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Head-to-head · HVAC Estimating Software

OneEstimate vs QuoteSoft

  • Updated Sep 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score OneEstimate #5 in HVAC Estimating Software 7.5/10 Free plan · paid from $19/mo Free plan✓ 4 of 6 features Visit OneEstimate
QuoteSoft #6 in HVAC Estimating Software —/10 Pricing on request ✓ 0 of 6 features Visit QuoteSoft

OneEstimate leads on 5 checks, QuoteSoft on 0, and 0 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 · 7.5/10
  • Free planonly OneEstimate
  • Most featuresOneEstimate · 4 of 6

Our editors rank OneEstimate at #5 and QuoteSoft at #6 for hvac estimating software; QuoteSoft has no rubric score yet (facts researched, not yet scored), so the checks below decide.

OneEstimate offers free plan; QuoteSoft doesn't publish it. OneEstimate offers hvac cost database; QuoteSoft doesn't publish it. OneEstimate offers labor-rate database; QuoteSoft doesn't publish it. OneEstimate offers hvac takeoff tools; QuoteSoft doesn't publish it. OneEstimate offers proposal builder; QuoteSoft doesn't publish it.

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. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature OneEstimate 7.5/10 Visit ↗ QuoteSoft —/10 Visit ↗
At a glance
Editor score 7.5 —
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 Not published Not published
Free plan ✓ (best) Not published
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 published
Labor-rate database ✓ (best) Not published
HVAC takeoff tools ✓ (best) Not published
Proposal builder ✓ (best) Not published
Job costing Not published Not published
QuickBooks sync Not published Not published
Specs
Mobile apps Not published Not published
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 7.5Free plan · paid from $19/mo
  2. QuoteSoftHVAC Estimating Software —Pricing 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

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026