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 →
Cheap Solar Panels in 2026: Best Budget Modules for Residential & Commercial Projects
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. 2026 product line update...
Cabin Electrification Buyer Guide
Cabin Electrification Buyer Guide A distributor's practical buyer guide to electrifying a cabin — inverter selection, battery brands,...
Propane + Solar Hybrid System for Off-Grid Cabin
Propane + Solar Hybrid System for Off-Grid Cabin Solar powers the electricity, propane powers the heat, water, and...
Satellite Internet + Solar Power for Rural Homes
Satellite Internet + Solar Power for Rural Homes — The Uptime Stack Starlink pulls 1.5–2.4 kWh/day. Rural utility...
Batteries & Storage
View all Batteries & Storage →
Rural Generator Sizing for Whole-Home Backup
Rural Generator Sizing for Whole-Home Backup — kW, Fuel, Transfer A distributor's guide to sizing propane and diesel...
Whole-Home Electrification Bundle: Solar + Battery + Heat Pump + EV Charger | PES Supply
Whole-Home Electrification Bundle: Solar + Battery + Heat Pump + EV Charger The 5-system bundle that turns a...
EG4 Solar Equipment Guide: 18kPV & XP Inverters, Batteries & Chargeverter Explained
EG4 solar equipment explained — 18kPV, 6000XP and 12000XP inverters, LL/LiFePower4 and PowerPro batteries, Chargeverter and GridBOSS, with...
Sol-Ark vs Sungrow 2026: Hybrid Inverter Philosophies Compared
The US-native whole-home hybrid vs the global Tier-1 giant: battery freedom, pass-through power, and which one your AHJ...
Generators
View all Generators →
Propane + Solar Hybrid System for Off-Grid Cabin
Propane + Solar Hybrid System for Off-Grid Cabin Solar powers the electricity, propane powers the heat, water, and...
Rural Generator Sizing for Whole-Home Backup
Rural Generator Sizing for Whole-Home Backup — kW, Fuel, Transfer A distributor's guide to sizing propane and diesel...
12kW vs 16kW vs 20kW vs 24kW Standby Generator: Which Size Does Your Home Actually Need?
The four most-quoted standby generator sizes — 12, 16, 20, and 24 kW — differ by about $1,000–$1,500...
Natural Gas vs Propane vs Diesel Standby Generators
After a week-long ice-storm outage, nobody cares what their generator cost. They care whether it started at 2...
Electrical & Code
View all Electrical & Code →
Whole-Home Electrification Bundle: Solar + Battery + Heat Pump + EV Charger | PES Supply
Whole-Home Electrification Bundle: Solar + Battery + Heat Pump + EV Charger The 5-system bundle that turns a...
Heat Pump Panel + Breaker Sizing Guide (NEC 2023) | PES Supply
Heat Pump Panel + Breaker Sizing Guide (NEC 2023) How to size the service panel, breaker, and conductor...
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,...
EV-Ready Wiring Guide for New Homes (2026): 40 A / 48 A Circuit Spec, Raceway, Load Management
Complete EV-ready rough-in for production builders — 240 V / 40 A and 48 A circuit specs, raceway...
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...
Commercial Heat Pump for Small Business: VRF, RTU, and Split-System Guide | PES Supply
Commercial Heat Pump for Small Business: VRF, RTU, and Split-System Guide The small-commercial HVAC upgrade playbook — sizing,...
Whole-Home Electrification Bundle: Solar + Battery + Heat Pump + EV Charger | PES Supply
Whole-Home Electrification Bundle: Solar + Battery + Heat Pump + EV Charger The 5-system bundle that turns a...
Heat Pump Panel + Breaker Sizing Guide (NEC 2023) | PES Supply
Heat Pump Panel + Breaker Sizing Guide (NEC 2023) How to size the service panel, breaker, and conductor...
Industry Desk
View all Industry Desk →
Cheap Solar Panels in 2026: Best Budget Modules for Residential & Commercial Projects
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. 2026 product line update...
IRA Tax Credit Navigation for Heat Pump Contractors | PES Supply
IRA Tax Credit Navigation for Heat Pump Contractors The 2026 contractor field manual for stacking 25C, 25D, 45L,...
Top 10 Solar Industry Trends Shaping Q3 2026
Q3 2026 finds the solar industry in one of its periodic phase transitions: module technology generations are turning...
The Latest
Cheap Solar Panels in 2026: Best Budget Modules for Residential & Commercial Projects
Updated September 2026 — refreshed against the live PES catalog; product pricing verified 2026-09-26. 2026 product line update...
Cabin Electrification Buyer Guide
Cabin Electrification Buyer Guide A distributor's practical buyer guide to electrifying a cabin — inverter selection, battery brands,...
Propane + Solar Hybrid System for Off-Grid Cabin
Propane + Solar Hybrid System for Off-Grid Cabin Solar powers the electricity, propane powers the heat, water, and...
Rural Generator Sizing for Whole-Home Backup
Rural Generator Sizing for Whole-Home Backup — kW, Fuel, Transfer A distributor's guide to sizing propane and diesel...
Satellite Internet + Solar Power for Rural Homes
Satellite Internet + Solar Power for Rural Homes — The Uptime Stack Starlink pulls 1.5–2.4 kWh/day. Rural utility...
Solar-Powered Water Pump System Bundle
Solar-Powered Water Pump System Bundle — Well Depth to Flow Rate to Storage A rural distributor's guide to...
Complete Off-Grid Solar System Design Guide
Complete Off-Grid Solar System Design Guide Load audit, PV sizing, battery bank, inverter architecture, charge control, generator backup,...
Commercial Heat Pump for Small Business: VRF, RTU, and Split-System Guide | PES Supply
Commercial Heat Pump for Small Business: VRF, RTU, and Split-System Guide The small-commercial HVAC upgrade playbook — sizing,...
Whole-Home Electrification Bundle: Solar + Battery + Heat Pump + EV Charger | PES Supply
Whole-Home Electrification Bundle: Solar + Battery + Heat Pump + EV Charger The 5-system bundle that turns a...
Heat Pump Panel + Breaker Sizing Guide (NEC 2023) | PES Supply
Heat Pump Panel + Breaker Sizing Guide (NEC 2023) How to size the service panel, breaker, and conductor...
IRA Tax Credit Navigation for Heat Pump Contractors | PES Supply
IRA Tax Credit Navigation for Heat Pump Contractors The 2026 contractor field manual for stacking 25C, 25D, 45L,...
Heat Pump Water Heater Multi-Brand Guide: Rheem, Bradford White, AO Smith, Bosch, Stiebel Eltron | PES Supply
Heat Pump Water Heater Multi-Brand Guide: Rheem, Bradford White, AO Smith, Bosch, Stiebel Eltron The plumbing-channel side of...
Bosch vs Mitsubishi Cold Climate Heat Pump Selector | PES Supply
Bosch vs Mitsubishi: Cold Climate Heat Pump Selector Guide Two very different approaches to sub-zero heating — inverter...
Carrier vs Trane vs Mitsubishi Air-Source Heat Pump Comparison (2026) | PES Supply
Carrier vs Trane vs Mitsubishi Air-Source Heat Pump Comparison (2026 Contractor Guide) Head-to-head across efficiency, cold-climate capacity, warranty,...
Multi-Brand Heat Pump Distributor Guide: Carrier, Trane, Mitsubishi, Bosch, Rheem | PES Supply
Multi-Brand Heat Pump Distributor Guide: Carrier, Trane, Mitsubishi, Bosch, Rheem How a serious HVAC + electrical distributor evaluates,...
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,...
EV-Ready Wiring Guide for New Homes (2026): 40 A / 48 A Circuit Spec, Raceway, Load Management
Complete EV-ready rough-in for production builders — 240 V / 40 A and 48 A circuit specs, raceway...
IECC 2024 Electrical Compliance for Homebuilders: R404, R408, and State Adoption Guide
Complete IECC 2024 electrical compliance workflow — R404 lighting/appliance requirements, R408 solar/EV/heat pump-ready mandates, prescriptive vs. performance path,...
Whole-Home Electrification Package for New Construction (2026): Load Calc, Equipment, BOM
Complete electrification package for production homes 1,800-3,400 sq ft — heat pump HVAC, HPWH, induction range, heat pump...
Standardized Electrical BOM for Residential Developers: 67-SKU Master List (2026)
How production builders cut electrical rough-in SKU count 58%, eliminate substitution errors, and lock in pallet-quantity pricing across...
Solar-Ready New Construction Guide (2026): Rough-In Specs, IECC R408.2, and BOM for Homebuilders
Every detail a residential production builder needs to solar-pre-wire homes at rough-in — conduit route, roof blocking, main-service...
How Much Does It Cost to Install Solar Panels in 2026? A Contractor's Pricing Guide
By Portlandia Electric Supply Editorial Team Quick Answer: 2026 Solar Installation Costs In 2026, the national average cost...
300 Watt Solar Panels in 2026: Legacy Stock Guide, Pricing & Modern Alternatives
300 Watt Solar Panels in 2026: Legacy Stock Guide, Pricing, and Modern Alternatives Everything you need to know...
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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.
