PES Supply Newsroom
Technical guides, product reviews, code updates, and industry news for installers, EPCs, and project managers
R-410A Phase-Down: What the R-454B Switch Means for HVAC Buyers
New HVAC systems now ship with R-454B or R-32 instead of R-410A. What the AIM Act phase-down changes for buyers, service gas prices, and installs.
Read the featured article →Solar
View all Solar →New solar coverage is in the works — browse all solar articles →
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 →
Heat Pump-Ready Electrical Roughing Guide (2026): MCA / MOCP, Circuit Sizing, Rough-In Kits
Heat pump-ready rough-in for production homes — MCA / MOCP by equipment size, conductor sizing tables, disconnect selection,...
AC Condenser Electrical Requirements — 2026 Contractor Guide
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. AC Condenser Electrical Requirements...
HVAC
View all HVAC →
R-410A Phase-Down: What the R-454B Switch Means for HVAC Buyers
New HVAC systems now ship with R-454B or R-32 instead of R-410A. What the AIM Act phase-down changes...
Heat Pump-Ready Electrical Roughing Guide (2026): MCA / MOCP, Circuit Sizing, Rough-In Kits
Heat pump-ready rough-in for production homes — MCA / MOCP by equipment size, conductor sizing tables, disconnect selection,...
AC Condenser Electrical Requirements — 2026 Contractor Guide
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. AC Condenser Electrical Requirements...
Industry Desk
View all Industry Desk →New industry desk coverage is in the works — browse all industry desk articles →
The Latest
Heat Pump-Ready Electrical Roughing Guide (2026): MCA / MOCP, Circuit Sizing, Rough-In Kits
Heat pump-ready rough-in for production homes — MCA / MOCP by equipment size, conductor sizing tables, disconnect selection,...
AC Condenser Electrical Requirements — 2026 Contractor Guide
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. AC Condenser Electrical Requirements...
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Solar Panel Fire Safety: What Installers and Building Owners Should Know
Last Updated: September 2026 • A Safety Reference for Installers, Contractors, and Building Owners Solar PV systems have a strong overall safety record, and the vast majority of installations operate...
Solar Panel Fire Safety: What Installers and Building Owners Should Know
Last Updated: September 2026 • A Safety Reference for Installers, Contractors, and Building Owners Solar PV systems have a strong overall safety record, and the vast majority of installations operate...
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New on the Floor: Five Project Kits That Just Landed
Five new project kits hit the PES catalog this week — from a $591 balcony solar pack to a full Enphase storage BOM. Real specs and live prices, verified October...
New on the Floor: Five Project Kits That Just Landed
Five new project kits hit the PES catalog this week — from a $591 balcony solar pack to a full Enphase storage BOM. Real specs and live prices, verified October...
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Winter Storm Season: Portable Generator Demand Climbs — What to Stock Now
Cold-weather outages drive the year's sharpest spike in generator demand. Here's what contractors and homeowners are buying, and how to beat the rush.
Winter Storm Season: Portable Generator Demand Climbs — What to Stock Now
Cold-weather outages drive the year's sharpest spike in generator demand. Here's what contractors and homeowners are buying, and how to beat the rush.
