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HVAC calculators

Sizing, load, air flow, refrigerant and HVAC job economics.

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HVAC Job Profit

Work out what an HVAC job actually earns once labour, parts and the truck are paid for.

HVAC Labour Rate

Your billable rate has to carry three things: what the tech costs you, what the business costs to run, and the profit you want left over.

HVAC Break-Even

Before a single dollar of profit, the month has to pay for itself.

HVAC Replacement ROI

Use this on an estimate.

Maintenance Plan Profit

Maintenance plans are sold as recurring revenue, but plenty of them lose money once two visits and the admin are paid for.

HVAC BTU Calculator

Estimate the BTU capacity a room needs for cooling, adjusted for ceiling height, sun and occupancy..

AC Size Calculator

Work out the air conditioner size in tons for a home, based on area and climate zone..

Furnace Size Calculator

Estimate the furnace input capacity a home needs, allowing for efficiency losses..

HVAC Load Calculator

Estimate whole-house heating and cooling loads from area, construction and window area..

CFM Calculator

Calculate the airflow a room or system needs, by tonnage or by air changes per hour..

Duct Size Calculator

Size a duct for a given airflow and design velocity, in round and rectangular equivalents..

HVAC Energy Cost

Work out what running an air conditioner or heat pump costs per hour, month and season..

HVAC Electricity Cost

Calculate the electricity cost of any HVAC equipment from its wattage and run time..

SEER Savings Calculator

Compare the running cost of two SEER ratings and see what an efficiency upgrade saves each year..

HVAC Replacement Cost

Estimate the installed cost of replacing an HVAC system, including ductwork and extras..

Agreement Pricing

Work out what a maintenance plan costs you to deliver across a year, then price it from the margin you actually want rather than from what the company down the road charges..

Agreement Renewals

See what improving your maintenance agreement renewal rate is worth in annual recurring revenue, and what each lapsed agreement costs beyond the plan price itself..

Replacement Opportunity

Weigh a system's age, repair history, warranty position and efficiency against the cost of replacing it, so a repair-or-replace conversation starts from arithmetic rather than a feeling..

Customer Lifetime Value

Estimate what one HVAC customer is worth across the whole relationship (service, maintenance and the eventual replacement) so you know what winning and keeping one is actually worth..

HVAC Dispatch Efficiency

Work out how much of your technicians' paid day actually reaches a customer's equipment, and what the driving between stops is costing you..

Technician Utilization

Split a technician's paid week into billable, travel and administrative hours, and see the utilisation rate your labour pricing should actually be built on..

Drive Time Cost

Put a number on the driving between jobs (wages, fuel and vehicle wear) and see what a shorter average trip would be worth across the year..

HVAC Estimate Calculator

Price a whole HVAC job the way the estimate should be built: equipment, materials, burdened labour, permits and overhead, then a selling price set from the margin you actually want..

HVAC Markup vs Margin

Enter a cost and either a markup or a target margin.

HVAC Markup Calculator

Price an HVAC job with separate markups on equipment, parts and labour..

HVAC Maintenance Cost

Compare the cost of a maintenance plan against the repairs and efficiency loss of skipping it..

HVAC Invoice Calculator

Build an HVAC invoice total from labour, parts, equipment, materials and fees, with the discount applied before tax, which is where most hand-built invoices go wrong..

HVAC Job Costing

What a service call actually costs once the drive, the burdened hour and the parts are all counted, and what it earned per hour you were on site..

HVAC Accounts Receivable

What is actually outstanding, how much of it is late, and what the delay is costing, with the aging split out the way a collections list has to be worked..

HVAC Field Service Efficiency

How many hours your technicians spend on paperwork rather than on systems, and what one more job a day would be worth if some of it went away..

HVAC Callback Cost

What a repeat visit costs once the technician, the van and the lost slot are all counted, and what moving the first-time fix rate a few points is worth..

HVAC Tonnage

Convert a home's size and climate into the cooling tonnage an HVAC system needs..

HVAC Capacity

Check whether an existing HVAC system has the capacity for the space it serves, for heating and cooling..

HVAC CFM

Work out the air flow a system or a room needs, in cubic feet per minute..

HVAC Duct Size

Size a duct from the air it has to carry and the velocity you want to hold it to..

HVAC Filter Size

Check whether a filter is big enough for the air moving through it, and how often it needs changing..

Refrigerant Charge

Estimate the refrigerant a split system holds once the line set length is accounted for..

Equipment Life

Weigh a repair against a replacement using the unit's age, what the repair costs and what is left in it..

HVAC Repair Cost

Estimate an HVAC repair: diagnosis, labour and the part that failed..

HVAC Installation Cost

Estimate a full HVAC installation: equipment, labour for the crew, and the extras that come with a changeout..

HVAC Labor Cost

Work out the labour portion of an HVAC job at your charged rate..

Technician Cost

What an HVAC technician costs for a day on site, at the rate you charge for their time..

Service Call Pricing

Price an HVAC service call so the visit itself pays, whether or not the repair goes ahead..

HVAC Proposal

Build the numbers behind an HVAC proposal: equipment, labour, extras and what it totals..

HVAC Pricing

Price a hvac job from what it costs you to deliver, with overhead and your target margin both accounted for..

Parts Markup

Price HVAC parts from what they cost you, and see the margin the markup really gives..

Labor Markup

Mark up HVAC labour from the burdened cost of the hour to the rate you charge for it..

HVAC Margin

Work out the gross margin on a hvac job from the price and what it cost you to deliver..

HVAC Revenue

Project hvac revenue from job volume, average ticket and how much of it you actually collect..

Business Revenue

Project total HVAC business revenue across a year from job volume and average ticket..

HVAC Repair Revenue

What the repair side of a hvac business brings in, and what it actually earns after the cost of delivering it..

HVAC Maintenance Revenue

What the maintenance side of a hvac business brings in, and what it actually earns after the cost of delivering it..

HVAC Installation Revenue

What the installation side of a hvac business brings in, and what it actually earns after the cost of delivering it..

HVAC Replacement Revenue

What the replacement side of a hvac business brings in, and what it actually earns after the cost of delivering it..

Agreement Revenue

What a book of hvac agreements is worth, including the repair work members bring back..

Maintenance Agreement

What an HVAC maintenance agreement earns: the fee, the cost of the visits, and the repair work members bring back..

Maintenance Plan Pricing

Price an HVAC maintenance plan from what the visits cost to deliver and the margin you need on it..

Agreement ROI

Whether the cost of selling and delivering HVAC service agreements earns its money back..

HVAC Gross Profit

What is left on hvac work after the direct cost of delivering it, before overhead..

HVAC Net Profit

What a hvac business keeps after both the cost of the work and the cost of running the company..

Business Profit

What an HVAC business keeps once the cost of the work and the cost of running the company are both out..

Business Break-Even

How much hvac work you need each month before the business starts making money..

HVAC Overhead

Add up what a hvac business costs to run before a single job is done, and what that is as a share of revenue..

Overhead Rate

Your HVAC overhead as a share of revenue, which is the number that has to be built into every price..

Technician Payroll

What a hvac employee really costs once burden, overtime and unbillable hours are counted..

HVAC Overtime

What overtime costs a hvac business, and whether the job still earns anything at the higher rate..

HVAC Commission

Work out commission on hvac sales, on revenue or on gross profit, and what it leaves the business..

HVAC Productivity

How much of a paid technician day actually reaches an invoice, and what the rest is costing..

Revenue Per Tech

What each tech produces in a hvac business, and what one more would be worth..

Revenue Per Truck

What each truck produces in a hvac business, and what one more would be worth..

HVAC Average Ticket

Your average hvac invoice, and what a small lift in it is worth across a year..

HVAC Close Rate

Your hvac close rate, and what one more point of it is worth in revenue..

HVAC Conversion Rate

How many hvac enquiries turn into booked work, at each step from call to job..

HVAC Lead Value

What one hvac enquiry is worth, and therefore the most you can sensibly pay for one..

HVAC Customer Value

What a hvac customer is worth across the whole relationship, not just the first job..

HVAC Acquisition Cost

What it costs a hvac business to win one customer, and whether the first job covers it..

HVAC Cash Flow

What actually lands in the bank each month once hvac customers pay at the speed they really pay..

Cash Flow Forecast

Forecast HVAC cash into the bank once collection speed is taken into account, not just what is invoiced..

HVAC Repair Cost

Estimate what a hvac repair costs, broken into labour, parts and the call-out..

HVAC Repair Cost

Estimate what a hvac repair costs, broken into labour, parts and the call-out..

HVAC ROI

Whether a hvac investment pays for itself, and how long it takes..

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