Resources

HVAC Refrigerant Blog

Regulation, product guides, contractor operations, and the Houston refrigerant market - written by and for HVAC technicians.

Regulation

R-410A Phase-Out 2026 - Complete HVAC Contractor Guide

R-410A is being phased out under the AIM Act. What every Houston HVAC contractor needs to know about servicing, replacement refrigerants, and pricing in 2026.

Apr 17, 2026 8 min read

Featured

R-410A is the refrigerant that's been in the vast majority of American residential split systems since 2006. Under the American Innovation and Manufacturing (AIM) Act, EPA is phasing down HFCs - and R-410A (GWP 2,088) is squarely in the cro…

Read the full guide

All articles (19)

Product GuideApr 14

R-454B vs R-410A - Side-by-Side for HVAC Contractors

R-454B is replacing R-410A in new 2025+ residential systems. Here's how they compare on GWP, safety class, operating pressure, and tooling requirements.

6 minRead

Product GuideApr 11

R-32 Refrigerant Guide - Mini-Splits and Low-GWP AC in 2026

R-32 is the global standard for mini-split heat pumps and is gaining US share. Properties, applications, GWP, and how it compares to R-454B and R-410A.

5 minRead

RegulationApr 7

How to Buy Refrigerant Legally - EPA 608 & 609 Explained

Under 40 CFR §82.154, only certified technicians and resellers can buy HFC refrigerants. Here's exactly what you need and how to fill out the EPA form.

7 minRead

Product GuideApr 2

R-22 Refrigerant in 2026 - Where to Legally Buy It

R-22 production ended in 2020 but existing stock remains legal for servicing legacy systems. Here's how to source it and what to expect on pricing.

5 minRead

Product GuideMar 27

R-404A Replacement Options for Commercial Refrigeration

R-404A is being phased down globally. Compare R-448A (Solstice N40), R-449A, and R-452A for supermarket, cold storage, and transport refrigeration retrofits.

7 minRead

Product GuideMar 21

R-134A for Auto AC - Cylinder Sizes, EPA 609, and 2026 Status

R-134A remains the dominant automotive AC refrigerant in the service market. Everything you need to know about 30 lb cylinders, EPA 609, and the transition to R-1234yf.

5 minRead

ContractorMar 14

A2L Refrigerant Safety Training - What Every HVAC Tech Needs

R-454B, R-32, and other A2L refrigerants are mildly flammable. Here's what training, tooling, and safety procedures you need before handling them.

6 minRead

Product GuideMar 9

Honeywell Solstice N40 (R-448A) - Commercial Refrigeration Replacement

R-448A is the most-adopted R-404A and R-22 replacement in US commercial refrigeration. Application ranges, retrofit workflow, and real-world performance.

5 minRead

MarketMar 4

Refrigerant Price Trends 2026 - Why Prices Keep Climbing

R-410A up 40–70% from 2022. R-454B shortages. Here's what's driving 2026 refrigerant prices and what contractors can do.

5 minRead

Product GuideFeb 25

R-407C as an R-22 Retrofit - Step-by-Step Guide

R-407C is the most common R-22 retrofit refrigerant for residential and light-commercial AC systems. Here's the full retrofit workflow.

6 minRead

ContractorFeb 17

Net-30 Accounts for Houston HVAC Contractors - Cash Flow 101

How Net-30 refrigerant accounts work, credit approval, and why they improve your cash flow as a Houston service contractor.

4 minRead

LocalFeb 10

Houston HVAC Market in 2026 - Contractor's Local Landscape

Greater Houston HVAC contractors service a $4B+ regional market. Here's what's driving demand, supply, and pricing in 2026.

5 minRead

RegulationFeb 3

AIM Act Timeline 2022–2036 - What Happens When

The complete AIM Act phase-down schedule, year by year, and what each step means for refrigerant supply and pricing.

4 minRead

LocalJan 27

Same-Day Houston Refrigerant Delivery - How It Actually Works

Delta Refrigerants ships same-day across a 35-mile radius from Richmond, TX. Here's how the logistics work and which cities we cover.

3 minRead

ContractorJan 20

Summer Service Season Prep - Houston HVAC Stocking Guide

Houston summer is brutal on AC units. Here's the refrigerant stocking checklist every local HVAC contractor should hit by April 30.

4 minRead

ContractorJan 13

Hurricane Season HVAC Recovery - What Contractors Need

After a Houston-area hurricane, HVAC service calls surge. Here's the refrigerant and equipment prep that matters for the first 30 days post-storm.

4 minRead

ContractorJan 6

Refrigerant Cylinder Storage & Handling - DOT Hazmat Basics

Refrigerants are hazmat under DOT 49 CFR. How to store, label, transport, and dispose of cylinders safely and legally.

5 minRead

RegulationDec 27

EPA Form Walkthrough - Filling It Out When You Buy Refrigerant

The EPA certification form you sign at refrigerant purchase has specific fields that matter. Here's the line-by-line explanation.

4 minRead