit OneEstimate
QuoteSoft #6 in HVAC Estimating Software 7.6/10 Pricing on request ✓ 0 of 6 features Visit QuoteSoft

OneEstimate leads on 0 checks, QuoteSoft on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOneEstimate · 7.7/10
  • Free planonly OneEstimate
  • Most featuresOneEstimate · 4 of 6

OneEstimate scores higher on our rubric for hvac estimating software: 7.7 against 7.6 out of 10; our editors rank them #5 and #6.

OneEstimate is the better fit for small HVAC teams wanting low-cost takeoff and proposals. QuoteSoft is the better fit for mechanical estimators handling complex plan-based bids.

  • OneEstimate fits best

    Small HVAC teams wanting low-cost takeoff and proposals

  • 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 OneEstimate 7.7/10 Visit ↗ QuoteSoft 7.6/10 Visit ↗
At a glance
Editor score 7.7 7.6
Ranking #5 in HVAC Estimating Software #6 in HVAC Estimating Software
Best for Small HVAC teams wanting low-cost takeoff and proposals Mechanical estimators handling complex plan-based bids
Pricing model Free plan + paid Paid
Starting price $19/mo Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud Desktop
Platforms Web Windows
Integrations 1 integrations 6 integrations
Built for Solo, Small business, Mid-market Small business, Mid-market, Enterprise
Features OneEstimate 4/6 · QuoteSoft 0/6
HVAC cost database ✓ (best) Not checked yet
Labor-rate database ✓ (best) Not checked yet
HVAC takeoff tools ✓ (best) Not checked yet
Proposal builder ✓ (best) 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
  • HVAC assemblies cover equipment, ductwork, insulation, and refrigerant
  • On-screen takeoff measures duct runs and counts fixtures or equipment
  • Branded PDF proposals and Excel exports support client-ready estimates
  • Takes off PDFs, CAD drawings, and BIM files.
  • Shows labor hours and material costs during takeoff.
  • Calculates rectangular, round, and oval ductwork.
Cons
  • Free and START plans limit takeoff to one per project
  • The product is available through the web only
  • Business-level BIM support is limited to IFC import
  • Designed for Windows desktop workstations and local networks.
  • Pricing requires contacting sales.
  • Support is not available 24/7.
Our verdict

OneEstimate is browser-based estimating software tailored to HVAC contractors and small construction teams. Its assemblies cover equipment, ductwork, insulation, refrigerant, diffusers, and grilles, while plan takeoff converts measured…

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. OneEstimateHVAC Estimating Software 7.7Free plan
  2. QuoteSoftHVAC Estimating Software 7.6Pricing on request

Strengths and trade-offs

  • OneEstimate — where it wins

    • HVAC assemblies cover equipment, ductwork, insulation, and refrigerant
    • On-screen takeoff measures duct runs and counts fixtures or equipment
    • Branded PDF proposals and Excel exports support client-ready estimates

    Where it doesn't

    • Free and START plans limit takeoff to one per project
    • The product is available through the web only
    • Business-level BIM support is limited to IFC import

  • 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.

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