PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
HVAC Contractor Pallet Freight and LTL Guide: Hazmat Routing, DOT Compliance, and Landed Cost Economics
How refrigerant and HVAC parts actually move through the freight network -- and how contractors cut $1,500-4,000 per truck per year by shipping smart.
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Solar
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Batteries & Storage
View all Batteries & Storage →New batteries & storage coverage is in the works — browse all batteries & storage articles →
Generators
View all Generators →New generators coverage is in the works — browse all generators articles →
Electrical & Code
View all Electrical & Code →
Mini Split Installation Cost (2026): Equipment, Labor & Electrical Requirements
Mini split installation cost in 2026 — single-zone vs. multi-zone price ranges, what drives labor, and the electrical...
HVAC
View all HVAC →
HVAC Contractor Pallet Freight and LTL Guide: Hazmat Routing, DOT Compliance, and Landed Cost Economics
How refrigerant and HVAC parts actually move through the freight network -- and how contractors cut $1,500-4,000 per...
Commercial HVAC Refrigerant Compliance for Facility Managers: 40 CFR Part 82, Leak Repair Thresholds, and Penalty Avo...
A facility manager's operating manual for EPA Section 608 compliance -- recordkeeping, leak-repair triggers, and the audit trail...
HVAC Service Tools Brand Selector: Fieldpiece vs Testo vs Fluke Digital Manifolds, Gauges, and Leak Detectors
Which digital-manifold ecosystem earns its price, which brand your senior techs will actually use, and how to standardize...
Refrigerant Recovery Equipment Buying Guide: Bacharach vs CPS vs Fieldpiece vs Yellow Jacket vs Appion
Which recovery machine actually pays for itself, which is A2L-ready for R-454B, and how to think about recovery-machine...
Industry Desk
View all Industry Desk →New industry desk coverage is in the works — browse all industry desk articles →
The Latest
Commercial HVAC Refrigerant Compliance for Facility Managers: 40 CFR Part 82, Leak Repair Thresholds, and Penalty Avo...
A facility manager's operating manual for EPA Section 608 compliance -- recordkeeping, leak-repair triggers, and the audit trail...
HVAC Service Tools Brand Selector: Fieldpiece vs Testo vs Fluke Digital Manifolds, Gauges, and Leak Detectors
Which digital-manifold ecosystem earns its price, which brand your senior techs will actually use, and how to standardize...
Refrigerant Recovery Equipment Buying Guide: Bacharach vs CPS vs Fieldpiece vs Yellow Jacket vs Appion
Which recovery machine actually pays for itself, which is A2L-ready for R-454B, and how to think about recovery-machine...
PES Refrigerant Subscription Program: Recurring Pallet Delivery for HVAC Contractors
Quarterly pallet delivery, locked contractor pricing, priority hazmat routing, and cash-flow-friendly cylinder deposits.
EPA 608 Certification Guide: Type I, II, III, and Universal Testing Paths for HVAC Contractors
Which cert type your techs actually need, how to test, what it costs, and how to think about...
R-454B Transition Guide for HVAC Contractors: 2025 AIM Act, R-410A Phasedown, and Equipment Retrofits
The A2L refrigerant reshaping residential and light commercial HVAC -- what changes on your service truck, in your...
HVAC Contractor Refrigerant Buying Guide: R-410A, R-134a, R-22 Bulk Pricing & Hazmat Shipping
EPA 608 cert gate, DOT hazmat routing, and pallet-tier contractor pricing for the four refrigerants that actually still...
EPA Section 608 Certification: Complete Study Guide (Type I, II, III & Universal)
Free EPA 608 certification study guide. Type I, II, III, and Universal exam prep, 22 practice questions, refrigerant...
R-410A Phase-Down 2026: What HVAC Contractors Need to Know
Last updated: August 2026. This guide is for HVAC contractors, mechanical engineers, and refrigerant buyers working through the...
Mini Split Installation Cost (2026): Equipment, Labor & Electrical Requirements
Mini split installation cost in 2026 — single-zone vs. multi-zone price ranges, what drives labor, and the electrical...
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Solar Panels + EV Charging: How to Build an Energy-Efficient Home
Last Updated: August 2026 • A Practical Guide for Homeowners Combining Solar and EV Charging An electric vehicle is, from a home electrical standpoint, one of the largest single loads...
Solar Panels + EV Charging: How to Build an Energy-Efficient Home
Last Updated: August 2026 • A Practical Guide for Homeowners Combining Solar and EV Charging An electric vehicle is, from a home electrical standpoint, one of the largest single loads...
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Solar Panel Wholesale Pricing: What Installers Should Know in 2026
Last Updated: August 2026 • A Procurement Guide for Installers, EPCs, and Contractors Panel pricing is rarely the line item installers get wrong on a bid — it's usually the...
Solar Panel Wholesale Pricing: What Installers Should Know in 2026
Last Updated: August 2026 • A Procurement Guide for Installers, EPCs, and Contractors Panel pricing is rarely the line item installers get wrong on a bid — it's usually the...
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Solar Microgrids: How Communities Can Build More Resilient Energy Systems
Last Updated: August 2026 • A Practical Overview for Municipalities, Campuses, and Community Organizers A single home with solar and a battery can keep the lights on during an outage....
Solar Microgrids: How Communities Can Build More Resilient Energy Systems
Last Updated: August 2026 • A Practical Overview for Municipalities, Campuses, and Community Organizers A single home with solar and a battery can keep the lights on during an outage....
