• Home
  • Free Stuff
    • Free Flat Rate Pricing Software
    • HVAC Load Calculator Free
  • About Me
  • What I Do
  • HVAC Products
  • Blog
  • Login
    • Log In
    • Register
    • My Cart
    • Lost password
  • Contact Me
$0.00
No products in the cart
Go to shop
Mr. HVACMr. HVAC
  • Home
  • Free Stuff
    • Free Flat Rate Pricing Software
    • HVAC Load Calculator Free
  • About Me
  • What I Do
  • HVAC Products
  • Blog
  • Login
    • Log In
    • Register
    • My Cart
    • Lost password
  • Contact Me
08 Jul
0

Do You Feel Like You’ve Outgrown Your Generic Software

Posted by AdminMan Software No Comments
Many contractors start out managing their business with an off-the-shelf accounting program like QuickBooks®. For small businesses, this is a [...]
Read More
07 Jul
0

An Industry Full of Amateur Business People

Posted by AdminMan Business Management 1 Comment

Our industry does not have a shortage of service technicians. Instead we have too many technicians who own businesses. Most […]

Read More
26 Mar
1

Metric Conversion Calculators

Posted by AdminMan Formulas and Conversions No Comments

Free Standard to Metric Conversion Calculators by Mr. HVAC. Length Conversion Calculator Millimeters Inches Meter Feet Yards       […]

Read More
26 Mar
1

The Four Keys To Business Success

Posted by AdminMan Business Management, Free Materials No Comments
There is a lot to running a service construction business successfully. Thousands of books have been written on the subject [...]
Read More
26 Mar
0

15 Steps To A Successful Contracting Business

Posted by AdminMan Accounting and Bookkeeping, Business Management 1 Comment
Demand accurate financial statements (balance sheet and P&L) on your desk by the fifteenth day of each month. Analyze your financial statement [...]
Read More
26 Mar
0

Conversion Factors and Formulas

Posted by AdminMan Formulas and Conversions No Comments

From To Multiply by Acres Hectares .4047 Acres Square Feet 43,560 Acres Square Miles .001562 Atmospheres Cms. Of Mercury 76 […]

Read More
26 Mar
0

Common Formulas

Posted by AdminMan Formulas and Conversions, Uncategorized No Comments
Circumference Circle: C = Πd, in which Π is 3.1416 and d the diameter.   Area Triangle: A = (ab)/2 [...]
Read More
26 Mar
0

HVAC Grammar School

Posted by AdminMan Human Resources, Sales 1 Comment
People judge us by the words we use. Fair or not, society makes snap judgments on things like intelligence, honesty, [...]
Read More
26 Mar
2

Technician’s Dictionary

Posted by AdminMan Free Materials, Human Resources 1 Comment
Technician Dictionary Accumulation Additional Agreement Air Balancing Amperes Analysis Analyze Assembly Board Breaker Capacitor Carbon Monoxide Carrier Chemical Circuit Cleaner [...]
Read More
26 Mar
1

Margin Versus Markup

Posted by AdminMan Billing & Invoicing, Business Management, Free Materials 5 Comments
Markup Versus Gross Profit Margin We're glad you took an interest in this topic on margin and markup. This topic [...]
Read More
  • 1
  • 2
  • …
  • 19
  • 20
  • 21
  • 22

Let's get in touch

Send me an email and I'll get back to you, as soon as possible.

Send Message

About Me

Some know me as Mr. HVAC. I’m an entrepreneur, business owner, public speaker, expert witness, husband, and father. I used to work in the HVAC industry and now have a passion for helping business owners in the contracting world grow their businesses. I’m the President of Aptora Corporation, which manages the growing portfolio of accounting software, field service management software, flat rate pricing software systems, and other related products and services.

About Mr. HVAC

  • James R. Leichter
  • Mr. HVAC Corporation
  • 8877 Bourgade St, Lenexa, KS 66219
  • sales@mrhvac.com
  • www.mrhvac.com

Fresh from my blog

  • Home AC Refrigerant Types, Their Future, and the Controversies Surrounding Them
  • Drop-in Replacements for R-22 and R-410A Refrigerants
  • Understanding the Essentials of Shareholder Basis for Business Owners
  • Jumpstart Your HVAC Business with ChatGPT: A Contractors Guide to Improved Efficiency

© 2025 · MrHVAC.com. All Rights Reserved.

  • Home of Mr. HVAC
  • Contact Me
  • Terms of Use
  • Privacy Policy
  • Contact Me