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Missed Call Cost Calculator
Quantify the revenue HVAC, plumbing, and electrical shops lose when calls go unanswered: enter your call volume, miss rate, booking rate, and average job value with trade-specific defaults.
Free tools for contractors
Free HVAC Business Tools
Free calculators, templates, and generators built for HVAC contractors. Price jobs, download documents, and grow your shop without paying for generic software.
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Every trade gets its own calculators, templates, and generators, plus universal tools that work for any contractor.
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Featured HVAC Tools
Start with the calculators and templates contractors in your trade use most.
Calculator
Profit Margin Calculator
Calculate net profit per HVAC job after labor, parts, and overhead.
Technical
BTU Calculator
Estimate heating and cooling BTUs from room size, climate zone, insulation, ceiling height, windows, and sun exposure, with tonnage recommendations for AC and heating.
HVAC Generators
Auto-generate review links, business names, slogans, and job descriptions.
Generator
Google Review Link Generator
Create a shareable link customers can use to leave Google reviews.
Generator
Business Name Generator
Get HVAC business name ideas that sound local and trustworthy.
Generator
Slogan Generator
Generate marketing taglines for your HVAC brand and truck wraps.
Generator
Job Description Generator
Write HVAC technician and dispatcher job postings faster.
HVAC Calculators
Math-based tools for pricing, margins, overhead, and technical sizing.
Technical
BTU Calculator
Estimate heating and cooling BTUs from room size, climate zone, insulation, ceiling height, windows, and sun exposure, with tonnage recommendations for AC and heating.
Calculator
Profit Margin Calculator
Calculate net profit per HVAC job after labor, parts, and overhead.
Calculator
Labor Rate Calculator
Calculate your fully loaded billable hourly rate: base wage, payroll burden, workers’ comp, benefits, overhead recovery, and target net profit using the industry divisor method.
Calculator
Markup & Margin Calculator
Turn part and material cost into the right sell price: convert markup to margin (and back) and stop underpricing every job.
Calculator
Business Valuation Calculator
Estimate what your business could sell for using the SDE × multiple method, with value drivers, a likely price range, and a revenue cross-check.
Signature
Missed Call Cost Calculator
Quantify the revenue HVAC, plumbing, and electrical shops lose when calls go unanswered: enter your call volume, miss rate, booking rate, and average job value with trade-specific defaults.
Calculator
Job Pricing Calculator
Price HVAC, plumbing, and electrical jobs with cost-plus formulas: loaded labor, materials, overhead recovery, and target net margin using the industry divisor method.
Calculator
Bid Calculator
Build a winning bid from the ground up (materials, labor, overhead, and profit margin) so every quote covers your true cost and hits your target margin.
Calculator
Service Price Calculator
Set a flat-rate service price from your true cost (loaded labor, materials, overhead, and target margin) so every service call is priced for profit, not guesswork.
Calculator
Overhead Calculator
Break down fixed costs and allocate overhead per billable hour.
Calculator
Overhead Calculator
Break down fixed costs and allocate overhead per billable hour.
Calculator
Break-Even Calculator
Find how many jobs you need each month to cover all expenses.
Calculator
Employee Cost Calculator
True hourly and annual cost of an HVAC tech after payroll taxes, workers’ comp, benefits, and truck.
Calculator
Labor Cost Calculator
Find the total burdened labor cost for one job, loaded hourly cost (wage + burden) × hours × crew, and see labor as a percent of the job price.
Calculator
Crew & Subcontractor Cost Split Calculator
Split one job’s revenue and cost across your crew, subcontractors, and materials, and see the margin you keep on each.
Calculator
Equipment ROI Calculator
See if a new HVAC van, tool, or machine pays for itself: payback period and return on investment.
Calculator
Financing Calculator
Turn a system price into a monthly payment: show customers "$X/month" and see total interest by term.
Calculator
Marketing ROI Calculator
Measure ROI, ROAS, cost per lead, and CAC on your HVAC ad spend and lead sources.
Technical
Load Calculator
Estimate heating and cooling load for residential HVAC sizing: square footage, climate zone, insulation, internal gains, and equipment capacity in BTU/hr and tons.
Technical
HVAC Duct Size Calculator
Size round and rectangular HVAC ducts from CFM and target air velocity, with standard size recommendations, equivalent diameter, and friction loss estimates.
Sales
SEER Energy Savings Calculator
Show customers the annual energy savings and simple payback of upgrading to a higher-SEER/SEER2 AC or heat pump, from capacity, ratings, climate, and electricity rate.
Technical
HVAC Static Pressure Calculator
Diagnose total external static pressure (TESP) against the blower rating, or design duct friction rate from available static pressure and effective length: ACCA Manual D and NCI methods.
Technical
Duct Weight Calculator
Estimate the sheet-metal weight of round and rectangular duct by gauge and material: surface area, bare weight, waste allowance, and total pounds for material takeoffs and hanger sizing.
Technical
HVAC ACH Calculator (Air Changes Per Hour)
Calculate air changes per hour from measured airflow and room volume, or reverse it to get the CFM required for a target ACH: graded against recommended ranges for homes, offices, kitchens, shops, and healthcare spaces.
Technical
HVAC CFM Calculator
Calculate required airflow three ways, from tonnage at 350/400/450 CFM per ton, from the sensible heat equation and measured ΔT, or from room volume and air changes per hour.
Technical
Hydronic Flow Rate (GPM) Calculator
Calculate required hydronic loop flow from BTU/hr and design ΔT, correct the 500 constant for propylene or ethylene glycol, and check water velocity against the 2-4 ft/s closed-loop band.
Technical
HVAC Superheat & Subcooling Calculator
Turn gauge pressures and line temperatures into actual superheat and subcooling for R-410A, R-454B, R-32, R-22, and R-134a, then compare against the fixed-orifice target-superheat chart or the 8-12 °F TXV/EEV subcooling window.
Technical
Refrigeration BTU Calculator
Size walk-in cooler and freezer refrigeration equipment the way the manufacturer load forms do: transmission, air change, product pull-down, and internal load, plus safety factor and compressor run time.
Why tools?
Why HVAC contractors need the right tools
HVAC contractors juggle emergency calls, seasonal demand, flat-rate pricing, and crew scheduling, often from the cab of a service truck. Free tools help you quote faster, document consistently, and spot margin problems before they show up on your P&L.
CloseCrew built these hvac resources for shops that want to look established from day one. Run the missed call cost calculator to see what voicemail is costing you. Download templates your techs will actually use. Then let Crew handle inbound calls while you focus on the work.
Explore resources
Related resources for HVAC contractors
- Browse templates
Business Templates
Free downloadable documents for hvac contractors.
- Read guides
Contractor Blog
Guides on pricing, hiring, marketing, and operations.
- View states
HVAC Licensing
State licensing requirements, exams, and renewal rules for hvac contractors.
- Get a demo
Book a demo
See how Crew answers calls and books jobs for your team.
- Follow the work
Watch the work before you hear from us
Diagnostics, installs and the odd bad attic, from contractors who film their own jobs.
Worth asking before you book
HVAC tools FAQs
Yes. Every tool on CloseCrew is free to use. We built it for hvac contractors who need professional business resources without paying for generic software.
No account is required to run calculators or try generators. Some downloads may ask for your email so we can send you a copy, you can unsubscribe anytime.
Absolutely. Enter your own numbers, customize templates with your logo and pricing, and use the results in your daily operations.
Many contractors use CloseCrew tools alongside Crew, your AI receptionist, to stay organized while every inbound call gets answered. Tools help you quote smarter; Crew helps you capture every lead.
