Can You Still Install R-410A? The US Refrigerant Rules as They Stand Now
Can you still install R-410A? Yes, if every specified component predates 2025. Federal rules for manufacture, sale, install and service, each row sourced.
HVAC Guides
Practical hvac advice for small shop owners: pricing, invoicing, scheduling, and the operational details that hold a service business together. Written by people who run service shops, not marketers.
Should HVAC Contractors Install Customer-Supplied Equipment?
Should HVAC contractors install customer-supplied equipment? Yes, after four checks: matched system, regional SEER2, refrigerant date and brand warranty policy.
Should HVAC Contractors Charge for a Load Calculation?
Should HVAC contractors charge for a load calculation? A free Manual J is a design document the next bidder quotes against. Charge a fee, credit it on award.
How Much to Charge Per Pound of Refrigerant
How much to charge per pound of refrigerant in 2026: price from replacement cost, split out the leak search, and name the type on the invoice line.
How Long Should an HVAC Labor Warranty Be? A Contractor's Guide for 2026
How long should an HVAC labor warranty be? One year on your labor is standard, but the money is in the line between a free callback and a billable return.
How Much to Charge for an After-Hours HVAC Service Call (Start With Your Cost)
How much to charge for an after-hours HVAC service call: set the rate from your own loaded cost and the overtime you owe, not a number off a cost guide.
How to Price an HVAC Maintenance Agreement in 2026: A Pricing Guide
Build the price from a $30 tech wage to about $103 per visit, why a $159 plan loses about $47 a member, and the auto-renewal terms to put in writing.
How to Set an HVAC Service Call Fee in 2026: A Pricing Guide
How to set an HVAC service call fee in 2026: opportunity cost not gas, the credit-on-hire structure, and the after-hours bracket the labor law requires.
The Complete Guide to HVAC Invoicing for Small Shops
License number, trip charge, model and serial numbers, refrigerant by the pound: the 9 things every HVAC invoice needs, and a free invoice generator.
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